Function WriteResponseHeader

plugins/statichit/statichit.cc:300–352

}

static TSReturnCode
WriteResponseHeader(StaticHitRequest *trq, TSHttpStatus status)
{
  StaticHitHttpHeader response;

  VDEBUG("writing response header");

  if (TSHttpHdrTypeSet(response.buffer, response.header, TS_HTTP_TYPE_RESPONSE) != TS_SUCCESS) {
    VERROR("failed to set type");
    return TS_ERROR;
  }
  if (TSHttpHdrVersionSet(response.buffer, response.header, TS_HTTP_VERSION(1, 1)) != TS_SUCCESS) {
    VERROR("failed to set HTTP version");
    return TS_ERROR;
  }
  if (TSHttpHdrStatusSet(response.buffer, response.header, status) != TS_SUCCESS) {
    VERROR("failed to set HTTP status");
    return TS_ERROR;
  }

  TSHttpHdrReasonSet(response.buffer, response.header, TSHttpHdrReasonLookup(status), -1);

  if (status == TS_HTTP_STATUS_OK) {
    // Set the Content-Length header.
    HeaderFieldIntSet(response, TS_MIME_FIELD_CONTENT_LENGTH, TS_MIME_LEN_CONTENT_LENGTH, trq->nbytes);

    // Set the Cache-Control header.
    if (trq->maxAge > 0) {
      char buf[64];

      snprintf(buf, sizeof(buf), "max-age=%u", trq->maxAge);
      HeaderFieldStringSet(response, TS_MIME_FIELD_CACHE_CONTROL, TS_MIME_LEN_CACHE_CONTROL, buf);
      HeaderFieldDateSet(response, TS_MIME_FIELD_LAST_MODIFIED, TS_MIME_LEN_LAST_MODIFIED, time(nullptr));

    } else {
      HeaderFieldStringSet(response, TS_MIME_FIELD_CACHE_CONTROL, TS_MIME_LEN_CACHE_CONTROL, "no-cache");
    }

    HeaderFieldStringSet(response, TS_MIME_FIELD_CONTENT_TYPE, TS_MIME_LEN_CONTENT_TYPE, trq->mimeType.c_str());
  }

  // Write the header to the IO buffer. Set the VIO bytes so that we can get a WRITE_COMPLETE
  // event when this is done.
  int hdrlen = TSHttpHdrLengthGet(response.buffer, response.header);

  TSHttpHdrPrint(response.buffer, response.header, trq->writeio.iobuf);
  TSVIONBytesSet(trq->writeio.vio, hdrlen);
  TSVIOReenable(trq->writeio.vio);

  TSStatIntIncrement(StatCountBytes, hdrlen);

  return TS_SUCCESS;
}

static bool
StaticHitParseRequest(StaticHitRequest *trq)