mirror of
https://github.com/extism/extism.git
synced 2026-01-11 23:08:06 -05:00
Compare commits
1 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
d704a5068e |
3
.github/workflows/kernel.yml
vendored
3
.github/workflows/kernel.yml
vendored
@@ -21,9 +21,6 @@ jobs:
|
||||
target: wasm32-unknown-unknown
|
||||
- uses: Swatinem/rust-cache@v2
|
||||
|
||||
- name: install wasm-tools
|
||||
uses: bytecodealliance/actions/wasm-tools/setup@v1
|
||||
|
||||
- name: Install deps
|
||||
run: |
|
||||
sudo apt install wabt --yes
|
||||
|
||||
4
.github/workflows/release.yml
vendored
4
.github/workflows/release.yml
vendored
@@ -61,10 +61,10 @@ jobs:
|
||||
static-pc-in: 'extism-static.pc.in'
|
||||
- os: 'ubuntu'
|
||||
target: 'x86_64-unknown-linux-musl'
|
||||
artifact: 'libextism.so'
|
||||
artifact: ''
|
||||
static-artifact: 'libextism.a'
|
||||
static-dll-artifact: ''
|
||||
pc-in: 'extism.pc.in'
|
||||
pc-in: ''
|
||||
static-pc-in: 'extism-static.pc.in'
|
||||
- os: 'windows'
|
||||
target: 'x86_64-pc-windows-gnu'
|
||||
|
||||
5
Makefile
5
Makefile
@@ -4,12 +4,10 @@ AEXT=a
|
||||
FEATURES?=default
|
||||
DEFAULT_FEATURES?=yes
|
||||
RUST_TARGET?=
|
||||
EXTRA_LIBS=
|
||||
|
||||
UNAME := $(shell uname -s)
|
||||
ifeq ($(UNAME),Darwin)
|
||||
SOEXT=dylib
|
||||
EXTRA_LIBS=-framework Security
|
||||
endif
|
||||
|
||||
ifeq ($(DEFAULT_FEATURES),no)
|
||||
@@ -31,8 +29,7 @@ endif
|
||||
build:
|
||||
cargo build --release $(FEATURE_FLAGS) --manifest-path libextism/Cargo.toml $(TARGET_FLAGS)
|
||||
sed -e "s%@CMAKE_INSTALL_PREFIX@%$(DEST)%" libextism/extism.pc.in > libextism/extism.pc
|
||||
sed -e "s%@CMAKE_INSTALL_PREFIX@%$(DEST)%" \
|
||||
-e "s%Libs: %Libs: $(EXTRA_LIBS) %" libextism/extism-static.pc.in > libextism/extism-static.pc
|
||||
sed -e "s%@CMAKE_INSTALL_PREFIX@%$(DEST)%" libextism/extism-static.pc.in > libextism/extism-static.pc
|
||||
|
||||
bench:
|
||||
@(cargo criterion $(TARGET_FLAGS) || echo 'For nicer output use cargo-criterion: `cargo install cargo-criterion` - using `cargo bench`') && cargo bench $(TARGET_FLAGS)
|
||||
|
||||
@@ -8,7 +8,7 @@
|
||||
|
||||
[](https://extism.org/discord)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -51,7 +51,6 @@ started:
|
||||
| Java SDK | <img alt="Java SDK" src="https://extism.org/img/sdk-languages/java-android.svg" width="50px"/> | https://github.com/extism/java-sdk | [Sonatype](https://central.sonatype.com/artifact/org.extism.sdk/extism) |
|
||||
| .NET SDK | <img alt=".NET SDK" src="https://extism.org/img/sdk-languages/dotnet.svg" width="50px"/> | https://github.com/extism/dotnet-sdk <br/>(supports C# & F#!) | [Nuget](https://www.nuget.org/packages/Extism.Sdk) |
|
||||
| OCaml SDK | <img alt="OCaml SDK" src="https://extism.org/img/sdk-languages/ocaml.svg" width="50px"/> | https://github.com/extism/ocaml-sdk | [opam](https://opam.ocaml.org/packages/extism/) |
|
||||
| Perl SDK | <img alt="Perl SDK" src="https://extism.org/img/sdk-languages/perl.svg" width="50px"/> | https://github.com/extism/perl-sdk | [CPAN](https://metacpan.org/pod/Extism) |
|
||||
| PHP SDK | <img alt="PHP SDK" src="https://extism.org/img/sdk-languages/php.svg" width="50px"/> | https://github.com/extism/php-sdk | [Packagist](https://packagist.org/packages/extism/extism) |
|
||||
| Python SDK | <img alt="Python SDK" src="https://extism.org/img/sdk-languages/python.svg" width="50px"/> | https://github.com/extism/python-sdk | [PyPi](https://pypi.org/project/extism/) |
|
||||
| Ruby SDK | <img alt="Ruby SDK" src="https://extism.org/img/sdk-languages/ruby.svg" width="50px"/> | https://github.com/extism/ruby-sdk | [RubyGems](https://rubygems.org/gems/extism) |
|
||||
@@ -61,7 +60,7 @@ started:
|
||||
|
||||
# Compile WebAssembly to run in Extism Hosts
|
||||
|
||||
Extism Hosts (running the SDK) must execute WebAssembly code that has a [PDK, or Plug-in Development Kit](https://extism.org/docs/concepts/pdk),
|
||||
Extism Hosts (running the SDK) must execute WebAssembly code that has a PDK
|
||||
library compiled in to the `.wasm` binary. PDKs make it easy for plug-in /
|
||||
extension code authors to read input from the host and return data back, read
|
||||
provided configuration, set/get variables, make outbound HTTP calls if allowed,
|
||||
|
||||
@@ -13,7 +13,7 @@ description = "Traits to make Rust types usable with Extism"
|
||||
anyhow = "1.0.75"
|
||||
base64 = "~0.22"
|
||||
bytemuck = {version = "1.14.0", optional = true }
|
||||
prost = { version = "0.13.1", optional = true }
|
||||
prost = { version = "0.12.0", optional = true }
|
||||
protobuf = { version = "3.2.0", optional = true }
|
||||
rmp-serde = { version = "1.1.2", optional = true }
|
||||
serde = "1.0.186"
|
||||
|
||||
@@ -81,10 +81,10 @@ mod tests {
|
||||
c: true,
|
||||
};
|
||||
let raw = Raw(&x).to_bytes().unwrap();
|
||||
let y = Raw::from_bytes(raw).unwrap();
|
||||
let y = Raw::from_bytes(&raw).unwrap();
|
||||
assert_eq!(&x, y.0);
|
||||
|
||||
let y: Result<Raw<[u8; std::mem::size_of::<TestRaw>()]>, Error> = Raw::from_bytes(raw);
|
||||
let y: Result<Raw<[u8; std::mem::size_of::<TestRaw>()]>, Error> = Raw::from_bytes(&raw);
|
||||
assert!(y.is_ok());
|
||||
}
|
||||
}
|
||||
|
||||
@@ -17,9 +17,6 @@ done
|
||||
|
||||
cargo build --package extism-runtime-kernel --bin extism-runtime --release --target wasm32-unknown-unknown $CARGO_FLAGS
|
||||
cp target/wasm32-unknown-unknown/release/extism-runtime.wasm .
|
||||
wasm-strip extism-runtime.wasm
|
||||
mv extism-runtime.wasm ../runtime/src/extism-runtime.wasm
|
||||
|
||||
wasm-tools parse extism-context.wat -o extism-context.wasm
|
||||
wasm-merge --enable-reference-types ./extism-runtime.wasm runtime extism-context.wasm context -o ../runtime/src/extism-runtime.wasm
|
||||
rm extism-context.wasm
|
||||
rm extism-runtime.wasm
|
||||
wasm-strip ../runtime/src/extism-runtime.wasm
|
||||
|
||||
@@ -1,3 +0,0 @@
|
||||
(module
|
||||
(global (export "extism_context") (mut externref) (ref.null extern))
|
||||
)
|
||||
@@ -255,6 +255,15 @@ impl MemoryRoot {
|
||||
pub unsafe fn alloc(&mut self, length: u64) -> Option<&'static mut MemoryBlock> {
|
||||
let self_position = self.position.load(Ordering::Acquire);
|
||||
let self_length = self.length.load(Ordering::Acquire);
|
||||
let b = self.find_free_block(length, self_position);
|
||||
|
||||
// If there's a free block then re-use it
|
||||
if let Some(b) = b {
|
||||
b.used = length as usize;
|
||||
b.status
|
||||
.store(MemoryStatus::Active as u8, Ordering::Release);
|
||||
return Some(b);
|
||||
}
|
||||
|
||||
// Get the current index for a new block
|
||||
let curr = self.blocks.as_ptr() as u64 + self_position;
|
||||
@@ -266,21 +275,6 @@ impl MemoryRoot {
|
||||
// When the allocation is larger than the number of bytes available
|
||||
// we will need to try to grow the memory
|
||||
if length_with_block >= mem_left {
|
||||
// If the current position is large enough to hold the length of the block being
|
||||
// allocated then check for existing free blocks that can be re-used before
|
||||
// growing memory
|
||||
if length_with_block <= self_position {
|
||||
let b = self.find_free_block(length, self_position);
|
||||
|
||||
// If there's a free block then re-use it
|
||||
if let Some(b) = b {
|
||||
b.used = length as usize;
|
||||
b.status
|
||||
.store(MemoryStatus::Active as u8, Ordering::Release);
|
||||
return Some(b);
|
||||
}
|
||||
}
|
||||
|
||||
// Calculate the number of pages needed to cover the remaining bytes
|
||||
let npages = num_pages(length_with_block - mem_left);
|
||||
let x = core::arch::wasm32::memory_grow(0, npages);
|
||||
@@ -495,8 +489,6 @@ pub unsafe fn store_u64(p: Pointer, x: u64) {
|
||||
/// Set the range of the input data in memory
|
||||
/// h must always be a handle so that length works on it
|
||||
/// len must match length(handle)
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
#[no_mangle]
|
||||
pub unsafe fn input_set(h: Handle, len: u64) {
|
||||
let root = MemoryRoot::new();
|
||||
@@ -511,8 +503,6 @@ pub unsafe fn input_set(h: Handle, len: u64) {
|
||||
}
|
||||
|
||||
/// Set the range of the output data in memory
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
#[no_mangle]
|
||||
pub unsafe fn output_set(p: Pointer, len: u64) {
|
||||
let root = MemoryRoot::new();
|
||||
@@ -556,10 +546,7 @@ pub unsafe fn reset() {
|
||||
MemoryRoot::new().reset()
|
||||
}
|
||||
|
||||
/// Set the error message offset, the handle passed to this
|
||||
/// function should not be freed after this call
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
/// Set the error message offset
|
||||
#[no_mangle]
|
||||
pub unsafe fn error_set(h: Handle) {
|
||||
let root = MemoryRoot::new();
|
||||
@@ -594,6 +581,45 @@ mod test {
|
||||
use crate::*;
|
||||
use wasm_bindgen_test::*;
|
||||
|
||||
// See https://github.com/extism/extism/pull/659
|
||||
#[wasm_bindgen_test]
|
||||
fn test_659() {
|
||||
unsafe {
|
||||
// Warning: These offsets will need to change if we adjust the kernel memory layout at all
|
||||
reset();
|
||||
assert_eq!(alloc(1065), 77);
|
||||
assert_eq!(alloc(288), 1154);
|
||||
assert_eq!(alloc(128), 1454);
|
||||
assert_eq!(length(1154), 288);
|
||||
assert_eq!(length(1454), 128);
|
||||
free(1454);
|
||||
assert_eq!(alloc(213), 1594);
|
||||
length_unsafe(1594);
|
||||
assert_eq!(alloc(511), 1819);
|
||||
assert_eq!(alloc(4), 1454);
|
||||
assert_eq!(length(1454), 4);
|
||||
assert_eq!(length(1819), 511);
|
||||
assert_eq!(alloc(13), 2342);
|
||||
assert_eq!(length(2342), 13);
|
||||
assert_eq!(alloc(336), 2367);
|
||||
assert_eq!(alloc(1077), 2715);
|
||||
assert_eq!(length(2367), 336);
|
||||
assert_eq!(length(2715), 1077);
|
||||
free(2715);
|
||||
assert_eq!(alloc(1094), 3804);
|
||||
length_unsafe(3804);
|
||||
|
||||
// Allocate 4 bytes, expect to receive address 3788
|
||||
assert_eq!(alloc(4), 3788);
|
||||
|
||||
assert_eq!(alloc(4), 3772);
|
||||
assert_eq!(length(3772), 4);
|
||||
|
||||
// Address 3788 has not been freed yet, so expect it to have 4 bytes allocated
|
||||
assert_eq!(length(3788), 4);
|
||||
}
|
||||
}
|
||||
|
||||
#[wasm_bindgen_test]
|
||||
fn test_oom() {
|
||||
let size = 1024 * 1024 * 5;
|
||||
|
||||
@@ -1,2 +0,0 @@
|
||||
BasedOnStyle: LLVM
|
||||
IndentWidth: 2
|
||||
@@ -14,9 +14,7 @@ Create a new plugin.
|
||||
- `functions`: is an array of `ExtismFunction*`
|
||||
- `n_functions`: is the number of functions
|
||||
- `with_wasi`: enables/disables WASI
|
||||
- `errmsg`: error message during plugin creation, this should be freed with
|
||||
`extism_plugin_new_error_free`
|
||||
|
||||
- `errmsg`: error message during plugin creation
|
||||
|
||||
```c
|
||||
ExtismPlugin extism_plugin_new(const uint8_t *wasm,
|
||||
@@ -26,17 +24,6 @@ ExtismPlugin extism_plugin_new(const uint8_t *wasm,
|
||||
bool with_wasi,
|
||||
char **errmsg);
|
||||
```
|
||||
---
|
||||
|
||||
### `extism_plugin_new_error_free`
|
||||
|
||||
Frees the error message returned when creating a plugin
|
||||
|
||||
```c
|
||||
void extism_plugin_new_error_free(char *err);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_free`
|
||||
|
||||
@@ -46,8 +33,6 @@ Remove a plugin from the registry and free associated memory.
|
||||
void extism_plugin_free(ExtismPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_config`
|
||||
|
||||
Update plugin config values, this will merge with the existing values.
|
||||
@@ -58,8 +43,6 @@ bool extism_plugin_config(ExtismPlugin *plugin,
|
||||
ExtismSize json_size);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_function_exists`
|
||||
|
||||
Returns true if `func_name` exists.
|
||||
@@ -69,8 +52,6 @@ bool extism_plugin_function_exists(ExtismPlugin *plugin,
|
||||
const char *func_name);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_call`
|
||||
|
||||
Call a function.
|
||||
@@ -78,8 +59,6 @@ Call a function.
|
||||
- `data`: is the input data
|
||||
- `data_len`: is the length of `data`
|
||||
|
||||
Returns `0` when the call is successful.
|
||||
|
||||
```c
|
||||
int32_t extism_plugin_call(ExtismPlugin *plugin,
|
||||
const char *func_name,
|
||||
@@ -87,28 +66,6 @@ int32_t extism_plugin_call(ExtismPlugin *plugin,
|
||||
ExtismSize data_len);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_call_with_host_context`
|
||||
|
||||
Call a function with additional host context that can be accessed from inside host functions.
|
||||
- `func_name`: is the function to call
|
||||
- `data`: is the input data
|
||||
- `data_len`: is the length of `data`
|
||||
- `host_ctx`: an opaque pointer that can be accessed in host functions
|
||||
|
||||
Returns `0` when the call is successful.
|
||||
|
||||
```c
|
||||
int32_t extism_plugin_call_with_host_context(ExtismPlugin *plugin,
|
||||
const char *func_name,
|
||||
const uint8_t *data,
|
||||
ExtismSize data_len,
|
||||
void *host_ctx);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_error`
|
||||
|
||||
Get the error associated with a `Plugin`
|
||||
@@ -117,8 +74,6 @@ Get the error associated with a `Plugin`
|
||||
const char *extism_plugin_error(ExtismPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_output_length`
|
||||
|
||||
Get the length of a plugin's output data.
|
||||
@@ -127,8 +82,6 @@ Get the length of a plugin's output data.
|
||||
ExtismSize extism_plugin_output_length(ExtismPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_output_data`
|
||||
|
||||
Get the plugin's output data.
|
||||
@@ -137,8 +90,6 @@ Get the plugin's output data.
|
||||
const uint8_t *extism_plugin_output_data(ExtismPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_reset`
|
||||
|
||||
Reset the Extism runtime, this will invalidate all allocated memory.
|
||||
@@ -147,8 +98,6 @@ Reset the Extism runtime, this will invalidate all allocated memory.
|
||||
bool extism_plugin_reset(ExtismPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_log_file`
|
||||
|
||||
Set log file and level.
|
||||
@@ -157,8 +106,6 @@ Set log file and level.
|
||||
bool extism_log_file(const char *filename, const char *log_level);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_log_custom`
|
||||
|
||||
Enable a custom log handler, this will buffer logs until `extism_log_drain`
|
||||
@@ -168,8 +115,6 @@ is called Log level should be one of: info, error, trace, debug, warn
|
||||
bool extism_log_custom(const char *log_level);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_log_drain`
|
||||
|
||||
Calls the provided callback function for each buffered log line.
|
||||
@@ -179,8 +124,6 @@ This is only needed when `extism_log_custom` is used.
|
||||
void extism_log_drain(void (*handler)(const char *, uintptr_t));
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_version`
|
||||
|
||||
Get the Extism version string.
|
||||
@@ -189,8 +132,6 @@ Get the Extism version string.
