| /* |
| * Copyright (C) 2013-2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <ctype.h> |
| #include <dirent.h> |
| #include <signal.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/types.h> |
| |
| #include <gtest/gtest.h> |
| #include <log/log.h> |
| #include <log/logger.h> |
| #include <log/log_read.h> |
| |
| // enhanced version of LOG_FAILURE_RETRY to add support for EAGAIN and |
| // non-syscall libs. Since we are only using this in the emergency of |
| // a signal to stuff a terminating code into the logs, we will spin rather |
| // than try a usleep. |
| #define LOG_FAILURE_RETRY(exp) ({ \ |
| typeof (exp) _rc; \ |
| do { \ |
| _rc = (exp); \ |
| } while (((_rc == -1) \ |
| && ((errno == EINTR) \ |
| || (errno == EAGAIN))) \ |
| || (_rc == -EINTR) \ |
| || (_rc == -EAGAIN)); \ |
| _rc; }) |
| |
| static const char begin[] = "--------- beginning of "; |
| |
| TEST(logcat, buckets) { |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -b radio -b events -b system -b main -d 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int ids = 0; |
| int count = 0; |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| if (!strncmp(begin, buffer, sizeof(begin) - 1)) { |
| while (char *cp = strrchr(buffer, '\n')) { |
| *cp = '\0'; |
| } |
| log_id_t id = android_name_to_log_id(buffer + sizeof(begin) - 1); |
| ids |= 1 << id; |
| ++count; |
| } |
| } |
| |
| pclose(fp); |
| |
| EXPECT_EQ(15, ids); |
| |
| EXPECT_EQ(4, count); |
| } |
| |
| TEST(logcat, year) { |
| |
| if (android_log_clockid() == CLOCK_MONOTONIC) { |
| fprintf(stderr, "Skipping test, logd is monotonic time\n"); |
| return; |
| } |
| |
| FILE *fp; |
| |
| char needle[32]; |
| time_t now; |
| time(&now); |
| struct tm *ptm; |
| #if !defined(_WIN32) |
| struct tm tmBuf; |
| ptm = localtime_r(&now, &tmBuf); |
| #else |
| ptm = localtime(&&now); |
| #endif |
| strftime(needle, sizeof(needle), "[ %Y-", ptm); |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v long -v year -b all -t 3 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| if (!strncmp(buffer, needle, strlen(needle))) { |
| ++count; |
| } |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(3, count); |
| } |
| |
| // Return a pointer to each null terminated -v long time field. |
| char *fgetLongTime(char *buffer, size_t buflen, FILE *fp) { |
| while (fgets(buffer, buflen, fp)) { |
| char *cp = buffer; |
| if (*cp != '[') { |
| continue; |
| } |
| while (*++cp == ' ') { |
| ; |
| } |
| char *ep = cp; |
| while (isdigit(*ep)) { |
| ++ep; |
| } |
| if ((*ep != '-') && (*ep != '.')) { |
| continue; |
| } |
| // Find PID field |
| while (((ep = strchr(ep, ':'))) && (*++ep != ' ')) { |
| ; |
| } |
| if (!ep) { |
| continue; |
| } |
| ep -= 7; |
| *ep = '\0'; |
| return cp; |
| } |
| return NULL; |
| } |
| |
| TEST(logcat, tz) { |
| |
| if (android_log_clockid() == CLOCK_MONOTONIC) { |
| fprintf(stderr, "Skipping test, logd is monotonic time\n"); |
| return; |
| } |
| |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v long -v America/Los_Angeles -b all -t 3 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgetLongTime(buffer, sizeof(buffer), fp)) { |
| if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) { |
| ++count; |
| } |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(3, count); |
| } |
| |
| TEST(logcat, ntz) { |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v long -v America/Los_Angeles -v zone -b all -t 3 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgetLongTime(buffer, sizeof(buffer), fp)) { |
| if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) { |
| ++count; |
| } |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(0, count); |
