Merge "adb: make adb_basename match the POSIX behavior."
diff --git a/adb/commandline.cpp b/adb/commandline.cpp
index 8f0a7cc..c5eabcf 100644
--- a/adb/commandline.cpp
+++ b/adb/commandline.cpp
@@ -41,6 +41,7 @@
#if !defined(_WIN32)
#include <signal.h>
+#include <sys/ioctl.h>
#include <termios.h>
#include <unistd.h>
#endif
@@ -247,17 +248,17 @@
#if defined(_WIN32)
// Implemented in sysdeps_win32.cpp.
-void stdin_raw_init(int fd);
-void stdin_raw_restore(int fd);
+void stdin_raw_init();
+void stdin_raw_restore();
#else
static termios g_saved_terminal_state;
-static void stdin_raw_init(int fd) {
- if (tcgetattr(fd, &g_saved_terminal_state)) return;
+static void stdin_raw_init() {
+ if (tcgetattr(STDIN_FILENO, &g_saved_terminal_state)) return;
termios tio;
- if (tcgetattr(fd, &tio)) return;
+ if (tcgetattr(STDIN_FILENO, &tio)) return;
cfmakeraw(&tio);
@@ -265,11 +266,11 @@
tio.c_cc[VTIME] = 0;
tio.c_cc[VMIN] = 1;
- tcsetattr(fd, TCSAFLUSH, &tio);
+ tcsetattr(STDIN_FILENO, TCSAFLUSH, &tio);
}
-static void stdin_raw_restore(int fd) {
- tcsetattr(fd, TCSAFLUSH, &g_saved_terminal_state);
+static void stdin_raw_restore() {
+ tcsetattr(STDIN_FILENO, TCSAFLUSH, &g_saved_terminal_state);
}
#endif
@@ -358,7 +359,7 @@
D("copy_to_file(%d -> %d)", inFd, outFd);
if (inFd == STDIN_FILENO) {
- stdin_raw_init(STDIN_FILENO);
+ stdin_raw_init();
#ifdef _WIN32
old_stdin_mode = _setmode(STDIN_FILENO, _O_BINARY);
if (old_stdin_mode == -1) {
@@ -400,7 +401,7 @@
}
if (inFd == STDIN_FILENO) {
- stdin_raw_restore(STDIN_FILENO);
+ stdin_raw_restore();
#ifdef _WIN32
if (_setmode(STDIN_FILENO, old_stdin_mode) == -1) {
fatal_errno("could not restore stdin mode");
@@ -420,7 +421,44 @@
free(buf);
}
-namespace {
+static std::string format_host_command(const char* command,
+ TransportType type, const char* serial) {
+ if (serial) {
+ return android::base::StringPrintf("host-serial:%s:%s", serial, command);
+ }
+
+ const char* prefix = "host";
+ if (type == kTransportUsb) {
+ prefix = "host-usb";
+ } else if (type == kTransportLocal) {
+ prefix = "host-local";
+ }
+ return android::base::StringPrintf("%s:%s", prefix, command);
+}
+
+// Returns the FeatureSet for the indicated transport.
+static FeatureSet GetFeatureSet(TransportType transport_type, const char* serial) {
+ std::string result, error;
+ if (adb_query(format_host_command("features", transport_type, serial), &result, &error)) {
+ return StringToFeatureSet(result);
+ }
+ return FeatureSet();
+}
+
+static void send_window_size_change(int fd, std::unique_ptr<ShellProtocol>& shell) {
+#if !defined(_WIN32)
+ // Old devices can't handle window size changes.
+ if (shell == nullptr) return;
+
+ winsize ws;
+ if (ioctl(fd, TIOCGWINSZ, &ws) == -1) return;
+
+ // Send the new window size as human-readable ASCII for debugging convenience.
+ size_t l = snprintf(shell->data(), shell->data_capacity(), "%dx%d,%dx%d",
+ ws.ws_row, ws.ws_col, ws.ws_xpixel, ws.ws_ypixel);
+ shell->Write(ShellProtocol::kIdWindowSizeChange, l + 1);
+#endif
+}
// Used to pass multiple values to the stdin read thread.
struct StdinReadArgs {
@@ -429,38 +467,56 @@
std::unique_ptr<ShellProtocol> protocol;
};
-} // namespace
-
// Loops to read from stdin and push the data to the given FD.
// The argument should be a pointer to a StdinReadArgs object. This function
// will take ownership of the object and delete it when finished.
-static void* stdin_read_thread(void* x) {
+static void* stdin_read_thread_loop(void* x) {
std::unique_ptr<StdinReadArgs> args(reinterpret_cast<StdinReadArgs*>(x));
int state = 0;
- adb_thread_setname("stdin reader");
-
-#ifndef _WIN32
- // Mask SIGTTIN in case we're in a backgrounded process
+#if !defined(_WIN32)
+ // Mask SIGTTIN in case we're in a backgrounded process.
sigset_t sigset;
sigemptyset(&sigset);
sigaddset(&sigset, SIGTTIN);
pthread_sigmask(SIG_BLOCK, &sigset, nullptr);
#endif
+#if !defined(_WIN32)
+ // Unblock SIGWINCH for this thread, so our read(2) below will be
+ // interrupted if the window size changes.