|
||||
const char *extism_version(void);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_current_plugin_memory`
|
||||
|
||||
Returns a pointer to the memory of the currently running plugin
|
||||
@@ -199,19 +140,6 @@ Returns a pointer to the memory of the currently running plugin
|
||||
uint8_t *extism_current_plugin_memory(ExtismCurrentPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_current_plugin_host_context`
|
||||
|
||||
Get access to the host context, passed in using `extism_plugin_call_with_host_context`
|
||||
|
||||
```c
|
||||
void *extism_current_plugin_host_context(ExtismCurrentPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
|
||||
### `extism_current_plugin_memory_alloc`
|
||||
|
||||
Allocate a memory block in the currently running plugin
|
||||
@@ -220,8 +148,6 @@ Allocate a memory block in the currently running plugin
|
||||
uint64_t extism_current_plugin_memory_alloc(ExtismCurrentPlugin *plugin, ExtismSize n);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_current_plugin_memory_length`
|
||||
|
||||
Get the length of an allocated block
|
||||
@@ -230,8 +156,6 @@ Get the length of an allocated block
|
||||
ExtismSize extism_current_plugin_memory_length(ExtismCurrentPlugin *plugin, ExtismSize n);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_current_plugin_memory_free`
|
||||
|
||||
Free an allocated memory block
|
||||
@@ -240,8 +164,6 @@ Free an allocated memory block
|
||||
void extism_current_plugin_memory_free(ExtismCurrentPlugin *plugin, uint64_t ptr);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_function_new`
|
||||
Create a new host function
|
||||
- `name`: function name, this should be valid UTF-8
|
||||
@@ -268,8 +190,6 @@ ExtismFunction *extism_function_new(const char *name,
|
||||
void (*free_user_data)(void *_));
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_function_set_namespace`
|
||||
|
||||
Set the namespace of an `ExtismFunction`
|
||||
@@ -278,8 +198,6 @@ Set the namespace of an `ExtismFunction`
|
||||
void extism_function_set_namespace(ExtismFunction *ptr, const char *namespace_);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_function_free`
|
||||
|
||||
Free an `ExtismFunction`
|
||||
@@ -288,8 +206,6 @@ Free an `ExtismFunction`
|
||||
void extism_function_free(ExtismFunction *ptr);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_cancel_handle`
|
||||
|
||||
Get handle for plugin cancellation
|
||||
@@ -298,8 +214,6 @@ Get handle for plugin cancellation
|
||||
const ExtismCancelHandle *extism_plugin_cancel_handle(const ExtismPlugin *plugin);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### `extism_plugin_cancel`
|
||||
|
||||
Cancel a running plugin from another thread
|
||||
@@ -308,14 +222,12 @@ Cancel a running plugin from another thread
|
||||
bool extism_plugin_cancel(const ExtismCancelHandle *handle);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Type definitions:
|
||||
|
||||
### `ExtismPlugin`
|
||||
|
||||
```c
|
||||
typedef struct ExtismPlugin ExtismPlugin;
|
||||
typedef int32_t ExtismPlugin;
|
||||
```
|
||||
|
||||
### `ExtismSize`
|
||||
@@ -347,5 +259,3 @@ typedef struct ExtismCurrentPlugin ExtismCurrentPlugin;
|
||||
```c
|
||||
typedef struct ExtismCancelHandle ExtismCancelHandle;
|
||||
```
|
||||
|
||||
|
||||
|
||||
@@ -4,7 +4,7 @@ build:
|
||||
|
||||
.PHONY: static
|
||||
static:
|
||||
$(CC) -g -o example example.c -l:libextism.a -lm -lpthread
|
||||
$(CC) -g -o example example.c -l:libextism.a -lm
|
||||
|
||||
# if needed, set PKG_CONFIG_PATH= to the directory with extism*.pc installed
|
||||
LDFLAGS=`pkg-config --libs extism`
|
||||
|
||||
@@ -56,6 +56,7 @@ Since you may not have an Extism plug-in on hand to test, let's load a demo plug
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
void print_plugin_output(ExtismPlugin *plugin, int32_t rc){
|
||||
if (rc != EXTISM_SUCCESS) {
|
||||
@@ -63,9 +64,9 @@ void print_plugin_output(ExtismPlugin *plugin, int32_t rc){
|
||||
return;
|
||||
}
|
||||
|
||||
ExtismSize outlen = extism_plugin_output_length(plugin);
|
||||
size_t outlen = extism_plugin_output_length(plugin);
|
||||
const uint8_t *out = extism_plugin_output_data(plugin);
|
||||
fwrite(out, 1, outlen, stdout);
|
||||
write(STDOUT_FILENO, out, outlen);
|
||||
}
|
||||
|
||||
int main(void) {
|
||||
@@ -105,9 +106,9 @@ if (rc != EXTISM_SUCCESS) {
|
||||
exit(2);
|
||||
}
|
||||
|
||||
ExtismSize outlen = extism_plugin_output_length(plugin);
|
||||
size_t outlen = extism_plugin_output_length(plugin);
|
||||
const uint8_t *out = extism_plugin_output_data(plugin);
|
||||
fwrite(out, 1, outlen, stdout);
|
||||
write(STDOUT_FILENO, out, outlen);
|
||||
```
|
||||
|
||||
Will print
|
||||
@@ -170,6 +171,7 @@ We want to expose two functions to our plugin, `kv_write(key: String, value: Byt
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
// A stubbed out KV store
|
||||
typedef struct KVStore KVStore;
|
||||
@@ -182,14 +184,14 @@ extern const uint32_t fake_kv_store_get(KVStore *kv, const char *key,
|
||||
|
||||
// Our host functions to access the fake KV store
|
||||
void kv_get(ExtismCurrentPlugin *plugin, const ExtismVal *inputs,
|
||||
ExtismSize ninputs, ExtismVal *outputs, ExtismSize noutputs,
|
||||
size_t ninputs, ExtismVal *outputs, size_t noutputs,
|
||||
void *userdata) {
|
||||
// Cast the userdata pointer
|
||||
KVStore *kv = (KVStore *)userdata;
|
||||
|
||||
// Get the offset to the key in the plugin memory
|
||||
uint64_t offs = inputs[0].v.i64;
|
||||
ExtismSize keylen = extism_current_plugin_memory_length(plugin, offs);
|
||||
size_t keylen = extism_current_plugin_memory_length(plugin, offs);
|
||||
|
||||
// Allocate a new block to return
|
||||
uint64_t outoffs =
|
||||
@@ -203,23 +205,23 @@ void kv_get(ExtismCurrentPlugin *plugin, const ExtismVal *inputs,
|
||||
*(uint64_t *)(extism_current_plugin_memory(plugin) + outoffs) = value;
|
||||
|
||||
// Return the offset to our allocated block
|
||||
outputs[0].t = EXTISM_PTR;
|
||||
outputs[0].t = PTR;
|
||||
outputs[0].v.i64 = outoffs;
|
||||
}
|
||||
|
||||
void kv_set(ExtismCurrentPlugin *plugin, const ExtismVal *inputs,
|
||||
ExtismSize ninputs, ExtismVal *outputs, ExtismSize noutputs,
|
||||
size_t ninputs, ExtismVal *outputs, size_t noutputs,
|
||||
void *userdata) {
|
||||
// Cast the userdata pointer
|
||||
KVStore *kv = (KVStore *)userdata;
|
||||
|
||||
// Get the offset to the key in the plugin memory
|
||||
uint64_t keyoffs = inputs[0].v.i64;
|
||||
ExtismSize keylen = extism_current_plugin_memory_length(plugin, keyoffs);
|
||||
size_t keylen = extism_current_plugin_memory_length(plugin, keyoffs);
|
||||
|
||||
// Get the offset to the value in the plugin memory
|
||||
uint64_t valueoffs = inputs[1].v.i64;
|
||||
ExtismSize valuelen = extism_current_plugin_memory_length(plugin, valueoffs);
|
||||
size_t valuelen = extism_current_plugin_memory_length(plugin, valueoffs);
|
||||
|
||||
// Set key => value
|
||||
fake_kv_store_set(
|
||||
@@ -232,13 +234,13 @@ int main(void) {
|
||||
const char *manifest = "{\"wasm\": [{\"url\": "
|
||||
"\"https://github.com/extism/plugins/releases/latest/"
|
||||
"download/count_vowels_kvstore.wasm\"}]}";
|
||||
const ExtismValType kv_get_inputs[] = {EXTISM_PTR};
|
||||
const ExtismValType kv_get_outputs[] = {EXTISM_PTR};
|
||||
const ExtismValType kv_get_inputs[] = {PTR};
|
||||
const ExtismValType kv_get_outputs[] = {PTR};
|
||||
ExtismFunction *kv_get_fn = extism_function_new(
|
||||
"kv_get", kv_get_inputs, 1, kv_get_outputs, 1, kv_get, kv, NULL);
|
||||
|
||||
const ExtismValType kv_set_inputs[] = {EXTISM_PTR};
|
||||
const ExtismValType kv_set_outputs[] = {EXTISM_PTR};
|
||||
const ExtismValType kv_set_inputs[] = {PTR};
|
||||
const ExtismValType kv_set_outputs[] = {PTR};
|
||||
ExtismFunction *kv_set_fn = extism_function_new(
|
||||
"kv_set", kv_set_inputs, 1, kv_set_outputs, 1, kv_set, kv, NULL);
|
||||
const ExtismFunction *functions[] = {kv_get_fn};
|
||||
@@ -286,3 +288,5 @@ print_plugin_output(plugin, extism_plugin_call(plugin, "count_vowels",
|
||||
# => Writing value=6 from key=count-vowels"
|
||||
# => {"count": 3, "total": 6, "vowels": "aeiouAEIOU"}
|
||||
```
|
||||
|
||||
|
||||
|
||||
@@ -9,7 +9,7 @@
|
||||
#include <sys/stat.h>
|
||||
#include <unistd.h>
|
||||
|
||||
void log_handler(const char *line, ExtismSize length) {
|
||||
void log_handler(const char *line, uintptr_t length) {
|
||||
fwrite(line, length, 1, stderr);
|
||||
}
|
||||
|
||||
@@ -63,8 +63,8 @@ int main(int argc, char *argv[]) {
|
||||
|
||||
size_t len = 0;
|
||||
uint8_t *data = read_file("../wasm/code-functions.wasm", &len);
|
||||
ExtismValType inputs[] = {EXTISM_PTR};
|
||||
ExtismValType outputs[] = {EXTISM_PTR};
|
||||
ExtismValType inputs[] = {PTR};
|
||||
ExtismValType outputs[] = {PTR};
|
||||
ExtismFunction *f =
|
||||
extism_function_new("hello_world", inputs, 1, outputs, 1, hello_world,
|
||||
"Hello, again!", free_data);
|
||||
|
||||
@@ -5,6 +5,6 @@ includedir=${prefix}/include
|
||||
Version: 1.0.0
|
||||
Name: Extism
|
||||
Description: The framework for building with WebAssembly (wasm).
|
||||
Libs: ${libdir}/libextism.a
|
||||
Libs.private: -lm -lpthread
|
||||
Libs: -L${libdir} -l:libextism.a
|
||||
Libs.private: -lm
|
||||
Cflags: -I${includedir}
|
||||
|
||||
@@ -6,5 +6,5 @@ Version: 1.0.0
|
||||
Name: Extism
|
||||
Description: The framework for building with WebAssembly (wasm).
|
||||
Libs: -L${libdir} -lextism
|
||||
Libs.private: -lm -lpthread
|
||||
Libs.private: -lm
|
||||
Cflags: -I${includedir}
|
||||
|
||||
@@ -10,6 +10,7 @@ pub type ManifestMemory = MemoryOptions;
|
||||
#[serde(deny_unknown_fields)]
|
||||
pub struct MemoryOptions {
|
||||
/// The max number of WebAssembly pages that should be allocated
|
||||
#[serde(alias = "max")]
|
||||
pub max_pages: Option<u32>,
|
||||
|
||||
/// The maximum number of bytes allowed in an HTTP response
|
||||
@@ -61,6 +62,7 @@ pub struct HttpRequest {
|
||||
|
||||
/// Request headers
|
||||
#[serde(default)]
|
||||
#[serde(alias = "header")]
|
||||
pub headers: std::collections::BTreeMap<String, String>,
|
||||
|
||||
/// Request method
|
||||
@@ -279,7 +281,7 @@ pub struct Manifest {
|
||||
/// the path on disk to the path it should be available inside the plugin.
|
||||
/// For example, `".": "/tmp"` would mount the current directory as `/tmp` inside the module
|
||||
#[serde(default)]
|
||||
pub allowed_paths: Option<BTreeMap<String, PathBuf>>,
|
||||
pub allowed_paths: Option<BTreeMap<PathBuf, PathBuf>>,
|
||||
|
||||
/// The plugin timeout in milliseconds
|
||||
#[serde(default)]
|
||||
@@ -337,7 +339,8 @@ impl Manifest {
|
||||
}
|
||||
|
||||
/// Add a path to `allowed_paths`
|
||||
pub fn with_allowed_path(mut self, src: String, dest: impl AsRef<Path>) -> Self {
|
||||
pub fn with_allowed_path(mut self, src: impl AsRef<Path>, dest: impl AsRef<Path>) -> Self {
|
||||
let src = src.as_ref().to_path_buf();
|
||||
let dest = dest.as_ref().to_path_buf();
|
||||
match &mut self.allowed_paths {
|
||||
Some(p) => {
|
||||
@@ -354,7 +357,7 @@ impl Manifest {
|
||||
}
|
||||
|
||||
/// Set `allowed_paths`
|
||||
pub fn with_allowed_paths(mut self, paths: impl Iterator<Item = (String, PathBuf)>) -> Self {
|
||||
pub fn with_allowed_paths(mut self, paths: impl Iterator<Item = (PathBuf, PathBuf)>) -> Self {
|
||||
self.allowed_paths = Some(paths.collect());
|
||||
self
|
||||
}
|
||||
|
||||
@@ -9,16 +9,15 @@ repository.workspace = true
|
||||
version.workspace = true
|
||||
|
||||
[dependencies]
|
||||
wasmtime = ">= 20.0.0, < 24.0.0"
|
||||
wasi-common = ">= 20.0.0, < 24.0.0"
|
||||
wiggle = ">= 20.0.0, < 24.0.0"
|
||||
wasmtime = ">= 14.0.0, < 18.0.0"
|
||||
wasmtime-wasi = ">= 14.0.0, < 18.0.0"
|
||||
anyhow = "1"
|
||||
serde = {version = "1", features = ["derive"]}
|
||||
serde_json = "1"
|
||||
toml = "0.8"
|
||||
sha2 = "0.10"
|
||||
tracing = "0.1"
|
||||
tracing-subscriber = {version = "0.3.18", features = ["std", "env-filter", "fmt"]}
|
||||
tracing-subscriber = {version = "0.3", features = ["std", "env-filter", "fmt"]}
|
||||
url = "2"
|
||||
glob = "0.3"
|
||||
ureq = {version = "2.5", optional=true}
|
||||
@@ -34,7 +33,7 @@ register-filesystem = [] # enables wasm to be loaded from disk
|
||||
http = ["ureq"] # enables extism_http_request
|
||||
|
||||
[build-dependencies]
|
||||
cbindgen = { version = "0.27", default-features = false }
|
||||
cbindgen = { version = "0.26", default-features = false }
|
||||
|
||||
[dev-dependencies]
|
||||
criterion = "0.5.1"
|
||||
|
||||
@@ -12,7 +12,7 @@ To use the `extism` crate, you can add it to your Cargo file:
|
||||
|
||||
```toml
|
||||
[dependencies]
|
||||
extism = "1.4.1"
|
||||
extism = "1.0.0"
|
||||
```
|
||||
|
||||
## Environment variables
|
||||
@@ -201,7 +201,7 @@ fn main() {
|
||||
}
|
||||
```
|
||||
|
||||
> *Note*: In order to write host functions you should get familiar with the methods on the [CurrentPlugin](https://docs.rs/extism/latest/extism/struct.CurrentPlugin.html) and [UserData](https://docs.rs/extism/latest/extism/enum.UserData.html) types.
|
||||
> *Note*: In order to write host functions you should get familiar with the methods on the [Extism::CurrentPlugin](https://docs.rs/extism/latest/extism/struct.CurrentPlugin.html) and [Extism::CurrentPlugin](https://docs.rs/extism/latest/extism/struct.UserData.html) types.
|
||||
|
||||
Now we can invoke the event:
|
||||
|
||||
|
||||
@@ -6,7 +6,6 @@ const COUNT_VOWELS: &[u8] = include_bytes!("../../wasm/code.wasm");
|
||||
const REFLECT: &[u8] = include_bytes!("../../wasm/reflect.wasm");
|
||||
const ECHO: &[u8] = include_bytes!("../../wasm/echo.wasm");
|
||||
const CONSUME: &[u8] = include_bytes!("../../wasm/consume.wasm");
|
||||
const ALLOCATIONS: &[u8] = include_bytes!("../../wasm/allocations.wasm");
|
||||
|
||||
host_fn!(hello_world (a: String) -> String { Ok(a) });
|
||||
|
||||
@@ -36,21 +35,6 @@ pub fn create_plugin(c: &mut Criterion) {
|
||||
});
|
||||
}
|
||||
|
||||
pub fn create_plugin_no_cache(c: &mut Criterion) {
|
||||
let mut g = c.benchmark_group("create");
|
||||
g.noise_threshold(1.0);
|
||||
g.significance_level(0.2);
|
||||
g.bench_function("create_plugin_no_cache", |b| {
|
||||
b.iter(|| {
|
||||
let _plugin = PluginBuilder::new(COUNT_VOWELS)
|
||||
.with_cache_disabled()
|
||||
.with_wasi(true)
|
||||
.build()
|
||||
.unwrap();
|
||||
})
|
||||
});
|
||||
}
|
||||
|
||||
#[derive(Debug, serde::Deserialize, PartialEq)]
|
||||
struct Count {
|
||||
count: u32,
|
||||
@@ -169,17 +153,6 @@ pub fn reflect(c: &mut Criterion) {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn allocations(c: &mut Criterion) {
|
||||
let mut g = c.benchmark_group("allocations");
|
||||
|
||||
let mut plugin = PluginBuilder::new(ALLOCATIONS).build().unwrap();
|
||||
g.bench_function("allocations", |b| {
|
||||
b.iter(|| {
|
||||
plugin.call::<_, ()>("allocations", "").unwrap();
|
||||
})
|
||||
});
|
||||
}
|
||||
|
||||
// This is an apples-to-apples comparison of a linked wasm "reflect" function to our host "reflect"
|
||||
// function.
|
||||
pub fn reflect_linked(c: &mut Criterion) {
|
||||
@@ -272,14 +245,12 @@ pub fn reflect_linked(c: &mut Criterion) {
|
||||
|
||||
criterion_group!(
|
||||
benches,
|
||||
allocations,
|
||||
consume,
|
||||
echo,
|
||||
reflect,
|
||||
reflect_linked,
|
||||
basic,
|
||||
create_plugin,
|
||||
create_plugin_no_cache,
|
||||
count_vowels
|
||||
);
|
||||
criterion_main!(benches);
|
||||
|
||||
@@ -7,7 +7,7 @@ fn main() {
|
||||
#define EXTISM_SUCCESS 0
|
||||
|
||||
/** An alias for I64 to signify an Extism pointer */
|
||||
#define EXTISM_PTR ExtismValType_I64
|
||||
#define PTR I64
|
||||
";
|
||||
if let Ok(x) = cbindgen::Builder::new()
|
||||
.with_crate(".")
