mirror of
https://gitcode.com/JianFeeeee/HomeAgent.git
synced 2026-09-21 17:38:10 +00:00
- provider: 新增 OpenAI-compatible 响应/流兜底解析,Lua adapter 异常时也能解析 choices/message/tool_calls/usage(含 function.arguments 缺失、对象/字符串参数) - 过滤无效 LLM 源(<nil>/空/缺 http(s) scheme),main 与 ReloadFromConfig 均跳过, 避免 mocktest 等坏源污染 fallback 与 healthcheck - adapter(openai/deepseek/groq/mistral/github/kimicode): 修 tool_calls 对 nil function 的崩溃,兼容扁平/嵌套结构;openai 流透传 reasoning/tool_calls - config: ToConfig 探活端点过滤无效 base_url,修复 supervisor 误报 LLM unreachable
798 lines
20 KiB
Go
798 lines
20 KiB
Go
package api
|
||
|
||
import (
|
||
"bufio"
|
||
"context"
|
||
"encoding/json"
|
||
"fmt"
|
||
"io"
|
||
"net/http"
|
||
"strings"
|
||
"sync"
|
||
"time"
|
||
|
||
luaVM "gitcode.com/JianFeeeee/HomeAgent/internal/lua"
|
||
)
|
||
|
||
// ContentBlock 定义多模态内容块,用于图片/音频等非文本输入。
|
||
type ContentBlock struct {
|
||
Type string `json:"type"`
|
||
Text string `json:"text,omitempty"`
|
||
ImageURL *ImageURL `json:"image_url,omitempty"`
|
||
AudioURL *AudioURL `json:"audio_url,omitempty"`
|
||
}
|
||
|
||
type ImageURL struct {
|
||
URL string `json:"url"`
|
||
Detail string `json:"detail,omitempty"`
|
||
}
|
||
|
||
type AudioURL struct {
|
||
URL string `json:"url"`
|
||
}
|
||
|
||
// Message 表示对话消息。当 Blocks 不为空时 content 在 JSON 中序列化为数组(多模态格式)。
|
||
type Message struct {
|
||
Role string `json:"role"`
|
||
Content string `json:"content,omitempty"`
|
||
Blocks []ContentBlock `json:"-"`
|
||
ReasoningContent string `json:"reasoning_content,omitempty"`
|
||
ToolCallID string `json:"tool_call_id,omitempty"`
|
||
ToolCalls []ToolCall `json:"-"`
|
||
}
|
||
|
||
func (m Message) MarshalJSON() ([]byte, error) {
|
||
raw := map[string]interface{}{
|
||
"role": m.Role,
|
||
}
|
||
if len(m.Blocks) > 0 {
|
||
raw["content"] = m.Blocks
|
||
} else if m.Content != "" || len(m.ToolCalls) == 0 {
|
||
raw["content"] = m.Content
|
||
} else {
|
||
raw["content"] = nil
|
||
}
|
||
if m.ReasoningContent != "" {
|
||
raw["reasoning_content"] = m.ReasoningContent
|
||
}
|
||
if m.ToolCallID != "" {
|
||
raw["tool_call_id"] = m.ToolCallID
|
||
}
|
||
if len(m.ToolCalls) > 0 {
|
||
apiTCs := make([]apiToolCall, len(m.ToolCalls))
|
||
for i, tc := range m.ToolCalls {
|
||
argsBytes, _ := json.Marshal(tc.Arguments)
|
||
apiTCs[i] = apiToolCall{
|
||
ID: tc.ID,
|
||
Type: "function",
|
||
Function: apiFunction{
|
||
Name: tc.Name,
|
||
Arguments: string(argsBytes),
|
||
},
|
||
}
|
||
}
|
||
raw["tool_calls"] = apiTCs
|
||
}
|
||
return json.Marshal(raw)
|
||
}
|
||
|
||
type CompletionRequest struct {
|
||
Model string `json:"model,omitempty"`
|
||
Messages []Message `json:"messages"`
|
||
Temperature float64 `json:"temperature,omitempty"`
|
||
MaxTokens int `json:"max_tokens,omitempty"`
|
||
Stream bool `json:"stream,omitempty"`
|
||
Tools []interface{} `json:"tools,omitempty"`
|
||
ToolChoice interface{} `json:"tool_choice,omitempty"`
|
||
DisableThinking bool `json:"disable_thinking"`
|
||
ExtraBody map[string]interface{} `json:"-"`
|
||
}
|
||
|
||
func (r *CompletionRequest) MarshalJSON() ([]byte, error) {
|
||
type Alias CompletionRequest
|
||
data, err := json.Marshal((*Alias)(r))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
if len(r.ExtraBody) == 0 {
|
||
return data, nil
|
||
}
|
||
var raw map[string]interface{}
|
||
