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implemented system log with file rotation

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This commit is contained in:
Bogdan Pilyugin 2024-07-07 13:22:46 +02:00
parent 0edc230a47
commit 26e104afe5
2 changed files with 67 additions and 1 deletions
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1
include/webguiapp.h
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@ -42,5 +42,6 @@ void SetAppVars( rest_var_t* appvars, int size);
bool GetUserAppNeedReset(void); bool GetUserAppNeedReset(void);
void SetUserAppNeedReset(bool res); void SetUserAppNeedReset(bool res);
void LogFile(char *fname, char *format, ...); void LogFile(char *fname, char *format, ...);
void SysLog(char *format, ...);
#endif /* COMPONENTS_WEBGUIAPPCOMPONENT_INCLUDE_WEBGUIAPP_H_ */ #endif /* COMPONENTS_WEBGUIAPPCOMPONENT_INCLUDE_WEBGUIAPP_H_ */

65
src/SysConfiguration.c
View File

@ -592,6 +592,71 @@ void SetUserAppNeedReset(bool res)
isUserAppNeedReset = res; isUserAppNeedReset = res;
} }
#define LOG_MAX_CHUNK_SIZE 10
#define LOG_MAX_CHUNKS 4
#define DEFAULT_LOG_FILE_NAME "syslog"
static void ComposeLogFilename(int chunk, char *filename)
{
char chunkstr[2];
strcpy(filename, "/data/");
strcat(filename, DEFAULT_LOG_FILE_NAME);
itoa(chunk, chunkstr, 10);
strcat(filename, chunkstr);
strcat(filename, ".log");
}
void SysLog(char *format, ...)
{
char tstamp[ISO8601_TIMESTAMP_LENGTH + 2];
static int cur_chunk = 0, isstart = 1;
char filename[32];
struct stat file_stat;
FILE *f;
ComposeLogFilename(cur_chunk, filename);
//If first call after reboot, try to find not full chunk
if (isstart)
{
while (file_stat.st_size > LOG_MAX_CHUNK_SIZE * 1024 && cur_chunk <= LOG_MAX_CHUNKS)
{
cur_chunk++;
ComposeLogFilename(cur_chunk, filename);
}
isstart = 0;
}
stat(filename, &file_stat);
if (file_stat.st_size > LOG_MAX_CHUNK_SIZE * 1024)
{
if (++cur_chunk > LOG_MAX_CHUNKS)
cur_chunk = 0;
ComposeLogFilename(cur_chunk, filename);
f = fopen(filename, "w");
}
else
f = fopen(filename, "a");
if (f == NULL)
{
ESP_LOGE(TAG, "Failed to open file %s for writing", filename);
return;
}
va_list arg;
va_start(arg, format);
va_end(arg);
strcpy(tstamp, "\r\n");
char ts[ISO8601_TIMESTAMP_LENGTH];
GetISO8601Time(ts);
strcat(tstamp, ts);
strcat(tstamp, " ");
fwrite(tstamp, 1, strlen(tstamp), f);
vfprintf(f, format, arg);
fclose(f);
ESP_LOGI(TAG, "File written to %s", filename);
}
void LogFile(char *fname, char *format, ...) void LogFile(char *fname, char *format, ...)
{ {
char filename[32]; char filename[32];