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 <algorithm>
24 #include <vector>
25
26 #include "absl/strings/str_format.h"
27 #include "absl/strings/str_join.h"
28
addhdr(grpc_event * ev,std::vector<std::string> * buf)29 static void addhdr(grpc_event* ev, std::vector<std::string>* buf) {
30 buf->push_back(absl::StrFormat("tag:%p", ev->tag));
31 }
32
errstr(int success)33 static const char* errstr(int success) { return success ? "OK" : "ERROR"; }
34
adderr(int success,std::vector<std::string> * buf)35 static void adderr(int success, std::vector<std::string>* buf) {
36 buf->push_back(absl::StrFormat(" %s", errstr(success)));
37 }
38
grpc_event_string(grpc_event * ev)39 std::string grpc_event_string(grpc_event* ev) {
40 if (ev == nullptr) return "null";
41 std::vector<std::string> out;
42 switch (ev->type) {
43 case GRPC_QUEUE_TIMEOUT:
44 out.push_back("QUEUE_TIMEOUT");
45 break;
46 case GRPC_QUEUE_SHUTDOWN:
47 out.push_back("QUEUE_SHUTDOWN");
48 break;
49 case GRPC_OP_COMPLETE:
50 out.push_back("OP_COMPLETE: ");
51 addhdr(ev, &out);
52 adderr(ev->success, &out);
53 break;
54 }
55 return absl::StrJoin(out, "");
56 }
57