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fix: use shared max_line_size config for OpenAI Responses SSE scanner

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Two SSE scanners in openai_gateway_messages.go were hardcoded to 1MB
while all other scanners use defaultMaxLineSize (500MB) with config
override. This caused Responses API streams to fail on large payloads.
This commit is contained in:
erio
2026-03-10 02:50:04 +08:00
parent c8eff34388
commit bcaae2eb91
1 changed files with 10 additions and 2 deletions
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12
backend/internal/service/openai_gateway_messages.go
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@@ -279,7 +279,11 @@ func (s *OpenAIGatewayService) handleAnthropicBufferedStreamingResponse(
requestID := resp.Header.Get("x-request-id")
scanner := bufio.NewScanner(resp.Body)
scanner.Buffer(make([]byte, 0, 64*1024), 1024*1024)
maxLineSize := defaultMaxLineSize
if s.cfg != nil && s.cfg.Gateway.MaxLineSize > 0 {
maxLineSize = s.cfg.Gateway.MaxLineSize
}
scanner.Buffer(make([]byte, 0, 64*1024), maxLineSize)
var finalResponse *apicompat.ResponsesResponse
var usage OpenAIUsage
@@ -378,7 +382,11 @@ func (s *OpenAIGatewayService) handleAnthropicStreamingResponse(
firstChunk := true
scanner := bufio.NewScanner(resp.Body)
scanner.Buffer(make([]byte, 0, 64*1024), 1024*1024)
maxLineSize := defaultMaxLineSize
if s.cfg != nil && s.cfg.Gateway.MaxLineSize > 0 {
maxLineSize = s.cfg.Gateway.MaxLineSize
}
scanner.Buffer(make([]byte, 0, 64*1024), maxLineSize)
// resultWithUsage builds the final result snapshot.
resultWithUsage := func() *OpenAIForwardResult {