|
||||
|
||||
@@ -1,33 +0,0 @@
|
||||
use extism::*;
|
||||
fn main() {
|
||||
let url = Wasm::file("../wasm/read_write.wasm");
|
||||
let manifest = Manifest::new([url])
|
||||
.with_allowed_path("ro:src/tests/data".to_string(), "/data")
|
||||
.with_config_key("path", "/data/data.txt");
|
||||
|
||||
let mut plugin = PluginBuilder::new(manifest)
|
||||
.with_wasi(true)
|
||||
.build()
|
||||
.unwrap();
|
||||
|
||||
println!("trying to read file: ");
|
||||
|
||||
let res = plugin.call::<&str, &str>("try_read", "").unwrap();
|
||||
|
||||
println!("{:?}", res);
|
||||
|
||||
println!("-----------------------------------------------------");
|
||||
|
||||
println!("trying to write file: ");
|
||||
let line = format!(
|
||||
"Hello World at {:?}\n",
|
||||
std::time::SystemTime::now()
|
||||
.duration_since(std::time::SystemTime::UNIX_EPOCH)
|
||||
.unwrap()
|
||||
);
|
||||
let res2 = plugin.call::<&str, &str>("try_write", &line).unwrap();
|
||||
|
||||
println!("{:?}", res2);
|
||||
|
||||
println!("done!");
|
||||
}
|
||||
@@ -2,8 +2,6 @@ use extism::*;
|
||||
|
||||
fn main() {
|
||||
let manifest = Manifest::new([
|
||||
// upper.wat provides an export called `host_reflect` that takes a string
|
||||
// and returns the same string uppercased
|
||||
Wasm::File {
|
||||
// See https://github.com/extism/plugins/blob/main/upper.wat
|
||||
path: "../wasm/upper.wasm".into(),
|
||||
@@ -12,9 +10,6 @@ fn main() {
|
||||
hash: None,
|
||||
},
|
||||
},
|
||||
// reflect expects host_reflect to be imported: https://github.com/extism/plugins/blob/e5578bbbdd87f9936a0a8d36df629768b2eff6bb/reflect/src/lib.rs#L5
|
||||
// Extism will link the export from upper.wat to the import of reflect.rs at runtime so it
|
||||
// can call it
|
||||
Wasm::File {
|
||||
// See https://github.com/extism/plugins/tree/main/reflect
|
||||
path: "../wasm/reflect.wasm".into(),
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
use extism::*;
|
||||
|
||||
// pretend this is redis or something :)
|
||||
type KVStore = std::collections::BTreeMap<String, Vec<u8>>;
|
||||
type KVStore = std::sync::Arc<std::sync::Mutex<std::collections::BTreeMap<String, Vec<u8>>>>;
|
||||
|
||||
// When a first argument separated with a semicolon is provided to `host_fn` it is used as the
|
||||
// variable name and type for the `UserData` parameter
|
||||
|
||||
@@ -10,7 +10,7 @@
|
||||
#define EXTISM_SUCCESS 0
|
||||
|
||||
/** An alias for I64 to signify an Extism pointer */
|
||||
#define EXTISM_PTR ExtismValType_I64
|
||||
#define PTR I64
|
||||
|
||||
|
||||
/**
|
||||
@@ -20,31 +20,31 @@ typedef enum {
|
||||
/**
|
||||
* Signed 32 bit integer.
|
||||
*/
|
||||
ExtismValType_I32,
|
||||
I32,
|
||||
/**
|
||||
* Signed 64 bit integer.
|
||||
*/
|
||||
ExtismValType_I64,
|
||||
I64,
|
||||
/**
|
||||
* Floating point 32 bit integer.
|
||||
*/
|
||||
ExtismValType_F32,
|
||||
F32,
|
||||
/**
|
||||
* Floating point 64 bit integer.
|
||||
*/
|
||||
ExtismValType_F64,
|
||||
F64,
|
||||
/**
|
||||
* A 128 bit number.
|
||||
*/
|
||||
ExtismValType_V128,
|
||||
V128,
|
||||
/**
|
||||
* A reference to a Wasm function.
|
||||
*/
|
||||
ExtismValType_FuncRef,
|
||||
FuncRef,
|
||||
/**
|
||||
* A reference to opaque data in the Wasm instance.
|
||||
*/
|
||||
ExtismValType_ExternRef,
|
||||
ExternRef,
|
||||
} ExtismValType;
|
||||
|
||||
/**
|
||||
@@ -113,12 +113,6 @@ extern "C" {
|
||||
*/
|
||||
const uint8_t *extism_plugin_id(ExtismPlugin *plugin);
|
||||
|
||||
/**
|
||||
* Get the current plugin's associated host context data. Returns null if call was made without
|
||||
* host context.
|
||||
*/
|
||||
void *extism_current_plugin_host_context(ExtismCurrentPlugin *plugin);
|
||||
|
||||
/**
|
||||
* Returns a pointer to the memory of the currently running plugin
|
||||
* NOTE: this should only be called from host functions.
|
||||
@@ -195,17 +189,6 @@ ExtismPlugin *extism_plugin_new(const uint8_t *wasm,
|
||||
bool with_wasi,
|
||||
char **errmsg);
|
||||
|
||||
/**
|
||||
* Create a new plugin and set the number of instructions a plugin is allowed to execute
|
||||
*/
|
||||
ExtismPlugin *extism_plugin_new_with_fuel_limit(const uint8_t *wasm,
|
||||
ExtismSize wasm_size,
|
||||
const ExtismFunction **functions,
|
||||
ExtismSize n_functions,
|
||||
bool with_wasi,
|
||||
uint64_t fuel_limit,
|
||||
char **errmsg);
|
||||
|
||||
/**
|
||||
* Free the error returned by `extism_plugin_new`, errors returned from `extism_plugin_error` don't need to be freed
|
||||
*/
|
||||
@@ -248,20 +231,6 @@ int32_t extism_plugin_call(ExtismPlugin *plugin,
|
||||
const uint8_t *data,
|
||||
ExtismSize data_len);
|
||||
|
||||
/**
|
||||
* Call a function with host context.
|
||||
*
|
||||
* `func_name`: is the function to call
|
||||
* `data`: is the input data
|
||||
* `data_len`: is the length of `data`
|
||||
* `host_context`: a pointer to context data that will be available in host functions
|
||||
*/
|
||||
int32_t extism_plugin_call_with_host_context(ExtismPlugin *plugin,
|
||||
const char *func_name,
|
||||
const uint8_t *data,
|
||||
ExtismSize data_len,
|
||||
void *host_context);
|
||||
|
||||
/**
|
||||
* Get the error associated with a `Plugin`
|
||||
*/
|
||||
@@ -313,5 +282,5 @@ bool extism_plugin_reset(ExtismPlugin *plugin);
|
||||
const char *extism_version(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} // extern "C"
|
||||
#endif // __cplusplus
|
||||
} // extern "C"
|
||||
#endif // __cplusplus
|
||||
|
||||
@@ -1,5 +1,3 @@
|
||||
use anyhow::Context;
|
||||
|
||||
use crate::*;
|
||||
|
||||
/// CurrentPlugin stores data that is available to the caller in PDK functions, this should
|
||||
@@ -17,7 +15,6 @@ pub struct CurrentPlugin {
|
||||
pub(crate) available_pages: Option<u32>,
|
||||
pub(crate) memory_limiter: Option<MemoryLimiter>,
|
||||
pub(crate) id: uuid::Uuid,
|
||||
pub(crate) start_time: std::time::Instant,
|
||||
}
|
||||
|
||||
unsafe impl Send for CurrentPlugin {}
|
||||
@@ -65,11 +62,6 @@ impl wasmtime::ResourceLimiter for MemoryLimiter {
|
||||
}
|
||||
|
||||
impl CurrentPlugin {
|
||||
/// Gets `Plugin`'s ID
|
||||
pub fn id(&self) -> uuid::Uuid {
|
||||
self.id
|
||||
}
|
||||
|
||||
/// Get a `MemoryHandle` from a memory offset
|
||||
pub fn memory_handle(&mut self, offs: u64) -> Option<MemoryHandle> {
|
||||
if offs == 0 {
|
||||
@@ -162,10 +154,10 @@ impl CurrentPlugin {
|
||||
}
|
||||
|
||||
pub fn memory_bytes_mut(&mut self, handle: MemoryHandle) -> Result<&mut [u8], Error> {
|
||||
let (linker, store) = self.linker_and_store();
|
||||
if let Some(mem) = linker.get(&mut *store, EXTISM_ENV_MODULE, "memory") {
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
if let Some(mem) = linker.get(&mut store, EXTISM_ENV_MODULE, "memory") {
|
||||
let mem = mem.into_memory().unwrap();
|
||||
let ptr = unsafe { mem.data_ptr(&*store).add(handle.offset() as usize) };
|
||||
let ptr = unsafe { mem.data_ptr(&store).add(handle.offset() as usize) };
|
||||
if ptr.is_null() {
|
||||
return Ok(&mut []);
|
||||
}
|
||||
@@ -176,10 +168,10 @@ impl CurrentPlugin {
|
||||
}
|
||||
|
||||
pub fn memory_bytes(&mut self, handle: MemoryHandle) -> Result<&[u8], Error> {
|
||||
let (linker, store) = self.linker_and_store();
|
||||
if let Some(mem) = linker.get(&mut *store, EXTISM_ENV_MODULE, "memory") {
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
if let Some(mem) = linker.get(&mut store, EXTISM_ENV_MODULE, "memory") {
|
||||
let mem = mem.into_memory().unwrap();
|
||||
let ptr = unsafe { mem.data_ptr(&*store).add(handle.offset() as usize) };
|
||||
let ptr = unsafe { mem.data_ptr(&store).add(handle.offset() as usize) };
|
||||
if ptr.is_null() {
|
||||
return Ok(&[]);
|
||||
}
|
||||
@@ -189,29 +181,6 @@ impl CurrentPlugin {
|
||||
anyhow::bail!("{} unable to locate extism memory", self.id)
|
||||
}
|
||||
|
||||
pub fn host_context<T: 'static>(&mut self) -> Result<&mut T, Error> {
|
||||
let (linker, store) = self.linker_and_store();
|
||||
let Some(Extern::Global(xs)) = linker.get(&mut *store, EXTISM_ENV_MODULE, "extism_context")
|
||||
else {
|
||||
anyhow::bail!("unable to locate an extism kernel global: extism_context",)
|
||||
};
|
||||
|
||||
let Val::ExternRef(Some(xs)) = xs.get(&mut *store) else {
|
||||
anyhow::bail!("expected extism_context to be an externref value",)
|
||||
};
|
||||
|
||||
match xs
|
||||
.data_mut(&mut *store)?
|
||||
.downcast_mut::<Box<dyn std::any::Any + Send + Sync>>()
|
||||
{
|
||||
Some(xs) => match xs.downcast_mut::<T>() {
|
||||
Some(xs) => Ok(xs),
|
||||
None => anyhow::bail!("could not downcast extism_context inner value"),
|
||||
},
|
||||
None => anyhow::bail!("could not downcast extism_context"),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn memory_alloc(&mut self, n: u64) -> Result<MemoryHandle, Error> {
|
||||
if n == 0 {
|
||||
return Ok(MemoryHandle {
|
||||
@@ -222,13 +191,9 @@ impl CurrentPlugin {
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
let output = &mut [Val::I64(0)];
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "alloc") {
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[Val::I64(n as i64)], output)
|
||||
.context("failed to allocate extism memory")
|
||||
)?;
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut store, &[Val::I64(n as i64)], output)?;
|
||||
} else {
|
||||
anyhow::bail!("{} unable to allocate memory", self.id);
|
||||
}
|
||||
@@ -250,15 +215,11 @@ impl CurrentPlugin {
|
||||
|
||||
/// Free a block of Extism plugin memory
|
||||
pub fn memory_free(&mut self, handle: MemoryHandle) -> Result<(), Error> {
|
||||
let (linker, store) = self.linker_and_store();
|
||||
if let Some(f) = linker.get(&mut *store, EXTISM_ENV_MODULE, "free") {
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[Val::I64(handle.offset as i64)], &mut [])
|
||||
.context("failed to free extism memory")
|
||||
)?;
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "free") {
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut store, &[Val::I64(handle.offset as i64)], &mut [])?;
|
||||
} else {
|
||||
anyhow::bail!("unable to locate an extism kernel function: free",)
|
||||
}
|
||||
@@ -266,16 +227,12 @@ impl CurrentPlugin {
|
||||
}
|
||||
|
||||
pub fn memory_length(&mut self, offs: u64) -> Result<u64, Error> {
|
||||
let (linker, store) = self.linker_and_store();
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
let output = &mut [Val::I64(0)];
|
||||
if let Some(f) = linker.get(&mut *store, EXTISM_ENV_MODULE, "length") {
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[Val::I64(offs as i64)], output)
|
||||
.context("failed to get length of extism memory handle")
|
||||
)?;
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "length") {
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut store, &[Val::I64(offs as i64)], output)?;
|
||||
} else {
|
||||
anyhow::bail!("unable to locate an extism kernel function: length",)
|
||||
}
|
||||
@@ -290,16 +247,12 @@ impl CurrentPlugin {
|
||||
}
|
||||
|
||||
pub fn memory_length_unsafe(&mut self, offs: u64) -> Result<u64, Error> {
|
||||
let (linker, store) = self.linker_and_store();
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
let output = &mut [Val::I64(0)];
|
||||
if let Some(f) = linker.get(&mut *store, EXTISM_ENV_MODULE, "length_unsafe") {
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[Val::I64(offs as i64)], output)
|
||||
.context("failed to get length of extism memory using length_unsafe")
|
||||
)?;
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "length_unsafe") {
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut store, &[Val::I64(offs as i64)], output)?;
|
||||
} else {
|
||||
anyhow::bail!("unable to locate an extism kernel function: length_unsafe",)
|
||||
}
|
||||
@@ -335,47 +288,32 @@ impl CurrentPlugin {
|
||||
id: uuid::Uuid,
|
||||
) -> Result<Self, Error> {
|
||||
let wasi = if wasi {
|
||||
let auth = wasi_common::sync::ambient_authority();
|
||||
let random = wasi_common::sync::random_ctx();
|
||||
let clocks = wasi_common::sync::clocks_ctx();
|
||||
let sched = wasi_common::sync::sched_ctx();
|
||||
let table = wasi_common::Table::new();
|
||||
let ctx = wasi_common::WasiCtx::new(random, clocks, sched, table);
|
||||
let auth = wasmtime_wasi::ambient_authority();
|
||||
let mut ctx = wasmtime_wasi::WasiCtxBuilder::new();
|
||||
for (k, v) in manifest.config.iter() {
|
||||
ctx.env(k, v)?;
|
||||
}
|
||||
|
||||
if let Some(a) = &manifest.allowed_paths {
|
||||
for (k, v) in a.iter() {
|
||||
let readonly = k.starts_with("ro:");
|
||||
|
||||
let dir_path = if readonly { &k[3..] } else { k };
|
||||
|
||||
let dir = wasi_common::sync::dir::Dir::from_cap_std(
|
||||
wasi_common::sync::Dir::open_ambient_dir(dir_path, auth)?,
|
||||
);
|
||||
|
||||
let file: Box<dyn wasi_common::dir::WasiDir> = if readonly {
|
||||
Box::new(readonly_dir::ReadOnlyDir::new(dir))
|
||||
} else {
|
||||
Box::new(dir)
|
||||
};
|
||||
|
||||
ctx.push_preopened_dir(file, v)?;
|
||||
let d = wasmtime_wasi::Dir::open_ambient_dir(k, auth)?;
|
||||
ctx.preopened_dir(d, v)?;
|
||||
}
|
||||
}
|
||||
|
||||
// Enable WASI output, typically used for debugging purposes
|
||||
if std::env::var("EXTISM_ENABLE_WASI_OUTPUT").is_ok() {
|
||||
ctx.set_stderr(Box::new(wasi_common::sync::stdio::stderr()));
|
||||
ctx.set_stdout(Box::new(wasi_common::sync::stdio::stdout()));
|
||||
ctx.inherit_stdout().inherit_stderr();
|
||||
}
|
||||
|
||||
Some(Wasi { ctx })
|
||||
Some(Wasi { ctx: ctx.build() })
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let memory_limiter = if let Some(pgs) = available_pages {
|
||||
let n = pgs as usize * 65536;
|
||||
Some(MemoryLimiter {
|
||||
Some(crate::current_plugin::MemoryLimiter {
|
||||
max_bytes: n,
|
||||
bytes_left: n,
|
||||
})
|
||||
@@ -393,7 +331,6 @@ impl CurrentPlugin {
|
||||
available_pages,
|
||||
memory_limiter,
|
||||
id,
|
||||
start_time: std::time::Instant::now(),
|
||||
})
|
||||
}
|
||||
|
||||
@@ -438,12 +375,12 @@ impl CurrentPlugin {
|
||||
/// Clear the current plugin error
|
||||
pub fn clear_error(&mut self) {
|
||||
trace!(plugin = self.id.to_string(), "CurrentPlugin::clear_error");
|
||||
let (linker, store) = self.linker_and_store();
|
||||
if let Some(f) = linker.get(&mut *store, EXTISM_ENV_MODULE, "error_set") {
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "error_set") {
|
||||
let res = f
|
||||
.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[Val::I64(0)], &mut []);
|
||||
.call(&mut store, &[Val::I64(0)], &mut []);
|
||||
if let Err(e) = res {
|
||||
error!(
|
||||
plugin = self.id.to_string(),
|
||||
@@ -474,15 +411,13 @@ impl CurrentPlugin {
|
||||
pub fn set_error(&mut self, s: impl AsRef<str>) -> Result<(u64, u64), Error> {
|
||||
let s = s.as_ref();
|
||||
debug!(plugin = self.id.to_string(), "set error: {:?}", s);
|
||||
let handle = self.memory_new(s)?;
|
||||
let (linker, store) = self.linker_and_store();
|
||||
if let Some(f) = linker.get(&mut *store, EXTISM_ENV_MODULE, "error_set") {
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[Val::I64(handle.offset() as i64)], &mut [])
|
||||
.context("failed to set extism error")
|
||||
let handle = self.current_plugin_mut().memory_new(s)?;
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "error_set") {
|
||||
f.into_func().unwrap().call(
|
||||
&mut store,
|
||||
&[Val::I64(handle.offset() as i64)],
|
||||
&mut [],
|
||||
)?;
|
||||
Ok((handle.offset(), s.len() as u64))
|
||||
} else {
|
||||
@@ -491,13 +426,10 @@ impl CurrentPlugin {
|
||||
}
|
||||
|
||||
pub(crate) fn get_error_position(&mut self) -> (u64, u64) {
|
||||
let (linker, store) = self.linker_and_store();
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
let output = &mut [Val::I64(0)];
|
||||
if let Some(f) = linker.get(&mut *store, EXTISM_ENV_MODULE, "error_get") {
|
||||
if let Err(e) = catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func().unwrap().call(&mut *store, &[], output)
|
||||
) {
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "error_get") {
|
||||
if let Err(e) = f.into_func().unwrap().call(&mut store, &[], output) {
|
||||
error!(
|
||||
plugin = self.id.to_string(),
|
||||
"unable to call extism:host/env::error_get: {:?}", e
|
||||
@@ -509,18 +441,6 @@ impl CurrentPlugin {
|
||||
let length = self.memory_length(offs).unwrap_or_default();
|
||||
(offs, length)
|
||||
}
|
||||
|
||||
/// Returns the remaining time before a plugin will timeout, or
|
||||
/// `None` if no timeout is configured in the manifest
|
||||
pub fn time_remaining(&self) -> Option<std::time::Duration> {
|
||||
if let Some(x) = &self.manifest.timeout_ms {
|
||||
let elapsed = &self.start_time.elapsed().as_millis();
|
||||
let ms_left = x.saturating_sub(*elapsed as u64);
|
||||
return Some(std::time::Duration::from_millis(ms_left));
|
||||
}
|
||||
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
impl Internal for CurrentPlugin {
|
||||
@@ -532,6 +452,14 @@ impl Internal for CurrentPlugin {
|
||||
unsafe { &mut *self.store }
|
||||
}
|
||||
|
||||
fn linker(&self) -> &Linker<CurrentPlugin> {
|
||||
unsafe { &*self.linker }
|
||||
}
|
||||
|
||||
fn linker_mut(&mut self) -> &mut Linker<CurrentPlugin> {
|
||||
unsafe { &mut *self.linker }
|
||||
}
|
||||
|
||||
fn linker_and_store(&mut self) -> (&mut Linker<CurrentPlugin>, &mut Store<CurrentPlugin>) {
|
||||
unsafe { (&mut *self.linker, &mut *self.store) }
|
||||
}
|
||||
|
||||
BIN
runtime/src/extism-runtime.wasm
Normal file → Executable file
BIN
runtime/src/extism-runtime.wasm
Normal file → Executable file
Binary file not shown.
