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 "src/core/lib/surface/event_string.h"
20
21 #include <grpc/support/port_platform.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 if (reinterpret_cast<intptr_t>(ev->tag) < 1024 &&
31 reinterpret_cast<intptr_t>(ev->tag) > -1024) {
32 buf->push_back(
33 absl::StrFormat("tag:%d", reinterpret_cast<int64_t>(ev->tag)));
34 } else {
35 buf->push_back(absl::StrFormat("tag:%p", ev->tag));
36 }
37 }
38
errstr(int success)39 static const char* errstr(int success) { return success ? "OK" : "ERROR"; }
40
adderr(int success,std::vector<std::string> * buf)41 static void adderr(int success, std::vector<std::string>* buf) {
42 buf->push_back(absl::StrFormat(" %s", errstr(success)));
43 }
44
grpc_event_string(grpc_event * ev)45 std::string grpc_event_string(grpc_event* ev) {
46 if (ev == nullptr) return "null";
47 std::vector<std::string> out;
48 switch (ev->type) {
49 case GRPC_QUEUE_TIMEOUT:
50 out.push_back("QUEUE_TIMEOUT");
51 break;
52 case GRPC_QUEUE_SHUTDOWN:
53 out.push_back("QUEUE_SHUTDOWN");
54 break;
55 case GRPC_OP_COMPLETE:
56 out.push_back("OP_COMPLETE: ");
57 addhdr(ev, &out);
58 adderr(ev->success, &out);
59 break;
60 }
61 return absl::StrJoin(out, "");
62 }
63