mirror of
https://github.com/googleapis/genai-toolbox.git
synced 2026-02-08 14:15:36 -05:00
efe9e8bc97
Moves all of the "source" and "tool" implementations into their own packages. This layout makes it a bit more clear where the implementations are, and seems likely to scale more cleanly as more sources and tools are added.
124 lines
3.4 KiB
Go
124 lines
3.4 KiB
Go
// Copyright 2024 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package server
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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"strconv"
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"time"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/googleapis/genai-toolbox/internal/sources"
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"github.com/googleapis/genai-toolbox/internal/tools"
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)
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// Server contains info for running an instance of Toolbox. Should be instantiated with NewServer().
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type Server struct {
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conf ServerConfig
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root chi.Router
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sources map[string]sources.Source
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tools map[string]tools.Tool
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toolsets map[string]tools.Toolset
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}
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// NewServer returns a Server object based on provided Config.
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func NewServer(cfg ServerConfig) (*Server, error) {
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r := chi.NewRouter()
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r.Use(middleware.Logger)
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r.Use(middleware.Recoverer)
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r.Get("/", func(w http.ResponseWriter, r *http.Request) {
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_, _ = w.Write([]byte("🧰 Hello world! 🧰"))
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})
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// initalize and validate the sources
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sourcesMap := make(map[string]sources.Source)
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for name, sc := range cfg.SourceConfigs {
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s, err := sc.Initialize()
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if err != nil {
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return nil, fmt.Errorf("unable to initialize source %q: %w", name, err)
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}
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sourcesMap[name] = s
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}
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fmt.Printf("Initalized %d sources.\n", len(sourcesMap))
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// initalize and validate the tools
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toolsMap := make(map[string]tools.Tool)
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for name, tc := range cfg.ToolConfigs {
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t, err := tc.Initialize(sourcesMap)
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if err != nil {
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return nil, fmt.Errorf("unable to initialize tool %q: %w", name, err)
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}
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toolsMap[name] = t
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}
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fmt.Printf("Initalized %d tools.\n", len(toolsMap))
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// create a default toolset that contains all tools
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allToolNames := make([]string, 0, len(toolsMap))
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for name := range toolsMap {
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allToolNames = append(allToolNames, name)
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}
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if cfg.ToolsetConfigs == nil {
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cfg.ToolsetConfigs = make(ToolsetConfigs)
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}
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cfg.ToolsetConfigs[""] = tools.ToolsetConfig{Name: "", ToolNames: allToolNames}
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// initalize and validate the toolsets
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toolsetsMap := make(map[string]tools.Toolset)
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for name, tc := range cfg.ToolsetConfigs {
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t, err := tc.Initialize(cfg.Version, toolsMap)
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if err != nil {
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return nil, fmt.Errorf("unable to initialize toolset %q: %w", name, err)
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}
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toolsetsMap[name] = t
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}
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fmt.Printf("Initalized %d toolsets.\n", len(toolsetsMap))
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s := &Server{
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conf: cfg,
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root: r,
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sources: sourcesMap,
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tools: toolsMap,
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toolsets: toolsetsMap,
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}
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if router, err := apiRouter(s); err != nil {
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return nil, err
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} else {
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r.Mount("/api", router)
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}
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return s, nil
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}
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// ListenAndServe starts an HTTP server for the given Server instance.
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func (s *Server) ListenAndServe(ctx context.Context) error {
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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addr := net.JoinHostPort(s.conf.Address, strconv.Itoa(s.conf.Port))
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lc := net.ListenConfig{KeepAlive: 30 * time.Second}
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l, err := lc.Listen(ctx, "tcp", addr)
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if err != nil {
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return fmt.Errorf("failed to open listener for %q: %w", addr, err)
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}
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return http.Serve(l, s.root)
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}
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