+ sigset_t mask;
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGWINCH);
+ pthread_sigmask(SIG_UNBLOCK, &mask, nullptr);
+#endif
+
+ // Set up the initial window size.
+ send_window_size_change(args->stdin_fd, args->protocol);
+
char raw_buffer[1024];
char* buffer_ptr = raw_buffer;
size_t buffer_size = sizeof(raw_buffer);
- if (args->protocol) {
+ if (args->protocol != nullptr) {
buffer_ptr = args->protocol->data();
buffer_size = args->protocol->data_capacity();
}
while (true) {
// Use unix_read() rather than adb_read() for stdin.
- D("stdin_read_thread(): pre unix_read(fdi=%d,...)", args->stdin_fd);
+ D("stdin_read_thread_loop(): pre unix_read(fdi=%d,...)", args->stdin_fd);
+#if !defined(_WIN32)
+#undef read
+ int r = read(args->stdin_fd, buffer_ptr, buffer_size);
+ if (r == -1 && errno == EINTR) {
+ send_window_size_change(args->stdin_fd, args->protocol);
+ continue;
+ }
+#define read ___xxx_read
+#else
int r = unix_read(args->stdin_fd, buffer_ptr, buffer_size);
- D("stdin_read_thread(): post unix_read(fdi=%d,...)", args->stdin_fd);
+#endif
+ D("stdin_read_thread_loop(): post unix_read(fdi=%d,...)", args->stdin_fd);
if (r <= 0) {
// Only devices using the shell protocol know to close subprocess
// stdin. For older devices we want to just leave the connection
@@ -477,8 +533,8 @@
// process starts ignoring the signal. SSH also does this, see the
// "escape characters" section on the ssh man page for more info.
if (args->raw_stdin) {
- for (int n = 0; n < r; n++){
- switch(buffer_ptr[n]) {
+ for (int n = 0; n < r; n++) {
+ switch (buffer_ptr[n]) {
case '\n':
state = 1;
break;
@@ -486,16 +542,16 @@
state = 1;
break;
case '~':
- if(state == 1) {
+ if (state == 1) {
state++;
} else {
state = 0;
}
break;
case '.':
- if(state == 2) {
- stdin_raw_restore(args->stdin_fd);
- fprintf(stderr,"\n* disconnect *\n");
+ if (state == 2) {
+ fprintf(stderr,"\r\n* disconnect *\r\n");
+ stdin_raw_restore();
exit(0);
}
default:
@@ -574,53 +630,121 @@
args->protocol.reset(new ShellProtocol(args->write_fd));
}
- if (raw_stdin) {
- stdin_raw_init(STDIN_FILENO);
- }
+ if (raw_stdin) stdin_raw_init();
- int exit_code = 0;
- if (!adb_thread_create(stdin_read_thread, args)) {
+#if !defined(_WIN32)
+ // Ensure our process is notified if the local window size changes.
+ // We use sigaction(2) to ensure that the SA_RESTART flag is not set,
+ // because the whole reason we're sending signals is to unblock the read(2)!
+ // That also means we don't need to do anything in the signal handler:
+ // the side effect of delivering the signal is all we need.
+ struct sigaction sa;
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_handler = [](int) {};
+ sa.sa_flags = 0;
+ sigaction(SIGWINCH, &sa, nullptr);
+
+ // Now block SIGWINCH in this thread (the main thread) and all threads spawned
+ // from it. The stdin read thread will unblock this signal to ensure that it's
+ // the thread that receives the signal.
+ sigset_t mask;
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGWINCH);
+ pthread_sigmask(SIG_BLOCK, &mask, nullptr);
+#endif
+
+ // TODO: combine read_and_dump with stdin_read_thread to make life simpler?
+ int exit_code = 1;
+ if (!adb_thread_create(stdin_read_thread_loop, args)) {
PLOG(ERROR) << "error starting stdin read thread";
- exit_code = 1;
delete args;
} else {
exit_code = read_and_dump(fd, use_shell_protocol);
}
- if (raw_stdin) {
- stdin_raw_restore(STDIN_FILENO);
- }
+ // TODO: properly exit stdin_read_thread_loop and close |fd|.
- // TODO(dpursell): properly exit stdin_read_thread and close |fd|.
+ // TODO: we should probably install signal handlers for this.
+ // TODO: can we use atexit? even on Windows?
+ if (raw_stdin) stdin_raw_restore();
return exit_code;
}
+static int adb_shell(int argc, const char** argv,
+ TransportType transport_type, const char* serial) {
+ FeatureSet features = GetFeatureSet(transport_type, serial);
-static std::string format_host_command(const char* command, TransportType type, const char* serial) {
- if (serial) {
- return android::base::StringPrintf("host-serial:%s:%s", serial, command);
+ bool use_shell_protocol = CanUseFeature(features, kFeatureShell2);
+ if (!use_shell_protocol) {
+ D("shell protocol not supported, using raw data transfer");
+ } else {
+ D("using shell protocol");
}
- const char* prefix = "host";
- if (type == kTransportUsb) {
- prefix = "host-usb";
- } else if (type == kTransportLocal) {
- prefix = "host-local";
+ // Parse shell-specific command-line options.
