Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #include "src/core/surface/event_string.h"
      35             : 
      36             : #include <stdio.h>
      37             : 
      38             : #include "src/core/support/string.h"
      39             : #include <grpc/byte_buffer.h>
      40             : #include <grpc/support/string_util.h>
      41             : 
      42        2658 : static void addhdr(gpr_strvec *buf, grpc_event *ev) {
      43             :   char *tmp;
      44        2658 :   gpr_asprintf(&tmp, "tag:%p", ev->tag);
      45        2658 :   gpr_strvec_add(buf, tmp);
      46        2658 : }
      47             : 
      48        2658 : static const char *errstr(int success) { return success ? "OK" : "ERROR"; }
      49             : 
      50        2658 : static void adderr(gpr_strvec *buf, int success) {
      51             :   char *tmp;
      52        2658 :   gpr_asprintf(&tmp, " %s", errstr(success));
      53        2658 :   gpr_strvec_add(buf, tmp);
      54        2658 : }
      55             : 
      56        3058 : char *grpc_event_string(grpc_event *ev) {
      57             :   char *out;
      58             :   gpr_strvec buf;
      59             : 
      60        3058 :   if (ev == NULL) return gpr_strdup("null");
      61             : 
      62        3058 :   gpr_strvec_init(&buf);
      63             : 
      64        3058 :   switch (ev->type) {
      65             :     case GRPC_QUEUE_TIMEOUT:
      66           2 :       gpr_strvec_add(&buf, gpr_strdup("QUEUE_TIMEOUT"));
      67           2 :       break;
      68             :     case GRPC_QUEUE_SHUTDOWN:
      69         398 :       gpr_strvec_add(&buf, gpr_strdup("QUEUE_SHUTDOWN"));
      70         398 :       break;
      71             :     case GRPC_OP_COMPLETE:
      72        2658 :       gpr_strvec_add(&buf, gpr_strdup("OP_COMPLETE: "));
      73        2658 :       addhdr(&buf, ev);
      74        2658 :       adderr(&buf, ev->success);
      75        2658 :       break;
      76             :   }
      77             : 
      78        3058 :   out = gpr_strvec_flatten(&buf, NULL);
      79        3058 :   gpr_strvec_destroy(&buf);
      80        3058 :   return out;
      81             : }