@@ -4,7 +4,6 @@ use wasmtime::Caller;
|
||||
use crate::{error, trace, CurrentPlugin, Error};
|
||||
|
||||
/// An enumeration of all possible value types in WebAssembly.
|
||||
/// cbindgen:prefix-with-name
|
||||
#[derive(Debug, Clone, Hash, Eq, PartialEq)]
|
||||
#[repr(C)]
|
||||
pub enum ValType {
|
||||
@@ -38,13 +37,8 @@ impl From<wasmtime::ValType> for ValType {
|
||||
F32 => ValType::F32,
|
||||
F64 => ValType::F64,
|
||||
V128 => ValType::V128,
|
||||
Ref(t) => {
|
||||
if t.heap_type().is_func() {
|
||||
ValType::FuncRef
|
||||
} else {
|
||||
ValType::ExternRef
|
||||
}
|
||||
}
|
||||
FuncRef => ValType::FuncRef,
|
||||
ExternRef => ValType::ExternRef,
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -58,8 +52,8 @@ impl From<ValType> for wasmtime::ValType {
|
||||
F32 => wasmtime::ValType::F32,
|
||||
F64 => wasmtime::ValType::F64,
|
||||
V128 => wasmtime::ValType::V128,
|
||||
FuncRef => wasmtime::ValType::FUNCREF,
|
||||
ExternRef => wasmtime::ValType::EXTERNREF,
|
||||
FuncRef => wasmtime::ValType::FuncRef,
|
||||
ExternRef => wasmtime::ValType::ExternRef,
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -77,9 +71,7 @@ pub struct CPtr {
|
||||
/// UserDataHandle is an untyped version of `UserData` that is stored inside `Function` to keep a live reference.
|
||||
#[derive(Clone)]
|
||||
pub(crate) enum UserDataHandle {
|
||||
#[allow(dead_code)]
|
||||
C(Arc<CPtr>),
|
||||
#[allow(dead_code)]
|
||||
Rust(Arc<std::sync::Mutex<dyn std::any::Any>>),
|
||||
}
|
||||
|
||||
@@ -89,18 +81,18 @@ pub(crate) enum UserDataHandle {
|
||||
/// using `UserData::get`. The `C` data is stored as a pointer and cleanup function and isn't usable from Rust. The cleanup function
|
||||
/// will be called when the inner `CPtr` is dropped.
|
||||
#[derive(Debug)]
|
||||
pub enum UserData<T: Sized> {
|
||||
pub enum UserData<T: Sync + Clone + Sized> {
|
||||
C(Arc<CPtr>),
|
||||
Rust(Arc<std::sync::Mutex<T>>),
|
||||
Rust(T),
|
||||
}
|
||||
|
||||
impl<T: Default> Default for UserData<T> {
|
||||
impl<T: Default + Sync + Clone> Default for UserData<T> {
|
||||
fn default() -> Self {
|
||||
UserData::new(T::default())
|
||||
}
|
||||
}
|
||||
|
||||
impl<T> Clone for UserData<T> {
|
||||
impl<T: Sync + Clone> Clone for UserData<T> {
|
||||
fn clone(&self) -> Self {
|
||||
match self {
|
||||
UserData::C(ptr) => UserData::C(ptr.clone()),
|
||||
@@ -109,7 +101,7 @@ impl<T> Clone for UserData<T> {
|
||||
}
|
||||
}
|
||||
|
||||
impl<T> UserData<T> {
|
||||
impl<T: Sync + Clone> UserData<T> {
|
||||
/// Create a new `UserData` from an existing pointer and free function, this is used
|
||||
/// by the C API to wrap C pointers into user data
|
||||
pub(crate) fn new_pointer(
|
||||
@@ -134,12 +126,11 @@ impl<T> UserData<T> {
|
||||
///
|
||||
/// This will wrap the provided value in a reference-counted mutex
|
||||
pub fn new(x: T) -> Self {
|
||||
let data = Arc::new(std::sync::Mutex::new(x));
|
||||
UserData::Rust(data)
|
||||
UserData::Rust(x)
|
||||
}
|
||||
|
||||
/// Get a copy of the inner value
|
||||
pub fn get(&self) -> Result<Arc<std::sync::Mutex<T>>, Error> {
|
||||
pub fn get(&self) -> Result<T, Error> {
|
||||
match self {
|
||||
UserData::C { .. } => anyhow::bail!("C UserData should not be used from Rust"),
|
||||
UserData::Rust(data) => Ok(data.clone()),
|
||||
@@ -158,8 +149,8 @@ impl Drop for CPtr {
|
||||
}
|
||||
}
|
||||
|
||||
unsafe impl<T> Send for UserData<T> {}
|
||||
unsafe impl<T> Sync for UserData<T> {}
|
||||
unsafe impl<T: Sync + Clone> Send for UserData<T> {}
|
||||
unsafe impl<T: Sync + Clone> Sync for UserData<T> {}
|
||||
unsafe impl Send for CPtr {}
|
||||
unsafe impl Sync for CPtr {}
|
||||
|
||||
@@ -176,8 +167,8 @@ pub struct Function {
|
||||
/// Module name
|
||||
pub(crate) namespace: Option<String>,
|
||||
|
||||
pub(crate) params: Vec<ValType>,
|
||||
pub(crate) results: Vec<ValType>,
|
||||
/// Function type
|
||||
pub(crate) ty: wasmtime::FuncType,
|
||||
|
||||
/// Function handle
|
||||
pub(crate) f: Arc<FunctionInner>,
|
||||
@@ -188,10 +179,10 @@ pub struct Function {
|
||||
|
||||
impl Function {
|
||||
/// Create a new host function
|
||||
pub fn new<T: 'static, F>(
|
||||
pub fn new<T: 'static + Sync + Clone, F>(
|
||||
name: impl Into<String>,
|
||||
params: impl IntoIterator<Item = ValType>,
|
||||
results: impl IntoIterator<Item = ValType>,
|
||||
args: impl IntoIterator<Item = ValType>,
|
||||
returns: impl IntoIterator<Item = ValType>,
|
||||
user_data: UserData<T>,
|
||||
f: F,
|
||||
) -> Function
|
||||
@@ -203,13 +194,13 @@ impl Function {
|
||||
{
|
||||
let data = user_data.clone();
|
||||
let name = name.into();
|
||||
let params = params.into_iter().collect();
|
||||
let results = results.into_iter().collect();
|
||||
trace!("Creating function {name}: params={params:?}, results={results:?}");
|
||||
let args = args.into_iter().map(wasmtime::ValType::from);
|
||||
let returns = returns.into_iter().map(wasmtime::ValType::from);
|
||||
let ty = wasmtime::FuncType::new(args, returns);
|
||||
trace!("Creating function {name}: type={ty:?}");
|
||||
Function {
|
||||
name,
|
||||
params,
|
||||
results,
|
||||
ty,
|
||||
f: Arc::new(
|
||||
move |mut caller: Caller<_>, inp: &[Val], outp: &mut [Val]| {
|
||||
let x = data.clone();
|
||||
@@ -219,27 +210,13 @@ impl Function {
|
||||
namespace: None,
|
||||
_user_data: match &user_data {
|
||||
UserData::C(ptr) => UserDataHandle::C(ptr.clone()),
|
||||
UserData::Rust(x) => UserDataHandle::Rust(x.clone()),
|
||||
UserData::Rust(x) => {
|
||||
UserDataHandle::Rust(std::sync::Arc::new(std::sync::Mutex::new(x.clone())))
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
pub(crate) fn ty(&self, engine: &wasmtime::Engine) -> wasmtime::FuncType {
|
||||
wasmtime::FuncType::new(
|
||||
engine,
|
||||
self.params
|
||||
.iter()
|
||||
.cloned()
|
||||
.map(wasmtime::ValType::from)
|
||||
.collect::<Vec<_>>(),
|
||||
self.results
|
||||
.iter()
|
||||
.cloned()
|
||||
.map(wasmtime::ValType::from)
|
||||
.collect::<Vec<_>>(),
|
||||
)
|
||||
}
|
||||
|
||||
/// Host function name
|
||||
pub fn name(&self) -> &str {
|
||||
&self.name
|
||||
@@ -263,14 +240,9 @@ impl Function {
|
||||
self
|
||||
}
|
||||
|
||||
/// Get param types
|
||||
pub fn params(&self) -> &[ValType] {
|
||||
&self.params
|
||||
}
|
||||
|
||||
/// Get result types
|
||||
pub fn results(&self) -> &[ValType] {
|
||||
&self.results
|
||||
/// Get function type
|
||||
pub fn ty(&self) -> &wasmtime::FuncType {
|
||||
&self.ty
|
||||
}
|
||||
}
|
||||
|
||||
@@ -279,7 +251,7 @@ impl Function {
|
||||
/// For example, the following defines a host function named `add_newline` that takes a
|
||||
/// string parameter and returns a string result:
|
||||
/// ```rust
|
||||
/// extism::host_fn!(add_newline(_user_data: (); a: String) -> String { Ok(a + "\n") });
|
||||
/// extism::host_fn!(add_newline(_user_data: (), a: String) -> String { Ok(a + "\n") });
|
||||
/// ```
|
||||
/// A few things worth noting:
|
||||
/// - The function always returns a `Result` that wraps the specified return type
|
||||
|
||||
@@ -3,7 +3,7 @@ use crate::*;
|
||||
/// WASI context
|
||||
pub struct Wasi {
|
||||
/// wasi
|
||||
pub ctx: wasi_common::WasiCtx,
|
||||
pub ctx: wasmtime_wasi::WasiCtx,
|
||||
}
|
||||
|
||||
/// InternalExt provides a unified way of acessing `memory`, `store` and `internal` values
|
||||
@@ -12,6 +12,10 @@ pub(crate) trait Internal {
|
||||
|
||||
fn store_mut(&mut self) -> &mut Store<CurrentPlugin>;
|
||||
|
||||
fn linker(&self) -> &Linker<CurrentPlugin>;
|
||||
|
||||
fn linker_mut(&mut self) -> &mut Linker<CurrentPlugin>;
|
||||
|
||||
fn linker_and_store(&mut self) -> (&mut Linker<CurrentPlugin>, &mut Store<CurrentPlugin>);
|
||||
|
||||
fn current_plugin(&self) -> &CurrentPlugin {
|
||||
|
||||
@@ -1,17 +1,6 @@
|
||||
// Makes proc-macros able to resolve `::extism` correctly
|
||||
extern crate self as extism;
|
||||
|
||||
macro_rules! catch_out_of_fuel {
|
||||
($store: expr, $x:expr) => {{
|
||||
let y = $x;
|
||||
if y.is_err() && $store.get_fuel().is_ok_and(|x| x == 0) {
|
||||
Err(Error::msg("plugin ran out of fuel"))
|
||||
} else {
|
||||
y
|
||||
}
|
||||
}};
|
||||
}
|
||||
|
||||
pub(crate) use extism_convert::*;
|
||||
pub(crate) use std::collections::BTreeMap;
|
||||
use std::str::FromStr;
|
||||
@@ -29,7 +18,6 @@ pub(crate) mod manifest;
|
||||
pub(crate) mod pdk;
|
||||
mod plugin;
|
||||
mod plugin_builder;
|
||||
mod readonly_dir;
|
||||
mod timer;
|
||||
|
||||
/// Extism C API
|
||||
@@ -89,16 +77,11 @@ pub fn set_log_callback<F: 'static + Clone + Fn(&str)>(
|
||||
filter: impl AsRef<str>,
|
||||
) -> Result<(), Error> {
|
||||
let filter = filter.as_ref();
|
||||
let is_level = tracing::Level::from_str(filter).is_ok();
|
||||
let cfg = tracing_subscriber::FmtSubscriber::builder().with_env_filter({
|
||||
let x = tracing_subscriber::EnvFilter::builder()
|
||||
.with_default_directive(tracing::Level::ERROR.into());
|
||||
if is_level {
|
||||
x.parse_lossy(format!("extism={}", filter))
|
||||
} else {
|
||||
x.parse_lossy(filter)
|
||||
}
|
||||
});
|
||||
let cfg = tracing_subscriber::FmtSubscriber::builder().with_env_filter(
|
||||
tracing_subscriber::EnvFilter::builder()
|
||||
.with_default_directive(tracing::Level::ERROR.into())
|
||||
.parse_lossy(filter),
|
||||
);
|
||||
let w = LogFunction { func };
|
||||
cfg.with_ansi(false)
|
||||
.with_writer(move || w.clone())
|
||||
|
||||
@@ -47,13 +47,9 @@ fn to_module(engine: &Engine, wasm: &extism_manifest::Wasm) -> Result<(String, M
|
||||
let name = meta.name.as_deref().unwrap_or(MAIN_KEY).to_string();
|
||||
|
||||
// Load file
|
||||
let buf = std::fs::read(path).map_err(|err| {
|
||||
Error::msg(format!(
|
||||
"Unable to load Wasm file \"{}\": {}",
|
||||
path.display(),
|
||||
err.kind()
|
||||
))
|
||||
})?;
|
||||
let mut buf = Vec::new();
|
||||
let mut file = std::fs::File::open(path)?;
|
||||
file.read_to_end(&mut buf)?;
|
||||
|
||||
check_hash(&meta.hash, &buf)?;
|
||||
Ok((name, Module::new(engine, buf)?))
|
||||
|
||||
@@ -20,8 +20,6 @@ macro_rules! args {
|
||||
/// Get a configuration value
|
||||
/// Params: i64 (offset)
|
||||
/// Returns: i64 (offset)
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
pub(crate) fn config_get(
|
||||
mut caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -40,7 +38,6 @@ pub(crate) fn config_get(
|
||||
};
|
||||
let val = data.manifest.config.get(key);
|
||||
let ptr = val.map(|x| (x.len(), x.as_ptr()));
|
||||
data.memory_free(handle)?;
|
||||
let mem = match ptr {
|
||||
Some((len, ptr)) => {
|
||||
let bytes = unsafe { std::slice::from_raw_parts(ptr, len) };
|
||||
@@ -58,9 +55,6 @@ pub(crate) fn config_get(
|
||||
/// Get a variable
|
||||
/// Params: i64 (offset)
|
||||
/// Returns: i64 (offset)
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value, but the return value
|
||||
/// will need to be freed
|
||||
pub(crate) fn var_get(
|
||||
mut caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -79,8 +73,6 @@ pub(crate) fn var_get(
|
||||
};
|
||||
let val = data.vars.get(key);
|
||||
let ptr = val.map(|x| (x.len(), x.as_ptr()));
|
||||
data.memory_free(handle)?;
|
||||
|
||||
let mem = match ptr {
|
||||
Some((len, ptr)) => {
|
||||
let bytes = unsafe { std::slice::from_raw_parts(ptr, len) };
|
||||
@@ -98,8 +90,6 @@ pub(crate) fn var_get(
|
||||
/// Set a variable, if the value offset is 0 then the provided key will be removed
|
||||
/// Params: i64 (key offset), i64 (value offset)
|
||||
/// Returns: none
|
||||
/// **Note**: this function takes ownership of the handles passed in
|
||||
/// the caller should not `free` these values
|
||||
pub(crate) fn var_set(
|
||||
mut caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -114,12 +104,12 @@ pub(crate) fn var_set(
|
||||
let voffset = args!(input, 1, i64) as u64;
|
||||
let key_offs = args!(input, 0, i64) as u64;
|
||||
|
||||
let key_handle = match data.memory_handle(key_offs) {
|
||||
Some(h) => h,
|
||||
None => anyhow::bail!("invalid handle offset for var key: {key_offs}"),
|
||||
};
|
||||
let key = {
|
||||
let key = data.memory_str(key_handle)?;
|
||||
let handle = match data.memory_handle(key_offs) {
|
||||
Some(h) => h,
|
||||
None => anyhow::bail!("invalid handle offset for var key: {key_offs}"),
|
||||
};
|
||||
let key = data.memory_str(handle)?;
|
||||
let key_len = key.len();
|
||||
let key_ptr = key.as_ptr();
|
||||
unsafe { std::str::from_utf8_unchecked(std::slice::from_raw_parts(key_ptr, key_len)) }
|
||||
@@ -128,7 +118,6 @@ pub(crate) fn var_set(
|
||||
// Remove if the value offset is 0
|
||||
if voffset == 0 {
|
||||
data.vars.remove(key);
|
||||
data.memory_free(key_handle)?;
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
@@ -155,9 +144,6 @@ pub(crate) fn var_set(
|
||||
|
||||
let value = data.memory_bytes(handle)?.to_vec();
|
||||
|
||||
data.memory_free(handle)?;
|
||||
data.memory_free(key_handle)?;
|
||||
|
||||
// Insert the value from memory into the `vars` map
|
||||
data.vars.insert(key.to_string(), value);
|
||||
|
||||
@@ -167,9 +153,6 @@ pub(crate) fn var_set(
|
||||
/// Make an HTTP request
|
||||
/// Params: i64 (offset to JSON encoded HttpRequest), i64 (offset to body or 0)
|
||||
/// Returns: i64 (offset)
|
||||
/// **Note**: this function takes ownership of the handles passed in
|
||||
/// the caller should not `free` these values, the result will need to
|
||||
/// be freed.