| } |
| |
| TEST(logcat, tail_3) { |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v long -b radio -b events -b system -b main -t 3 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgetLongTime(buffer, sizeof(buffer), fp)) { |
| ++count; |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(3, count); |
| } |
| |
| TEST(logcat, tail_10) { |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v long -b radio -b events -b system -b main -t 10 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgetLongTime(buffer, sizeof(buffer), fp)) { |
| ++count; |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(10, count); |
| } |
| |
| TEST(logcat, tail_100) { |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v long -b radio -b events -b system -b main -t 100 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgetLongTime(buffer, sizeof(buffer), fp)) { |
| ++count; |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(100, count); |
| } |
| |
| TEST(logcat, tail_1000) { |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v long -b radio -b events -b system -b main -t 1000 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgetLongTime(buffer, sizeof(buffer), fp)) { |
| ++count; |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(1000, count); |
| } |
| |
| TEST(logcat, tail_time) { |
| FILE *fp; |
| |
| ASSERT_TRUE(NULL != (fp = popen("logcat -v long -b all -t 10 2>&1", "r"))); |
| |
| char buffer[5120]; |
| char *last_timestamp = NULL; |
| char *first_timestamp = NULL; |
| int count = 0; |
| |
| char *cp; |
| while ((cp = fgetLongTime(buffer, sizeof(buffer), fp))) { |
| ++count; |
| if (!first_timestamp) { |
| first_timestamp = strdup(cp); |
| } |
| free(last_timestamp); |
| last_timestamp = strdup(cp); |
| } |
| pclose(fp); |
| |
| EXPECT_EQ(10, count); |
| EXPECT_TRUE(last_timestamp != NULL); |
| EXPECT_TRUE(first_timestamp != NULL); |
| |
| snprintf(buffer, sizeof(buffer), "logcat -v long -b all -t '%s' 2>&1", |
| first_timestamp); |
| ASSERT_TRUE(NULL != (fp = popen(buffer, "r"))); |
| |
| int second_count = 0; |
| int last_timestamp_count = -1; |
| |
| while ((cp = fgetLongTime(buffer, sizeof(buffer), fp))) { |
| ++second_count; |
| if (first_timestamp) { |
| // we can get a transitory *extremely* rare failure if hidden |
| // underneath the time is *exactly* XX-XX XX:XX:XX.XXX000000 |
| EXPECT_STREQ(cp, first_timestamp); |
| free(first_timestamp); |
| first_timestamp = NULL; |
| } |
| if (!strcmp(cp, last_timestamp)) { |
| last_timestamp_count = second_count; |
| } |
| } |
| pclose(fp); |
| |
| free(last_timestamp); |
| last_timestamp = NULL; |
| free(first_timestamp); |
| |
| EXPECT_TRUE(first_timestamp == NULL); |
| EXPECT_LE(count, second_count); |
| EXPECT_LE(count, last_timestamp_count); |
| } |
| |
| TEST(logcat, End_to_End) { |
| pid_t pid = getpid(); |
| |
| log_time ts(CLOCK_MONOTONIC); |
| |
| ASSERT_LT(0, __android_log_btwrite(0, EVENT_TYPE_LONG, &ts, sizeof(ts))); |
| |
| FILE *fp; |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v brief -b events -t 100 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| int p; |
| unsigned long long t; |
| |
| if ((2 != sscanf(buffer, "I/[0] ( %d): %llu", &p, &t)) |
| || (p != pid)) { |
| continue; |
| } |
| |
| log_time tx((const char *) &t); |
| if (ts == tx) { |
| ++count; |
| } |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(1, count); |
| } |
| |
| TEST(logcat, get_size) { |
| FILE *fp; |
| |
| // NB: crash log only available in user space |
| ASSERT_TRUE(NULL != (fp = popen( |
| "logcat -v brief -b radio -b events -b system -b main -g 2>/dev/null", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| int size, consumed, max, payload; |
