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 <vector>
26
27 #include "absl/strings/str_format.h"
28 #include "absl/strings/str_join.h"
29
30 #include <grpc/byte_buffer.h>
31 #include <grpc/support/string_util.h>
32 #include "src/core/lib/gpr/string.h"
33
addhdr(grpc_event * ev,std::vector<std::string> * buf)34 static void addhdr(grpc_event* ev, std::vector<std::string>* buf) {
35 buf->push_back(absl::StrFormat("tag:%p", ev->tag));
36 }
37
errstr(int success)38 static const char* errstr(int success) { return success ? "OK" : "ERROR"; }
39
adderr(int success,std::vector<std::string> * buf)40 static void adderr(int success, std::vector<std::string>* buf) {
41 buf->push_back(absl::StrFormat(" %s", errstr(success)));
42 }
43
grpc_event_string(grpc_event * ev)44 std::string grpc_event_string(grpc_event* ev) {
45 if (ev == nullptr) return "null";
46 std::vector<std::string> out;
47 switch (ev->type) {
48 case GRPC_QUEUE_TIMEOUT:
49 out.push_back("QUEUE_TIMEOUT");
50 break;
51 case GRPC_QUEUE_SHUTDOWN:
52 out.push_back("QUEUE_SHUTDOWN");
53 break;
54 case GRPC_OP_COMPLETE:
55 out.push_back("OP_COMPLETE: ");
56 addhdr(ev, &out);
57 adderr(ev->success, &out);
58 break;
59 }
60 return absl::StrJoin(out, "");
61 }
62