if err := json.Unmarshal(data, &raw); err != nil {
|
||
return nil, err
|
||
}
|
||
for k, v := range r.ExtraBody {
|
||
raw[k] = v
|
||
}
|
||
return json.Marshal(raw)
|
||
}
|
||
|
||
type CompletionResponse struct {
|
||
Content string `json:"content"`
|
||
ReasoningContent string `json:"reasoning_content,omitempty"`
|
||
FinishReason string `json:"finish_reason,omitempty"`
|
||
TokenUsage TokenUsage `json:"token_usage,omitempty"`
|
||
ToolCalls []ToolCall `json:"tool_calls,omitempty"`
|
||
}
|
||
|
||
type TokenUsage struct {
|
||
Prompt int `json:"prompt"`
|
||
Completion int `json:"completion"`
|
||
Total int `json:"total"`
|
||
}
|
||
|
||
type ToolCall struct {
|
||
ID string `json:"id"`
|
||
Type string `json:"type"`
|
||
Name string `json:"name"`
|
||
Arguments map[string]interface{} `json:"arguments"`
|
||
}
|
||
|
||
type apiToolCall struct {
|
||
ID string `json:"id"`
|
||
Type string `json:"type"`
|
||
Function apiFunction `json:"function"`
|
||
}
|
||
|
||
type apiFunction struct {
|
||
Name string `json:"name"`
|
||
Arguments string `json:"arguments"`
|
||
}
|
||
|
||
type StreamChunk struct {
|
||
Content string `json:"content"`
|
||
ReasoningContent string `json:"reasoning_content,omitempty"`
|
||
Done bool `json:"done"`
|
||
ToolCall *ToolCall `json:"tool_call,omitempty"`
|
||
ToolCalls []ToolCall `json:"tool_calls,omitempty"`
|
||
}
|
||
|
||
type Provider interface {
|
||
Name() string
|
||
Chat(ctx context.Context, req *CompletionRequest) (*CompletionResponse, error)
|
||
ChatStream(ctx context.Context, req *CompletionRequest) (<-chan StreamChunk, error)
|
||
MaxContextTokens() int
|
||
}
|
||
|
||
// ModelContextWindow 返回模型的最大上下文窗口(token 数)
|
||
// 标称窗口 ≠ 有效窗口:接近满时注意力涣散,调用方应取 70-80% 为目标利用率
|
||
func ModelContextWindow(model string) int {
|
||
model = strings.ToLower(model)
|
||
switch {
|
||
case strings.Contains(model, "deepseek-r1") || strings.Contains(model, "deepseek-chat"):
|
||
return 65536
|
||
case strings.Contains(model, "gpt-4") && (strings.Contains(model, "turbo") || strings.Contains(model, "mini") || strings.Contains(model, "omni")):
|
||
return 128000
|
||
case strings.Contains(model, "gpt-4"):
|
||
return 8192
|
||
case strings.Contains(model, "gpt-3.5"):
|
||
return 16384
|
||
case strings.Contains(model, "claude-3.5") || strings.Contains(model, "claude-3"):
|
||
return 200000
|
||
case strings.Contains(model, "claude"):
|
||
return 100000
|
||
case strings.Contains(model, "gemini-1.5") || strings.Contains(model, "gemini-2"):
|
||
return 1048576
|
||
case strings.Contains(model, "gemini"):
|
||
return 32768
|
||
case strings.Contains(model, "qwen"):
|
||
return 131072
|
||
case strings.Contains(model, "glm") || strings.Contains(model, "chatglm"):
|
||
return 131072
|
||
case strings.Contains(model, "llama-3"):
|
||
return 8192
|
||
case strings.Contains(model, "llama-2"):
|
||
return 4096
|
||
case strings.Contains(model, "mistral") || strings.Contains(model, "mixtral"):
|
||
return 32768
|
||
case strings.Contains(model, "yi-") || strings.Contains(model, "零一"):
|
||
return 200000
|
||
case strings.Contains(model, "moonshot") || strings.Contains(model, "kimi"):
|
||
return 131072
|
||
default:
|
||
return 32768
|
||
}
|
||
}
|
||
|
||
type BaseConfig struct {
|
||
Model string `json:"model"`
|
||
BaseURL string `json:"base_url"`
|
||
APIKey string `json:"api_key"`
|
||
