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Code Issues Releases Wiki Activity

Log: Refine the log interface. v5.0.82

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winlin 2022-10-25 09:18:33 +08:00
parent 252851d1b0
commit e9915c3bd7
10 changed files with 91 additions and 277 deletions
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1
trunk/doc/CHANGELOG.md
View file

@ -8,6 +8,7 @@ The changelog for SRS.
## SRS 5.0 Changelog ## SRS 5.0 Changelog
* v5.0, 2022-10-25, Log: Refine the log interface. v5.0.82
* v5.0, 2022-10-23, For [#3216](https://github.com/ossrs/srs/issues/3216): Support Google Address Sanitizer. v5.0.81 * v5.0, 2022-10-23, For [#3216](https://github.com/ossrs/srs/issues/3216): Support Google Address Sanitizer. v5.0.81
* v5.0, 2022-10-21, Kernel: Support grab backtrace stack when assert fail. v5.0.80 * v5.0, 2022-10-21, Kernel: Support grab backtrace stack when assert fail. v5.0.80
* v5.0, 2022-10-21, ST: Refine tools and CMakeLists.txt. Add backtrace example. v5.0.79 * v5.0, 2022-10-21, ST: Refine tools and CMakeLists.txt. Add backtrace example. v5.0.79

140
trunk/src/app/srs_app_log.cpp
View file

@ -30,7 +30,7 @@
SrsFileLog::SrsFileLog() SrsFileLog::SrsFileLog()
{ {
level = SrsLogLevelTrace; level_ = SrsLogLevelTrace;
log_data = new char[LOG_MAX_SIZE]; log_data = new char[LOG_MAX_SIZE];
fd = -1; fd = -1;
@ -62,7 +62,7 @@ srs_error_t SrsFileLog::initialize()
_srs_config->subscribe(this); _srs_config->subscribe(this);
log_to_file_tank = _srs_config->get_log_tank_file(); log_to_file_tank = _srs_config->get_log_tank_file();
level = srs_get_log_level(_srs_config->get_log_level()); level_ = srs_get_log_level(_srs_config->get_log_level());
utc = _srs_config->get_utc_time(); utc = _srs_config->get_utc_time();
} }
@ -82,141 +82,31 @@ void SrsFileLog::reopen()
open_log_file(); open_log_file();
} }
void SrsFileLog::verbose(const char* tag, SrsContextId context_id, const char* fmt, ...) void SrsFileLog::log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args)
{ {
if (level < level_ || level >= SrsLogLevelDisabled) {
return;
}
SrsThreadLocker(mutex_); SrsThreadLocker(mutex_);
if (level > SrsLogLevelVerbose) {
return;
}
int size = 0; int size = 0;
if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, false, tag, context_id, "Verb", &size)) { bool header_ok = srs_log_header(
log_data, LOG_MAX_SIZE, utc, level >= SrsLogLevelWarn, tag, context_id, srs_log_level_strings[level], &size
);
if (!header_ok) {
return; return;
} }
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log. // Something not expected, drop the log.
int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, args);
if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) { if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
return; return;
} }
size += r0; size += r0;
write_log(fd, log_data, size, SrsLogLevelVerbose); // Add errno and strerror() if error. Check size to avoid security issue https://github.com/ossrs/srs/issues/1229
} if (level == SrsLogLevelError && errno != 0 && size < LOG_MAX_SIZE) {
void SrsFileLog::info(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
SrsThreadLocker(mutex_);
if (level > SrsLogLevelInfo) {
return;
}
int size = 0;
if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, false, tag, context_id, "Debug", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
return;
}
size += r0;
write_log(fd, log_data, size, SrsLogLevelInfo);
}
void SrsFileLog::trace(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
SrsThreadLocker(mutex_);
if (level > SrsLogLevelTrace) {
return;
}
int size = 0;
if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, false, tag, context_id, "Trace", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
return;
}
size += r0;
write_log(fd, log_data, size, SrsLogLevelTrace);
}
void SrsFileLog::warn(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
SrsThreadLocker(mutex_);
if (level > SrsLogLevelWarn) {
return;
}
int size = 0;
if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, true, tag, context_id, "Warn", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
return;
}
size += r0;
write_log(fd, log_data, size, SrsLogLevelWarn);
}
void SrsFileLog::error(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
SrsThreadLocker(mutex_);
if (level > SrsLogLevelError) {
return;
}
int size = 0;
if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, true, tag, context_id, "Error", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
return;
}
size += r0;
// add strerror() to error msg.
// Check size to avoid security issue https://github.com/ossrs/srs/issues/1229
if (errno != 0 && size < LOG_MAX_SIZE) {
r0 = snprintf(log_data + size, LOG_MAX_SIZE - size, "(%s)", strerror(errno)); r0 = snprintf(log_data + size, LOG_MAX_SIZE - size, "(%s)", strerror(errno));
// Something not expected, drop the log. // Something not expected, drop the log.
@ -226,7 +116,7 @@ void SrsFileLog::error(const char* tag, SrsContextId context_id, const char* fmt
size += r0; size += r0;
} }
write_log(fd, log_data, size, SrsLogLevelError); write_log(fd, log_data, size, level);
} }
void SrsFileLog::write_log(int& fd, char *str_log, int size, int level) void SrsFileLog::write_log(int& fd, char *str_log, int size, int level)

