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logger.c: Added a new log formatter called "plain"

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Added a new log formatter called "plain" that always prints
file, function and line number if available (even for verbose
messages) and never prints color control characters.  It also
doesn't apply any special formatting for verbose messages.
Most suitable for file output but can be used for other channels
as well.

You use it in logger.conf like so:
debug => [plain]debug
console => [plain]error,warning,debug,notice,pjsip_history
messages => [plain]warning,error,verbose

Change-Id: I4fdfe4089f66ce2f9cb29f3005522090dbb5243d
This commit is contained in:
George Joseph
2020-08-14 10:13:33 -06:00
committed by Friendly Automation
parent 5b9ac90531
commit 54ddf19141
3 changed files with 68 additions and 0 deletions
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52
main/logger.c
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@@ -423,6 +423,56 @@ static struct logformatter logformatter_default = {
.format_log = format_log_default,
};
static int format_log_plain(struct logchannel *chan, struct logmsg *msg, char *buf, size_t size)
{
char call_identifier_str[13];
char linestr[32];
int has_file = !ast_strlen_zero(msg->file);
int has_line = (msg->line > 0);
int has_func = !ast_strlen_zero(msg->function);
if (msg->callid) {
snprintf(call_identifier_str, sizeof(call_identifier_str), "[C-%08x]", msg->callid);
} else {
call_identifier_str[0] = '\0';
}
switch (chan->type) {
case LOGTYPE_SYSLOG:
snprintf(buf, size, "%s[%d]%s: %s:%d in %s: %s",
levels[msg->level], msg->lwp, call_identifier_str, msg->file,
msg->line, msg->function, msg->message);
term_strip(buf, buf, size);
break;
case LOGTYPE_FILE:
case LOGTYPE_CONSOLE:
/* Turn the numerical line number into a string */
snprintf(linestr, sizeof(linestr), "%d", msg->line);
/* Build string to print out */
snprintf(buf, size, "[%s] %s[%d]%s: %s%s%s%s%s%s%s",
msg->date,
msg->level_name,
msg->lwp,
call_identifier_str,
has_file ? msg->file : "",
has_file ? ":" : "",
has_line ? linestr : "",
has_line ? " " : "",
has_func ? msg->function : "",
has_func ? ": " : "",
msg->message);
term_strip(buf, buf, size);
break;
}
return 0;
}
static struct logformatter logformatter_plain = {
.name = "plain",
.format_log = format_log_plain,
};
static void make_components(struct logchannel *chan)
{
char *w;
@@ -449,6 +499,8 @@ static void make_components(struct logchannel *chan)
memcpy(&chan->formatter, &logformatter_json, sizeof(chan->formatter));
} else if (!strcasecmp(formatter_name, "default")) {
memcpy(&chan->formatter, &logformatter_default, sizeof(chan->formatter));
} else if (!strcasecmp(formatter_name, "plain")) {
memcpy(&chan->formatter, &logformatter_plain, sizeof(chan->formatter));
} else {
fprintf(stderr, "Logger Warning: Unknown formatter definition %s for %s in logger.conf; using 'default'\n",
formatter_name, chan->filename);