初始化导入 new-api 源码
This commit is contained in:
OpenClaw Task Bot
300
relay/channel/ollama/stream.go
Normal file
300
relay/channel/ollama/stream.go
Normal file
@@ -0,0 +1,300 @@
|
||||
package ollama
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/http"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/QuantumNous/new-api/common"
|
||||
"github.com/QuantumNous/new-api/dto"
|
||||
"github.com/QuantumNous/new-api/logger"
|
||||
relaycommon "github.com/QuantumNous/new-api/relay/common"
|
||||
"github.com/QuantumNous/new-api/relay/helper"
|
||||
"github.com/QuantumNous/new-api/service"
|
||||
"github.com/QuantumNous/new-api/types"
|
||||
|
||||
"github.com/gin-gonic/gin"
|
||||
)
|
||||
|
||||
type ollamaChatStreamChunk struct {
|
||||
Model string `json:"model"`
|
||||
CreatedAt string `json:"created_at"`
|
||||
// chat
|
||||
Message *struct {
|
||||
Role string `json:"role"`
|
||||
Content string `json:"content"`
|
||||
Thinking json.RawMessage `json:"thinking"`
|
||||
ToolCalls []struct {
|
||||
Function struct {
|
||||
Name string `json:"name"`
|
||||
Arguments interface{} `json:"arguments"`
|
||||
} `json:"function"`
|
||||
} `json:"tool_calls"`
|
||||
} `json:"message"`
|
||||
// generate
|
||||
Response string `json:"response"`
|
||||
Done bool `json:"done"`
|
||||
DoneReason string `json:"done_reason"`
|
||||
TotalDuration int64 `json:"total_duration"`
|
||||
LoadDuration int64 `json:"load_duration"`
|
||||
PromptEvalCount int `json:"prompt_eval_count"`
|
||||
EvalCount int `json:"eval_count"`
|
||||
PromptEvalDuration int64 `json:"prompt_eval_duration"`
|
||||
EvalDuration int64 `json:"eval_duration"`
|
||||
}
|
||||
|
||||
func toUnix(ts string) int64 {
|
||||
if ts == "" {
|
||||
return time.Now().Unix()
|
||||
}
|
||||
// try time.RFC3339 or with nanoseconds
|
||||
t, err := time.Parse(time.RFC3339Nano, ts)
|
||||
if err != nil {
|
||||
t2, err2 := time.Parse(time.RFC3339, ts)
|
||||
if err2 == nil {
|
||||
return t2.Unix()
|
||||
}
|
||||
return time.Now().Unix()
|
||||
}
|
||||
return t.Unix()
|
||||
}
|
||||
|
||||
func ollamaStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
|
||||
if resp == nil || resp.Body == nil {
|
||||
return nil, types.NewOpenAIError(fmt.Errorf("empty response"), types.ErrorCodeBadResponse, http.StatusBadRequest)
|
||||
}
|
||||
defer service.CloseResponseBodyGracefully(resp)
|
||||
|
||||
helper.SetEventStreamHeaders(c)
|
||||
scanner := bufio.NewScanner(resp.Body)
|
||||
usage := &dto.Usage{}
|
||||
var model = info.UpstreamModelName
|
||||
var responseId = common.GetUUID()
|
||||
var created = time.Now().Unix()
|
||||
var toolCallIndex int
|
||||
start := helper.GenerateStartEmptyResponse(responseId, created, model, nil)
|
||||
if data, err := common.Marshal(start); err == nil {
|
||||
_ = helper.StringData(c, string(data))
|
||||
}
|
||||
|
||||
for scanner.Scan() {
|
||||
line := scanner.Text()
|
||||
line = strings.TrimSpace(line)
|
||||
if line == "" {
|
||||
continue
|
||||
}
|
||||
var chunk ollamaChatStreamChunk
|
||||
if err := json.Unmarshal([]byte(line), &chunk); err != nil {
|
||||
logger.LogError(c, "ollama stream json decode error: "+err.Error()+" line="+line)
|
||||
return usage, types.NewOpenAIError(err, types.ErrorCodeBadResponseBody, http.StatusInternalServerError)
|
||||
}
|
||||
if chunk.Model != "" {
|
||||
model = chunk.Model
|
||||
}
|
||||
created = toUnix(chunk.CreatedAt)
|
||||
|
||||
if !chunk.Done {
|
||||
// delta content
|
||||
var content string
|
||||
if chunk.Message != nil {
|
||||
content = chunk.Message.Content