|
||||
pub(crate) fn http_request(
|
||||
#[allow(unused_mut)] mut caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -183,7 +166,6 @@ pub(crate) fn http_request(
|
||||
Some(h) => h,
|
||||
None => anyhow::bail!("http_request input is invalid: {http_req_offset}"),
|
||||
};
|
||||
data.free(handle)?;
|
||||
let req: extism_manifest::HttpRequest = serde_json::from_slice(data.memory_bytes(handle)?)?;
|
||||
output[0] = Val::I64(0);
|
||||
anyhow::bail!(
|
||||
@@ -200,7 +182,6 @@ pub(crate) fn http_request(
|
||||
None => anyhow::bail!("invalid handle offset for http request: {http_req_offset}"),
|
||||
};
|
||||
let req: extism_manifest::HttpRequest = serde_json::from_slice(data.memory_bytes(handle)?)?;
|
||||
data.memory_free(handle)?;
|
||||
|
||||
let body_offset = args!(input, 1, i64) as u64;
|
||||
|
||||
@@ -236,11 +217,6 @@ pub(crate) fn http_request(
|
||||
r = r.set(k, v);
|
||||
}
|
||||
|
||||
// Set HTTP timeout to respect the manifest timeout
|
||||
if let Some(remaining) = data.time_remaining() {
|
||||
r = r.timeout(remaining);
|
||||
}
|
||||
|
||||
let res = if body_offset > 0 {
|
||||
let handle = match data.memory_handle(body_offset) {
|
||||
Some(h) => h,
|
||||
@@ -254,22 +230,12 @@ pub(crate) fn http_request(
|
||||
r.call()
|
||||
};
|
||||
|
||||
if let Some(handle) = data.memory_handle(body_offset) {
|
||||
data.memory_free(handle)?;
|
||||
}
|
||||
|
||||
let reader = match res {
|
||||
Ok(res) => {
|
||||
data.http_status = res.status();
|
||||
Some(res.into_reader())
|
||||
}
|
||||
Err(e) => {
|
||||
// Catch timeout and return
|
||||
if let Some(d) = data.time_remaining() {
|
||||
if e.kind() == ureq::ErrorKind::Io && d.as_nanos() == 0 {
|
||||
anyhow::bail!("timeout");
|
||||
}
|
||||
}
|
||||
let msg = e.to_string();
|
||||
if let Some(res) = e.into_response() {
|
||||
data.http_status = res.status();
|
||||
@@ -324,22 +290,13 @@ pub fn log(
|
||||
_output: &mut [Val],
|
||||
) -> Result<(), Error> {
|
||||
let data: &mut CurrentPlugin = caller.data_mut();
|
||||
|
||||
let offset = args!(input, 0, i64) as u64;
|
||||
|
||||
// Check if the current log level should be logged
|
||||
let global_log_level = tracing::level_filters::LevelFilter::current();
|
||||
if global_log_level == tracing::level_filters::LevelFilter::OFF || level > global_log_level {
|
||||
if let Some(handle) = data.memory_handle(offset) {
|
||||
data.memory_free(handle)?;
|
||||
}
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let handle = match data.memory_handle(offset) {
|
||||
Some(h) => h,
|
||||
None => anyhow::bail!("invalid handle offset for log message: {offset}"),
|
||||
};
|
||||
|
||||
let id = data.id.to_string();
|
||||
let buf = data.memory_str(handle);
|
||||
|
||||
@@ -363,16 +320,12 @@ pub fn log(
|
||||
},
|
||||
Err(_) => tracing::error!(plugin = id, "unable to log message: {:?}", buf),
|
||||
}
|
||||
|
||||
data.memory_free(handle)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Write to logs (warning)
|
||||
/// Params: i64 (offset)
|
||||
/// Returns: none
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
pub(crate) fn log_warn(
|
||||
caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -384,8 +337,6 @@ pub(crate) fn log_warn(
|
||||
/// Write to logs (info)
|
||||
/// Params: i64 (offset)
|
||||
/// Returns: none
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
pub(crate) fn log_info(
|
||||
caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -397,8 +348,6 @@ pub(crate) fn log_info(
|
||||
/// Write to logs (debug)
|
||||
/// Params: i64 (offset)
|
||||
/// Returns: none
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
pub(crate) fn log_debug(
|
||||
caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -410,8 +359,6 @@ pub(crate) fn log_debug(
|
||||
/// Write to logs (error)
|
||||
/// Params: i64 (offset)
|
||||
/// Returns: none
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
pub(crate) fn log_error(
|
||||
caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
@@ -419,46 +366,3 @@ pub(crate) fn log_error(
|
||||
) -> Result<(), Error> {
|
||||
log(tracing::Level::ERROR, caller, input, _output)
|
||||
}
|
||||
|
||||
/// Write to logs (trace)
|
||||
/// Params: i64 (offset)
|
||||
/// Returns: none
|
||||
/// **Note**: this function takes ownership of the handle passed in
|
||||
/// the caller should not `free` this value
|
||||
pub(crate) fn log_trace(
|
||||
caller: Caller<CurrentPlugin>,
|
||||
input: &[Val],
|
||||
_output: &mut [Val],
|
||||
) -> Result<(), Error> {
|
||||
log(tracing::Level::TRACE, caller, input, _output)
|
||||
}
|
||||
|
||||
/// Get the log level
|
||||
/// Params: none
|
||||
/// Returns: i32 (log level)
|
||||
pub(crate) fn get_log_level(
|
||||
mut _caller: Caller<CurrentPlugin>,
|
||||
_input: &[Val],
|
||||
output: &mut [Val],
|
||||
) -> Result<(), Error> {
|
||||
let level = tracing::level_filters::LevelFilter::current();
|
||||
if level == tracing::level_filters::LevelFilter::OFF {
|
||||
output[0] = Val::I32(i32::MAX)
|
||||
} else {
|
||||
output[0] = Val::I32(log_level_to_int(
|
||||
level.into_level().unwrap_or(tracing::Level::ERROR),
|
||||
));
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Convert log level to integer
|
||||
pub(crate) const fn log_level_to_int(level: tracing::Level) -> i32 {
|
||||
match level {
|
||||
tracing::Level::TRACE => 0,
|
||||
tracing::Level::DEBUG => 1,
|
||||
tracing::Level::INFO => 2,
|
||||
tracing::Level::WARN => 3,
|
||||
tracing::Level::ERROR => 4,
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,11 +1,8 @@
|
||||
use std::{
|
||||
any::Any,
|
||||
collections::{BTreeMap, BTreeSet},
|
||||
path::PathBuf,
|
||||
};
|
||||
|
||||
use anyhow::Context;
|
||||
|
||||
use crate::*;
|
||||
|
||||
pub const EXTISM_ENV_MODULE: &str = "extism:host/env";
|
||||
@@ -83,12 +80,6 @@ pub struct Plugin {
|
||||
pub(crate) store_needs_reset: bool,
|
||||
|
||||
pub(crate) debug_options: DebugOptions,
|
||||
|
||||
pub(crate) error_msg: Option<Vec<u8>>,
|
||||
|
||||
pub(crate) fuel: Option<u64>,
|
||||
|
||||
pub(crate) host_context: Rooted<ExternRef>,
|
||||
}
|
||||
|
||||
unsafe impl Send for Plugin {}
|
||||
@@ -109,6 +100,14 @@ impl Internal for Plugin {
|
||||
&mut self.store
|
||||
}
|
||||
|
||||
fn linker(&self) -> &Linker<CurrentPlugin> {
|
||||
&self.linker
|
||||
}
|
||||
|
||||
fn linker_mut(&mut self) -> &mut Linker<CurrentPlugin> {
|
||||
&mut self.linker
|
||||
}
|
||||
|
||||
fn linker_and_store(&mut self) -> (&mut Linker<CurrentPlugin>, &mut Store<CurrentPlugin>) {
|
||||
(&mut self.linker, &mut self.store)
|
||||
}
|
||||
@@ -194,12 +193,6 @@ fn add_module<T: 'static>(
|
||||
}
|
||||
|
||||
for import in module.imports() {
|
||||
let module = import.module();
|
||||
|
||||
if module == EXTISM_ENV_MODULE && !matches!(import.ty(), ExternType::Func(_)) {
|
||||
anyhow::bail!("linked modules cannot access non-function exports of extism kernel");
|
||||
}
|
||||
|
||||
if !linked.contains(import.module()) {
|
||||
if let Some(m) = modules.get(import.module()) {
|
||||
add_module(
|
||||
@@ -220,88 +213,6 @@ fn add_module<T: 'static>(
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[allow(clippy::type_complexity)]
|
||||
fn relink(
|
||||
engine: &Engine,
|
||||
mut store: &mut Store<CurrentPlugin>,
|
||||
imports: &[Function],
|
||||
modules: &BTreeMap<String, Module>,
|
||||
with_wasi: bool,
|
||||
) -> Result<
|
||||
(
|
||||
InstancePre<CurrentPlugin>,
|
||||
Linker<CurrentPlugin>,
|
||||
Rooted<ExternRef>,
|
||||
),
|
||||
Error,
|
||||
> {
|
||||
let mut linker = Linker::new(engine);
|
||||
linker.allow_shadowing(true);
|
||||
|
||||
// Define PDK functions
|
||||
macro_rules! add_funcs {
|
||||
($($name:ident($($args:expr),*) $(-> $($r:expr),*)?);* $(;)?) => {
|
||||
$(
|
||||
let t = FuncType::new(&engine, [$($args),*], [$($($r),*)?]);
|
||||
linker.func_new(EXTISM_ENV_MODULE, stringify!($name), t, pdk::$name)?;
|
||||
)*
|
||||
};
|
||||
}
|
||||
|
||||
// Add builtins
|
||||
use wasmtime::ValType::*;
|
||||
add_funcs!(
|
||||
config_get(I64) -> I64;
|
||||
var_get(I64) -> I64;
|
||||
var_set(I64, I64);
|
||||
http_request(I64, I64) -> I64;
|
||||
http_status_code() -> I32;
|
||||
log_warn(I64);
|
||||
log_info(I64);
|
||||
log_debug(I64);
|
||||
log_error(I64);
|
||||
log_trace(I64);
|
||||
get_log_level() -> I32;
|
||||
);
|
||||
|
||||
let mut linked = BTreeSet::new();
|
||||
linker.module(&mut store, EXTISM_ENV_MODULE, &modules[EXTISM_ENV_MODULE])?;
|
||||
linked.insert(EXTISM_ENV_MODULE.to_string());
|
||||
|
||||
// If wasi is enabled then add it to the linker
|
||||
if with_wasi {
|
||||
wasi_common::sync::add_to_linker(&mut linker, |x: &mut CurrentPlugin| {
|
||||
&mut x.wasi.as_mut().unwrap().ctx
|
||||
})?;
|
||||
}
|
||||
|
||||
for f in imports {
|
||||
let name = f.name();
|
||||
let ns = f.namespace().unwrap_or(EXTISM_USER_MODULE);
|
||||
unsafe {
|
||||
linker.func_new(ns, name, f.ty(engine).clone(), &*(f.f.as_ref() as *const _))?;
|
||||
}
|
||||
}
|
||||
|
||||
for (name, module) in modules.iter() {
|
||||
add_module(
|
||||
store,
|
||||
&mut linker,
|
||||
&mut linked,
|
||||
modules,
|
||||
name.clone(),
|
||||
module,
|
||||
)?;
|
||||
}
|
||||
|
||||
let inner: Box<dyn std::any::Any + Send + Sync> = Box::new(());
|
||||
let host_context = ExternRef::new(store, inner)?;
|
||||
|
||||
let main = &modules[MAIN_KEY];
|
||||
let instance_pre = linker.instantiate_pre(main)?;
|
||||
Ok((instance_pre, linker, host_context))
|
||||
}
|
||||
|
||||
impl Plugin {
|
||||
/// Create a new plugin from a Manifest or WebAssembly module, and host functions. The `with_wasi`
|
||||
/// parameter determines whether or not the module should be executed with WASI enabled.
|
||||
@@ -310,15 +221,7 @@ impl Plugin {
|
||||
imports: impl IntoIterator<Item = Function>,
|
||||
with_wasi: bool,
|
||||
) -> Result<Plugin, Error> {
|
||||
Self::build_new(
|
||||
wasm.into(),
|
||||
imports,
|
||||
with_wasi,
|
||||
Default::default(),
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
)
|
||||
Self::build_new(wasm.into(), imports, with_wasi, Default::default(), None)
|
||||
}
|
||||
|
||||
pub(crate) fn build_new(
|
||||
@@ -327,24 +230,16 @@ impl Plugin {
|
||||
with_wasi: bool,
|
||||
debug_options: DebugOptions,
|
||||
cache_dir: Option<Option<PathBuf>>,
|
||||
fuel: Option<u64>,
|
||||
config: Option<Config>,
|
||||
) -> Result<Plugin, Error> {
|
||||
// Setup wasmtime types
|
||||
let mut config = config.unwrap_or_default();
|
||||
let mut config = Config::new();
|
||||
config
|
||||
.async_support(false)
|
||||
.epoch_interruption(true)
|
||||
.debug_info(debug_options.debug_info)
|
||||
.coredump_on_trap(debug_options.coredump.is_some())
|
||||
.profiler(debug_options.profiling_strategy)
|
||||
.wasm_tail_call(true)
|
||||
.wasm_function_references(true)
|
||||
.wasm_gc(true);
|
||||
|
||||
if fuel.is_some() {
|
||||
config.consume_fuel(true);
|
||||
}
|
||||
.wasm_function_references(true);
|
||||
|
||||
match cache_dir {
|
||||
Some(None) => (),
|
||||
@@ -379,13 +274,65 @@ impl Plugin {
|
||||
CurrentPlugin::new(manifest, with_wasi, available_pages, id)?,
|
||||
);
|
||||
store.set_epoch_deadline(1);
|
||||
if let Some(fuel) = fuel {
|
||||
store.set_fuel(fuel)?;
|
||||
|
||||
let mut linker = Linker::new(&engine);
|
||||
let mut imports: Vec<_> = imports.into_iter().collect();
|
||||
// Define PDK functions
|
||||
macro_rules! add_funcs {
|
||||
($($name:ident($($args:expr),*) $(-> $($r:expr),*)?);* $(;)?) => {
|
||||
$(
|
||||
let t = FuncType::new([$($args),*], [$($($r),*)?]);
|
||||
linker.func_new(EXTISM_ENV_MODULE, stringify!($name), t, pdk::$name)?;
|
||||
)*
|
||||
};
|
||||
}
|
||||
|
||||
let imports: Vec<Function> = imports.into_iter().collect();
|
||||
let (instance_pre, linker, host_context) =
|
||||
relink(&engine, &mut store, &imports, &modules, with_wasi)?;
|
||||
// Add builtins
|
||||
use wasmtime::ValType::*;
|
||||
add_funcs!(
|
||||
config_get(I64) -> I64;
|
||||
var_get(I64) -> I64;
|
||||
var_set(I64, I64);
|
||||
http_request(I64, I64) -> I64;
|
||||
http_status_code() -> I32;
|
||||
log_warn(I64);
|
||||
log_info(I64);
|
||||
log_debug(I64);
|
||||
log_error(I64);
|
||||
);
|
||||
|
||||
let mut linked = BTreeSet::new();
|
||||
linker.module(&mut store, EXTISM_ENV_MODULE, &modules[EXTISM_ENV_MODULE])?;
|
||||
linked.insert(EXTISM_ENV_MODULE.to_string());
|
||||
|
||||
// If wasi is enabled then add it to the linker
|
||||
if with_wasi {
|
||||
wasmtime_wasi::add_to_linker(&mut linker, |x: &mut CurrentPlugin| {
|
||||
&mut x.wasi.as_mut().unwrap().ctx
|
||||
})?;
|
||||
}
|
||||
|
||||
for f in &mut imports {
|
||||
let name = f.name();
|
||||
let ns = f.namespace().unwrap_or(EXTISM_USER_MODULE);
|
||||
unsafe {
|
||||
linker.func_new(ns, name, f.ty().clone(), &*(f.f.as_ref() as *const _))?;
|
||||
}
|
||||
}
|
||||
|
||||
for (name, module) in modules.iter() {
|
||||
add_module(
|
||||
&mut store,
|
||||
&mut linker,
|
||||
&mut linked,
|
||||
&modules,
|
||||
name.clone(),
|
||||
module,
|
||||
)?;
|
||||
}
|
||||
|
||||
let main = &modules[MAIN_KEY];
|
||||
let instance_pre = linker.instantiate_pre(main)?;
|
||||
let timer_tx = Timer::tx();
|
||||
let mut plugin = Plugin {
|
||||
modules,
|
||||
@@ -402,9 +349,6 @@ impl Plugin {
|
||||
store_needs_reset: false,
|
||||
debug_options,
|
||||
_functions: imports,
|
||||
error_msg: None,
|
||||
fuel,
|
||||
host_context,
|
||||
};
|
||||
|
||||
plugin.current_plugin_mut().store = &mut plugin.store;
|
||||
@@ -426,7 +370,6 @@ impl Plugin {
|
||||
if self.store_needs_reset {
|
||||
let engine = self.store.engine().clone();
|
||||
let internal = self.current_plugin_mut();
|
||||
let with_wasi = internal.wasi.is_some();
|
||||
self.store = Store::new(
|
||||
&engine,
|
||||
CurrentPlugin::new(
|
||||
@@ -437,21 +380,6 @@ impl Plugin {
|
||||
)?,
|
||||
);
|
||||
self.store.set_epoch_deadline(1);
|
||||
|
||||
if let Some(fuel) = self.fuel {
|
||||
self.store.set_fuel(fuel)?;
|
||||
}
|
||||
|
||||
let (instance_pre, linker, host_context) = relink(
|
||||
&engine,
|
||||
&mut self.store,
|
||||
&self._functions,
|
||||
&self.modules,
|
||||
with_wasi,
|
||||
)?;
|
||||
self.linker = linker;
|
||||
self.instance_pre = instance_pre;
|
||||
self.host_context = host_context;
|
||||
let store = &mut self.store as *mut _;
|
||||
let linker = &mut self.linker as *mut _;
|
||||
let current_plugin = self.current_plugin_mut();
|
||||
@@ -462,7 +390,14 @@ impl Plugin {
|
||||
.limiter(|internal| internal.memory_limiter.as_mut().unwrap());
|
||||
}
|
||||
|
||||
let main = &self.modules[MAIN_KEY];
|
||||
for (name, module) in self.modules.iter() {
|
||||
if name != MAIN_KEY {
|
||||
self.linker.module(&mut self.store, name, module)?;
|
||||
}
|
||||
}
|
||||
self.instantiations = 0;
|
||||
self.instance_pre = self.linker.instantiate_pre(main)?;
|
||||
**instance_lock = None;
|
||||
self.store_needs_reset = false;
|
||||
}
|
||||
@@ -515,7 +450,7 @@ impl Plugin {
|
||||
if let Some(f) = x.func() {
|
||||
let (params, mut results) = (f.params(), f.results());
|
||||
match (params.len(), results.len()) {
|
||||
(0, 1) => matches!(results.next(), Some(wasmtime::ValType::I32)),
|
||||
(0, 1) => results.next() == Some(wasmtime::ValType::I32),
|
||||
(0, 0) => true,
|
||||
_ => false,
|
||||
}
|
||||
@@ -527,12 +462,7 @@ impl Plugin {
|
||||
}
|
||||
|
||||
// Store input in memory and re-initialize `Internal` pointer
|
||||
pub(crate) fn set_input(
