scrcpy/app/src/util/log.c
Romain Vimont 6df2205cf3 Add generic LOG() macro with level parameter
One log macro was provided for each log level (LOGV(), LOGD(), LOGI(),
LOGW(), LOGE()).

Add a generic macro LOG(LEVEL, ...) accepting a log level as parameter,
so that it is possible to write logging wrappers.

PR #3005 <https://github.com/Genymobile/scrcpy/pull/3005>
2022-02-09 09:53:11 +01:00

87 lines
2.3 KiB
C

#include "log.h"
#if _WIN32
# include <windows.h>
#endif
#include <assert.h>
static SDL_LogPriority
log_level_sc_to_sdl(enum sc_log_level level) {
switch (level) {
case SC_LOG_LEVEL_VERBOSE:
return SDL_LOG_PRIORITY_VERBOSE;
case SC_LOG_LEVEL_DEBUG:
return SDL_LOG_PRIORITY_DEBUG;
case SC_LOG_LEVEL_INFO:
return SDL_LOG_PRIORITY_INFO;
case SC_LOG_LEVEL_WARN:
return SDL_LOG_PRIORITY_WARN;
case SC_LOG_LEVEL_ERROR:
return SDL_LOG_PRIORITY_ERROR;
default:
assert(!"unexpected log level");
return SDL_LOG_PRIORITY_INFO;
}
}
static enum sc_log_level
log_level_sdl_to_sc(SDL_LogPriority priority) {
switch (priority) {
case SDL_LOG_PRIORITY_VERBOSE:
return SC_LOG_LEVEL_VERBOSE;
case SDL_LOG_PRIORITY_DEBUG:
return SC_LOG_LEVEL_DEBUG;
case SDL_LOG_PRIORITY_INFO:
return SC_LOG_LEVEL_INFO;
case SDL_LOG_PRIORITY_WARN:
return SC_LOG_LEVEL_WARN;
case SDL_LOG_PRIORITY_ERROR:
return SC_LOG_LEVEL_ERROR;
default:
assert(!"unexpected log level");
return SC_LOG_LEVEL_INFO;
}
}
void
sc_set_log_level(enum sc_log_level level) {
SDL_LogPriority sdl_log = log_level_sc_to_sdl(level);
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, sdl_log);
}
enum sc_log_level
sc_get_log_level(void) {
SDL_LogPriority sdl_log = SDL_LogGetPriority(SDL_LOG_CATEGORY_APPLICATION);
return log_level_sdl_to_sc(sdl_log);
}
void
sc_log(enum sc_log_level level, const char *fmt, ...) {
SDL_LogPriority sdl_level = log_level_sc_to_sdl(level);
va_list ap;
va_start(ap, fmt);
SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, sdl_level, fmt, ap);
va_end(ap);
}
#ifdef _WIN32
bool
sc_log_windows_error(const char *prefix, int error) {
assert(prefix);
char *message;
DWORD flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM;
DWORD lang_id = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);
int ret =
FormatMessage(flags, NULL, error, lang_id, (char *) &message, 0, NULL);
if (ret <= 0) {
return false;
}
// Note: message already contains a trailing '\n'
LOGE("%s: [%d] %s", prefix, error, message);
LocalFree(message);
return true;
}
#endif