ret_t
cherokee_buffer_add_va (cherokee_buffer_t *buf, const char *format, ...)
{
ret_t ret;
va_list ap;
va_start (ap, format);
ret = cherokee_buffer_add_va_list (buf, format, ap);
va_end (ap);
return ret;
}
static void
render_human_error (cherokee_error_type_t type,
const char *filename,
int line,
int error_num,
const cherokee_error_t *error,
cherokee_buffer_t *output,
va_list ap)
{
UNUSED (error_num);
/* Time */
cherokee_buffer_add_char (output, '[');
cherokee_buf_add_bogonow (output, false);
cherokee_buffer_add_str (output, "] ");
/* Error type */
switch (type) {
case cherokee_err_warning:
cherokee_buffer_add_str (output, "(warning)");
break;
case cherokee_err_error:
cherokee_buffer_add_str (output, "(error)");
break;
case cherokee_err_critical:
cherokee_buffer_add_str (output, "(critical)");
break;
default:
SHOULDNT_HAPPEN;
}
/* Source */
cherokee_buffer_add_va (output, " %s:%d - ", filename, line);
/* Error */
cherokee_buffer_add_va_list (output, error->title, ap);
cherokee_buffer_add_char (output, '\n');
/* Backtrace */
#ifdef BACKTRACES_ENABLED
cherokee_buf_add_backtrace (output, 2, "\n", " ");
#endif
}
static void
render_python_error (cherokee_error_type_t type,
const char *filename,
int line,
int error_num,
const cherokee_error_t *error,
cherokee_buffer_t *output,
va_list ap)
{
cherokee_buffer_t tmp = CHEROKEE_BUF_INIT;
/* Dict: open */
cherokee_buffer_add_char (output, '{');
/* Error type */
cherokee_buffer_add_str (output, "'type': \"");
switch (type) {
case cherokee_err_warning:
cherokee_buffer_add_str (output, "warning");
break;
case cherokee_err_error:
cherokee_buffer_add_str (output, "error");
break;
case cherokee_err_critical:
cherokee_buffer_add_str (output, "critical");
break;
default:
SHOULDNT_HAPPEN;
}
cherokee_buffer_add_str (output, "\", ");
/* Time */
cherokee_buffer_add_str (output, "'time': \"");
cherokee_buf_add_bogonow (output, false);
cherokee_buffer_add_str (output, "\", ");
/* Render the title */
cherokee_buffer_add_str (output, "'title': \"");
cherokee_buffer_add_va_list (output, error->title, ap);
cherokee_buffer_add_str (output, "\", ");
skip_args (ap, error->title);
/* File and line*/
cherokee_buffer_add_str (output, "'code': \"");
cherokee_buffer_add_va (output, "%s:%d", filename, line);
cherokee_buffer_add_str (output, "\", ");
/* Error number */
cherokee_buffer_add_str (output, "'error': \"");
cherokee_buffer_add_va (output, "%d", error_num);
cherokee_buffer_add_str (output, "\", ");
/* Description */
if (error->description) {
cherokee_buffer_add_str (output, "'description': \"");
cherokee_buffer_clean (&tmp);
cherokee_buffer_add_va_list (&tmp, error->description, ap);
cherokee_buffer_add_escape_html (output, &tmp);
cherokee_buffer_add_str (output, "\", ");
skip_args (ap, error->description);
}
/* Admin URL */
if (error->admin_url) {
cherokee_buffer_add_str (output, "'admin_url': \"");
cherokee_buffer_add_va_list (output, error->admin_url, ap);
cherokee_buffer_add_str (output, "\", ");
/* ARGS: Skip 'admin_url' */
skip_args (ap, error->admin_url);
}
/* Debug information */
if (error->debug) {
cherokee_buffer_add_str (output, "'debug': \"");
cherokee_buffer_add_va_list (output, error->debug, ap);
cherokee_buffer_add_str (output, "\", ");
/* ARGS: Skip 'debug' */
skip_args (ap, error->debug);
}
/* Version */
cherokee_buffer_add_str (output, "'version': \"");
cherokee_buffer_add_str (output, PACKAGE_VERSION);
cherokee_buffer_add_str (output, "\", ");
cherokee_buffer_add_str (output, "'compilation_date': \"");
cherokee_buffer_add_str (output, __DATE__ " " __TIME__);
cherokee_buffer_add_str (output, "\", ");
cherokee_buffer_add_str (output, "'configure_args': \"");
cherokee_buffer_clean (&tmp);
cherokee_buffer_add_str (&tmp, CHEROKEE_CONFIG_ARGS);
cherokee_buffer_add_escape_html (output, &tmp);
cherokee_buffer_add_buffer (output, &tmp);
cherokee_buffer_add_str (output, "\", ");
/* Backtrace */
cherokee_buffer_add_str (output, "'backtrace': \"");
#ifdef BACKTRACES_ENABLED
cherokee_buffer_clean (&tmp);
cherokee_buf_add_backtrace (&tmp, 2, "\\n", "");
cherokee_buffer_add_escape_html (output, &tmp);
#endif
cherokee_buffer_add_str (output, "\", ");
/* Let's finish here.. */
if (strcmp (output->buf + output->len - 2, ", ") == 0) {
cherokee_buffer_drop_ending (output, 2);
}
cherokee_buffer_add_str (output, "}\n");
/* Clean up */
cherokee_buffer_mrproper (&tmp);
}
void
cherokee_trace_do_trace (const char *entry, const char *file, int line, const char *func, const char *fmt, ...)
