mirror of
https://github.com/googleapis/genai-toolbox.git
synced 2026-02-08 14:15:36 -05:00
336bdc4d56
Stub's out some basic control plane functionality. This also required setting up some Source and Tools initialization.
97 lines
2.6 KiB
Go
97 lines
2.6 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 Config
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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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}
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// NewServer returns a Server object based on provided Config.
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func NewServer(cfg Config) (*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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sources := 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 tool %s: %w", name, err)
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}
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sources[name] = s
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}
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fmt.Printf("Initalized %d sources.\n", len(sources))
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// initalize and validate the tools
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tools := make(map[string]tools.Tool)
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for name, tc := range cfg.ToolConfigs {
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t, err := tc.Initialize(sources)
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if err != nil {
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return nil, fmt.Errorf("Unable to initialize tool %s: %w", name, err)
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}
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tools[name] = t
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}
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fmt.Printf("Initalized %d tools.\n", len(tools))
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s := &Server{
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conf: cfg,
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root: r,
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sources: sources,
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tools: tools,
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}
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r.Mount("/api", apiRouter(s))
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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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