1 /*
2 **
3 ** Copyright 2015, The Android Open Source Project
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 #define LOG_TAG "perfprofd"
19
20 #include <stdarg.h>
21 #include <unistd.h>
22 #include <vector>
23 #include <string>
24 #include <assert.h>
25
26 #include <utils/Log.h>
27
28 #include "perfprofdutils.h"
29
30 static std::vector<std::string> *mock_log;
31
append_to_log(const std::string & s)32 static void append_to_log(const std::string &s)
33 {
34 assert(mock_log);
35 mock_log->push_back(s);
36 }
37
mock_perfprofdutils_init()38 void mock_perfprofdutils_init()
39 {
40 assert(!mock_log);
41 mock_log = new std::vector<std::string>;
42 }
43
mock_perfprofdutils_finish()44 void mock_perfprofdutils_finish()
45 {
46 assert(mock_log);
47 delete mock_log;
48 }
49
mock_perfprofdutils_getlogged()50 std::string mock_perfprofdutils_getlogged()
51 {
52 std::string result;
53 assert(mock_log);
54 for (const std::string &s : (*mock_log)) {
55 result += s;
56 }
57 mock_log->clear();
58 return result;
59 }
60
61 extern "C" {
62
63 #define LMAX 8192
64
perfprofd_mocklog(const char * tag,const char * fmt,va_list ap)65 void perfprofd_mocklog(const char *tag, const char *fmt, va_list ap)
66 {
67 char buffer[LMAX];
68 strcpy(buffer, tag);
69 vsnprintf(buffer+strlen(tag), LMAX, fmt, ap);
70 std::string b(buffer); b += "\012";
71 append_to_log(b);
72 }
73
perfprofd_log_error(const char * fmt,...)74 void perfprofd_log_error(const char *fmt, ...)
75 {
76 va_list ap;
77 va_start(ap, fmt);
78 vfprintf(stderr, fmt, ap); fprintf(stderr, "\n");
79 perfprofd_mocklog("E: ", fmt, ap);
80 va_end(ap);
81 }
82
perfprofd_log_warning(const char * fmt,...)83 void perfprofd_log_warning(const char *fmt, ...)
84 {
85 va_list ap;
86 va_start(ap, fmt);
87 vfprintf(stderr, fmt, ap); fprintf(stderr, "\n");
88 perfprofd_mocklog("W: ", fmt, ap);
89 va_end(ap);
90 }
91
perfprofd_log_info(const char * fmt,...)92 void perfprofd_log_info(const char *fmt, ...)
93 {
94 va_list ap;
95 va_start(ap, fmt);
96 vfprintf(stderr, fmt, ap); fprintf(stderr, "\n");
97 perfprofd_mocklog("I: ", fmt, ap);
98 va_end(ap);
99 }
100
perfprofd_sleep(int seconds)101 void perfprofd_sleep(int seconds)
102 {
103 perfprofd_log_info("sleep %d seconds", seconds);
104 }
105
106 }
107