C++ (Cpp) handle_txn_start示例

示例#1

static int
process_plugin(INKCont contp, INKEvent event, void *edata)
{
  LOG_SET_FUNCTION_NAME("process_plugin");

  INKHttpTxn txnp = (INKHttpTxn) edata;

  switch (event) {
  case INK_EVENT_HTTP_TXN_START:
    handle_txn_start(contp, txnp);
    break;
  case INK_EVENT_HTTP_READ_CACHE_HDR:
    handle_cache_hdr(txnp);
    break;
  case INK_EVENT_HTTP_READ_RESPONSE_HDR:
    handle_response_hdr(contp, txnp);
    break;
  default:
    break;
  }

  if (INKHttpTxnReenable(txnp, INK_EVENT_HTTP_CONTINUE) == INK_ERROR)
    LOG_ERROR("INKHttpTxnReenable");

  return 0;
}

示例#2

文件： blacklist_1.c 项目： chenglongwei/trafficserver

static int
blacklist_plugin(TSCont contp, TSEvent event, void *edata)
{
  TSHttpTxn txnp;
  cdata *cd;

  switch (event) {
  case TS_EVENT_HTTP_TXN_START:
    txnp = (TSHttpTxn)edata;
    handle_txn_start(contp, txnp);
    return 0;
  case TS_EVENT_HTTP_OS_DNS:
    if (contp != global_contp) {
      cd     = (cdata *)TSContDataGet(contp);
      cd->cf = HANDLE_DNS;
      handle_dns(cd->txnp, contp);
      return 0;
    } else {
      break;
    }
  case TS_EVENT_HTTP_TXN_CLOSE:
    txnp = (TSHttpTxn)edata;
    if (contp != global_contp) {
      destroy_continuation(txnp, contp);
    }
    break;
  case TS_EVENT_HTTP_SEND_RESPONSE_HDR:
    if (contp != global_contp) {
      cd     = (cdata *)TSContDataGet(contp);
      cd->cf = HANDLE_RESPONSE;
      handle_response(cd->txnp, contp);
      return 0;
    } else {
      break;
    }
  case TS_EVENT_TIMEOUT:
    /* when mutex lock is not acquired and continuation is rescheduled,
       the plugin is called back with TS_EVENT_TIMEOUT with a NULL
       edata. We need to decide, in which function did the MutexLock
       failed and call that function again */
    if (contp != global_contp) {
      cd = (cdata *)TSContDataGet(contp);
      switch (cd->cf) {
      case HANDLE_DNS:
        handle_dns(cd->txnp, contp);
        return 0;
      case HANDLE_RESPONSE:
        handle_response(cd->txnp, contp);
        return 0;
      default:
        TSDebug(PLUGIN_NAME, "This event was unexpected: %d", event);
        break;
      }
    } else {
      read_blacklist(contp);
      return 0;
    }
  default:
    break;
  }
  return 0;
}