8
trunk/src/app/srs_app_log.hpp
View file

@ -32,7 +32,7 @@ class SrsFileLog : public ISrsLog, public ISrsReloadHandler
{ {
private: private:
// Defined in SrsLogLevel. // Defined in SrsLogLevel.
SrsLogLevel level; SrsLogLevel level_;
private: private:
char* log_data; char* log_data;
// Log to file if specified srs_log_file // Log to file if specified srs_log_file
@ -51,11 +51,7 @@ public:
public: public:
virtual srs_error_t initialize(); virtual srs_error_t initialize();
virtual void reopen(); virtual void reopen();
virtual void verbose(const char* tag, SrsContextId context_id, const char* fmt, ...); virtual void log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args);
virtual void info(const char* tag, SrsContextId context_id, const char* fmt, ...);
virtual void trace(const char* tag, SrsContextId context_id, const char* fmt, ...);
virtual void warn(const char* tag, SrsContextId context_id, const char* fmt, ...);
virtual void error(const char* tag, SrsContextId context_id, const char* fmt, ...);
private: private:
virtual void write_log(int& fd, char* str_log, int size, int level); virtual void write_log(int& fd, char* str_log, int size, int level);
virtual void open_log_file(); virtual void open_log_file();

2
trunk/src/core/srs_core_version5.hpp
View file

@ -9,6 +9,6 @@
#define VERSION_MAJOR 5 #define VERSION_MAJOR 5
#define VERSION_MINOR 0 #define VERSION_MINOR 0
#define VERSION_REVISION 81 #define VERSION_REVISION 82
#endif #endif

23
trunk/src/kernel/srs_kernel_log.cpp
View file

@ -6,6 +6,18 @@
#include <srs_kernel_log.hpp> #include <srs_kernel_log.hpp>
#include <stdarg.h>
const char* srs_log_level_strings[] = {
"Forbidden",
"Verb",
"Debug", NULL,
"Trace", NULL, NULL, NULL,
"Warn", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
"Error", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
"Disabled",
};
ISrsLog::ISrsLog() ISrsLog::ISrsLog()
{ {
} }
@ -22,4 +34,15 @@ ISrsContext::~ISrsContext()
{ {
} }
void srs_logger_impl(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, ...)
{
if (!_srs_log) return;
va_list args;
va_start(args, fmt);
_srs_log->log(level, tag, context_id, fmt, args);
va_end(args);
}