|
||||
} else {
|
||||
content = chunk.Response
|
||||
}
|
||||
delta := dto.ChatCompletionsStreamResponse{
|
||||
Id: responseId,
|
||||
Object: "chat.completion.chunk",
|
||||
Created: created,
|
||||
Model: model,
|
||||
Choices: []dto.ChatCompletionsStreamResponseChoice{{
|
||||
Index: 0,
|
||||
Delta: dto.ChatCompletionsStreamResponseChoiceDelta{Role: "assistant"},
|
||||
}},
|
||||
}
|
||||
if content != "" {
|
||||
delta.Choices[0].Delta.SetContentString(content)
|
||||
}
|
||||
if chunk.Message != nil && len(chunk.Message.Thinking) > 0 {
|
||||
raw := strings.TrimSpace(string(chunk.Message.Thinking))
|
||||
if raw != "" && raw != "null" {
|
||||
// Unmarshal the JSON string to get the actual content without quotes
|
||||
var thinkingContent string
|
||||
if err := json.Unmarshal(chunk.Message.Thinking, &thinkingContent); err == nil {
|
||||
delta.Choices[0].Delta.SetReasoningContent(thinkingContent)
|
||||
} else {
|
||||
// Fallback to raw string if it's not a JSON string
|
||||
delta.Choices[0].Delta.SetReasoningContent(raw)
|
||||
}
|
||||
}
|
||||
}
|
||||
// tool calls
|
||||
if chunk.Message != nil && len(chunk.Message.ToolCalls) > 0 {
|
||||
delta.Choices[0].Delta.ToolCalls = make([]dto.ToolCallResponse, 0, len(chunk.Message.ToolCalls))
|
||||
for _, tc := range chunk.Message.ToolCalls {
|
||||
// arguments -> string
|
||||
argBytes, _ := json.Marshal(tc.Function.Arguments)
|
||||
toolId := fmt.Sprintf("call_%d", toolCallIndex)
|
||||
tr := dto.ToolCallResponse{ID: toolId, Type: "function", Function: dto.FunctionResponse{Name: tc.Function.Name, Arguments: string(argBytes)}}
|
||||
tr.SetIndex(toolCallIndex)
|
||||
toolCallIndex++
|
||||
delta.Choices[0].Delta.ToolCalls = append(delta.Choices[0].Delta.ToolCalls, tr)
|
||||
}
|
||||
}
|
||||
if data, err := common.Marshal(delta); err == nil {
|
||||
_ = helper.StringData(c, string(data))
|
||||
}
|
||||
continue
|
||||
}
|
||||
// done frame
|
||||
// finalize once and break loop
|
||||
usage.PromptTokens = chunk.PromptEvalCount
|
||||
usage.CompletionTokens = chunk.EvalCount
|
||||
usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens
|
||||
finishReason := chunk.DoneReason
|
||||
if finishReason == "" {
|
||||
finishReason = "stop"
|
||||
}
|
||||
// emit stop delta
|
||||
if stop := helper.GenerateStopResponse(responseId, created, model, finishReason); stop != nil {
|
||||
if data, err := common.Marshal(stop); err == nil {
|
||||
_ = helper.StringData(c, string(data))
|
||||
}
|
||||
}
|
||||
// emit usage frame
|
||||
if final := helper.GenerateFinalUsageResponse(responseId, created, model, *usage); final != nil {
|
||||
if data, err := common.Marshal(final); err == nil {
|
||||
_ = helper.StringData(c, string(data))
|
||||
}
|
||||
}
|
||||
// send [DONE]
|
||||
helper.Done(c)
|
||||
break
|
||||
}
|
||||
if err := scanner.Err(); err != nil && err != io.EOF {
|
||||
logger.LogError(c, "ollama stream scan error: "+err.Error())
|
||||
}
|
||||
return usage, nil
|
||||
}
|
||||
|
||||
// non-stream handler for chat/generate
|
||||
func ollamaChatHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
|
||||
body, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return nil, types.NewOpenAIError(err, types.ErrorCodeReadResponseBodyFailed, http.StatusInternalServerError)
|
||||
}
|
||||
service.CloseResponseBodyGracefully(resp)
|
||||
raw := string(body)
|
||||
if common.DebugEnabled {
|
||||
println("ollama non-stream raw resp:", raw)
|
||||
}
|
||||
|
||||
lines := strings.Split(raw, "\n")
|
||||
var (
|
||||