+ // argv[0] is always "shell".
+ --argc;
+ ++argv;
+ int t_arg_count = 0;
+ while (argc) {
+ if (!strcmp(argv[0], "-T") || !strcmp(argv[0], "-t")) {
+ if (!CanUseFeature(features, kFeatureShell2)) {
+ fprintf(stderr, "error: target doesn't support PTY args -Tt\n");
+ return 1;
+ }
+ // Like ssh, -t arguments are cumulative so that multiple -t's
+ // are needed to force a PTY.
+ if (argv[0][1] == 't') {
+ ++t_arg_count;
+ } else {
+ t_arg_count = -1;
+ }
+ --argc;
+ ++argv;
+ } else if (!strcmp(argv[0], "-x")) {
+ use_shell_protocol = false;
+ --argc;
+ ++argv;
+ } else {
+ break;
+ }
}
- return android::base::StringPrintf("%s:%s", prefix, command);
-}
-// Returns the FeatureSet for the indicated transport.
-static FeatureSet GetFeatureSet(TransportType transport_type,
- const char* serial) {
- std::string result, error;
-
- if (adb_query(format_host_command("features", transport_type, serial),
- &result, &error)) {
- return StringToFeatureSet(result);
+ std::string shell_type_arg;
+ if (CanUseFeature(features, kFeatureShell2)) {
+ if (t_arg_count < 0) {
+ shell_type_arg = kShellServiceArgRaw;
+ } else if (t_arg_count == 0) {
+ // If stdin isn't a TTY, default to a raw shell; this lets
+ // things like `adb shell < my_script.sh` work as expected.
+ // Otherwise leave |shell_type_arg| blank which uses PTY for
+ // interactive shells and raw for non-interactive.
+ if (!unix_isatty(STDIN_FILENO)) {
+ shell_type_arg = kShellServiceArgRaw;
+ }
+ } else if (t_arg_count == 1) {
+ // A single -t arg isn't enough to override implicit -T.
+ if (!unix_isatty(STDIN_FILENO)) {
+ fprintf(stderr,
+ "Remote PTY will not be allocated because stdin is not a terminal.\n"
+ "Use multiple -t options to force remote PTY allocation.\n");
+ shell_type_arg = kShellServiceArgRaw;
+ } else {
+ shell_type_arg = kShellServiceArgPty;
+ }
+ } else {
+ shell_type_arg = kShellServiceArgPty;
+ }
}
- return FeatureSet();
+
+ std::string command;
+ if (argc) {
+ // We don't escape here, just like ssh(1). http://b/20564385.
+ command = android::base::Join(std::vector<const char*>(argv, argv + argc), ' ');
+ }
+
+ return RemoteShell(use_shell_protocol, shell_type_arg, command);
}
static int adb_download_buffer(const char *service, const char *fn, const void* data, unsigned sz,
@@ -1343,94 +1467,8 @@
else if (!strcmp(argv[0], "emu")) {
return adb_send_emulator_command(argc, argv, serial);
}
- else if (!strcmp(argv[0], "shell") || !strcmp(argv[0], "hell")) {
- char h = (argv[0][0] == 'h');
-
- FeatureSet features = GetFeatureSet(transport_type, serial);
-
- bool use_shell_protocol = CanUseFeature(features, kFeatureShell2);
- if (!use_shell_protocol) {
- D("shell protocol not supported, using raw data transfer");
- } else {
- D("using shell protocol");
- }
-
- // Parse shell-specific command-line options.
- // argv[0] is always "shell".
- --argc;
- ++argv;
- int t_arg_count = 0;
- while (argc) {
- if (!strcmp(argv[0], "-T") || !strcmp(argv[0], "-t")) {
- if (!CanUseFeature(features, kFeatureShell2)) {
- fprintf(stderr, "error: target doesn't support PTY args -Tt\n");
- return 1;
- }
- // Like ssh, -t arguments are cumulative so that multiple -t's
- // are needed to force a PTY.
- if (argv[0][1] == 't') {
- ++t_arg_count;
- } else {
- t_arg_count = -1;
- }
- --argc;
- ++argv;
- } else if (!strcmp(argv[0], "-x")) {
- use_shell_protocol = false;
- --argc;
- ++argv;
- } else {
- break;
- }
- }
-
- std::string shell_type_arg;
- if (CanUseFeature(features, kFeatureShell2)) {
- if (t_arg_count < 0) {
- shell_type_arg = kShellServiceArgRaw;
- } else if (t_arg_count == 0) {
- // If stdin isn't a TTY, default to a raw shell; this lets
- // things like `adb shell < my_script.sh` work as expected.
- // Otherwise leave |shell_type_arg| blank which uses PTY for
- // interactive shells and raw for non-interactive.
