1 | // Copyright (c) 2007, Google Inc. |
2 | // All rights reserved. |
3 | // |
4 | // Redistribution and use in source and binary forms, with or without |
5 | // modification, are permitted provided that the following conditions are |
6 | // met: |
7 | // |
8 | // * Redistributions of source code must retain the above copyright |
9 | // notice, this list of conditions and the following disclaimer. |
10 | // * Redistributions in binary form must reproduce the above |
11 | // copyright notice, this list of conditions and the following disclaimer |
12 | // in the documentation and/or other materials provided with the |
13 | // distribution. |
14 | // * Neither the name of Google Inc. nor the names of its |
15 | // contributors may be used to endorse or promote products derived from |
16 | // this software without specific prior written permission. |
17 | // |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | |
30 | // logging.cc: Breakpad logging |
31 | // |
32 | // See logging.h for documentation. |
33 | // |
34 | // Author: Mark Mentovai |
35 | |
36 | #include <assert.h> |
37 | #include <errno.h> |
38 | #include <string.h> |
39 | #include <time.h> |
40 | |
41 | #include <string> |
42 | |
43 | #include "common/stdio_wrapper.h" |
44 | #include "common/using_std_string.h" |
45 | #include "processor/logging.h" |
46 | #include "processor/pathname_stripper.h" |
47 | |
48 | namespace google_breakpad { |
49 | |
50 | LogStream::LogStream(std::ostream& stream, Severity severity, |
51 | const char* file, int line) |
52 | : stream_(stream) { |
53 | time_t clock; |
54 | time(&clock); |
55 | struct tm tm_struct; |
56 | #ifdef _WIN32 |
57 | localtime_s(&tm_struct, &clock); |
58 | #else |
59 | localtime_r(&clock, &tm_struct); |
60 | #endif |
61 | char time_string[20]; |
62 | strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S" , &tm_struct); |
63 | |
64 | const char* severity_string = "UNKNOWN_SEVERITY" ; |
65 | switch (severity) { |
66 | case SEVERITY_INFO: |
67 | severity_string = "INFO" ; |
68 | break; |
69 | case SEVERITY_ERROR: |
70 | severity_string = "ERROR" ; |
71 | break; |
72 | case SEVERITY_CRITICAL: |
73 | severity_string = "CRITICAL" ; |
74 | break; |
75 | } |
76 | |
77 | stream_ << time_string << ": " << PathnameStripper::File(file) << ":" << |
78 | line << ": " << severity_string << ": " ; |
79 | } |
80 | |
81 | LogStream::~LogStream() { |
82 | stream_ << std::endl; |
83 | } |
84 | |
85 | string HexString(uint32_t number) { |
86 | char buffer[11]; |
87 | snprintf(buffer, sizeof(buffer), "0x%x" , number); |
88 | return string(buffer); |
89 | } |
90 | |
91 | string HexString(uint64_t number) { |
92 | char buffer[19]; |
93 | snprintf(buffer, sizeof(buffer), "0x%" PRIx64, number); |
94 | return string(buffer); |
95 | } |
96 | |
97 | string HexString(int number) { |
98 | char buffer[19]; |
99 | snprintf(buffer, sizeof(buffer), "0x%x" , number); |
100 | return string(buffer); |
101 | } |
102 | |
103 | int ErrnoString(string* error_string) { |
104 | assert(error_string); |
105 | |
106 | // strerror isn't necessarily thread-safe. strerror_r would be preferrable, |
107 | // but GNU libc uses a nonstandard strerror_r by default, which returns a |
108 | // char* (rather than an int success indicator) and doesn't necessarily |
109 | // use the supplied buffer. |
110 | error_string->assign(strerror(errno)); |
111 | return errno; |
112 | } |
113 | |
114 | } // namespace google_breakpad |
115 | |