|
||||
&mut self,
|
||||
input: *const u8,
|
||||
mut len: usize,
|
||||
host_context: Option<Rooted<ExternRef>>,
|
||||
) -> Result<(), Error> {
|
||||
pub(crate) fn set_input(&mut self, input: *const u8, mut len: usize) -> Result<(), Error> {
|
||||
self.output = Output::default();
|
||||
self.clear_error()?;
|
||||
let id = self.id.to_string();
|
||||
@@ -559,27 +489,13 @@ impl Plugin {
|
||||
.linker
|
||||
.get(&mut self.store, EXTISM_ENV_MODULE, "input_set")
|
||||
{
|
||||
catch_out_of_fuel!(
|
||||
&self.store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(
|
||||
&mut self.store,
|
||||
&[Val::I64(handle.offset() as i64), Val::I64(len as i64)],
|
||||
&mut [],
|
||||
)
|
||||
.context("unable to set extism input")
|
||||
f.into_func().unwrap().call(
|
||||
&mut self.store,
|
||||
&[Val::I64(handle.offset() as i64), Val::I64(len as i64)],
|
||||
&mut [],
|
||||
)?;
|
||||
}
|
||||
|
||||
if let Some(Extern::Global(ctxt)) =
|
||||
self.linker
|
||||
.get(&mut self.store, EXTISM_ENV_MODULE, "extism_context")
|
||||
{
|
||||
ctxt.set(&mut self.store, Val::ExternRef(host_context))
|
||||
.context("unable to set extism host context")?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@@ -588,13 +504,7 @@ impl Plugin {
|
||||
let id = self.id.to_string();
|
||||
|
||||
if let Some(f) = self.linker.get(&mut self.store, EXTISM_ENV_MODULE, "reset") {
|
||||
catch_out_of_fuel!(
|
||||
&self.store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut self.store, &[], &mut [])
|
||||
.context("extism reset failed")
|
||||
)?;
|
||||
f.into_func().unwrap().call(&mut self.store, &[], &mut [])?;
|
||||
} else {
|
||||
error!(plugin = &id, "call to extism:host/env::reset failed");
|
||||
}
|
||||
@@ -670,28 +580,19 @@ impl Plugin {
|
||||
|
||||
// Initialize the guest runtime
|
||||
pub(crate) fn initialize_guest_runtime(&mut self) -> Result<(), Error> {
|
||||
let store = &mut self.store;
|
||||
let mut store = &mut self.store;
|
||||
if let Some(runtime) = &self.runtime {
|
||||
trace!(plugin = self.id.to_string(), "Plugin::initialize_runtime");
|
||||
match runtime {
|
||||
GuestRuntime::Haskell { init, reactor_init } => {
|
||||
if let Some(reactor_init) = reactor_init {
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
reactor_init
|
||||
.call(&mut *store, &[], &mut [])
|
||||
.context("failed to initialize Haskell reactor runtime")
|
||||
)?;
|
||||
reactor_init.call(&mut store, &[], &mut [])?;
|
||||
}
|
||||
let mut results = vec![Val::I32(0); init.ty(&*store).results().len()];
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
init.call(
|
||||
&mut *store,
|
||||
&[Val::I32(0), Val::I32(0)],
|
||||
results.as_mut_slice(),
|
||||
)
|
||||
.context("failed to initialize Haskell using hs_init")
|
||||
let mut results = vec![Val::null(); init.ty(&store).results().len()];
|
||||
init.call(
|
||||
&mut store,
|
||||
&[Val::I32(0), Val::I32(0)],
|
||||
results.as_mut_slice(),
|
||||
)?;
|
||||
debug!(
|
||||
plugin = self.id.to_string(),
|
||||
@@ -699,11 +600,7 @@ impl Plugin {
|
||||
);
|
||||
}
|
||||
GuestRuntime::Wasi { init } => {
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
init.call(&mut *store, &[], &mut [])
|
||||
.context("failed to initialize wasi runtime")
|
||||
)?;
|
||||
init.call(&mut store, &[], &mut [])?;
|
||||
debug!(plugin = self.id.to_string(), "initialied WASI runtime");
|
||||
}
|
||||
}
|
||||
@@ -716,32 +613,20 @@ impl Plugin {
|
||||
fn output_memory_position(&mut self) -> Result<(u64, u64), Error> {
|
||||
let out = &mut [Val::I64(0)];
|
||||
let out_len = &mut [Val::I64(0)];
|
||||
let store = &mut self.store;
|
||||
let mut store = &mut self.store;
|
||||
if let Some(f) = self
|
||||
.linker
|
||||
.get(&mut *store, EXTISM_ENV_MODULE, "output_offset")
|
||||
.get(&mut store, EXTISM_ENV_MODULE, "output_offset")
|
||||
{
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[], out)
|
||||
.context("call to set extism output offset failed")
|
||||
)?;
|
||||
f.into_func().unwrap().call(&mut store, &[], out)?;
|
||||
} else {
|
||||
anyhow::bail!("unable to set output")
|
||||
}
|
||||
if let Some(f) = self
|
||||
.linker
|
||||
.get(&mut *store, EXTISM_ENV_MODULE, "output_length")
|
||||
.get(&mut store, EXTISM_ENV_MODULE, "output_length")
|
||||
{
|
||||
catch_out_of_fuel!(
|
||||
&store,
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut *store, &[], out_len)
|
||||
.context("call to set extism output length failed")
|
||||
)?;
|
||||
f.into_func().unwrap().call(&mut store, &[], out_len)?;
|
||||
} else {
|
||||
anyhow::bail!("unable to set output length")
|
||||
}
|
||||
@@ -755,10 +640,10 @@ impl Plugin {
|
||||
fn output<'a, T: FromBytes<'a>>(&'a mut self) -> Result<T, Error> {
|
||||
let offs = self.output.offset;
|
||||
let len = self.output.length;
|
||||
let x = self
|
||||
.current_plugin_mut()
|
||||
.memory_bytes(unsafe { MemoryHandle::new(offs, len) })?;
|
||||
T::from_bytes(x)
|
||||
T::from_bytes(
|
||||
self.current_plugin_mut()
|
||||
.memory_bytes(unsafe { MemoryHandle::new(offs, len) })?,
|
||||
)
|
||||
}
|
||||
|
||||
// Cache output memory and error information after call is complete
|
||||
@@ -783,40 +668,25 @@ impl Plugin {
|
||||
|
||||
// Implements the build of the `call` function, `raw_call` is also used in the SDK
|
||||
// code
|
||||
pub(crate) fn raw_call<T: 'static + Send + Sync>(
|
||||
pub(crate) fn raw_call(
|
||||
&mut self,
|
||||
lock: &mut std::sync::MutexGuard<Option<Instance>>,
|
||||
name: impl AsRef<str>,
|
||||
input: impl AsRef<[u8]>,
|
||||
host_context: Option<T>,
|
||||
) -> Result<i32, (Error, i32)> {
|
||||
let name = name.as_ref();
|
||||
let input = input.as_ref();
|
||||
|
||||
if let Some(fuel) = self.fuel {
|
||||
self.store.set_fuel(fuel).map_err(|x| (x, -1))?;
|
||||
if let Err(e) = self.reset_store(lock) {
|
||||
error!(
|
||||
plugin = self.id.to_string(),
|
||||
"call to Plugin::reset_store failed: {e:?}"
|
||||
);
|
||||
}
|
||||
|
||||
catch_out_of_fuel!(&self.store, self.reset_store(lock)).map_err(|x| (x, -1))?;
|
||||
|
||||
self.instantiate(lock).map_err(|e| (e, -1))?;
|
||||
|
||||
// Set host context
|
||||
let r = if let Some(host_context) = host_context {
|
||||
let inner = self
|
||||
.host_context
|
||||
.data_mut(&mut self.store)
|
||||
.map_err(|x| (x, -1))?;
|
||||
if let Some(inner) = inner.downcast_mut::<Box<dyn std::any::Any + Send + Sync>>() {
|
||||
let x: Box<T> = Box::new(host_context);
|
||||
*inner = x;
|
||||
}
|
||||
Some(self.host_context)
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
self.set_input(input.as_ptr(), input.len(), r)
|
||||
self.set_input(input.as_ptr(), input.len())
|
||||
.map_err(|x| (x, -1))?;
|
||||
|
||||
let func = match self.get_func(lock, name) {
|
||||
@@ -847,63 +717,45 @@ impl Plugin {
|
||||
.expect("Timer should start");
|
||||
self.store.epoch_deadline_trap();
|
||||
self.store.set_epoch_deadline(1);
|
||||
self.current_plugin_mut().start_time = std::time::Instant::now();
|
||||
|
||||
// Call the function
|
||||
let mut results = vec![wasmtime::Val::I32(0); n_results];
|
||||
let mut results = vec![wasmtime::Val::null(); n_results];
|
||||
let mut res = func.call(self.store_mut(), &[], results.as_mut_slice());
|
||||
|
||||
// Reset host context
|
||||
if let Ok(inner) = self.host_context.data_mut(&mut self.store) {
|
||||
if let Some(inner) = inner.downcast_mut::<Box<dyn std::any::Any + Send + Sync>>() {
|
||||
let x: Box<dyn Any + Send + Sync> = Box::new(());
|
||||
*inner = x;
|
||||
}
|
||||
}
|
||||
|
||||
// Stop timer
|
||||
self.store
|
||||
.epoch_deadline_callback(|_| Ok(UpdateDeadline::Continue(1)));
|
||||
let _ = self.timer_tx.send(TimerAction::Stop { id: self.id });
|
||||
self.store_needs_reset = name == "_start";
|
||||
|
||||
// Get extism error
|
||||
self.get_output_after_call().map_err(|x| (x, -1))?;
|
||||
let mut rc = 0;
|
||||
if self.store.get_fuel().is_ok_and(|x| x == 0) {
|
||||
res = Err(Error::msg("plugin ran out of fuel"));
|
||||
rc = -1;
|
||||
} else {
|
||||
// Get extism error
|
||||
self.get_output_after_call().map_err(|x| (x, -1))?;
|
||||
if !results.is_empty() {
|
||||
rc = results[0].i32().unwrap_or(-1);
|
||||
debug!(plugin = self.id.to_string(), "got return code: {}", rc);
|
||||
}
|
||||
if !results.is_empty() {
|
||||
rc = results[0].i32().unwrap_or(-1);
|
||||
debug!(plugin = self.id.to_string(), "got return code: {}", rc);
|
||||
}
|
||||
|
||||
if self.output.error_offset != 0 && self.output.error_length != 0 {
|
||||
let handle = MemoryHandle {
|
||||
offset: self.output.error_offset,
|
||||
length: self.output.error_length,
|
||||
};
|
||||
match self.current_plugin_mut().memory_str(handle) {
|
||||
Ok(e) => {
|
||||
let x = e.to_string();
|
||||
error!(
|
||||
plugin = self.id.to_string(),
|
||||
"call to {name} returned with error message: {}", x
|
||||
);
|
||||
if let Err(e) = res {
|
||||
res = Err(Error::msg(x).context(e));
|
||||
} else {
|
||||
res = Err(Error::msg(x))
|
||||
}
|
||||
}
|
||||
Err(msg) => {
|
||||
res = Err(Error::msg(format!(
|
||||
"Call to Extism plugin function {name} encountered an error: {}",
|
||||
msg,
|
||||
)));
|
||||
}
|
||||
if self.output.error_offset != 0 && self.output.error_length != 0 {
|
||||
let handle = MemoryHandle {
|
||||
offset: self.output.error_offset,
|
||||
length: self.output.error_length,
|
||||
};
|
||||
if let Ok(e) = self.current_plugin_mut().memory_str(handle) {
|
||||
let x = e.to_string();
|
||||
error!(
|
||||
plugin = self.id.to_string(),
|
||||
"call to {name} returned with error message: {}", x
|
||||
);
|
||||
if let Err(e) = res {
|
||||
res = Err(Error::msg(x).context(e));
|
||||
} else {
|
||||
res = Err(Error::msg(x))
|
||||
}
|
||||
} else {
|
||||
res = Err(Error::msg(format!(
|
||||
"Call to Extism plugin function {name} encountered an error"
|
||||
)));
|
||||
}
|
||||
}
|
||||
|
||||
@@ -952,7 +804,13 @@ impl Plugin {
|
||||
}
|
||||
}
|
||||
|
||||
let wasi_exit_code = e.downcast_ref::<wasi_common::I32Exit>().map(|e| e.0);
|
||||
let wasi_exit_code = e
|
||||
.downcast_ref::<wasmtime_wasi::I32Exit>()
|
||||
.map(|e| e.0)
|
||||
.or_else(|| {
|
||||
e.downcast_ref::<wasmtime_wasi::preview2::I32Exit>()
|
||||
.map(|e| e.0)
|
||||
});
|
||||
if let Some(exit_code) = wasi_exit_code {
|
||||
debug!(
|
||||
plugin = self.id.to_string(),
|
||||
@@ -1015,32 +873,7 @@ impl Plugin {
|
||||
let lock = self.instance.clone();
|
||||
let mut lock = lock.lock().unwrap();
|
||||
let data = input.to_bytes()?;
|
||||
self.raw_call(&mut lock, name, data, None::<()>)
|
||||
.map_err(|e| e.0)
|
||||
.and_then(move |rc| {
|
||||
if rc != 0 {
|
||||
Err(Error::msg(format!("Returned non-zero exit code: {rc}")))
|
||||
} else {
|
||||
self.output()
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
pub fn call_with_host_context<'a, 'b, T, U, C>(
|
||||
&'b mut self,
|
||||
name: impl AsRef<str>,
|
||||
input: T,
|
||||
host_context: C,
|
||||
) -> Result<U, Error>
|
||||
where
|
||||
T: ToBytes<'a>,
|
||||
U: FromBytes<'b>,
|
||||
C: Any + Send + Sync + 'static,
|
||||
{
|
||||
let lock = self.instance.clone();
|
||||
let mut lock = lock.lock().unwrap();
|
||||
let data = input.to_bytes()?;
|
||||
self.raw_call(&mut lock, name, data, Some(host_context))
|
||||
self.raw_call(&mut lock, name, data)
|
||||
.map_err(|e| e.0)
|
||||
.and_then(move |_| self.output())
|
||||
}
|
||||
@@ -1059,7 +892,7 @@ impl Plugin {
|
||||
let lock = self.instance.clone();
|
||||
let mut lock = lock.lock().unwrap();
|
||||
let data = input.to_bytes().map_err(|e| (e, -1))?;
|
||||
self.raw_call(&mut lock, name, data, None::<()>)
|
||||
self.raw_call(&mut lock, name, data)
|
||||
.and_then(move |_| self.output().map_err(|e| (e, -1)))
|
||||
}
|
||||
|
||||
@@ -1070,21 +903,42 @@ impl Plugin {
|
||||
|
||||
pub(crate) fn clear_error(&mut self) -> Result<(), Error> {
|
||||
trace!(plugin = self.id.to_string(), "clearing error");
|
||||
self.error_msg = None;
|
||||
let (linker, mut store) = self.linker_and_store();
|
||||
#[allow(clippy::needless_borrows_for_generic_args)]
|
||||
if let Some(f) = linker.get(&mut *store, EXTISM_ENV_MODULE, "error_set") {
|
||||
let x = f
|
||||
.into_func()
|
||||
if let Some(f) = linker.get(&mut store, EXTISM_ENV_MODULE, "error_set") {
|
||||
f.into_func()
|
||||
.unwrap()
|
||||
.call(&mut store, &[Val::I64(0)], &mut [])
|
||||
.context("unable to clear error message");
|
||||
catch_out_of_fuel!(&store, x)?;
|
||||
.call(&mut store, &[Val::I64(0)], &mut [])?;
|
||||
Ok(())
|
||||
} else {
|
||||
anyhow::bail!("Plugin::clear_error failed, extism:host/env::error_set not found")
|
||||
}
|
||||
}
|
||||
|
||||
// A convenience method to set the plugin error and return a value
|
||||
pub(crate) fn return_error<E>(
|
||||
&mut self,
|
||||
instance_lock: &mut std::sync::MutexGuard<Option<Instance>>,
|
||||
e: impl std::fmt::Display,
|
||||
x: E,
|
||||
) -> E {
|
||||
if instance_lock.is_none() {
|
||||
error!(
|
||||
plugin = self.id.to_string(),
|
||||
"no instance, unable to set error: {}", e
|
||||
);
|
||||
return x;
|
||||
}
|
||||
match self.current_plugin_mut().set_error(e.to_string()) {
|
||||
Ok((a, b)) => {
|
||||
self.output.error_offset = a;
|
||||
self.output.error_length = b;
|
||||
}
|
||||
Err(e) => {
|
||||
error!(plugin = self.id.to_string(), "unable to set error: {e:?}")
|
||||
}
|
||||
}
|
||||
x
|
||||
}
|
||||
}
|
||||
|
||||
// Enumerates the PDK languages that need some additional initialization
|
||||
|
||||
@@ -39,8 +39,6 @@ pub struct PluginBuilder<'a> {
|
||||
functions: Vec<Function>,
|
||||
debug_options: DebugOptions,
|
||||
cache_config: Option<Option<PathBuf>>,
|
||||
fuel: Option<u64>,
|
||||
config: Option<wasmtime::Config>,
|
||||
}
|
||||
|
||||
impl<'a> PluginBuilder<'a> {
|
||||
@@ -52,8 +50,6 @@ impl<'a> PluginBuilder<'a> {
|
||||
functions: vec![],
|
||||
debug_options: DebugOptions::default(),
|
||||
cache_config: None,
|
||||
fuel: None,
|
||||
config: None,
|
||||
}
|
||||
}
|
||||
|
||||
@@ -64,7 +60,7 @@ impl<'a> PluginBuilder<'a> {
|
||||
}
|
||||
|
||||
/// Add a single host function
|
||||
pub fn with_function<T: 'static, F>(
|
||||
pub fn with_function<T: Sync + Clone + 'static, F>(
|
||||
mut self,
|
||||
name: impl Into<String>,
|
||||
args: impl IntoIterator<Item = ValType>,
|
||||
@@ -84,7 +80,7 @@ impl<'a> PluginBuilder<'a> {
|
||||
}
|
||||
|
||||
/// Add a single host function in a specific namespace
|
||||
pub fn with_function_in_namespace<T: 'static, F>(
|
||||
pub fn with_function_in_namespace<T: Sync + Clone + 'static, F>(
|
||||
mut self,
|
||||
namespace: impl Into<String>,
|
||||
name: impl Into<String>,
|
||||
@@ -152,30 +148,6 @@ impl<'a> PluginBuilder<'a> {
|
||||
self
|
||||
}
|
||||
|
||||
/// Limit the number of instructions that can be executed
|
||||
pub fn with_fuel_limit(mut self, fuel: u64) -> Self {
|
||||
self.fuel = Some(fuel);
|
||||
self
|
||||
}
|
||||
|
||||
/// Configure an initial wasmtime config to be passed to the plugin
|
||||
///
|
||||
/// **Warning**: some values might be overwritten by the Extism runtime. In particular:
|
||||
/// - async_support
|
||||
/// - epoch_interruption
|
||||
/// - debug_info
|
||||
/// - coredump_on_trap
|
||||
/// - profiler
|
||||
/// - wasm_tail_call
|
||||
/// - wasm_function_references
|
||||
/// - wasm_gc
|
||||
///
|
||||
/// See the implementation details of [PluginBuilder::build] and [Plugin::build_new] to verify which values are overwritten.