- if (!unix_isatty(STDIN_FILENO)) {
- shell_type_arg = kShellServiceArgRaw;
- }
- } else if (t_arg_count == 1) {
- // A single -t arg isn't enough to override implicit -T.
- if (!unix_isatty(STDIN_FILENO)) {
- fprintf(stderr,
- "Remote PTY will not be allocated because stdin is not a terminal.\n"
- "Use multiple -t options to force remote PTY allocation.\n");
- shell_type_arg = kShellServiceArgRaw;
- } else {
- shell_type_arg = kShellServiceArgPty;
- }
- } else {
- shell_type_arg = kShellServiceArgPty;
- }
- }
-
- std::string command;
- if (argc) {
- // We don't escape here, just like ssh(1). http://b/20564385.
- command = android::base::Join(
- std::vector<const char*>(argv, argv + argc), ' ');
- }
-
- if (h) {
- printf("\x1b[41;33m");
- fflush(stdout);
- }
-
- r = RemoteShell(use_shell_protocol, shell_type_arg, command);
-
- if (h) {
- printf("\x1b[0m");
- fflush(stdout);
- }
-
- return r;
+ else if (!strcmp(argv[0], "shell")) {
+ return adb_shell(argc, argv, transport_type, serial);
}
else if (!strcmp(argv[0], "exec-in") || !strcmp(argv[0], "exec-out")) {
int exec_in = !strcmp(argv[0], "exec-in");
diff --git a/adb/fdevent.cpp b/adb/fdevent.cpp
index 4458c85..06eb34d 100644
--- a/adb/fdevent.cpp
+++ b/adb/fdevent.cpp
@@ -54,7 +54,7 @@
struct PollNode {
fdevent* fde;
- pollfd pollfd;
+ ::pollfd pollfd;
PollNode(fdevent* fde) : fde(fde) {
memset(&pollfd, 0, sizeof(pollfd));
diff --git a/adb/shell_service.cpp b/adb/shell_service.cpp
index be5921d..e3fde26 100644
--- a/adb/shell_service.cpp
+++ b/adb/shell_service.cpp
@@ -513,6 +513,18 @@
if (stdinout_sfd_.valid()) {
switch (input_->id()) {
+ case ShellProtocol::kIdWindowSizeChange:
+ int rows, cols, x_pixels, y_pixels;
+ if (sscanf(input_->data(), "%dx%d,%dx%d",
+ &rows, &cols, &x_pixels, &y_pixels) == 4) {
+ winsize ws;
+ ws.ws_row = rows;
+ ws.ws_col = cols;
+ ws.ws_xpixel = x_pixels;
+ ws.ws_ypixel = y_pixels;
+ ioctl(stdinout_sfd_.fd(), TIOCSWINSZ, &ws);
+ }
+ break;
case ShellProtocol::kIdStdin:
input_bytes_left_ = input_->data_length();
break;
@@ -531,8 +543,7 @@
// non-interactively which is rare and unsupported.
// If necessary, the client can manually close the shell
// with `exit` or by killing the adb client process.
- D("can't close input for PTY FD %d",
- stdinout_sfd_.fd());
+ D("can't close input for PTY FD %d", stdinout_sfd_.fd());
}
break;
}
diff --git a/adb/shell_service.h b/adb/shell_service.h
index 01410a9..63c00da 100644
--- a/adb/shell_service.h
+++ b/adb/shell_service.h
@@ -54,8 +54,15 @@
kIdStdout = 1,
kIdStderr = 2,
kIdExit = 3,
- kIdCloseStdin = 4, // Close subprocess stdin if possible.
- kIdInvalid = 255, // Indicates an invalid or unknown packet.
+
+ // Close subprocess stdin if possible.
+ kIdCloseStdin = 4,
+
+ // Window size change (an ASCII version of struct winsize).
+ kIdWindowSizeChange = 5,
+
+ // Indicates an invalid or unknown packet.
+ kIdInvalid = 255,
};
// ShellPackets will probably be too large to allocate on the stack so they
diff --git a/adb/sysdeps_win32.cpp b/adb/sysdeps_win32.cpp
index d2e6cdb..e325889 100644
--- a/adb/sysdeps_win32.cpp
+++ b/adb/sysdeps_win32.cpp
@@ -3342,44 +3342,41 @@
static DWORD _old_console_mode; // previous GetConsoleMode() result
static HANDLE _console_handle; // when set, console mode should be restored
-void stdin_raw_init(const int fd) {
- if (STDIN_FILENO == fd) {
- const HANDLE in = _get_console_handle(fd, &_old_console_mode);
+void stdin_raw_init() {
+ const HANDLE in = _get_console_handle(STDIN_FILENO, &_old_console_mode);
- // Disable ENABLE_PROCESSED_INPUT so that Ctrl-C is read instead of
- // calling the process Ctrl-C routine (configured by
- // SetConsoleCtrlHandler()).
- // Disable ENABLE_LINE_INPUT so that input is immediately sent.
- // Disable ENABLE_ECHO_INPUT to disable local echo. Disabling this
- // flag also seems necessary to have proper line-ending processing.