Temperature float64 `json:"temperature"`
|
||
MaxTokens int `json:"max_tokens"`
|
||
ContextWindow int `json:"context_window"`
|
||
}
|
||
|
||
// LuaAdaptedProvider 使用 Lua 脚本做请求/响应变换,直接发起 HTTP 调用
|
||
// 不再包裹其他 Provider,协议差异全部在 Lua 层处理
|
||
type LuaAdaptedProvider struct {
|
||
name string
|
||
cfg BaseConfig
|
||
vm *luaVM.VM
|
||
adapter string
|
||
client *http.Client
|
||
}
|
||
|
||
func NewLuaAdaptedProvider(cfg BaseConfig, vm *luaVM.VM, name, adapter string) *LuaAdaptedProvider {
|
||
if cfg.Temperature == 0 {
|
||
cfg.Temperature = 0.7
|
||
}
|
||
if cfg.MaxTokens == 0 {
|
||
cfg.MaxTokens = 4096
|
||
}
|
||
return &LuaAdaptedProvider{
|
||
name: name,
|
||
cfg: cfg,
|
||
vm: vm,
|
||
adapter: adapter,
|
||
client: &http.Client{Timeout: 120 * time.Second},
|
||
}
|
||
}
|
||
|
||
func IsValidSourceConfig(name, baseURL, model, adapter string) bool {
|
||
return validConfigValue(name) && validConfigValue(baseURL) && validConfigValue(model) && validConfigValue(adapter) &&
|
||
(strings.HasPrefix(baseURL, "http://") || strings.HasPrefix(baseURL, "https://"))
|
||
}
|
||
|
||
func validConfigValue(s string) bool {
|
||
s = strings.TrimSpace(s)
|
||
if s == "" {
|
||
return false
|
||
}
|
||
return !strings.EqualFold(s, "<nil>") && !strings.EqualFold(s, "null") && !strings.EqualFold(s, "nil")
|
||
}
|
||
|
||
func (p *LuaAdaptedProvider) MaxContextTokens() int {
|
||
if p.cfg.ContextWindow > 0 {
|
||
return p.cfg.ContextWindow
|
||
}
|
||
return ModelContextWindow(p.cfg.Model)
|
||
}
|
||
|
||
func (p *LuaAdaptedProvider) Name() string { return p.name }
|
||
|
||
func (p *LuaAdaptedProvider) Chat(ctx context.Context, req *CompletionRequest) (*CompletionResponse, error) {
|
||
req.Model = p.cfg.Model
|
||
|
||
rawReq, _ := json.Marshal(req)
|
||
|
||
transformedBody, err := p.vm.CallTransformRequest(p.adapter, string(rawReq))
|
||
if err != nil {
|
||
return nil, fmt.Errorf("lua transform_request: %w", err)
|
||
}
|
||
|
||
endpoint := p.vm.GetAdapterEndpoint(p.adapter)
|
||
if endpoint == "" {
|
||
endpoint = "/chat/completions"
|
||
}
|
||
url := strings.TrimRight(p.cfg.BaseURL, "/") + endpoint
|
||
|
||
httpReq, err := http.NewRequestWithContext(ctx, "POST", url, strings.NewReader(transformedBody))
|
||
if err != nil {
|
||
return nil, fmt.Errorf("create request: %w", err)
|
||
}
|
||
httpReq.Header.Set("Content-Type", "application/json")
|
||
httpReq.Header.Set("Authorization", "Bearer "+p.cfg.APIKey)
|
||
|
||
for k, v := range p.vm.GetAdapterHeaders(p.adapter) {
|
||
httpReq.Header.Set(k, v)
|
||
}
|
||
|
||
resp, err := p.client.Do(httpReq)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("api call: %w", err)
|
||
}
|
||
defer resp.Body.Close()
|
||
|
||
rawResp, err := io.ReadAll(resp.Body)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("read response: %w", err)
|
||
}
|
||
|
||
if resp.StatusCode != 200 {
|
||
return nil, &ProviderError{
|
||
StatusCode: resp.StatusCode,
|
||
Message: fmt.Sprintf("api error %d: %s", resp.StatusCode, string(rawResp)),
|
||
}
|
||
}
|
||
|
||
unifiedJSON, err := p.vm.CallTransformResponse(p.adapter, string(rawResp))
|
||
if err != nil {
|
||
if parsed, perr := parseOpenAICompatibleResponse(rawResp); perr == nil {
|
||
return parsed, nil
|
||
}
|
||
return nil, fmt.Errorf("lua transform_response: %w", err)
|
||
}
|
||
|
||
