1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <fcntl.h>
18 #include <sys/cdefs.h>
19
20 #include <gtest/gtest.h>
21
22 // Should be in bionic test suite, *but* we are using liblog to confirm
23 // end-to-end logging, so let the overly cute oedipus complex begin ...
24 #include "../../../../bionic/libc/bionic/libc_logging.cpp" // not Standalone
25 #define _ANDROID_LOG_H // Priorities redefined
26 #define _LIBS_LOG_LOG_H // log ids redefined
27 typedef unsigned char log_id_t; // log_id_t missing as a result
28 #ifdef TARGET_USES_LOGD
29 #define _LIBS_LOG_LOG_READ_H // log_time redefined
30 #endif
31
32 #include <log/log.h>
33 #include <log/logger.h>
34 #include <log/log_read.h>
35
TEST(libc,__libc_android_log_event_int)36 TEST(libc, __libc_android_log_event_int) {
37 struct logger_list *logger_list;
38
39 pid_t pid = getpid();
40
41 ASSERT_TRUE(NULL != (logger_list = android_logger_list_open(
42 LOG_ID_EVENTS, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, 1000, pid)));
43
44 struct timespec ts;
45 clock_gettime(CLOCK_MONOTONIC, &ts);
46 int value = ts.tv_nsec;
47
48 __libc_android_log_event_int(0, value);
49 usleep(1000000);
50
51 int count = 0;
52
53 for (;;) {
54 log_msg log_msg;
55 if (android_logger_list_read(logger_list, &log_msg) <= 0) {
56 break;
57 }
58
59 ASSERT_EQ(log_msg.entry.pid, pid);
60
61 if ((log_msg.entry.len != (4 + 1 + 4))
62 || ((int)log_msg.id() != LOG_ID_EVENTS)) {
63 continue;
64 }
65
66 char *eventData = log_msg.msg();
67
68 int incoming = (eventData[0] & 0xFF) |
69 ((eventData[1] & 0xFF) << 8) |
70 ((eventData[2] & 0xFF) << 16) |
71 ((eventData[3] & 0xFF) << 24);
72
73 if (incoming != 0) {
74 continue;
75 }
76
77 if (eventData[4] != EVENT_TYPE_INT) {
78 continue;
79 }
80
81 incoming = (eventData[4 + 1 + 0] & 0xFF) |
82 ((eventData[4 + 1 + 1] & 0xFF) << 8) |
83 ((eventData[4 + 1 + 2] & 0xFF) << 16) |
84 ((eventData[4 + 1 + 3] & 0xFF) << 24);
85
86 if (incoming == value) {
87 ++count;
88 }
89 }
90
91 EXPECT_EQ(1, count);
92
93 android_logger_list_close(logger_list);
94 }
95
TEST(libc,__libc_fatal_no_abort)96 TEST(libc, __libc_fatal_no_abort) {
97 struct logger_list *logger_list;
98
99 pid_t pid = getpid();
100
101 ASSERT_TRUE(NULL != (logger_list = android_logger_list_open(
102 (log_id_t)LOG_ID_CRASH, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, 1000, pid)));
103
104 char b[80];
105 struct timespec ts;
106 clock_gettime(CLOCK_MONOTONIC, &ts);
107
108 __libc_fatal_no_abort("%u.%09u", (unsigned)ts.tv_sec, (unsigned)ts.tv_nsec);
109 snprintf(b, sizeof(b),"%u.%09u", (unsigned)ts.tv_sec, (unsigned)ts.tv_nsec);
110 usleep(1000000);
111
112 int count = 0;
113
114 for (;;) {
115 log_msg log_msg;
116 if (android_logger_list_read(logger_list, &log_msg) <= 0) {
117 break;
118 }
119
120 ASSERT_EQ(log_msg.entry.pid, pid);
121
122 if ((int)log_msg.id() != LOG_ID_CRASH) {
123 continue;
124 }
125
126 char *data = log_msg.msg();
127
128 if ((*data == ANDROID_LOG_FATAL)
129 && !strcmp(data + 1, "libc")
130 && !strcmp(data + 1 + strlen(data + 1) + 1, b)) {
131 ++count;
132 }
133 }
134
135 EXPECT_EQ(1, count);
136
137 android_logger_list_close(logger_list);
138 }
139
TEST(libc,__pstore_append)140 TEST(libc, __pstore_append) {
141 FILE *fp;
142 ASSERT_TRUE(NULL != (fp = fopen("/dev/pmsg0", "a")));
143 static const char message[] = "libc.__pstore_append\n";
144 ASSERT_EQ((size_t)1, fwrite(message, sizeof(message), 1, fp));
145 ASSERT_EQ(0, fclose(fp));
146 fprintf(stderr, "Reboot, ensure string libc.__pstore_append is in /sys/fs/pstore/pmsg-ramoops-0\n");
147 }
148