- if (!SetConsoleMode(in, _old_console_mode & ~(ENABLE_PROCESSED_INPUT |
- ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT))) {
- // This really should not fail.
- D("stdin_raw_init: SetConsoleMode() failed: %s",
- SystemErrorCodeToString(GetLastError()).c_str());
- }
-
- // Once this is set, it means that stdin has been configured for
- // reading from and that the old console mode should be restored later.
- _console_handle = in;
-
- // Note that we don't need to configure C Runtime line-ending
- // translation because _console_read() does not call the C Runtime to
- // read from the console.
+ // Disable ENABLE_PROCESSED_INPUT so that Ctrl-C is read instead of
+ // calling the process Ctrl-C routine (configured by
+ // SetConsoleCtrlHandler()).
+ // Disable ENABLE_LINE_INPUT so that input is immediately sent.
+ // Disable ENABLE_ECHO_INPUT to disable local echo. Disabling this
+ // flag also seems necessary to have proper line-ending processing.
+ if (!SetConsoleMode(in, _old_console_mode & ~(ENABLE_PROCESSED_INPUT |
+ ENABLE_LINE_INPUT |
+ ENABLE_ECHO_INPUT))) {
+ // This really should not fail.
+ D("stdin_raw_init: SetConsoleMode() failed: %s",
+ SystemErrorCodeToString(GetLastError()).c_str());
}
+
+ // Once this is set, it means that stdin has been configured for
+ // reading from and that the old console mode should be restored later.
+ _console_handle = in;
+
+ // Note that we don't need to configure C Runtime line-ending
+ // translation because _console_read() does not call the C Runtime to
+ // read from the console.
}
-void stdin_raw_restore(const int fd) {
- if (STDIN_FILENO == fd) {
- if (_console_handle != NULL) {
- const HANDLE in = _console_handle;
- _console_handle = NULL; // clear state
+void stdin_raw_restore() {
+ if (_console_handle != NULL) {
+ const HANDLE in = _console_handle;
+ _console_handle = NULL; // clear state
- if (!SetConsoleMode(in, _old_console_mode)) {
- // This really should not fail.
- D("stdin_raw_restore: SetConsoleMode() failed: %s",
- SystemErrorCodeToString(GetLastError()).c_str());
- }
+ if (!SetConsoleMode(in, _old_console_mode)) {
+ // This really should not fail.
+ D("stdin_raw_restore: SetConsoleMode() failed: %s",
+ SystemErrorCodeToString(GetLastError()).c_str());
}
}
}
diff --git a/liblog/logd_write.c b/liblog/logd_write.c
index bdee28f..a4310ae 100644
--- a/liblog/logd_write.c
+++ b/liblog/logd_write.c
@@ -191,7 +191,11 @@
* };
*/
- clock_gettime(CLOCK_REALTIME, &ts);
+ if (android_log_timestamp() == 'm') {
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ } else {
+ clock_gettime(CLOCK_REALTIME, &ts);
+ }
pmsg_header.magic = LOGGER_MAGIC;
pmsg_header.len = sizeof(pmsg_header) + sizeof(header);
diff --git a/liblog/logprint.c b/liblog/logprint.c
index 0ea2269..9f12c96 100644
--- a/liblog/logprint.c
+++ b/liblog/logprint.c
@@ -203,7 +203,7 @@
p_ret->year_output = false;
p_ret->zone_output = false;
p_ret->epoch_output = false;
- p_ret->monotonic_output = false;
+ p_ret->monotonic_output = android_log_timestamp() == 'm';
return p_ret;
}
@@ -1261,10 +1261,13 @@
now = entry->tv_sec;
nsec = entry->tv_nsec;
if (p_format->monotonic_output) {
- struct timespec time;
- convertMonotonic(&time, entry);
- now = time.tv_sec;
- nsec = time.tv_nsec;
+ // prevent convertMonotonic from being called if logd is monotonic
+ if (android_log_timestamp() != 'm') {
+ struct timespec time;
+ convertMonotonic(&time, entry);
+ now = time.tv_sec;
+ nsec = time.tv_nsec;
+ }
}
if (now < 0) {
nsec = NS_PER_SEC - nsec;
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index cb9a85b..4d7adf1 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -399,6 +399,10 @@
}
log_time now(CLOCK_REALTIME);
+ bool monotonic = android_log_timestamp() == 'm';
+ if (monotonic) {
+ now = log_time(CLOCK_MONOTONIC);
+ }
std::string directory;
char *file = strrchr(outputFileName, '/');
@@ -417,7 +421,11 @@
struct dirent *dp;
while ((dp = readdir(dir.get())) != NULL) {
if ((dp->d_type != DT_REG)
- || strncmp(dp->d_name, file, len)
+ // If we are using realtime, check all files that match the
+ // basename for latest time. If we are using monotonic time
+ // then only check the main file because time cycles on
+ // every reboot.