| char size_mult[3], consumed_mult[3]; |
| long full_size, full_consumed; |
| |
| size = consumed = max = payload = 0; |
| // NB: crash log can be very small, not hit a Kb of consumed space |
| // doubly lucky we are not including it. |
| if (6 != sscanf(buffer, "%*s ring buffer is %d%2s (%d%2s consumed)," |
| " max entry is %db, max payload is %db", |
| &size, size_mult, &consumed, consumed_mult, |
| &max, &payload)) { |
| fprintf(stderr, "WARNING: Parse error: %s", buffer); |
| continue; |
| } |
| full_size = size; |
| switch(size_mult[0]) { |
| case 'G': |
| full_size *= 1024; |
| /* FALLTHRU */ |
| case 'M': |
| full_size *= 1024; |
| /* FALLTHRU */ |
| case 'K': |
| full_size *= 1024; |
| /* FALLTHRU */ |
| case 'b': |
| break; |
| } |
| full_consumed = consumed; |
| switch(consumed_mult[0]) { |
| case 'G': |
| full_consumed *= 1024; |
| /* FALLTHRU */ |
| case 'M': |
| full_consumed *= 1024; |
| /* FALLTHRU */ |
| case 'K': |
| full_consumed *= 1024; |
| /* FALLTHRU */ |
| case 'b': |
| break; |
| } |
| EXPECT_GT((full_size * 9) / 4, full_consumed); |
| EXPECT_GT(full_size, max); |
| EXPECT_GT(max, payload); |
| |
| if ((((full_size * 9) / 4) >= full_consumed) |
| && (full_size > max) |
| && (max > payload)) { |
| ++count; |
| } |
| } |
| |
| pclose(fp); |
| |
| ASSERT_EQ(4, count); |
| } |
| |
| static void caught_blocking(int /*signum*/) |
| { |
| unsigned long long v = 0xDEADBEEFA55A0000ULL; |
| |
| v += getpid() & 0xFFFF; |
| |
| LOG_FAILURE_RETRY(__android_log_btwrite(0, EVENT_TYPE_LONG, &v, sizeof(v))); |
| } |
| |
| TEST(logcat, blocking) { |
| FILE *fp; |
| unsigned long long v = 0xDEADBEEFA55F0000ULL; |
| |
| pid_t pid = getpid(); |
| |
| v += pid & 0xFFFF; |
| |
| LOG_FAILURE_RETRY(__android_log_btwrite(0, EVENT_TYPE_LONG, &v, sizeof(v))); |
| |
| v &= 0xFFFFFFFFFFFAFFFFULL; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "( trap exit HUP QUIT INT PIPE KILL ; sleep 6; echo DONE )&" |
| " logcat -v brief -b events 2>&1", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| int signals = 0; |
| |
| signal(SIGALRM, caught_blocking); |
| alarm(2); |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| |
| if (!strncmp(buffer, "DONE", 4)) { |
| break; |
| } |
| |
| ++count; |
| |
| int p; |
| unsigned long long l; |
| |
| if ((2 != sscanf(buffer, "I/[0] ( %u): %lld", &p, &l)) |
| || (p != pid)) { |
| continue; |
| } |
| |
| if (l == v) { |
| ++signals; |
| break; |
| } |
| } |
| alarm(0); |
| signal(SIGALRM, SIG_DFL); |
| |
| // Generate SIGPIPE |
| fclose(fp); |
| caught_blocking(0); |
| |
| pclose(fp); |
| |
| EXPECT_LE(2, count); |
| |
| EXPECT_EQ(1, signals); |
| } |
| |
| static void caught_blocking_tail(int /*signum*/) |
| { |
| unsigned long long v = 0xA55ADEADBEEF0000ULL; |
| |
| v += getpid() & 0xFFFF; |
| |
| LOG_FAILURE_RETRY(__android_log_btwrite(0, EVENT_TYPE_LONG, &v, sizeof(v))); |
| } |
| |
| TEST(logcat, blocking_tail) { |
| FILE *fp; |
| unsigned long long v = 0xA55FDEADBEEF0000ULL; |
| |
| pid_t pid = getpid(); |
| |
| v += pid & 0xFFFF; |
| |
| LOG_FAILURE_RETRY(__android_log_btwrite(0, EVENT_TYPE_LONG, &v, sizeof(v))); |
| |
| v &= 0xFFFAFFFFFFFFFFFFULL; |
| |
| ASSERT_TRUE(NULL != (fp = popen( |
| "( trap exit HUP QUIT INT PIPE KILL ; sleep 6; echo DONE )&" |
| " logcat -v brief -b events -T 5 2>&1", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| int signals = 0; |
| |
| signal(SIGALRM, caught_blocking_tail); |
| alarm(2); |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| |
| if (!strncmp(buffer, "DONE", 4)) { |
| break; |
| } |
| |
| ++count; |
| |
