File size: 8,218 Bytes
8d3471e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | package completionruntime
import (
"context"
"fmt"
"io"
"net/http"
"strings"
"ds2api/internal/assistantturn"
"ds2api/internal/auth"
"ds2api/internal/config"
dsclient "ds2api/internal/deepseek/client"
"ds2api/internal/httpapi/openai/history"
"ds2api/internal/httpapi/openai/shared"
"ds2api/internal/promptcompat"
"ds2api/internal/sse"
)
type DeepSeekCaller interface {
CreateSession(ctx context.Context, a *auth.RequestAuth, maxAttempts int) (string, error)
GetPow(ctx context.Context, a *auth.RequestAuth, maxAttempts int) (string, error)
UploadFile(ctx context.Context, a *auth.RequestAuth, req dsclient.UploadFileRequest, maxAttempts int) (*dsclient.UploadFileResult, error)
CallCompletion(ctx context.Context, a *auth.RequestAuth, payload map[string]any, powResp string, maxAttempts int) (*http.Response, error)
}
type Options struct {
StripReferenceMarkers bool
MaxAttempts int
RetryEnabled bool
RetryMaxAttempts int
CurrentInputFile history.CurrentInputConfigReader
}
type NonStreamResult struct {
SessionID string
Payload map[string]any
Turn assistantturn.Turn
Attempts int
}
type StartResult struct {
SessionID string
Payload map[string]any
Pow string
Response *http.Response
Request promptcompat.StandardRequest
}
func StartCompletion(ctx context.Context, ds DeepSeekCaller, a *auth.RequestAuth, stdReq promptcompat.StandardRequest, opts Options) (StartResult, *assistantturn.OutputError) {
maxAttempts := opts.MaxAttempts
if maxAttempts <= 0 {
maxAttempts = 3
}
var prepErr *assistantturn.OutputError
stdReq, prepErr = prepareCurrentInputFile(ctx, ds, a, stdReq, opts)
if prepErr != nil {
return StartResult{Request: stdReq}, prepErr
}
sessionID, err := ds.CreateSession(ctx, a, maxAttempts)
if err != nil {
return StartResult{Request: stdReq}, authOutputError(a)
}
pow, err := ds.GetPow(ctx, a, maxAttempts)
if err != nil {
return StartResult{SessionID: sessionID, Request: stdReq}, &assistantturn.OutputError{Status: http.StatusUnauthorized, Message: "Failed to get PoW (invalid token or unknown error).", Code: "error"}
}
payload := stdReq.CompletionPayload(sessionID)
resp, err := ds.CallCompletion(ctx, a, payload, pow, maxAttempts)
if err != nil {
return StartResult{SessionID: sessionID, Payload: payload, Pow: pow, Request: stdReq}, &assistantturn.OutputError{Status: http.StatusInternalServerError, Message: "Failed to get completion.", Code: "error"}
}
return StartResult{SessionID: sessionID, Payload: payload, Pow: pow, Response: resp, Request: stdReq}, nil
}
func prepareCurrentInputFile(ctx context.Context, ds DeepSeekCaller, a *auth.RequestAuth, stdReq promptcompat.StandardRequest, opts Options) (promptcompat.StandardRequest, *assistantturn.OutputError) {
if opts.CurrentInputFile == nil || stdReq.CurrentInputFileApplied {
return stdReq, nil
}
out, err := (history.Service{Store: opts.CurrentInputFile, DS: ds}).ApplyCurrentInputFile(ctx, a, stdReq)
if err != nil {
status, message := history.MapError(err)
return out, &assistantturn.OutputError{Status: status, Message: message, Code: "error"}
}
return out, nil
}
func ExecuteNonStreamWithRetry(ctx context.Context, ds DeepSeekCaller, a *auth.RequestAuth, stdReq promptcompat.StandardRequest, opts Options) (NonStreamResult, *assistantturn.OutputError) {
start, startErr := StartCompletion(ctx, ds, a, stdReq, opts)
if startErr != nil {
return NonStreamResult{SessionID: start.SessionID, Payload: start.Payload}, startErr
}
stdReq = start.Request
maxAttempts := opts.MaxAttempts
if maxAttempts <= 0 {
maxAttempts = 3
}
sessionID := start.SessionID
payload := start.Payload
pow := start.Pow
attempts := 0
currentResp := start.Response
usagePrompt := stdReq.PromptTokenText
accumulatedThinking := ""
accumulatedRawThinking := ""
accumulatedToolDetectionThinking := ""
for {
turn, outErr := collectAttempt(currentResp, stdReq, usagePrompt, opts)
if outErr != nil {