var result CompletionResponse
|
||
if err := json.Unmarshal([]byte(unifiedJSON), &result); err != nil {
|
||
if parsed, perr := parseOpenAICompatibleResponse(rawResp); perr == nil {
|
||
return parsed, nil
|
||
}
|
||
return nil, fmt.Errorf("unmarshal unified response: %w (body: %s)", err, unifiedJSON)
|
||
}
|
||
|
||
return &result, nil
|
||
}
|
||
|
||
func parseOpenAICompatibleResponse(raw []byte) (*CompletionResponse, error) {
|
||
var resp struct {
|
||
Usage struct {
|
||
PromptTokens int `json:"prompt_tokens"`
|
||
CompletionTokens int `json:"completion_tokens"`
|
||
TotalTokens int `json:"total_tokens"`
|
||
} `json:"usage"`
|
||
Choices []struct {
|
||
FinishReason string `json:"finish_reason"`
|
||
Message struct {
|
||
Content interface{} `json:"content"`
|
||
ReasoningContent string `json:"reasoning_content"`
|
||
ToolCalls []openAIToolCall `json:"tool_calls"`
|
||
} `json:"message"`
|
||
} `json:"choices"`
|
||
}
|
||
if err := json.Unmarshal(raw, &resp); err != nil {
|
||
return nil, err
|
||
}
|
||
out := &CompletionResponse{
|
||
TokenUsage: TokenUsage{
|
||
Prompt: resp.Usage.PromptTokens,
|
||
Completion: resp.Usage.CompletionTokens,
|
||
Total: resp.Usage.TotalTokens,
|
||
},
|
||
}
|
||
if len(resp.Choices) == 0 {
|
||
return out, nil
|
||
}
|
||
ch := resp.Choices[0]
|
||
out.FinishReason = ch.FinishReason
|
||
out.Content = stringifyContent(ch.Message.Content)
|
||
out.ReasoningContent = ch.Message.ReasoningContent
|
||
out.ToolCalls = normalizeOpenAIToolCalls(ch.Message.ToolCalls)
|
||
return out, nil
|
||
}
|
||
|
||
type openAIToolCall struct {
|
||
ID string `json:"id"`
|
||
Type string `json:"type"`
|
||
Function struct {
|
||
Name string `json:"name"`
|
||
Arguments interface{} `json:"arguments"`
|
||
} `json:"function"`
|
||
Name string `json:"name"`
|
||
Arguments interface{} `json:"arguments"`
|
||
}
|
||
|
||
func normalizeOpenAIToolCalls(raw []openAIToolCall) []ToolCall {
|
||
if len(raw) == 0 {
|
||
return nil
|
||
}
|
||
out := make([]ToolCall, 0, len(raw))
|
||
for _, tc := range raw {
|
||
name := tc.Function.Name
|
||
argsRaw := tc.Function.Arguments
|
||
if name == "" {
|
||
name = tc.Name
|
||
argsRaw = tc.Arguments
|
||
}
|
||
if name == "" {
|
||
continue
|
||
}
|
||
typ := tc.Type
|
||
if typ == "" {
|
||
typ = "function"
|
||
}
|
||
out = append(out, ToolCall{
|
||
ID: tc.ID,
|
||
Type: typ,
|
||
Name: name,
|
||
Arguments: parseToolArguments(argsRaw),
|
||
})
|
||
}
|
||
return out
|
||
}
|
||
|
||
func parseToolArguments(v interface{}) map[string]interface{} {
|
||
switch x := v.(type) {
|
||
case nil:
|
||
return map[string]interface{}{}
|
||
case map[string]interface{}:
|
||
return x
|
||
case string:
|
||
if strings.TrimSpace(x) == "" {
|
||
return map[string]interface{}{}
|
||
}
|
||
var m map[string]interface{}
|
||
if err := json.Unmarshal([]byte(x), &m); err == nil && m != nil {
|
||
return m
|
||
}
|
||
var any interface{}
|
||
if err := json.Unmarshal([]byte(x), &any); err == nil {
|
||
return map[string]interface{}{"value": any}
|
||
}
|
||
return map[string]interface{}{"raw": x}
|
||
default:
|
||
b, _ := json.Marshal(x)
|
||
var m map[string]interface{}
|
||
if err := json.Unmarshal(b, &m); err == nil && m != nil {
|
||
return m
|
||
}
|
||
return map[string]interface{}{"value": x}
|
||
}
|
||
}
|
||
|
||
func stringifyContent(v interface{}) string {