| int p; |
| unsigned long long l; |
| |
| if ((2 != sscanf(buffer, "I/[0] ( %u): %lld", &p, &l)) |
| || (p != pid)) { |
| continue; |
| } |
| |
| if (l == v) { |
| if (count >= 5) { |
| ++signals; |
| } |
| break; |
| } |
| } |
| alarm(0); |
| signal(SIGALRM, SIG_DFL); |
| |
| // Generate SIGPIPE |
| fclose(fp); |
| caught_blocking_tail(0); |
| |
| pclose(fp); |
| |
| EXPECT_LE(2, count); |
| |
| EXPECT_EQ(1, signals); |
| } |
| |
| TEST(logcat, logrotate) { |
| static const char form[] = "/data/local/tmp/logcat.logrotate.XXXXXX"; |
| char buf[sizeof(form)]; |
| ASSERT_TRUE(NULL != mkdtemp(strcpy(buf, form))); |
| |
| static const char comm[] = "logcat -b radio -b events -b system -b main" |
| " -d -f %s/log.txt -n 7 -r 1"; |
| char command[sizeof(buf) + sizeof(comm)]; |
| snprintf(command, sizeof(command), comm, buf); |
| |
| int ret; |
| EXPECT_FALSE((ret = system(command))); |
| if (!ret) { |
| snprintf(command, sizeof(command), "ls -s %s 2>/dev/null", buf); |
| |
| FILE *fp; |
| EXPECT_TRUE(NULL != (fp = popen(command, "r"))); |
| if (fp) { |
| char buffer[5120]; |
| int count = 0; |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| static const char total[] = "total "; |
| int num; |
| char c; |
| |
| if ((2 == sscanf(buffer, "%d log.tx%c", &num, &c)) && |
| (num <= 24)) { |
| ++count; |
| } else if (strncmp(buffer, total, sizeof(total) - 1)) { |
| fprintf(stderr, "WARNING: Parse error: %s", buffer); |
| } |
| } |
| pclose(fp); |
| if ((count != 7) && (count != 8)) { |
| fprintf(stderr, "count=%d\n", count); |
| } |
| EXPECT_TRUE(count == 7 || count == 8); |
| } |
| } |
| snprintf(command, sizeof(command), "rm -rf %s", buf); |
| EXPECT_FALSE(system(command)); |
| } |
| |
| TEST(logcat, logrotate_suffix) { |
| static const char tmp_out_dir_form[] = "/data/local/tmp/logcat.logrotate.XXXXXX"; |
| char tmp_out_dir[sizeof(tmp_out_dir_form)]; |
| ASSERT_TRUE(NULL != mkdtemp(strcpy(tmp_out_dir, tmp_out_dir_form))); |
| |
| static const char logcat_cmd[] = "logcat -b radio -b events -b system -b main" |
| " -d -f %s/log.txt -n 10 -r 1"; |
| char command[sizeof(tmp_out_dir) + sizeof(logcat_cmd)]; |
| snprintf(command, sizeof(command), logcat_cmd, tmp_out_dir); |
| |
| int ret; |
| EXPECT_FALSE((ret = system(command))); |
| if (!ret) { |
| snprintf(command, sizeof(command), "ls %s 2>/dev/null", tmp_out_dir); |
| |
| FILE *fp; |
| EXPECT_TRUE(NULL != (fp = popen(command, "r"))); |
| char buffer[5120]; |
| int log_file_count = 0; |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| static const char rotated_log_filename_prefix[] = "log.txt."; |
| static const size_t rotated_log_filename_prefix_len = |
| strlen(rotated_log_filename_prefix); |
| static const char log_filename[] = "log.txt"; |
| |
| if (!strncmp(buffer, rotated_log_filename_prefix, rotated_log_filename_prefix_len)) { |
| // Rotated file should have form log.txt.## |
| char* rotated_log_filename_suffix = buffer + rotated_log_filename_prefix_len; |
| char* endptr; |
| const long int suffix_value = strtol(rotated_log_filename_suffix, &endptr, 10); |
| EXPECT_EQ(rotated_log_filename_suffix + 2, endptr); |
| EXPECT_LE(suffix_value, 10); |
| EXPECT_GT(suffix_value, 0); |
| ++log_file_count; |
| continue; |
| } |
| |
| if (!strncmp(buffer, log_filename, strlen(log_filename))) { |
| ++log_file_count; |
| continue; |
| } |
| |
| fprintf(stderr, "ERROR: Unexpected file: %s", buffer); |
| ADD_FAILURE(); |
| } |
| pclose(fp); |
| EXPECT_EQ(11, log_file_count); |
| } |
| snprintf(command, sizeof(command), "rm -rf %s", tmp_out_dir); |
| EXPECT_FALSE(system(command)); |
| } |
| |
| TEST(logcat, logrotate_continue) { |