{
ret_t ret;
char *p;
char *lentry;
char *lentry_end;
va_list args;
cherokee_connection_t *conn;
cherokee_buffer_t *trace_modules = &trace.modules;
cherokee_boolean_t do_log = false;
cherokee_buffer_t entries = CHEROKEE_BUF_INIT;
/* Prevents loops
*/
if (disabled) {
return;
}
disabled = true;
/* Return ASAP if nothing is being traced
*/
if (cherokee_buffer_is_empty (&trace.modules)) {
goto out;
}
/* Check the connection source, if possible
*/
if (trace.from_filter != NULL) {
conn = CONN (CHEROKEE_THREAD_PROP_GET (thread_connection_ptr));
/* No conn, no trace entry
*/
if (conn == NULL) {
goto out;
}
if (conn->socket.socket < 0) {
goto out;
}
/* Skip the trace if the conn doesn't match
*/
ret = cherokee_access_ip_match (trace.from_filter, &conn->socket);
if (ret != ret_ok) {
goto out;
}
}
/* Also, check for 'all'
*/
p = strstr (trace_modules->buf, "all");
if (p == NULL) {
/* Parse the In-code module string
*/
cherokee_buffer_add (&entries, entry, strlen(entry));
for (lentry = entries.buf;;) {
lentry_end = strchr (lentry, ',');
if (lentry_end) *lentry_end = '\0';
/* Check the type
*/
p = strstr (trace_modules->buf, lentry);
if (p) {
char *tmp = p + strlen(lentry);
if ((*tmp == '\0') || (*tmp == ',') || (*tmp == ' '))
do_log = true;
}
if ((lentry_end == NULL) || (do_log))
break;
lentry = lentry_end + 1;
}
/* Return if trace entry didn't match with the configured list
*/
if (! do_log) {
goto out;
}
}
/* Format the message and log it:
* 'entries' is not needed at this stage, reuse it
*/
cherokee_buffer_clean (&entries);
if (trace.print_thread) {
int len;
char tmp[32+1];
static int longest_len = 0;
len = snprintf (tmp, 32+1, "%llX", (unsigned long long) CHEROKEE_THREAD_SELF);
longest_len = MAX (longest_len, len);
cherokee_buffer_add_str (&entries, "{0x");
cherokee_buffer_add_char_n (&entries, '0', longest_len - len);
cherokee_buffer_add (&entries, tmp, len);
cherokee_buffer_add_str (&entries, "} ");
}
if (trace.print_time) {
cherokee_buffer_add_char (&entries, '[');
cherokee_buf_add_bogonow (&entries, true);
cherokee_buffer_add_str (&entries, "] ");
}
cherokee_buffer_add_va (&entries, "%18s:%04d (%30s): ", file, line, func);
va_start (args, fmt);
cherokee_buffer_add_va_list (&entries, (char *)fmt, args);
va_end (args);
if (trace.use_syslog) {
cherokee_syslog (LOG_DEBUG, &entries);
} else {
#ifdef HAVE_FLOCKFILE
flockfile (stdout);
#endif
fprintf (stdout, "%s", entries.buf);
#ifdef HAVE_FUNLOCKFILE
funlockfile (stdout);
#endif
}
out:
cherokee_buffer_mrproper (&entries);
disabled = false;
}