|
||
switch x := v.(type) {
|
||
case nil:
|
||
return ""
|
||
case string:
|
||
return x
|
||
case []interface{}:
|
||
var b strings.Builder
|
||
for _, part := range x {
|
||
if m, ok := part.(map[string]interface{}); ok {
|
||
if text, ok := m["text"].(string); ok {
|
||
b.WriteString(text)
|
||
}
|
||
}
|
||
}
|
||
return b.String()
|
||
default:
|
||
b, _ := json.Marshal(x)
|
||
return string(b)
|
||
}
|
||
}
|
||
|
||
func parseOpenAICompatibleStreamChunk(raw []byte) (StreamChunk, bool) {
|
||
var resp struct {
|
||
Choices []struct {
|
||
Delta struct {
|
||
Content interface{} `json:"content"`
|
||
ReasoningContent string `json:"reasoning_content"`
|
||
ToolCalls []openAIToolCall `json:"tool_calls"`
|
||
} `json:"delta"`
|
||
FinishReason *string `json:"finish_reason"`
|
||
} `json:"choices"`
|
||
}
|
||
if err := json.Unmarshal(raw, &resp); err != nil || len(resp.Choices) == 0 {
|
||
return StreamChunk{}, false
|
||
}
|
||
choice := resp.Choices[0]
|
||
return StreamChunk{
|
||
Content: stringifyContent(choice.Delta.Content),
|
||
ReasoningContent: choice.Delta.ReasoningContent,
|
||
ToolCalls: normalizeOpenAIToolCalls(choice.Delta.ToolCalls),
|
||
Done: choice.FinishReason != nil,
|
||
}, true
|
||
}
|
||
|
||
func (p *LuaAdaptedProvider) ChatStream(ctx context.Context, req *CompletionRequest) (<-chan StreamChunk, error) {
|
||
req.Model = p.cfg.Model
|
||
req.Stream = true
|
||
rawReq, _ := json.Marshal(req)
|
||
|
||
transformedBody, err := p.vm.CallTransformRequest(p.adapter, string(rawReq))
|
||
if err != nil {
|
||
return nil, fmt.Errorf("lua transform_request (stream): %w", err)
|
||
}
|
||
|
||
endpoint := p.vm.GetAdapterEndpoint(p.adapter)
|
||
if endpoint == "" {
|
||
endpoint = "/chat/completions"
|
||
}
|
||
url := strings.TrimRight(p.cfg.BaseURL, "/") + endpoint
|
||
|
||
httpReq, err := http.NewRequestWithContext(ctx, "POST", url, strings.NewReader(transformedBody))
|
||
if err != nil {
|
||
return nil, fmt.Errorf("create stream request: %w", err)
|
||
}
|
||
httpReq.Header.Set("Content-Type", "application/json")
|
||
httpReq.Header.Set("Authorization", "Bearer "+p.cfg.APIKey)
|
||
|
||
for k, v := range p.vm.GetAdapterHeaders(p.adapter) {
|
||
httpReq.Header.Set(k, v)
|
||
}
|
||
|
||
resp, err := p.client.Do(httpReq)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("stream api: %w", err)
|
||
}
|
||
|
||
ch := make(chan StreamChunk, 64)
|
||
go func() {
|
||
defer resp.Body.Close()
|
||
defer close(ch)
|
||
|
||
scanner := NewSSEScanner(resp.Body)
|
||
for scanner.Scan() {
|
||
line := scanner.Text()
|
||
if line == "" {
|
||
continue
|
||
}
|
||
|
||
// 尝试用 Lua 变换流块(如果 adapter 定义了 transform_stream_chunk)
|
||
unified, err := p.vm.CallTransformStreamChunk(p.adapter, line)
|
||
if err != nil || unified == line {
|
||
// 无流变换函数或变换透传,尝试标准 OpenAI SSE 解析
|
||
chunk, ok := parseOpenAICompatibleStreamChunk([]byte(line))
|
||
if !ok {
|
||
continue
|
||
}
|
||
select {
|
||
case ch <- chunk:
|
||
case <-ctx.Done():
|
||
return
|
||
}
|
||
continue
|
||
}
|
||
|
||
// Lua 返回了变换后的统一格式
|
||
var chunk StreamChunk
|
||
if err := json.Unmarshal([]byte(unified), &chunk); err == nil {
|
||
select {
|
||
case ch <- chunk:
|
||
case <-ctx.Done():
|
||
return
|
||
}
|
||
}
|
||
}
|
||
}()
|
||
|
||
return ch, nil
|
||
}
|
||
|
||
// SSEScanner 读取 SSE 格式的流(data: ...)