| static const char tmp_out_dir_form[] = "/data/local/tmp/logcat.logrotate.XXXXXX"; |
| char tmp_out_dir[sizeof(tmp_out_dir_form)]; |
| ASSERT_TRUE(NULL != mkdtemp(strcpy(tmp_out_dir, tmp_out_dir_form))); |
| |
| static const char log_filename[] = "log.txt"; |
| static const char logcat_cmd[] = "logcat -b all -d -f %s/%s -n 256 -r 1024"; |
| static const char cleanup_cmd[] = "rm -rf %s"; |
| char command[sizeof(tmp_out_dir) + sizeof(logcat_cmd) + sizeof(log_filename)]; |
| snprintf(command, sizeof(command), logcat_cmd, tmp_out_dir, log_filename); |
| |
| int ret; |
| EXPECT_FALSE((ret = system(command))); |
| if (ret) { |
| snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir); |
| EXPECT_FALSE(system(command)); |
| return; |
| } |
| FILE *fp; |
| snprintf(command, sizeof(command), "%s/%s", tmp_out_dir, log_filename); |
| EXPECT_TRUE(NULL != ((fp = fopen(command, "r")))); |
| if (!fp) { |
| snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir); |
| EXPECT_FALSE(system(command)); |
| return; |
| } |
| char *line = NULL; |
| char *last_line = NULL; // this line is allowed to stutter, one-line overlap |
| char *second_last_line = NULL; |
| size_t len = 0; |
| while (getline(&line, &len, fp) != -1) { |
| free(second_last_line); |
| second_last_line = last_line; |
| last_line = line; |
| line = NULL; |
| } |
| fclose(fp); |
| free(line); |
| if (second_last_line == NULL) { |
| fprintf(stderr, "No second to last line, using last, test may fail\n"); |
| second_last_line = last_line; |
| last_line = NULL; |
| } |
| free(last_line); |
| EXPECT_TRUE(NULL != second_last_line); |
| if (!second_last_line) { |
| snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir); |
| EXPECT_FALSE(system(command)); |
| return; |
| } |
| // re-run the command, it should only add a few lines more content if it |
| // continues where it left off. |
| snprintf(command, sizeof(command), logcat_cmd, tmp_out_dir, log_filename); |
| EXPECT_FALSE((ret = system(command))); |
| if (ret) { |
| snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir); |
| EXPECT_FALSE(system(command)); |
| return; |
| } |
| DIR *dir; |
| EXPECT_TRUE(NULL != (dir = opendir(tmp_out_dir))); |
| if (!dir) { |
| snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir); |
| EXPECT_FALSE(system(command)); |
| return; |
| } |
| struct dirent *entry; |
| unsigned count = 0; |
| while ((entry = readdir(dir))) { |
| if (strncmp(entry->d_name, log_filename, sizeof(log_filename) - 1)) { |
| continue; |
| } |
| snprintf(command, sizeof(command), "%s/%s", tmp_out_dir, entry->d_name); |
| EXPECT_TRUE(NULL != ((fp = fopen(command, "r")))); |
| if (!fp) { |
| fprintf(stderr, "%s ?\n", command); |
| continue; |
| } |
| line = NULL; |
| size_t number = 0; |
| while (getline(&line, &len, fp) != -1) { |
| ++number; |
| if (!strcmp(line, second_last_line)) { |
| EXPECT_TRUE(++count <= 1); |
| fprintf(stderr, "%s(%zu):\n", entry->d_name, number); |
| } |
| } |
| fclose(fp); |
| free(line); |
| unlink(command); |
| } |
| closedir(dir); |
| if (count > 1) { |
| char *brk = strpbrk(second_last_line, "\r\n"); |
| if (!brk) { |
| brk = second_last_line + strlen(second_last_line); |
| } |
| fprintf(stderr, "\"%.*s\" occured %u times\n", |
| (int)(brk - second_last_line), second_last_line, count); |
| } |
| free(second_last_line); |
| |
| snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir); |
| EXPECT_FALSE(system(command)); |
| } |
| |
| static void caught_blocking_clear(int /*signum*/) |
| { |
| unsigned long long v = 0xDEADBEEFA55C0000ULL; |
| |
| v += getpid() & 0xFFFF; |
| |
| LOG_FAILURE_RETRY(__android_log_btwrite(0, EVENT_TYPE_LONG, &v, sizeof(v))); |