|
||||
pub fn with_wasmtime_config(mut self, config: wasmtime::Config) -> Self {
|
||||
self.config = Some(config);
|
||||
self
|
||||
}
|
||||
|
||||
/// Generate a new plugin with the configured settings
|
||||
pub fn build(self) -> Result<Plugin, Error> {
|
||||
Plugin::build_new(
|
||||
@@ -184,8 +156,6 @@ impl<'a> PluginBuilder<'a> {
|
||||
self.wasi,
|
||||
self.debug_options,
|
||||
self.cache_config,
|
||||
self.fuel,
|
||||
self.config,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,109 +0,0 @@
|
||||
use crate::*;
|
||||
|
||||
use wasi_common::{Error, ErrorExt};
|
||||
|
||||
pub struct ReadOnlyDir<D: wasi_common::WasiDir> {
|
||||
inner: std::sync::Arc<D>,
|
||||
}
|
||||
|
||||
impl<D: wasi_common::WasiDir> ReadOnlyDir<D> {
|
||||
pub fn new(inner: D) -> Self {
|
||||
ReadOnlyDir {
|
||||
inner: std::sync::Arc::new(inner),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[wiggle::async_trait]
|
||||
impl<D: wasi_common::WasiDir> wasi_common::WasiDir for ReadOnlyDir<D> {
|
||||
fn as_any(&self) -> &dyn std::any::Any {
|
||||
self.inner.as_any()
|
||||
}
|
||||
|
||||
async fn open_file(
|
||||
&self,
|
||||
symlink_follow: bool,
|
||||
path: &str,
|
||||
oflags: wasi_common::file::OFlags,
|
||||
read: bool,
|
||||
write: bool,
|
||||
fdflags: wasi_common::file::FdFlags,
|
||||
) -> Result<wasi_common::dir::OpenResult, Error> {
|
||||
if write {
|
||||
return Err(Error::not_supported());
|
||||
}
|
||||
self.inner
|
||||
.open_file(symlink_follow, path, oflags, read, false, fdflags)
|
||||
.await
|
||||
}
|
||||
|
||||
async fn create_dir(&self, _path: &str) -> Result<(), Error> {
|
||||
Err(Error::not_supported())
|
||||
}
|
||||
|
||||
async fn readdir(
|
||||
&self,
|
||||
cursor: wasi_common::dir::ReaddirCursor,
|
||||
) -> Result<
|
||||
Box<dyn Iterator<Item = Result<wasi_common::dir::ReaddirEntity, Error>> + Send>,
|
||||
Error,
|
||||
> {
|
||||
self.inner.readdir(cursor).await
|
||||
}
|
||||
|
||||
async fn symlink(&self, _old_path: &str, _new_path: &str) -> Result<(), Error> {
|
||||
Err(Error::not_supported())
|
||||
}
|
||||
|
||||
async fn remove_dir(&self, _path: &str) -> Result<(), Error> {
|
||||
Err(Error::not_supported())
|
||||
}
|
||||
|
||||
async fn unlink_file(&self, _path: &str) -> Result<(), Error> {
|
||||
Err(Error::not_supported())
|
||||
}
|
||||
|
||||
async fn read_link(&self, path: &str) -> Result<std::path::PathBuf, Error> {
|
||||
self.inner.read_link(path).await
|
||||
}
|
||||
|
||||
async fn get_filestat(&self) -> Result<wasi_common::file::Filestat, Error> {
|
||||
self.inner.get_filestat().await
|
||||
}
|
||||
|
||||
async fn get_path_filestat(
|
||||
&self,
|
||||
path: &str,
|
||||
follow_symlinks: bool,
|
||||
) -> Result<wasi_common::file::Filestat, Error> {
|
||||
self.inner.get_path_filestat(path, follow_symlinks).await
|
||||
}
|
||||
|
||||
async fn rename(
|
||||
&self,
|
||||
_path: &str,
|
||||
_dest_dir: &dyn wasi_common::WasiDir,
|
||||
_dest_path: &str,
|
||||
) -> Result<(), Error> {
|
||||
Err(wasi_common::Error::not_supported())
|
||||
}
|
||||
|
||||
async fn hard_link(
|
||||
&self,
|
||||
_path: &str,
|
||||
_target_dir: &dyn wasi_common::WasiDir,
|
||||
_target_path: &str,
|
||||
) -> Result<(), Error> {
|
||||
Err(wasi_common::Error::not_supported())
|
||||
}
|
||||
|
||||
async fn set_times(
|
||||
&self,
|
||||
_path: &str,
|
||||
_atime: std::option::Option<wasi_common::SystemTimeSpec>,
|
||||
_mtime: std::option::Option<wasi_common::SystemTimeSpec>,
|
||||
_follow_symlinks: bool,
|
||||
) -> Result<(), Error> {
|
||||
Err(wasi_common::Error::not_supported())
|
||||
}
|
||||
}
|
||||
@@ -1,6 +1,6 @@
|
||||
#![allow(clippy::missing_safety_doc)]
|
||||
|
||||
use std::{os::raw::c_char, ptr::null_mut};
|
||||
use std::os::raw::c_char;
|
||||
|
||||
use crate::*;
|
||||
|
||||
@@ -11,12 +11,6 @@ pub struct ExtismFunction(std::cell::Cell<Option<Function>>);
|
||||
/// The return code used to specify a successful plugin call
|
||||
pub static EXTISM_SUCCESS: i32 = 0;
|
||||
|
||||
fn make_error_msg(s: String) -> Vec<u8> {
|
||||
let mut s = s.into_bytes();
|
||||
s.push(0);
|
||||
s
|
||||
}
|
||||
|
||||
/// A union type for host function argument/return values
|
||||
#[repr(C)]
|
||||
pub union ValUnion {
|
||||
@@ -47,9 +41,9 @@ pub type ExtismFunctionType = extern "C" fn(
|
||||
/// Log drain callback
|
||||
pub type ExtismLogDrainFunctionType = extern "C" fn(data: *const std::ffi::c_char, size: Size);
|
||||
|
||||
impl ExtismVal {
|
||||
fn from_val(value: &wasmtime::Val, ctx: impl AsContext) -> Self {
|
||||
match value.ty(ctx) {
|
||||
impl From<&wasmtime::Val> for ExtismVal {
|
||||
fn from(value: &wasmtime::Val) -> Self {
|
||||
match value.ty() {
|
||||
wasmtime::ValType::I32 => ExtismVal {
|
||||
t: ValType::I32,
|
||||
v: ValUnion {
|
||||
@@ -90,24 +84,6 @@ pub unsafe extern "C" fn extism_plugin_id(plugin: *mut Plugin) -> *const u8 {
|
||||
plugin.id.as_bytes().as_ptr()
|
||||
}
|
||||
|
||||
/// Get the current plugin's associated host context data. Returns null if call was made without
|
||||
/// host context.
|
||||
#[no_mangle]
|
||||
pub unsafe extern "C" fn extism_current_plugin_host_context(
|
||||
plugin: *mut CurrentPlugin,
|
||||
) -> *mut std::ffi::c_void {
|
||||
if plugin.is_null() {
|
||||
return std::ptr::null_mut();
|
||||
}
|
||||
|
||||
let plugin = &mut *plugin;
|
||||
if let Ok(CVoidContainer(ptr)) = plugin.host_context::<CVoidContainer>() {
|
||||
*ptr
|
||||
} else {
|
||||
std::ptr::null_mut()
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns a pointer to the memory of the currently running plugin
|
||||
/// NOTE: this should only be called from host functions.
|
||||
#[no_mangle]
|
||||
@@ -224,11 +200,7 @@ pub unsafe extern "C" fn extism_function_new(
|
||||
output_types.clone(),
|
||||
user_data,
|
||||
move |plugin, inputs, outputs, user_data| {
|
||||
let store = &*plugin.store;
|
||||
let inputs: Vec<_> = inputs
|
||||
.iter()
|
||||
.map(|x| ExtismVal::from_val(x, store))
|
||||
.collect();
|
||||
let inputs: Vec<_> = inputs.iter().map(ExtismVal::from).collect();
|
||||
let mut output_tmp: Vec<_> = output_types
|
||||
.iter()
|
||||
.map(|t| ExtismVal {
|
||||
@@ -237,28 +209,12 @@ pub unsafe extern "C" fn extism_function_new(
|
||||
})
|
||||
.collect();
|
||||
|
||||
// We cannot simply "get" the Vec's storage pointer because
|
||||
// the underlying storage might be invalid when the Vec is empty.
|
||||
// In that case, we return (null, 0).
|
||||
|
||||
let (inputs_ptr, inputs_len) = if inputs.is_empty() {
|
||||
(core::ptr::null(), 0 as Size)
|
||||
} else {
|
||||
(inputs.as_ptr(), inputs.len() as Size)
|
||||
};
|
||||
|
||||
let (output_ptr, output_len) = if output_tmp.is_empty() {
|
||||
(null_mut(), 0 as Size)
|
||||
} else {
|
||||
(output_tmp.as_mut_ptr(), output_tmp.len() as Size)
|
||||
};
|
||||
|
||||
func(
|
||||
plugin,
|
||||
inputs_ptr,
|
||||
inputs_len,
|
||||
output_ptr,
|
||||
output_len,
|
||||
inputs.as_ptr(),
|
||||
inputs.len() as Size,
|
||||
output_tmp.as_mut_ptr(),
|
||||
output_tmp.len() as Size,
|
||||
user_data.as_ptr(),
|
||||
);
|
||||
|
||||
@@ -356,67 +312,6 @@ pub unsafe extern "C" fn extism_plugin_new(
|
||||
}
|
||||
}
|
||||
|
||||
/// Create a new plugin and set the number of instructions a plugin is allowed to execute
|
||||
#[no_mangle]
|
||||
pub unsafe extern "C" fn extism_plugin_new_with_fuel_limit(
|
||||
wasm: *const u8,
|
||||
wasm_size: Size,
|
||||
functions: *mut *const ExtismFunction,
|
||||
n_functions: Size,
|
||||
with_wasi: bool,
|
||||
fuel_limit: u64,
|
||||
errmsg: *mut *mut std::ffi::c_char,
|
||||
) -> *mut Plugin {
|
||||
trace!(
|
||||
"Call to extism_plugin_new_with_fuel_limit with wasm pointer {:?}",
|
||||
wasm
|
||||
);
|
||||
let data = std::slice::from_raw_parts(wasm, wasm_size as usize);
|
||||
let mut funcs = vec![];
|
||||
|
||||
if !functions.is_null() {
|
||||
for i in 0..n_functions {
|
||||
unsafe {
|
||||
let f = *functions.add(i as usize);
|
||||
if f.is_null() {
|
||||
continue;
|
||||
}
|
||||
if let Some(f) = (*f).0.take() {
|
||||
funcs.push(f);
|
||||
} else {
|
||||
let e = std::ffi::CString::new(
|
||||
"Function cannot be registered with multiple different Plugins",
|
||||
)
|
||||
.unwrap();
|
||||
*errmsg = e.into_raw();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let plugin = Plugin::build_new(
|
||||
data.into(),
|
||||
funcs,
|
||||
with_wasi,
|
||||
Default::default(),
|
||||
None,
|
||||
Some(fuel_limit),
|
||||
None,
|
||||
);
|
||||
|
||||
match plugin {
|
||||
Err(e) => {
|
||||
if !errmsg.is_null() {
|
||||
let e = std::ffi::CString::new(format!("Unable to create Extism plugin: {}", e))
|
||||
.unwrap();
|
||||
*errmsg = e.into_raw();
|
||||
}
|
||||
std::ptr::null_mut()
|
||||
}
|
||||
Ok(p) => Box::into_raw(Box::new(p)),
|
||||
}
|
||||
}
|
||||
|
||||
/// Free the error returned by `extism_plugin_new`, errors returned from `extism_plugin_error` don't need to be freed
|
||||
#[no_mangle]
|
||||
pub unsafe extern "C" fn extism_plugin_new_error_free(err: *mut std::ffi::c_char) {
|
||||
@@ -477,6 +372,8 @@ pub unsafe extern "C" fn extism_plugin_config(
|
||||
return false;
|
||||
}
|
||||
let plugin = &mut *plugin;
|
||||
let _lock = plugin.instance.clone();
|
||||
let mut lock = _lock.lock().unwrap();
|
||||
|
||||
trace!(
|
||||
plugin = plugin.id.to_string(),
|
||||
@@ -487,11 +384,25 @@ pub unsafe extern "C" fn extism_plugin_config(
|
||||
let json: std::collections::BTreeMap<String, Option<String>> =
|
||||
match serde_json::from_slice(data) {
|
||||
Ok(x) => x,
|
||||
Err(_) => {
|
||||
return false;
|
||||
Err(e) => {
|
||||
return plugin.return_error(&mut lock, e, false);
|
||||
}
|
||||
};
|
||||
|
||||
let wasi = &mut plugin.current_plugin_mut().wasi;
|
||||
if let Some(Wasi { ctx, .. }) = wasi {
|
||||
for (k, v) in json.iter() {
|
||||
match v {
|
||||
Some(v) => {
|
||||
let _ = ctx.push_env(k, v);
|
||||
}
|
||||
None => {
|
||||
let _ = ctx.push_env(k, "");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let id = plugin.id;
|
||||
let config = &mut plugin.current_plugin_mut().manifest.config;
|
||||
for (k, v) in json.into_iter() {
|
||||
@@ -521,6 +432,9 @@ pub unsafe extern "C" fn extism_plugin_function_exists(
|
||||
return false;
|
||||
}
|
||||
let plugin = &mut *plugin;
|
||||
let _lock = plugin.instance.clone();
|
||||
let mut lock = _lock.lock().unwrap();
|
||||
|
||||
let name = std::ffi::CStr::from_ptr(func_name);
|
||||
trace!(
|
||||
plugin = plugin.id.to_string(),
|
||||
@@ -530,8 +444,8 @@ pub unsafe extern "C" fn extism_plugin_function_exists(
|
||||
|
||||
let name = match name.to_str() {
|
||||
Ok(x) => x,
|
||||
Err(_) => {
|
||||
return false;
|
||||
Err(e) => {
|
||||
return plugin.return_error(&mut lock, e, false);
|
||||
}
|
||||
};
|
||||
|
||||
@@ -550,31 +464,6 @@ pub unsafe extern "C" fn extism_plugin_call(
|
||||
func_name: *const c_char,
|
||||
data: *const u8,
|
||||
data_len: Size,
|
||||
) -> i32 {
|
||||
extism_plugin_call_with_host_context(plugin, func_name, data, data_len, std::ptr::null_mut())
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
#[repr(transparent)]
|
||||
struct CVoidContainer(*mut std::ffi::c_void);
|
||||
|
||||
// "You break it, you buy it."
|
||||
unsafe impl Send for CVoidContainer {}
|
||||
unsafe impl Sync for CVoidContainer {}
|
||||
|
||||
/// Call a function with host context.
|
||||
///
|
||||
/// `func_name`: is the function to call
|
||||
/// `data`: is the input data
|
||||
/// `data_len`: is the length of `data`
|
||||
/// `host_context`: a pointer to context data that will be available in host functions
|
||||
#[no_mangle]
|
||||
pub unsafe extern "C" fn extism_plugin_call_with_host_context(
|
||||
plugin: *mut Plugin,
|
||||
func_name: *const c_char,
|
||||
data: *const u8,
|
||||
data_len: Size,
|
||||
host_context: *mut std::ffi::c_void,
|
||||
) -> i32 {
|
||||
if plugin.is_null() {
|
||||
return -1;
|
||||
@@ -587,10 +476,7 @@ pub unsafe extern "C" fn extism_plugin_call_with_host_context(
|
||||
let name = std::ffi::CStr::from_ptr(func_name);
|
||||
let name = match name.to_str() {
|
||||
Ok(name) => name,
|
||||
Err(e) => {
|
||||
plugin.error_msg = Some(make_error_msg(e.to_string()));
|
||||
return -1;
|
||||
}
|
||||
Err(e) => return plugin.return_error(&mut lock, e, -1),
|
||||
};
|
||||
|
||||
trace!(
|
||||
@@ -599,17 +485,10 @@ pub unsafe extern "C" fn extism_plugin_call_with_host_context(
|
||||
name
|
||||
);
|
||||
let input = std::slice::from_raw_parts(data, data_len as usize);
|
||||
let r = if host_context.is_null() {
|
||||
None
|
||||
} else {
|
||||
Some(CVoidContainer(host_context))
|
||||
};
|
||||
let res = plugin.raw_call(&mut lock, name, input, r);
|
||||
let res = plugin.raw_call(&mut lock, name, input);
|
||||
|
||||
match res {
|
||||
Err((e, rc)) => {
|
||||
plugin.error_msg = Some(make_error_msg(e.to_string()));
|
||||
rc
|
||||
}
|
||||
Err((e, rc)) => plugin.return_error(&mut lock, e, rc),
|
||||
Ok(x) => x,
|
||||
}
|
||||
}
|
||||
@@ -632,26 +511,14 @@ pub unsafe extern "C" fn extism_plugin_error(plugin: *mut Plugin) -> *const c_ch
|
||||
let _lock = _lock.lock().unwrap();
|
||||
|
||||
if plugin.output.error_offset == 0 {
|
||||
if let Some(err) = &plugin.error_msg {
|
||||
return err.as_ptr() as *const _;
|
||||
}
|
||||
trace!(plugin = plugin.id.to_string(), "error is NULL");
|
||||
return std::ptr::null();
|
||||
}
|
||||
|
||||
let offs = plugin.output.error_offset;
|
||||
|
||||
let ptr = plugin.current_plugin_mut().memory_ptr().add(offs as usize) as *const _;
|
||||
|
||||
let len = plugin
|
||||
plugin
|
||||
.current_plugin_mut()
|
||||
.memory_length(offs)
|
||||
.unwrap_or_default();
|
||||
|
||||
let mut data = std::slice::from_raw_parts(ptr, len as usize).to_vec();
|
||||
data.push(0);
|
||||
plugin.error_msg = Some(data);
|
||||
plugin.error_msg.as_ref().unwrap().as_ptr() as *const _
|
||||
.memory_ptr()
|
||||
.add(plugin.output.error_offset as usize) as *const _
|
||||
}
|
||||
|
||||
/// Get the length of a plugin's output data
|
||||
@@ -726,6 +593,7 @@ pub unsafe extern "C" fn extism_log_file(
|
||||
fn set_log_file(log_file: impl Into<std::path::PathBuf>, filter: &str) -> Result<(), Error> {
|
||||
let log_file = log_file.into();
|
||||
let s = log_file.to_str();
|
||||
|
||||
let is_level = tracing::Level::from_str(filter).is_ok();
|
||||
let cfg = tracing_subscriber::FmtSubscriber::builder().with_env_filter({
|
||||
let x = tracing_subscriber::EnvFilter::builder()
|
||||
@@ -776,7 +644,6 @@ pub unsafe extern "C" fn extism_log_custom(log_level: *const c_char) -> bool {
|
||||
} else {
|
||||
"error"
|
||||
};
|
||||
|
||||
set_log_buffer(level).is_ok()
|
||||
}
|
||||
|
||||
@@ -804,7 +671,7 @@ unsafe fn set_log_buffer(filter: &str) -> Result<(), Error> {
|
||||
/// Calls the provided callback function for each buffered log line.