44
trunk/src/kernel/srs_kernel_log.hpp
View file

@ -14,6 +14,7 @@
#include <errno.h> #include <errno.h>
#include <string.h> #include <string.h>
#include <string> #include <string>
#include <stdarg.h>
#include <srs_kernel_consts.hpp> #include <srs_kernel_consts.hpp>
@ -33,6 +34,9 @@ enum SrsLogLevel
SrsLogLevelDisabled = 0x20, SrsLogLevelDisabled = 0x20,
}; };
// Get the level in string.
extern const char* srs_log_level_strings[];
// The log interface provides method to write log. // The log interface provides method to write log.
// but we provides some macro, which enable us to disable the log when compile. // but we provides some macro, which enable us to disable the log when compile.
// @see also SmtDebug/SmtTrace/SmtWarn/SmtError which is corresponding to Debug/Trace/Warn/Fatal. // @see also SmtDebug/SmtTrace/SmtWarn/SmtError which is corresponding to Debug/Trace/Warn/Fatal.
@ -47,17 +51,8 @@ public:
// Reopen the log file for log rotate. // Reopen the log file for log rotate.
virtual void reopen() = 0; virtual void reopen() = 0;
public: public:
// The log for verbose, very verbose information. // Write a application level log. All parameters are required except the tag.
virtual void verbose(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0; virtual void log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args) = 0;
// The log for debug, detail information.
virtual void info(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
// The log for trace, important information.
virtual void trace(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
// The log for warn, warn is something should take attention, but not a error.
virtual void warn(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
// The log for error, something error occur, do something about the error, ie. close the connection,
// but we will donot abort the program.
virtual void error(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
}; };
// The logic context, for example, a RTMP connection, or RTC Session, etc. // The logic context, for example, a RTMP connection, or RTC Session, etc.
@ -82,26 +77,29 @@ public:
virtual const SrsContextId& set_id(const SrsContextId& v) = 0; virtual const SrsContextId& set_id(const SrsContextId& v) = 0;
}; };
// @global User must implements the LogContext and define a global instance.
extern ISrsContext* _srs_context;
// @global User must provides a log object // @global User must provides a log object
extern ISrsLog* _srs_log; extern ISrsLog* _srs_log;
// @global User must implements the LogContext and define a global instance. // Global log function implementation. Please use helper macros, for example, srs_trace or srs_error.
extern ISrsContext* _srs_context; extern void srs_logger_impl(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, ...);
// Log style. // Log style.
// Use __FUNCTION__ to print c method // Use __FUNCTION__ to print c method
// Use __PRETTY_FUNCTION__ to print c++ class:method // Use __PRETTY_FUNCTION__ to print c++ class:method
#define srs_verbose(msg, ...) _srs_log->verbose(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_verbose(msg, ...) srs_logger_impl(SrsLogLevelVerbose, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_info(msg, ...) _srs_log->info(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_info(msg, ...) srs_logger_impl(SrsLogLevelInfo, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_trace(msg, ...) _srs_log->trace(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_trace(msg, ...) srs_logger_impl(SrsLogLevelTrace, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_warn(msg, ...) _srs_log->warn(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_warn(msg, ...) srs_logger_impl(SrsLogLevelWarn, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_error(msg, ...) _srs_log->error(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_error(msg, ...) srs_logger_impl(SrsLogLevelError, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
// With tag. // With tag.
#define srs_verbose2(tag, msg, ...) _srs_log->verbose(tag, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_verbose2(tag, msg, ...) srs_logger_impl(SrsLogLevelVerbose, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_info2(tag, msg, ...) _srs_log->info(tag, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_info2(tag, msg, ...) srs_logger_impl(SrsLogLevelInfo, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_trace2(tag, msg, ...) _srs_log->trace(tag, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_trace2(tag, msg, ...) srs_logger_impl(SrsLogLevelTrace, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_warn2(tag, msg, ...) _srs_log->warn(tag, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_warn2(tag, msg, ...) srs_logger_impl(SrsLogLevelWarn, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
#define srs_error2(tag, msg, ...) _srs_log->error(tag, _srs_context->get_id(), msg, ##__VA_ARGS__) #define srs_error2(tag, msg, ...) srs_logger_impl(SrsLogLevelError, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
// TODO: FIXME: Add more verbose and info logs. // TODO: FIXME: Add more verbose and info logs.
#ifndef SRS_VERBOSE #ifndef SRS_VERBOSE