aggContent strings.Builder
|
||||
reasoningBuilder strings.Builder
|
||||
lastChunk ollamaChatStreamChunk
|
||||
parsedAny bool
|
||||
)
|
||||
for _, ln := range lines {
|
||||
ln = strings.TrimSpace(ln)
|
||||
if ln == "" {
|
||||
continue
|
||||
}
|
||||
var ck ollamaChatStreamChunk
|
||||
if err := json.Unmarshal([]byte(ln), &ck); err != nil {
|
||||
if len(lines) == 1 {
|
||||
return nil, types.NewOpenAIError(err, types.ErrorCodeBadResponseBody, http.StatusInternalServerError)
|
||||
}
|
||||
continue
|
||||
}
|
||||
parsedAny = true
|
||||
lastChunk = ck
|
||||
if ck.Message != nil && len(ck.Message.Thinking) > 0 {
|
||||
raw := strings.TrimSpace(string(ck.Message.Thinking))
|
||||
if raw != "" && raw != "null" {
|
||||
// Unmarshal the JSON string to get the actual content without quotes
|
||||
var thinkingContent string
|
||||
if err := json.Unmarshal(ck.Message.Thinking, &thinkingContent); err == nil {
|
||||
reasoningBuilder.WriteString(thinkingContent)
|
||||
} else {
|
||||
// Fallback to raw string if it's not a JSON string
|
||||
reasoningBuilder.WriteString(raw)
|
||||
}
|
||||
}
|
||||
}
|
||||
if ck.Message != nil && ck.Message.Content != "" {
|
||||
aggContent.WriteString(ck.Message.Content)
|
||||
} else if ck.Response != "" {
|
||||
aggContent.WriteString(ck.Response)
|
||||
}
|
||||
}
|
||||
|
||||
if !parsedAny {
|
||||
var single ollamaChatStreamChunk
|
||||
if err := json.Unmarshal(body, &single); err != nil {
|
||||
return nil, types.NewOpenAIError(err, types.ErrorCodeBadResponseBody, http.StatusInternalServerError)
|
||||
}
|
||||
lastChunk = single
|
||||
if single.Message != nil {
|
||||
if len(single.Message.Thinking) > 0 {
|
||||
raw := strings.TrimSpace(string(single.Message.Thinking))
|
||||
if raw != "" && raw != "null" {
|
||||
// Unmarshal the JSON string to get the actual content without quotes
|
||||
var thinkingContent string
|
||||
if err := json.Unmarshal(single.Message.Thinking, &thinkingContent); err == nil {
|
||||
reasoningBuilder.WriteString(thinkingContent)
|
||||
} else {
|
||||
// Fallback to raw string if it's not a JSON string
|
||||
reasoningBuilder.WriteString(raw)
|
||||
}
|
||||
}
|
||||
}
|
||||
aggContent.WriteString(single.Message.Content)
|
||||
} else {
|
||||
aggContent.WriteString(single.Response)
|
||||
}
|
||||
}
|
||||
|
||||
model := lastChunk.Model
|
||||
if model == "" {
|
||||
model = info.UpstreamModelName
|
||||
}
|
||||
created := toUnix(lastChunk.CreatedAt)
|
||||
usage := &dto.Usage{PromptTokens: lastChunk.PromptEvalCount, CompletionTokens: lastChunk.EvalCount, TotalTokens: lastChunk.PromptEvalCount + lastChunk.EvalCount}
|
||||
content := aggContent.String()
|
||||
finishReason := lastChunk.DoneReason
|
||||
if finishReason == "" {
|
||||
finishReason = "stop"
|
||||
}
|
||||
|
||||
msg := dto.Message{Role: "assistant", Content: contentPtr(content)}
|
||||
if rc := reasoningBuilder.String(); rc != "" {
|
||||
msg.ReasoningContent = rc
|
||||
}
|
||||
full := dto.OpenAITextResponse{
|
||||
Id: common.GetUUID(),
|
||||
Model: model,
|
||||
Object: "chat.completion",
|
||||
Created: created,
|
||||
Choices: []dto.OpenAITextResponseChoice{{
|
||||
Index: 0,
|
||||
Message: msg,
|
||||
FinishReason: finishReason,
|
||||
}},
|
||||
Usage: *usage,
|
||||
}
|
||||
out, _ := common.Marshal(full)
|
||||
service.IOCopyBytesGracefully(c, resp, out)
|
||||
return usage, nil
|
||||
}
|
||||
|
||||
func contentPtr(s string) *string {
|
||||
if s == "" {
|
||||
return nil
|
||||
}
|
||||
return &s
|
||||
}
|
||||
Reference in New Issue
Block a user