|
||||
/// This is only needed when `extism_log_custom` is used.
|
||||
pub unsafe extern "C" fn extism_log_drain(handler: ExtismLogDrainFunctionType) {
|
||||
if let Some(buf) = LOG_BUFFER.as_mut() {
|
||||
if let Some(buf) = &mut LOG_BUFFER {
|
||||
if let Ok(mut buf) = buf.buffer.lock() {
|
||||
for (line, len) in buf.drain(..) {
|
||||
handler(line.as_ptr(), len as u64);
|
||||
|
||||
@@ -1 +0,0 @@
|
||||
hello world!
|
||||
@@ -3,32 +3,36 @@ use quickcheck::*;
|
||||
|
||||
const KERNEL: &[u8] = include_bytes!("../extism-runtime.wasm");
|
||||
|
||||
fn extism_alloc<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, n: u64) -> u64 {
|
||||
fn extism_alloc<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance, n: u64) -> u64 {
|
||||
let out_alloc = &mut [Val::I64(0)];
|
||||
instance
|
||||
.get_func(&mut *store, "alloc")
|
||||
.get_func(&mut store, "alloc")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(n as i64)], out_alloc)
|
||||
.call(&mut store, &[Val::I64(n as i64)], out_alloc)
|
||||
.unwrap();
|
||||
out_alloc[0].unwrap_i64() as u64
|
||||
}
|
||||
|
||||
fn extism_length<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) -> u64 {
|
||||
fn extism_length<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) -> u64 {
|
||||
let out = &mut [Val::I64(0)];
|
||||
instance
|
||||
.get_func(&mut *store, "length")
|
||||
.get_func(&mut store, "length")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64)], out)
|
||||
.call(&mut store, &[Val::I64(p as i64)], out)
|
||||
.unwrap();
|
||||
out[0].unwrap_i64() as u64
|
||||
}
|
||||
|
||||
fn extism_length_unsafe<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) -> u64 {
|
||||
fn extism_length_unsafe<T>(
|
||||
mut store: &mut wasmtime::Store<T>,
|
||||
instance: &mut Instance,
|
||||
p: u64,
|
||||
) -> u64 {
|
||||
let out = &mut [Val::I64(0)];
|
||||
instance
|
||||
.get_func(&mut *store, "length_unsafe")
|
||||
.get_func(&mut store, "length_unsafe")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64)], out)
|
||||
.call(&mut store, &[Val::I64(p as i64)], out)
|
||||
.unwrap();
|
||||
out[0].unwrap_i64() as u64
|
||||
}
|
||||
@@ -43,96 +47,122 @@ fn extism_load_u8<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance
|
||||
out[0].unwrap_i32() as u8
|
||||
}
|
||||
|
||||
fn extism_load_u64<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) -> u64 {
|
||||
fn extism_load_u64<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) -> u64 {
|
||||
let out = &mut [Val::I32(0)];
|
||||
instance
|
||||
.get_func(&mut *store, "load_u64")
|
||||
.get_func(&mut store, "load_u64")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64)], out)
|
||||
.call(&mut store, &[Val::I64(p as i64)], out)
|
||||
.unwrap();
|
||||
out[0].unwrap_i64() as u64
|
||||
}
|
||||
|
||||
fn extism_input_load_u8<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) -> u8 {
|
||||
fn extism_input_load_u8<T>(
|
||||
mut store: &mut wasmtime::Store<T>,
|
||||
instance: &mut Instance,
|
||||
p: u64,
|
||||
) -> u8 {
|
||||
let out = &mut [Val::I32(0)];
|
||||
instance
|
||||
.get_func(&mut *store, "input_load_u8")
|
||||
.get_func(&mut store, "input_load_u8")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64)], out)
|
||||
.call(&mut store, &[Val::I64(p as i64)], out)
|
||||
.unwrap();
|
||||
out[0].unwrap_i32() as u8
|
||||
}
|
||||
|
||||
fn extism_input_load_u64<T>(
|
||||
store: &mut wasmtime::Store<T>,
|
||||
mut store: &mut wasmtime::Store<T>,
|
||||
instance: &mut Instance,
|
||||
p: u64,
|
||||
) -> u64 {
|
||||
let out = &mut [Val::I32(0)];
|
||||
instance
|
||||
.get_func(&mut *store, "input_load_u64")
|
||||
.get_func(&mut store, "input_load_u64")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64)], out)
|
||||
.call(&mut store, &[Val::I64(p as i64)], out)
|
||||
.unwrap();
|
||||
out[0].unwrap_i64() as u64
|
||||
}
|
||||
|
||||
fn extism_store_u8<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64, x: u8) {
|
||||
fn extism_store_u8<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64, x: u8) {
|
||||
instance
|
||||
.get_func(&mut *store, "store_u8")
|
||||
.get_func(&mut store, "store_u8")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64), Val::I32(x as i32)], &mut [])
|
||||
.call(
|
||||
&mut store,
|
||||
&[Val::I64(p as i64), Val::I32(x as i32)],
|
||||
&mut [],
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
fn extism_store_u64<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64, x: u64) {
|
||||
fn extism_store_u64<T>(
|
||||
mut store: &mut wasmtime::Store<T>,
|
||||
instance: &mut Instance,
|
||||
p: u64,
|
||||
x: u64,
|
||||
) {
|
||||
instance
|
||||
.get_func(&mut *store, "store_u64")
|
||||
.get_func(&mut store, "store_u64")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64), Val::I64(x as i64)], &mut [])
|
||||
.call(
|
||||
&mut store,
|
||||
&[Val::I64(p as i64), Val::I64(x as i64)],
|
||||
&mut [],
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
fn extism_free<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) {
|
||||
fn extism_free<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) {
|
||||
instance
|
||||
.get_func(&mut *store, "free")
|
||||
.get_func(&mut store, "free")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64)], &mut [])
|
||||
.call(&mut store, &[Val::I64(p as i64)], &mut [])
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
fn extism_error_set<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) {
|
||||
fn extism_error_set<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64) {
|
||||
instance
|
||||
.get_func(&mut *store, "error_set")
|
||||
.get_func(&mut store, "error_set")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64)], &mut [])
|
||||
.call(&mut store, &[Val::I64(p as i64)], &mut [])
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
fn extism_error_get<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance) -> u64 {
|
||||
fn extism_error_get<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance) -> u64 {
|
||||
let out = &mut [Val::I64(0)];
|
||||
instance
|
||||
.get_func(&mut *store, "error_get")
|
||||
.get_func(&mut store, "error_get")
|
||||
.unwrap()
|
||||
.call(store, &[], out)
|
||||
.call(&mut store, &[], out)
|
||||
.unwrap();
|
||||
|
||||
out[0].unwrap_i64() as u64
|
||||
}
|
||||
|
||||
fn extism_reset<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance) {
|
||||
fn extism_reset<T>(mut store: &mut wasmtime::Store<T>, instance: &mut Instance) {
|
||||
instance
|
||||
.get_func(&mut *store, "reset")
|
||||
.get_func(&mut store, "reset")
|
||||
.unwrap()
|
||||
.call(store, &[], &mut [])
|
||||
.call(&mut store, &[], &mut [])
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
fn extism_input_set<T>(store: &mut wasmtime::Store<T>, instance: &mut Instance, p: u64, l: u64) {
|
||||
fn extism_input_set<T>(
|
||||
mut store: &mut wasmtime::Store<T>,
|
||||
instance: &mut Instance,
|
||||
p: u64,
|
||||
l: u64,
|
||||
) {
|
||||
instance
|
||||
.get_func(&mut *store, "input_set")
|
||||
.get_func(&mut store, "input_set")
|
||||
.unwrap()
|
||||
.call(store, &[Val::I64(p as i64), Val::I64(l as i64)], &mut [])
|
||||
.call(
|
||||
&mut store,
|
||||
&[Val::I64(p as i64), Val::I64(l as i64)],
|
||||
&mut [],
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
@@ -153,29 +183,9 @@ fn test_kernel_allocations() {
|
||||
// Test allocations
|
||||
assert_eq!(extism_alloc(&mut store, instance, 0), 0);
|
||||
|
||||
// 512 bytes, test block re-use + splitting
|
||||
let p = extism_alloc(&mut store, instance, 65535);
|
||||
let first_alloc = p;
|
||||
assert_eq!(extism_length(&mut store, instance, p), 65535);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 1), 0);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 2), 0);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 3), 0);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 4), 0);
|
||||
extism_free(&mut store, instance, p);
|
||||
|
||||
// Should re-use the previous block
|
||||
let q = extism_alloc(&mut store, instance, 65535);
|
||||
assert_eq!(q, p);
|
||||
assert_eq!(extism_length(&mut store, instance, q), 65535);
|
||||
extism_free(&mut store, instance, q);
|
||||
|
||||
let r = extism_alloc(&mut store, instance, 65535 - 24);
|
||||
assert_eq!(r, q);
|
||||
assert_eq!(extism_length(&mut store, instance, q), 65535 - 24);
|
||||
extism_free(&mut store, instance, r);
|
||||
|
||||
// 1 byte
|
||||
let p = extism_alloc(&mut store, instance, 1);
|
||||
let first_alloc = p;
|
||||
assert!(p > 0);
|
||||
assert_eq!(extism_length(&mut store, instance, p), 1);
|
||||
assert_eq!(extism_length_unsafe(&mut store, instance, p), 1);
|
||||
@@ -195,8 +205,37 @@ fn test_kernel_allocations() {
|
||||
assert_eq!(extism_length(&mut store, instance, p), 64 - i);
|
||||
assert_eq!(extism_length_unsafe(&mut store, instance, p), 64 - i);
|
||||
extism_free(&mut store, instance, p);
|
||||
|
||||
// should re-use the last allocation
|
||||
let q = extism_alloc(&mut store, instance, 64 - i);
|
||||
assert_eq!(p, q);
|
||||
assert_eq!(extism_length(&mut store, instance, q), 64 - i);
|
||||
assert_eq!(extism_length_unsafe(&mut store, instance, q), 64 - i);
|
||||
extism_free(&mut store, instance, q);
|
||||
}
|
||||
|
||||
// 512 bytes, test block re-use + splitting
|
||||
let p = extism_alloc(&mut store, instance, 512);
|
||||
assert_eq!(extism_length(&mut store, instance, p), 512);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 1), 0);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 2), 0);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 3), 0);
|
||||
assert_eq!(extism_length(&mut store, instance, p + 4), 0);
|
||||
extism_free(&mut store, instance, p);
|
||||
|
||||
// 128 bytes, should be split off the 512 byte block
|
||||
let q = extism_alloc(&mut store, instance, 128);
|
||||
assert!(p <= q && q < p + 512);
|
||||
assert_eq!(extism_length(&mut store, instance, q), 128);
|
||||
extism_free(&mut store, instance, q);
|
||||
|
||||
// 128 bytes, same as above
|
||||
let r = extism_alloc(&mut store, instance, 128);
|
||||
assert!(p <= r && r < p + 512);
|
||||
assert!(r > p);
|
||||
assert_eq!(extism_length(&mut store, instance, r), 128);
|
||||
extism_free(&mut store, instance, q);
|
||||
|
||||
// 100 pages
|
||||
let p = extism_alloc(&mut store, instance, 6553600);
|
||||
assert!(p > 0);
|
||||
|
||||
@@ -9,7 +9,6 @@ const WASM_LOOP: &[u8] = include_bytes!("../../../wasm/loop.wasm");
|
||||
const WASM_GLOBALS: &[u8] = include_bytes!("../../../wasm/globals.wasm");
|
||||
const WASM_REFLECT: &[u8] = include_bytes!("../../../wasm/reflect.wasm");
|
||||
const WASM_HTTP: &[u8] = include_bytes!("../../../wasm/http.wasm");
|
||||
const WASM_FS: &[u8] = include_bytes!("../../../wasm/read_write.wasm");
|
||||
|
||||
host_fn!(pub hello_world (a: String) -> String { Ok(a) });
|
||||
|
||||
@@ -241,51 +240,6 @@ fn test_timeout() {
|
||||
assert!(err == "timeout");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_fuel() {
|
||||
let manifest = Manifest::new([extism_manifest::Wasm::data(WASM_LOOP)]);
|
||||
let mut plugin = PluginBuilder::new(manifest)
|
||||
.with_wasi(true)
|
||||
.with_fuel_limit(1)
|
||||
.build()
|
||||
.unwrap();
|
||||
for _ in 0..10001 {
|
||||
let output: Result<&[u8], Error> = plugin.call("loop_forever", "abc123");
|
||||
let err = output.unwrap_err().root_cause().to_string();
|
||||
println!("Fuel limited plugin exited with error: {:?}", &err);
|
||||
assert!(err.contains("fuel"));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
#[cfg(feature = "http")]
|
||||
fn test_http_timeout() {
|
||||
let f = Function::new(
|
||||
"hello_world",
|
||||
[PTR],
|
||||
[PTR],
|
||||
UserData::default(),
|
||||
hello_world,
|
||||
);
|
||||
|
||||
let manifest = Manifest::new([extism_manifest::Wasm::data(WASM_HTTP)])
|
||||
.with_timeout(std::time::Duration::from_millis(1))
|
||||
.with_allowed_host("www.extism.org");
|
||||
let mut plugin = Plugin::new(manifest, [f], true).unwrap();
|
||||
|
||||
let start = std::time::Instant::now();
|
||||
let output: Result<&[u8], Error> =
|
||||
plugin.call("http_request", r#"{"url": "https://www.extism.org"}"#);
|
||||
let end = std::time::Instant::now();
|
||||
let time = end - start;
|
||||
let err = output.unwrap_err().root_cause().to_string();
|
||||
println!(
|
||||
"Timed out plugin ran for {:?}, with error: {:?}",
|
||||
time, &err
|
||||
);
|
||||
assert!(err == "timeout");
|
||||
}
|
||||
|
||||
typed_plugin!(pub TestTypedPluginGenerics {
|
||||
count_vowels<T: FromBytes<'a>>(&str) -> T
|
||||
});
|
||||
@@ -334,10 +288,8 @@ fn test_multiple_instantiations() {
|
||||
#[test]
|
||||
fn test_globals() {
|
||||
let mut plugin = Plugin::new(WASM_GLOBALS, [], true).unwrap();
|
||||
for i in 0..100001 {
|
||||
let Json(count) = plugin
|
||||
.call_with_host_context::<_, Json<Count>, _>("globals", "", ())
|
||||
.unwrap();
|
||||
for i in 0..100000 {
|
||||
let Json(count) = plugin.call::<_, Json<Count>>("globals", "").unwrap();
|
||||
assert_eq!(count.count, i);
|
||||
}
|
||||
}
|
||||
@@ -355,42 +307,6 @@ fn test_toml_manifest() {
|
||||
assert_eq!(count.get("count").unwrap().as_i64().unwrap(), 1);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_call_with_host_context() {
|
||||
#[derive(Clone)]
|
||||
struct Foo {
|
||||
message: String,
|
||||
}
|
||||
|
||||
let f = Function::new(
|
||||
"host_reflect",
|
||||
[PTR],
|
||||
[PTR],
|
||||
UserData::default(),
|
||||
|current_plugin, _val, ret, _user_data: UserData<()>| {
|
||||
let foo = current_plugin.host_context::<Foo>()?.clone();
|
||||
let hnd = current_plugin.memory_new(foo.message)?;
|
||||
ret[0] = current_plugin.memory_to_val(hnd);
|
||||
Ok(())
|
||||
},
|
||||
);
|
||||
|
||||
let mut plugin = Plugin::new(WASM_REFLECT, [f], true).unwrap();
|
||||
|
||||
let message = "hello world";
|
||||
let output: String = plugin
|
||||
.call_with_host_context(
|
||||
"reflect",
|
||||
"anything, really",
|
||||
Foo {
|
||||
message: message.to_string(),
|
||||
},
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
assert_eq!(output, message);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_fuzz_reflect_plugin() {
|
||||
// assert!(set_log_file("stdout", Some(log::Level::Trace)));
|
||||
@@ -537,7 +453,7 @@ fn hello_world_user_data(
|
||||
_plugin: &mut CurrentPlugin,
|
||||
inputs: &[Val],
|
||||
outputs: &mut [Val],
|
||||
user_data: UserData<std::fs::File>,
|
||||
user_data: UserData<std::sync::Arc<std::sync::Mutex<std::fs::File>>>,
|
||||
) -> Result<(), Error> {
|
||||
let data = user_data.get()?;
|
||||
let mut data = data.lock().unwrap();
|
||||
@@ -554,7 +470,8 @@ fn test_userdata() {
|
||||
if path.exists() {
|
||||
std::fs::remove_file(&path).unwrap();
|
||||
}
|
||||
let file = std::fs::File::create(&path).unwrap();
|
||||
let file =
|
||||
std::sync::Arc::new(std::sync::Mutex::new(std::fs::File::create(&path).unwrap()));
|
||||
let f = Function::new(
|
||||
"hello_world",
|
||||
[PTR],
|
||||
@@ -770,26 +687,3 @@ fn test_linking() {
|
||||
assert_eq!(plugin.call::<&str, i64>("run", "Hello, world!").unwrap(), 1);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_readonly_dirs() {
|
||||
let wasm = Wasm::data(WASM_FS);
|
||||
let manifest = Manifest::new([wasm])
|
||||
.with_allowed_path("ro:src/tests/data".to_string(), "/data")
|
||||
.with_config_key("path", "/data/data.txt");
|
||||
|
||||
let mut plugin = PluginBuilder::new(manifest)
|
||||
.with_wasi(true)
|
||||
.build()
|
||||
.unwrap();
|
||||
|
||||
let res = plugin.call::<&str, &str>("try_read", "").unwrap();
|
||||
assert_eq!(res, "hello world!");
|
||||
|
||||
let line = "hello world 2";
|
||||
let res2 = plugin.call::<&str, &str>("try_write", line);
|
||||
assert!(
|
||||
res2.is_err(),
|
||||
"Expected try_write to fail, but it succeeded."
|
||||
);
|
||||
}
|
||||
|
||||
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Binary file not shown.
Reference in New Issue
Block a user