| } |
| |
| TEST(logcat, blocking_clear) { |
| FILE *fp; |
| unsigned long long v = 0xDEADBEEFA55C0000ULL; |
| |
| pid_t pid = getpid(); |
| |
| v += pid & 0xFFFF; |
| |
| // This test is racey; an event occurs between clear and dump. |
| // We accept that we will get a false positive, but never a false negative. |
| ASSERT_TRUE(NULL != (fp = popen( |
| "( trap exit HUP QUIT INT PIPE KILL ; sleep 6; echo DONE )&" |
| " logcat -b events -c 2>&1 ;" |
| " logcat -v brief -b events 2>&1", |
| "r"))); |
| |
| char buffer[5120]; |
| |
| int count = 0; |
| |
| int signals = 0; |
| |
| signal(SIGALRM, caught_blocking_clear); |
| alarm(2); |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| |
| if (!strncmp(buffer, "clearLog: ", 10)) { |
| fprintf(stderr, "WARNING: Test lacks permission to run :-(\n"); |
| count = signals = 1; |
| break; |
| } |
| |
| if (!strncmp(buffer, "DONE", 4)) { |
| break; |
| } |
| |
| ++count; |
| |
| int p; |
| unsigned long long l; |
| |
| if ((2 != sscanf(buffer, "I/[0] ( %u): %lld", &p, &l)) |
| || (p != pid)) { |
| continue; |
| } |
| |
| if (l == v) { |
| if (count > 1) { |
| fprintf(stderr, "WARNING: Possible false positive\n"); |
| } |
| ++signals; |
| break; |
| } |
| } |
| alarm(0); |
| signal(SIGALRM, SIG_DFL); |
| |
| // Generate SIGPIPE |
| fclose(fp); |
| caught_blocking_clear(0); |
| |
| pclose(fp); |
| |
| EXPECT_LE(1, count); |
| |
| EXPECT_EQ(1, signals); |
| } |
| |
| static bool get_white_black(char **list) { |
| FILE *fp; |
| |
| fp = popen("logcat -p 2>/dev/null", "r"); |
| if (fp == NULL) { |
| fprintf(stderr, "ERROR: logcat -p 2>/dev/null\n"); |
| return false; |
| } |
| |
| char buffer[5120]; |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| char *hold = *list; |
| char *buf = buffer; |
| while (isspace(*buf)) { |
| ++buf; |
| } |
| char *end = buf + strlen(buf); |
| while (isspace(*--end) && (end >= buf)) { |
| *end = '\0'; |
| } |
| if (end < buf) { |
| continue; |
| } |
| if (hold) { |
| asprintf(list, "%s %s", hold, buf); |
| free(hold); |
| } else { |
| asprintf(list, "%s", buf); |
| } |
| } |
| pclose(fp); |
| return *list != NULL; |
| } |
| |
| static bool set_white_black(const char *list) { |
| FILE *fp; |
| |
| char buffer[5120]; |
| |
| snprintf(buffer, sizeof(buffer), "logcat -P '%s' 2>&1", list ? list : ""); |
| fp = popen(buffer, "r"); |
| if (fp == NULL) { |
| fprintf(stderr, "ERROR: %s\n", buffer); |
| return false; |
| } |
| |
| while (fgets(buffer, sizeof(buffer), fp)) { |
| char *buf = buffer; |
| while (isspace(*buf)) { |
| ++buf; |
| } |
| char *end = buf + strlen(buf); |
| while ((end > buf) && isspace(*--end)) { |
| *end = '\0'; |
| } |
| if (end <= buf) { |
| continue; |
| } |
| fprintf(stderr, "%s\n", buf); |
| pclose(fp); |
| return false; |
| } |
| return pclose(fp) == 0; |
| } |
| |
| TEST(logcat, white_black_adjust) { |
| char *list = NULL; |
| char *adjust = NULL; |
| |
| get_white_black(&list); |
| |
| static const char adjustment[] = "~! 300/20 300/25 2000 ~1000/5 ~1000/30"; |
| ASSERT_EQ(true, set_white_black(adjustment)); |
| ASSERT_EQ(true, get_white_black(&adjust)); |
| EXPECT_STREQ(adjustment, adjust); |
| free(adjust); |
| adjust = NULL; |
| |
| static const char adjustment2[] = "300/20 300/21 2000 ~1000"; |
| ASSERT_EQ(true, set_white_black(adjustment2)); |
| ASSERT_EQ(true, get_white_black(&adjust)); |
| EXPECT_STREQ(adjustment2, adjust); |
| free(adjust); |
| adjust = NULL; |
| |
| ASSERT_EQ(true, set_white_black(list)); |
| get_white_black(&adjust); |
| EXPECT_STREQ(list ? list : "", adjust ? adjust : ""); |
| free(adjust); |
| adjust = NULL; |
| |
| free(list); |
| list = NULL; |
| } |