|
||
type SSEScanner struct {
|
||
reader *bufio.Reader
|
||
pending string
|
||
}
|
||
|
||
func NewSSEScanner(r io.Reader) *SSEScanner {
|
||
return &SSEScanner{reader: bufio.NewReader(r)}
|
||
}
|
||
|
||
func (s *SSEScanner) Scan() bool {
|
||
s.pending = ""
|
||
for {
|
||
line, err := s.reader.ReadString('\n')
|
||
if err != nil {
|
||
return false
|
||
}
|
||
line = strings.TrimRight(line, "\r\n")
|
||
if strings.HasPrefix(line, "data: ") {
|
||
s.pending = strings.TrimPrefix(line, "data: ")
|
||
if s.pending == "[DONE]" {
|
||
return false
|
||
}
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
|
||
func (s *SSEScanner) Text() string { return s.pending }
|
||
|
||
type providerStatus struct {
|
||
failCount int
|
||
unavailableUntil time.Time
|
||
permanent bool // 401/403 永久不可用,不自动恢复
|
||
}
|
||
|
||
type ProviderManager struct {
|
||
mu sync.RWMutex
|
||
providers map[string]Provider
|
||
order []string
|
||
default_ string
|
||
status map[string]*providerStatus
|
||
}
|
||
|
||
const (
|
||
providerCooldownBase = 30 * time.Second
|
||
providerCooldownMax = 30 * time.Minute
|
||
)
|
||
|
||
func NewProviderManager() *ProviderManager {
|
||
return &ProviderManager{
|
||
providers: make(map[string]Provider),
|
||
status: make(map[string]*providerStatus),
|
||
}
|
||
}
|
||
|
||
func (m *ProviderManager) Reset() {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
m.providers = make(map[string]Provider)
|
||
m.order = nil
|
||
m.default_ = ""
|
||
m.status = make(map[string]*providerStatus)
|
||
}
|
||
|
||
func (m *ProviderManager) Register(name string, p Provider) {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
m.providers[name] = p
|
||
m.order = append(m.order, name)
|
||
if m.default_ == "" {
|
||
m.default_ = name
|
||
}
|
||
}
|
||
|
||
func (m *ProviderManager) SetDefault(name string) error {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
if _, ok := m.providers[name]; !ok {
|
||
return fmt.Errorf("provider %s not found", name)
|
||
}
|
||
m.default_ = name
|
||
return nil
|
||
}
|
||
|
||
func (m *ProviderManager) Get(name string) Provider {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
if name == "" {
|
||
name = m.default_
|
||
}
|
||
return m.providers[name]
|
||
}
|
||
|
||
func (m *ProviderManager) Default() Provider {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
return m.providers[m.default_]
|
||
}
|
||
|
||
// QuickChat 向默认 LLM Provider 发送一条简短消息并返回回复。
|
||
// 这是一个"非记忆"调用——直接通过 Provider HTTP 调用,不经过 Agent 的记忆/蒸馏管线。
|
||
// 适用于健康检查、系统自检等不需要产生记忆碎片的场景。
|
||
func (m *ProviderManager) QuickChat(ctx context.Context, prompt string) (*CompletionResponse, error) {
|
||
p := m.Default()
|
||
if p == nil {
|
||
return nil, fmt.Errorf("no default provider")
|
||
}
|
||
return p.Chat(ctx, &CompletionRequest{
|
||
Messages: []Message{
|
||
{Role: "user", Content: prompt},
|
||
},
|
||
MaxTokens: 128,
|
||
})
|
||
}
|
||
|
||
func (m *ProviderManager) List() []string {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
names := make([]string, len(m.order))
|
||
copy(names, m.order)
|
||
return names
|
||
}
|
||
|
||
func (m *ProviderManager) MarkUnavailable(name string) {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
st := m.status[name]
|
||
if st == nil {
|
||
st = &providerStatus{}
|
||
m.status[name] = st
|
||
}
|
||
st.failCount++
|
||
cooldown := providerCooldownBase * time.Duration(1<<(st.failCount-1))
|
||
if cooldown > providerCooldownMax {
|
||
cooldown = providerCooldownMax
|
||
}
|
||
st.unavailableUntil = time.Now().Add(cooldown)
|
||
}
|
||
|
||
// ReportStatus records an HTTP status code for a provider.