123
trunk/src/protocol/srs_protocol_log.cpp
View file

@ -106,7 +106,7 @@ impl_SrsContextRestore::~impl_SrsContextRestore()
// LCOV_EXCL_START // LCOV_EXCL_START
SrsConsoleLog::SrsConsoleLog(SrsLogLevel l, bool u) SrsConsoleLog::SrsConsoleLog(SrsLogLevel l, bool u)
{ {
level = l; level_ = l;
utc = u; utc = u;
buffer = new char[SRS_BASIC_LOG_SIZE]; buffer = new char[SRS_BASIC_LOG_SIZE];
@ -126,130 +126,26 @@ void SrsConsoleLog::reopen()
{ {
} }
void SrsConsoleLog::verbose(const char* tag, SrsContextId context_id, const char* fmt, ...) void SrsConsoleLog::log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args)
{ {
if (level > SrsLogLevelVerbose) { if (level < level_ || level >= SrsLogLevelDisabled) {
return; return;
} }
int size = 0; int size = 0;
if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, false, tag, context_id, "Verb", &size)) { if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, level >= SrsLogLevelWarn, tag, context_id, srs_log_level_strings[level], &size)) {
return; return;
} }
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log. // Something not expected, drop the log.
int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, args);
if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) { if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
return; return;
} }
size += r0; size += r0;
fprintf(stdout, "%s\n", buffer); // Add errno and strerror() if error.
} if (level == SrsLogLevelError && errno != 0) {
void SrsConsoleLog::info(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
if (level > SrsLogLevelInfo) {
return;
}
int size = 0;
if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, false, tag, context_id, "Debug", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
return;
}
size += r0;
fprintf(stdout, "%s\n", buffer);
}
void SrsConsoleLog::trace(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
if (level > SrsLogLevelTrace) {
return;
}
int size = 0;
if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, false, tag, context_id, "Trace", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
return;
}
size += r0;
fprintf(stdout, "%s\n", buffer);
}
void SrsConsoleLog::warn(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
if (level > SrsLogLevelWarn) {
return;
}
int size = 0;
if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, true, tag, context_id, "Warn", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
return;
}
size += r0;
fprintf(stderr, "%s\n", buffer);
}
void SrsConsoleLog::error(const char* tag, SrsContextId context_id, const char* fmt, ...)
{
if (level > SrsLogLevelError) {
return;
}
int size = 0;
if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, true, tag, context_id, "Error", &size)) {
return;
}
va_list ap;
va_start(ap, fmt);
int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
va_end(ap);
// Something not expected, drop the log.
if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
return;
}
size += r0;
// add strerror() to error msg.
if (errno != 0) {
r0 = snprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, "(%s)", strerror(errno)); r0 = snprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, "(%s)", strerror(errno));
// Something not expected, drop the log. // Something not expected, drop the log.
@ -259,9 +155,12 @@ void SrsConsoleLog::error(const char* tag, SrsContextId context_id, const char*
size += r0; size += r0;
} }
if (level >= SrsLogLevelWarn) {
fprintf(stderr, "%s\n", buffer); fprintf(stderr, "%s\n", buffer);
} else {
fprintf(stdout, "%s\n", buffer);
}
} }
// LCOV_EXCL_STOP
bool srs_log_header(char* buffer, int size, bool utc, bool dangerous, const char* tag, SrsContextId cid, const char* level, int* psize) bool srs_log_header(char* buffer, int size, bool utc, bool dangerous, const char* tag, SrsContextId cid, const char* level, int* psize)
{ {

8
trunk/src/protocol/srs_protocol_log.hpp
View file

@ -52,7 +52,7 @@ public:
class SrsConsoleLog : public ISrsLog class SrsConsoleLog : public ISrsLog
{ {
private: private:
SrsLogLevel level; SrsLogLevel level_;
bool utc; bool utc;
private: private:
char* buffer; char* buffer;
@ -63,11 +63,7 @@ public:
public: public:
virtual srs_error_t initialize(); virtual srs_error_t initialize();
virtual void reopen(); virtual void reopen();
virtual void verbose(const char* tag, SrsContextId context_id, const char* fmt, ...); virtual void log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args);
virtual void info(const char* tag, SrsContextId context_id, const char* fmt, ...);
virtual void trace(const char* tag, SrsContextId context_id, const char* fmt, ...);
virtual void warn(const char* tag, SrsContextId context_id, const char* fmt, ...);
virtual void error(const char* tag, SrsContextId context_id, const char* fmt, ...);
}; };
// Generate the log header. // Generate the log header.

2
trunk/src/utest/srs_utest.cpp
View file

@ -102,7 +102,7 @@ GTEST_API_ int main(int argc, char **argv) {
MockEmptyLog::MockEmptyLog(SrsLogLevel l) MockEmptyLog::MockEmptyLog(SrsLogLevel l)
{ {
level = l; level_ = l;
} }
MockEmptyLog::~MockEmptyLog() MockEmptyLog::~MockEmptyLog()

11
trunk/src/utest/srs_utest_kernel2.cpp
View file

@ -313,3 +313,14 @@ VOID TEST(KernelPSTest, PsPacketHeaderClockDecode)
} }
} }
VOID TEST(KernelLogTest, LogLevelString)
{
EXPECT_STREQ("Forbidden", srs_log_level_strings[SrsLogLevelForbidden]);
EXPECT_STREQ("Verb", srs_log_level_strings[SrsLogLevelVerbose]);
EXPECT_STREQ("Debug", srs_log_level_strings[SrsLogLevelInfo]);
EXPECT_STREQ("Trace", srs_log_level_strings[SrsLogLevelTrace]);
EXPECT_STREQ("Warn", srs_log_level_strings[SrsLogLevelWarn]);
EXPECT_STREQ("Error", srs_log_level_strings[SrsLogLevelError]);
EXPECT_STREQ("Disabled", srs_log_level_strings[SrsLogLevelDisabled]);
}