70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
/*
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* Copyright (C) Max Romanov
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* Copyright (C) NGINX, Inc.
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*/
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package unit
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/*
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#include "nxt_go_lib.h"
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*/
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import "C"
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import (
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"fmt"
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"net/http"
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"os"
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)
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type response struct {
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header http.Header
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headerSent bool
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req *http.Request
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c_req C.nxt_go_request_t
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}
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func new_response(c_req C.nxt_go_request_t, req *http.Request) *response {
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resp := &response{
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header: http.Header{},
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req: req,
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c_req: c_req,
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}
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return resp
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}
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func (r *response) Header() http.Header {
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return r.header
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}
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func (r *response) Write(p []byte) (n int, err error) {
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if !r.headerSent {
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r.WriteHeader(http.StatusOK)
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}
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l := C.size_t(len(p))
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b := getCBytes(p)
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res := C.nxt_go_response_write(r.c_req, b, l)
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C.free(b)
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return int(res), nil
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}
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func (r *response) WriteHeader(code int) {
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if r.headerSent {
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// Note: explicitly using Stderr, as Stdout is our HTTP output.
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fmt.Fprintf(os.Stderr, "CGI attempted to write header twice")
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return
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}
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r.headerSent = true
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fmt.Fprintf(r, "%s %d %s\r\n", r.req.Proto, code, http.StatusText(code))
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// Set a default Content-Type
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if _, hasType := r.header["Content-Type"]; !hasType {
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r.header.Add("Content-Type", "text/html; charset=utf-8")
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}
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r.header.Write(r)
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r.Write([]byte("\r\n"))
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}
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