wait.go•3.37 kB
// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package wait
import (
"context"
"fmt"
"time"
yaml "github.com/goccy/go-yaml"
"github.com/googleapis/genai-toolbox/internal/sources"
"github.com/googleapis/genai-toolbox/internal/tools"
)
const kind string = "wait"
func init() {
if !tools.Register(kind, newConfig) {
panic(fmt.Sprintf("tool kind %q already registered", kind))
}
}
func newConfig(ctx context.Context, name string, decoder *yaml.Decoder) (tools.ToolConfig, error) {
actual := Config{Name: name}
if err := decoder.DecodeContext(ctx, &actual); err != nil {
return nil, err
}
return actual, nil
}
type Config struct {
Name string `yaml:"name" validate:"required"`
Kind string `yaml:"kind" validate:"required"`
Description string `yaml:"description" validate:"required"`
Timeout string `yaml:"timeout" validate:"required"`
AuthRequired []string `yaml:"authRequired"`
}
var _ tools.ToolConfig = Config{}
func (cfg Config) ToolConfigKind() string {
return kind
}
func (cfg Config) Initialize(_ map[string]sources.Source) (tools.Tool, error) {
durationParameter := tools.NewStringParameter("duration", "The duration to wait for, specified as a string (e.g., '10s', '2m', '1h').")
parameters := tools.Parameters{durationParameter}
mcpManifest := tools.GetMcpManifest(cfg.Name, cfg.Description, cfg.AuthRequired, parameters)
t := Tool{
Name: cfg.Name,
Kind: kind,
Parameters: parameters,
manifest: tools.Manifest{Description: cfg.Description, Parameters: parameters.Manifest(), AuthRequired: cfg.AuthRequired},
mcpManifest: mcpManifest,
}
return t, nil
}
// validate interface
var _ tools.Tool = Tool{}
type Tool struct {
Name string
Kind string
Parameters tools.Parameters
manifest tools.Manifest
mcpManifest tools.McpManifest
}
func (t Tool) Invoke(ctx context.Context, params tools.ParamValues, accessToken tools.AccessToken) (any, error) {
paramsMap := params.AsMap()
durationStr, ok := paramsMap["duration"].(string)
if !ok {
return nil, fmt.Errorf("duration parameter is not a string")
}
totalDuration, err := time.ParseDuration(durationStr)
if err != nil {
return nil, fmt.Errorf("invalid duration format: %w", err)
}
time.Sleep(totalDuration)
return fmt.Sprintf("Wait for %v completed successfully.", totalDuration), nil
}
func (t Tool) ParseParams(data map[string]any, claims map[string]map[string]any) (tools.ParamValues, error) {
return tools.ParseParams(t.Parameters, data, claims)
}
func (t Tool) Manifest() tools.Manifest {
return t.manifest
}
func (t Tool) McpManifest() tools.McpManifest {
return t.mcpManifest
}
func (t Tool) Authorized(verifiedAuthServices []string) bool {
return true
}
func (t Tool) RequiresClientAuthorization() bool {
return false
}