return NonStreamResult{SessionID: sessionID, Payload: payload, Attempts: attempts}, outErr
}
accumulatedThinking += sse.TrimContinuationOverlap(accumulatedThinking, turn.Thinking)
accumulatedRawThinking += sse.TrimContinuationOverlap(accumulatedRawThinking, turn.RawThinking)
accumulatedToolDetectionThinking += sse.TrimContinuationOverlap(accumulatedToolDetectionThinking, turn.DetectionThinking)
turn.Thinking = accumulatedThinking
turn.RawThinking = accumulatedRawThinking
turn.DetectionThinking = accumulatedToolDetectionThinking
turn = assistantturn.BuildTurnFromCollected(sse.CollectResult{
Text: turn.RawText,
Thinking: turn.RawThinking,
ToolDetectionThinking: turn.DetectionThinking,
ContentFilter: turn.ContentFilter,
CitationLinks: turn.CitationLinks,
ResponseMessageID: turn.ResponseMessageID,
}, buildOptions(stdReq, usagePrompt, opts))
retryMax := opts.RetryMaxAttempts
if retryMax <= 0 {
retryMax = shared.EmptyOutputRetryMaxAttempts()
}
if !opts.RetryEnabled || !assistantturn.ShouldRetryEmptyOutput(turn, attempts, retryMax) {
return NonStreamResult{SessionID: sessionID, Payload: payload, Turn: turn, Attempts: attempts}, turn.Error
}
attempts++
config.Logger.Info("[completion_runtime_empty_retry] attempting synthetic retry", "surface", stdReq.Surface, "stream", false, "retry_attempt", attempts, "parent_message_id", turn.ResponseMessageID)
retryPow, powErr := ds.GetPow(ctx, a, maxAttempts)
if powErr != nil {
config.Logger.Warn("[completion_runtime_empty_retry] retry PoW fetch failed, falling back to original PoW", "surface", stdReq.Surface, "retry_attempt", attempts, "error", powErr)
retryPow = pow
}
retryPayload := shared.ClonePayloadForEmptyOutputRetry(payload, turn.ResponseMessageID)
nextResp, err := ds.CallCompletion(ctx, a, retryPayload, retryPow, maxAttempts)
if err != nil {
return NonStreamResult{SessionID: sessionID, Payload: payload, Turn: turn, Attempts: attempts}, &assistantturn.OutputError{Status: http.StatusInternalServerError, Message: "Failed to get completion.", Code: "error"}
}
usagePrompt = shared.UsagePromptWithEmptyOutputRetry(usagePrompt, attempts)
currentResp = nextResp
}
}
func collectAttempt(resp *http.Response, stdReq promptcompat.StandardRequest, usagePrompt string, opts Options) (assistantturn.Turn, *assistantturn.OutputError) {
defer func() {
if err := resp.Body.Close(); err != nil {
config.Logger.Warn("[completion_runtime] response body close failed", "surface", stdReq.Surface, "error", err)
}
}()
if resp.StatusCode != http.StatusOK {
body, _ := io.ReadAll(resp.Body)
message := strings.TrimSpace(string(body))
if message == "" {
message = http.StatusText(resp.StatusCode)
}
return assistantturn.Turn{}, &assistantturn.OutputError{Status: resp.StatusCode, Message: message, Code: "error"}
}
result := sse.CollectStream(resp, stdReq.Thinking, false)
return assistantturn.BuildTurnFromCollected(result, buildOptions(stdReq, usagePrompt, opts)), nil
}
func buildOptions(stdReq promptcompat.StandardRequest, prompt string, opts Options) assistantturn.BuildOptions {
return assistantturn.BuildOptions{
Model: stdReq.ResponseModel,
Prompt: prompt,
RefFileTokens: stdReq.RefFileTokens,
SearchEnabled: stdReq.Search,
StripReferenceMarkers: opts.StripReferenceMarkers,
ToolNames: stdReq.ToolNames,
ToolsRaw: stdReq.ToolsRaw,
ToolChoice: stdReq.ToolChoice,
}
}
func authOutputError(a *auth.RequestAuth) *assistantturn.OutputError {
if a != nil && a.UseConfigToken {
return &assistantturn.OutputError{Status: http.StatusUnauthorized, Message: "Account token is invalid. Please re-login the account in admin.", Code: "error"}
}
return &assistantturn.OutputError{Status: http.StatusUnauthorized, Message: "Invalid token. If this should be a DS2API key, add it to config.keys first.", Code: "error"}
}
func Errorf(status int, format string, args ...any) *assistantturn.OutputError {
return &assistantturn.OutputError{Status: status, Message: fmt.Sprintf(format, args...), Code: "error"}
}
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