|
||
// 401/403 = credential error → permanently unavailable (never retry).
|
||
// Other codes → MarkUnavailable with exponential backoff.
|
||
func (m *ProviderManager) ReportStatus(name string, statusCode int) {
|
||
if statusCode == 401 || statusCode == 403 {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
st := m.status[name]
|
||
if st == nil {
|
||
st = &providerStatus{}
|
||
m.status[name] = st
|
||
}
|
||
st.permanent = true
|
||
st.unavailableUntil = time.Date(9999, 1, 1, 0, 0, 0, 0, time.UTC)
|
||
return
|
||
}
|
||
m.MarkUnavailable(name)
|
||
}
|
||
|
||
func (m *ProviderManager) ResetAvailability(name string) {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
delete(m.status, name)
|
||
}
|
||
|
||
func (m *ProviderManager) MarkPermanent(name string) {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
st := m.status[name]
|
||
if st == nil {
|
||
st = &providerStatus{}
|
||
m.status[name] = st
|
||
}
|
||
st.permanent = true
|
||
st.unavailableUntil = time.Date(9999, 1, 1, 0, 0, 0, 0, time.UTC)
|
||
}
|
||
|
||
func (m *ProviderManager) IsAvailable(name string) bool {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
st, ok := m.status[name]
|
||
if !ok {
|
||
return true
|
||
}
|
||
if st.permanent {
|
||
return false
|
||
}
|
||
return time.Now().After(st.unavailableUntil)
|
||
}
|
||
|
||
func (m *ProviderManager) OrderedProviders() []Provider {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
list := make([]Provider, 0, len(m.order))
|
||
// 把默认 provider 放第一位,其余按注册顺序
|
||
if def, ok := m.providers[m.default_]; ok {
|
||
list = append(list, def)
|
||
}
|
||
for _, name := range m.order {
|
||
if name == m.default_ {
|
||
continue
|
||
}
|
||
if p, ok := m.providers[name]; ok {
|
||
list = append(list, p)
|
||
}
|
||
}
|
||
return list
|
||
}
|
||
|
||
func (m *ProviderManager) ProviderCount() int {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
return len(m.providers)
|
||
}
|
||
|
||
type rawToolCall struct {
|
||
ID string `json:"id"`
|
||
Type string `json:"type"`
|
||
Function struct {
|
||
Name string `json:"name"`
|
||
Arguments string `json:"arguments"`
|
||
} `json:"function"`
|
||
}
|
||
|
||
// ProviderError wraps an HTTP-level error with status code for precise auth detection.
|
||
type ProviderError struct {
|
||
StatusCode int
|
||
Message string
|
||
}
|
||
|
||
func (e *ProviderError) Error() string {
|
||
return e.Message
|
||
}
|
||
|
||
func getString(m map[string]interface{}, key string) string {
|
||
if v, ok := m[key]; ok {
|
||
if s, ok := v.(string); ok {
|
||
return s
|
||
}
|
||
}
|
||
return ""
|
||
}
|
||
|
||
func getFloat(m map[string]interface{}, key string) float64 {
|
||
if v, ok := m[key]; ok {
|
||
switch n := v.(type) {
|
||
case float64:
|
||
return n
|
||
case int:
|
||
return float64(n)
|
||
}
|
||
}
|
||
return 0
|
||
}
|