+ || strncmp(dp->d_name, file, len + monotonic)
|| (dp->d_name[len]
&& ((dp->d_name[len] != '.')
|| !isdigit(dp->d_name[len+1])))) {
diff --git a/logcat/tests/logcat_test.cpp b/logcat/tests/logcat_test.cpp
index 610a6ec..153a3fd 100644
--- a/logcat/tests/logcat_test.cpp
+++ b/logcat/tests/logcat_test.cpp
@@ -75,6 +75,12 @@
}
TEST(logcat, year) {
+
+ if (android_log_timestamp() == 'm') {
+ fprintf(stderr, "Skipping test, logd is monotonic time\n");
+ return;
+ }
+
FILE *fp;
char needle[32];
@@ -108,7 +114,44 @@
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_timestamp() == 'm') {
+ fprintf(stderr, "Skipping test, logd is monotonic time\n");
+ return;
+ }
+
FILE *fp;
ASSERT_TRUE(NULL != (fp = popen(
@@ -119,11 +162,8 @@
int count = 0;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[2]) && isdigit(buffer[3])
- && (buffer[4] == '-')
- && (strstr(buffer, " -0700 ") || strstr(buffer, " -0800 "))) {
+ while (fgetLongTime(buffer, sizeof(buffer), fp)) {
+ if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) {
++count;
}
}
@@ -144,11 +184,8 @@
int count = 0;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[2]) && isdigit(buffer[3])
- && (buffer[4] == '-')
- && (strstr(buffer, " -0700 ") || strstr(buffer, " -0800 "))) {
+ while (fgetLongTime(buffer, sizeof(buffer), fp)) {
+ if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) {
++count;
}
}
@@ -169,12 +206,8 @@
int count = 0;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[2]) && isdigit(buffer[3])
- && (buffer[4] == '-')) {
- ++count;
- }
+ while (fgetLongTime(buffer, sizeof(buffer), fp)) {
+ ++count;
}
pclose(fp);
@@ -193,12 +226,8 @@
int count = 0;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[2]) && isdigit(buffer[3])
- && (buffer[4] == '-')) {
- ++count;
- }
+ while (fgetLongTime(buffer, sizeof(buffer), fp)) {
+ ++count;
}
pclose(fp);
@@ -217,12 +246,8 @@
int count = 0;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[2]) && isdigit(buffer[3])
- && (buffer[4] == '-')) {
- ++count;
- }
+ while (fgetLongTime(buffer, sizeof(buffer), fp)) {
+ ++count;
}
pclose(fp);
@@ -241,12 +266,8 @@
int count = 0;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[2]) && isdigit(buffer[3])
- && (buffer[4] == '-')) {
- ++count;
- }
+ while (fgetLongTime(buffer, sizeof(buffer), fp)) {
+ ++count;
}
pclose(fp);
@@ -263,21 +284,15 @@
char *last_timestamp = NULL;
char *first_timestamp = NULL;
int count = 0;
- const unsigned int time_length = 18;
- const unsigned int time_offset = 2;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[time_offset]) && isdigit(buffer[time_offset + 1])
- && (buffer[time_offset + 2] == '-')) {
- ++count;
- buffer[time_length + time_offset] = '\0';
- if (!first_timestamp) {
- first_timestamp = strdup(buffer + time_offset);
- }
- free(last_timestamp);
- last_timestamp = strdup(buffer + time_offset);
+ 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);
@@ -292,28 +307,24 @@
int second_count = 0;
int last_timestamp_count = -1;
- while (fgets(buffer, sizeof(buffer), fp)) {
- if ((buffer[0] == '[') && (buffer[1] == ' ')
- && isdigit(buffer[time_offset]) && isdigit(buffer[time_offset + 1])
- && (buffer[time_offset + 2] == '-')) {
- ++second_count;
- buffer[time_length + time_offset] = '\0';
- 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(buffer + time_offset, first_timestamp);
- free(first_timestamp);
- first_timestamp = NULL;
- }
- if (!strcmp(buffer + time_offset, last_timestamp)) {
- last_timestamp_count = second_count;
- }
+ 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);
@@ -601,6 +612,9 @@
}
}
pclose(fp);
+ if ((count != 7) && (count != 8)) {
+ fprintf(stderr, "count=%d\n", count);
+ }
EXPECT_TRUE(count == 7 || count == 8);
}
}
diff --git a/logd/LogAudit.cpp b/logd/LogAudit.cpp
index 2f7cbfb..143fb04 100644
--- a/logd/LogAudit.cpp
+++ b/logd/LogAudit.cpp
@@ -123,17 +123,19 @@
&& (*cp == ':')) {
memcpy(timeptr + sizeof(audit_str) - 1, "0.0", 3);
memmove(timeptr + sizeof(audit_str) - 1 + 3, cp, strlen(cp) + 1);
- //
- // We are either in 1970ish (MONOTONIC) or 2015+ish (REALTIME) so to
- // differentiate without prejudice, we use 1980 to delineate, earlier
- // is monotonic, later is real.
