1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/support/port_platform.h>
20
21 #include "src/core/lib/surface/event_string.h"
22
23 #include <stdio.h>
24
25 #include <grpc/byte_buffer.h>
26 #include <grpc/support/string_util.h>
27 #include "src/core/lib/gpr/string.h"
28
addhdr(gpr_strvec * buf,grpc_event * ev)29 static void addhdr(gpr_strvec* buf, grpc_event* ev) {
30 char* tmp;
31 gpr_asprintf(&tmp, "tag:%p", ev->tag);
32 gpr_strvec_add(buf, tmp);
33 }
34
errstr(int success)35 static const char* errstr(int success) { return success ? "OK" : "ERROR"; }
36
adderr(gpr_strvec * buf,int success)37 static void adderr(gpr_strvec* buf, int success) {
38 char* tmp;
39 gpr_asprintf(&tmp, " %s", errstr(success));
40 gpr_strvec_add(buf, tmp);
41 }
42
grpc_event_string(grpc_event * ev)43 char* grpc_event_string(grpc_event* ev) {
44 char* out;
45 gpr_strvec buf;
46
47 if (ev == nullptr) return gpr_strdup("null");
48
49 gpr_strvec_init(&buf);
50
51 switch (ev->type) {
52 case GRPC_QUEUE_TIMEOUT:
53 gpr_strvec_add(&buf, gpr_strdup("QUEUE_TIMEOUT"));
54 break;
55 case GRPC_QUEUE_SHUTDOWN:
56 gpr_strvec_add(&buf, gpr_strdup("QUEUE_SHUTDOWN"));
57 break;
58 case GRPC_OP_COMPLETE:
59 gpr_strvec_add(&buf, gpr_strdup("OP_COMPLETE: "));
60 addhdr(&buf, ev);
61 adderr(&buf, ev->success);
62 break;
63 }
64
65 out = gpr_strvec_flatten(&buf, nullptr);
66 gpr_strvec_destroy(&buf);
67 return out;
68 }
69