| /* See Project CHIP LICENSE file for licensing information. */ |
| |
| #include <lib/core/CHIPConfig.h> |
| #include <lib/support/EnforceFormat.h> |
| #include <lib/support/logging/Constants.h> |
| #include <platform/logging/LogV.h> |
| |
| #include <cinttypes> |
| #include <cstdio> |
| #include <cstring> |
| #include <sys/syscall.h> |
| #include <sys/time.h> |
| #include <unistd.h> |
| |
| #if CHIP_USE_PW_LOGGING |
| #include <pw_log/log.h> |
| #endif // CHIP_USE_PW_LOGGING |
| |
| namespace chip { |
| namespace DeviceLayer { |
| |
| /** |
| * Called whenever a log message is emitted by chip or LwIP. |
| * |
| * This function is intended be overridden by the application to, e.g., |
| * schedule output of queued log entries. |
| */ |
| void __attribute__((weak)) OnLogOutput() {} |
| |
| } // namespace DeviceLayer |
| |
| namespace Logging { |
| namespace Platform { |
| |
| /** |
| * CHIP log output functions. |
| */ |
| void ENFORCE_FORMAT(3, 0) LogV(const char * module, uint8_t category, const char * msg, va_list v) |
| { |
| struct timeval tv; |
| |
| // Should not fail per man page of gettimeofday(), but failed to get time is not a fatal error in log. The bad time value will |
| // indicate the error occurred during getting time. |
| gettimeofday(&tv, nullptr); |
| |
| #if !CHIP_USE_PW_LOGGING |
| // Lock standard output, so a single log line will not be corrupted in case |
| // where multiple threads are using logging subsystem at the same time. |
| flockfile(stdout); |
| |
| printf("[%" PRIu64 ".%06" PRIu64 "][%lld:%lld] CHIP:%s: ", static_cast<uint64_t>(tv.tv_sec), static_cast<uint64_t>(tv.tv_usec), |
| static_cast<long long>(syscall(SYS_getpid)), static_cast<long long>(syscall(SYS_gettid)), module); |
| vprintf(msg, v); |
| printf("\n"); |
| fflush(stdout); |
| |
| funlockfile(stdout); |
| #else // !CHIP_USE_PW_LOGGING |
| char formattedMsg[CHIP_CONFIG_LOG_MESSAGE_MAX_SIZE]; |
| snprintf(formattedMsg, sizeof(formattedMsg), |
| "[%" PRIu64 ".%06" PRIu64 "][%lld:%lld] CHIP:%s: ", static_cast<uint64_t>(tv.tv_sec), |
| static_cast<uint64_t>(tv.tv_usec), static_cast<long long>(syscall(SYS_getpid)), |
| static_cast<long long>(syscall(SYS_gettid)), module); |
| size_t len = strnlen(formattedMsg, sizeof(formattedMsg)); |
| vsnprintf(formattedMsg + len, sizeof(formattedMsg) - len, msg, v); |
| |
| switch (static_cast<LogCategory>(category)) |
| { |
| case kLogCategory_Error: |
| PW_LOG_ERROR("%s", formattedMsg); |
| break; |
| case kLogCategory_Progress: |
| PW_LOG_INFO("%s", formattedMsg); |
| break; |
| case kLogCategory_Detail: |
| case kLogCategory_None: |
| case kLogCategory_Automation: |
| PW_LOG_DEBUG("%s", formattedMsg); |
| break; |
| } |
| #endif // !CHIP_USE_PW_LOGGING |
| |
| // Let the application know that a log message has been emitted. |
| DeviceLayer::OnLogOutput(); |
| } |
| |
| } // namespace Platform |
| } // namespace Logging |
| } // namespace chip |