|
| 1 | +package aibridge |
| 2 | + |
| 3 | +import ( |
| 4 | + "log" |
| 5 | + "net/http" |
| 6 | + "net/http/httputil" |
| 7 | + "os" |
| 8 | +) |
| 9 | + |
| 10 | +// logUpstreamRequest logs an HTTP request with the given ID and model name. |
| 11 | +// The prefix format is: [req] [id] [model] |
| 12 | +func logUpstreamRequest(logger *log.Logger, id, model string, req *http.Request) { |
| 13 | + if logger == nil { |
| 14 | + return |
| 15 | + } |
| 16 | + |
| 17 | + if reqDump, err := httputil.DumpRequest(req, true); err == nil { |
| 18 | + logger.Printf("[req] [%s] [%s] %s", id, model, reqDump) |
| 19 | + } |
| 20 | +} |
| 21 | + |
| 22 | +// logUpstreamResponse logs an HTTP response with the given ID and model name. |
| 23 | +// The prefix format is: [res] [id] [model] |
| 24 | +func logUpstreamResponse(logger *log.Logger, id, model string, resp *http.Response) { |
| 25 | + if logger == nil { |
| 26 | + return |
| 27 | + } |
| 28 | + |
| 29 | + if respDump, err := httputil.DumpResponse(resp, true); err == nil { |
| 30 | + logger.Printf("[res] [%s] [%s] %s", id, model, respDump) |
| 31 | + } |
| 32 | +} |
| 33 | + |
| 34 | +// logUpstreamError logs an error that occurred during request/response processing. |
| 35 | +// The prefix format is: [res] [id] [model] Error: |
| 36 | +func logUpstreamError(logger *log.Logger, id, model string, err error) { |
| 37 | + if logger == nil { |
| 38 | + return |
| 39 | + } |
| 40 | + |
| 41 | + logger.Printf("[res] [%s] [%s] Error: %v", id, model, err) |
| 42 | +} |
| 43 | + |
| 44 | +// createLoggingMiddleware creates a middleware function that logs requests and responses. |
| 45 | +// Returns nil if logging setup fails. |
| 46 | +func createLoggingMiddleware(provider, id, model string) func(*http.Request, func(*http.Request) (*http.Response, error)) (*http.Response, error) { |
| 47 | + reqLogFile, err := os.OpenFile("/tmp/"+provider+"-req.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644) |
| 48 | + if err != nil { |
| 49 | + return nil |
| 50 | + } |
| 51 | + |
| 52 | + resLogFile, err := os.OpenFile("/tmp/"+provider+"-res.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644) |
| 53 | + if err != nil { |
| 54 | + reqLogFile.Close() |
| 55 | + return nil |
| 56 | + } |
| 57 | + |
| 58 | + reqLogger := log.New(reqLogFile, "", log.LstdFlags) |
| 59 | + resLogger := log.New(resLogFile, "", log.LstdFlags) |
| 60 | + |
| 61 | + return func(req *http.Request, next func(*http.Request) (*http.Response, error)) (*http.Response, error) { |
| 62 | + logUpstreamRequest(reqLogger, id, model, req) |
| 63 | + |
| 64 | + resp, err := next(req) |
| 65 | + if err != nil { |
| 66 | + logUpstreamError(resLogger, id, model, err) |
| 67 | + return resp, err |
| 68 | + } |
| 69 | + |
| 70 | + logUpstreamResponse(resLogger, id, model, resp) |
| 71 | + |
| 72 | + return resp, err |
| 73 | + } |
| 74 | +} |
0 commit comments