- //
-# define EPOCH_PLUS_10_YEARS (10 * 1461 / 4 * 24 * 60 * 60)
- if (now.tv_sec < EPOCH_PLUS_10_YEARS) {
- LogKlog::convertMonotonicToReal(now);
+ if (!isMonotonic()) {
+ if (android::isMonotonic(now)) {
+ LogKlog::convertMonotonicToReal(now);
+ }
+ } else {
+ if (!android::isMonotonic(now)) {
+ LogKlog::convertRealToMonotonic(now);
+ }
}
+ } else if (isMonotonic()) {
+ now = log_time(CLOCK_MONOTONIC);
} else {
- now.strptime("", ""); // side effect of setting CLOCK_REALTIME
+ now = log_time(CLOCK_REALTIME);
}
static const char pid_str[] = " pid=";
diff --git a/logd/LogAudit.h b/logd/LogAudit.h
index 2342822..8a82630 100644
--- a/logd/LogAudit.h
+++ b/logd/LogAudit.h
@@ -29,6 +29,7 @@
public:
LogAudit(LogBuffer *buf, LogReader *reader, int fdDmesg);
int log(char *buf, size_t len);
+ bool isMonotonic() { return logbuf->isMonotonic(); }
protected:
virtual bool onDataAvailable(SocketClient *cli);
diff --git a/logd/LogBuffer.cpp b/logd/LogBuffer.cpp
index 1de8e64..fd5c066 100644
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@@ -28,6 +28,7 @@
#include <log/logger.h>
#include "LogBuffer.h"
+#include "LogKlog.h"
#include "LogReader.h"
// Default
@@ -126,9 +127,48 @@
setSize(i, LOG_BUFFER_MIN_SIZE);
}
}
+ bool lastMonotonic = monotonic;
+ monotonic = android_log_timestamp() == 'm';
+ if (lastMonotonic == monotonic) {
+ return;
+ }
+
+ //
+ // Fixup all timestamps, may not be 100% accurate, but better than
+ // throwing what we have away when we get 'surprised' by a change.
+ // In-place element fixup so no need to check reader-lock. Entries
+ // should already be in timestamp order, but we could end up with a
+ // few out-of-order entries if new monotonics come in before we
+ // are notified of the reinit change in status. A Typical example would
+ // be:
+ // --------- beginning of system
+ // 10.494082 184 201 D Cryptfs : Just triggered post_fs_data
+ // --------- beginning of kernel
+ // 0.000000 0 0 I : Initializing cgroup subsys cpuacct
+ // as the act of mounting /data would trigger persist.logd.timestamp to
+ // be corrected. 1/30 corner case YMMV.
+ //
+ pthread_mutex_lock(&mLogElementsLock);
+ LogBufferElementCollection::iterator it = mLogElements.begin();
+ while((it != mLogElements.end())) {
+ LogBufferElement *e = *it;
+ if (monotonic) {
+ if (!android::isMonotonic(e->mRealTime)) {
+ LogKlog::convertRealToMonotonic(e->mRealTime);
+ }
+ } else {
+ if (android::isMonotonic(e->mRealTime)) {
+ LogKlog::convertMonotonicToReal(e->mRealTime);
+ }
+ }
+ ++it;
+ }
+ pthread_mutex_unlock(&mLogElementsLock);
}
-LogBuffer::LogBuffer(LastLogTimes *times) : mTimes(*times) {
+LogBuffer::LogBuffer(LastLogTimes *times):
+ monotonic(android_log_timestamp() == 'm'),
+ mTimes(*times) {
pthread_mutex_init(&mLogElementsLock, NULL);
init();
@@ -436,7 +476,10 @@
worst_sizes = sorted[0]->getSizes();
// Calculate threshold as 12.5% of available storage
size_t threshold = log_buffer_size(id) / 8;
- if (worst_sizes > threshold) {
+ if ((worst_sizes > threshold)
+ // Allow time horizon to extend roughly tenfold, assume
+ // average entry length is 100 characters.
+ && (worst_sizes > (10 * sorted[0]->getDropped()))) {
worst = sorted[0]->getKey();
second_worst_sizes = sorted[1]->getSizes();
if (second_worst_sizes < threshold) {
diff --git a/logd/LogBuffer.h b/logd/LogBuffer.h
index 7ed92e9..c1fec73 100644
--- a/logd/LogBuffer.h
+++ b/logd/LogBuffer.h
@@ -32,6 +32,21 @@
#include "LogStatistics.h"
#include "LogWhiteBlackList.h"
+//
+// We are either in 1970ish (MONOTONIC) or 2015+ish (REALTIME) so to
+// differentiate without prejudice, we use 1980 to delineate, earlier
+// is monotonic, later is real.
+//
+namespace android {
+
+static bool isMonotonic(const log_time &mono) {
+ static const uint32_t EPOCH_PLUS_10_YEARS = 10 * 1461 / 4 * 24 * 60 * 60;
+
+ return mono.tv_sec < EPOCH_PLUS_10_YEARS;
+}
+
+}
+
typedef std::list<LogBufferElement *> LogBufferElementCollection;
class LogBuffer {
@@ -49,11 +64,14 @@
unsigned long mMaxSize[LOG_ID_MAX];
+ bool monotonic;
+
public:
LastLogTimes &mTimes;
LogBuffer(LastLogTimes *times);
void init();
+ bool isMonotonic() { return monotonic; }
int log(log_id_t log_id, log_time realtime,
uid_t uid, pid_t pid, pid_t tid,
diff --git a/logd/LogBufferElement.h b/logd/LogBufferElement.h
index 30e43c6..09987ea 100644
--- a/logd/LogBufferElement.h
+++ b/logd/LogBufferElement.h
@@ -34,6 +34,9 @@
#define EXPIRE_RATELIMIT 10 // maximum rate in seconds to report expiration
class LogBufferElement {
+
+ friend LogBuffer;
+
const log_id_t mLogId;
const uid_t mUid;
const pid_t mPid;
@@ -44,7 +47,7 @@
unsigned short mDropped; // mMsg == NULL
};
const uint64_t mSequence;
- const log_time mRealTime;
+ log_time mRealTime;
static atomic_int_fast64_t sequence;
// assumption: mMsg == NULL
diff --git a/logd/LogKlog.cpp b/logd/LogKlog.cpp
index d28161e..da5e78d 100644
--- a/logd/LogKlog.cpp
+++ b/logd/LogKlog.cpp
@@ -330,6 +330,10 @@
}
*buf = cp;
+ if (isMonotonic()) {
+ return;
+ }
+
const char *b;
if (((b = strnstr(cp, len, suspendStr)))
&& ((size_t)((b += sizeof(suspendStr) - 1) - cp) < len)) {
@@ -376,7 +380,11 @@
convertMonotonicToReal(now);
} else {
- now = log_time(CLOCK_REALTIME);
+ if (isMonotonic()) {
+ now = log_time(CLOCK_MONOTONIC);
+ } else {
+ now = log_time(CLOCK_REALTIME);
+ }
}
}
diff --git a/logd/LogKlog.h b/logd/LogKlog.h
index 469affd..3c8cc87 100644
--- a/logd/LogKlog.h
+++ b/logd/LogKlog.h
@@ -43,7 +43,9 @@
int log(const char *buf, size_t len);
void synchronize(const char *buf, size_t len);
+ bool isMonotonic() { return logbuf->isMonotonic(); }
static void convertMonotonicToReal(log_time &real) { real += correction; }
+ static void convertRealToMonotonic(log_time &real) { real -= correction; }
protected:
void sniffTime(log_time &now, const char **buf, size_t len, bool reverse);
diff --git a/logd/LogReader.cpp b/logd/LogReader.cpp
index 3833843..06135dd 100644
--- a/logd/LogReader.cpp
+++ b/logd/LogReader.cpp
@@ -114,15 +114,17 @@
log_time &start;
uint64_t &sequence;
uint64_t last;
+ bool isMonotonic;
public:
- LogFindStart(unsigned logMask, pid_t pid, log_time &start, uint64_t &sequence) :
+ LogFindStart(unsigned logMask, pid_t pid, log_time &start, uint64_t &sequence, bool isMonotonic) :
mPid(pid),
mLogMask(logMask),
startTimeSet(false),
start(start),
sequence(sequence),
- last(sequence) {
+ last(sequence),
+ isMonotonic(isMonotonic) {
}
static int callback(const LogBufferElement *element, void *obj) {
@@ -133,20 +135,24 @@
me->sequence = element->getSequence();
me->startTimeSet = true;
return -1;
- } else {
+ } else if (!me->isMonotonic ||
+ android::isMonotonic(element->getRealTime())) {
if (me->start < element->getRealTime()) {
me->sequence = me->last;
me->startTimeSet = true;
return -1;
}
me->last = element->getSequence();
+ } else {
+ me->last = element->getSequence();
}
}
return false;
}
bool found() { return startTimeSet; }
- } logFindStart(logMask, pid, start, sequence);
+ } logFindStart(logMask, pid, start, sequence,
+ logbuf().isMonotonic() && android::isMonotonic(start));
logbuf().flushTo(cli, sequence, FlushCommand::hasReadLogs(cli),
logFindStart.callback, &logFindStart);
diff --git a/logd/README.property b/logd/README.property
index 05ef528..e4b23a9 100644
--- a/logd/README.property
+++ b/logd/README.property
@@ -25,6 +25,10 @@
"~!" which means to prune the oldest
entries of chattiest UID. At runtime
use: logcat -P "<string>"
+persist.logd.timestamp string The recording timestamp source. Default
+ is ro.logd.timestamp. "m[onotonic]" is
+ the only supported key character,
+ otherwise assumes realtime.
NB:
- Number support multipliers (K or M) for convenience. Range is limited
diff --git a/logd/main.cpp b/logd/main.cpp
index cf8cb8f..ad577d2 100644
--- a/logd/main.cpp
+++ b/logd/main.cpp
@@ -298,7 +298,7 @@
}
buf[--len] = '\0';
- if (kl) {
+ if (kl && kl->isMonotonic()) {
kl->synchronize(buf.get(), len);
}