//----------------------------------------------------------------------------------------
//
static int32_t errFunc(MCM_ERR_FUNC_ARGS)
{
const struct memcache_ctxt *ctxt;
struct memcache_err_ctxt *ectxt;
MCM_ERR_INIT_CTXT(ctxt, ectxt);
debug(("ctxt %p ectxt %p\n", ctxt, ectxt));
debug(("errFunc sev %2d cont=%c misc %p %s:%d %s errnum %d:%s\n",
ectxt->severity, ectxt->cont, ectxt->misc,
ectxt->funcname, ectxt->lineno,
ectxt->errstr,
ectxt->errnum, strerror(ectxt->errnum)));
/*
Dang, ectxt->misc is reset in mcm_err() (through that bzero), so we can't use
misc to get our CmemcacheObject.
*/
CmemcacheObject* self = (CmemcacheObject*) ectxt->misc;
/* Outputing the errors is confusing, so don't output anything */
if (self && self->mcErr)
{
self->mcErr(ctxt, ectxt);
}
else if (mcErr)
{
mcErr(ctxt, ectxt);
}
/* FIXME */
// Throw an exception for errors that will exit/abort.
if (ectxt->cont == 'n' || ectxt->cont == 'a')
{
if (self)
{
CmemcacheObject* self = (CmemcacheObject*) ectxt->misc;
/* might be multiple errors before throwing, only collect first error */
if (!self->throwException)
{
snprintf(self->exceptionStr, sizeof(self->exceptionStr)-1,
"%s", ectxt->errstr);
self->throwException = 1;
}
}
// Try not to abort/exit. Without my patch this might segfault libmemcache.
ectxt->cont = 'y';
}
return 0;
}
static int32_t database_cache_error_handler(MCM_ERR_FUNC_ARGS) {
const struct memcache_ctxt *ctxt;
struct memcache_err_ctxt *ectxt;
const char *errno_str;
char buf[256];
MCM_ERR_INIT_CTXT(ctxt, ectxt);
if (ectxt->errnum != 0)
errno_str = strerror(ectxt->errnum);
else
errno_str = NULL;
/* The following IF statement is the core stuff to
TRAP fatal errors and avoid libmemcache to abort() */
if (ectxt->cont == 'a' || ectxt->cont == 'n'){
ectxt->cont = 'y';
memcached_data.has_error = 1;
}
/*
* Quick explaination of the various bits of text:
*
* ectxt->errmsg - per error message passed along via one of the MCM_*_MSG() macros (optional)
* ectxt->errstr - memcache(3) error string (optional, though almost always set)
* errno_str - errno error string (optional)
*/
if (ectxt->errmsg != NULL && errno_str != NULL && ectxt->errmsg != NULL)
snprintf(buf, sizeof(buf)-1, "%s():%u: %s: %s: %.*s\n", ectxt->funcname, ectxt->lineno, ectxt->errstr, errno_str, (int)ectxt->errlen, ectxt->errmsg);
else if (ectxt->errmsg == NULL && errno_str != NULL && ectxt->errmsg != NULL)
snprintf(buf, sizeof(buf)-1, "%s():%u: %s: %.*s\n", ectxt->funcname, ectxt->lineno, errno_str, (int)ectxt->errlen, ectxt->errmsg);
else if (ectxt->errmsg != NULL && errno_str == NULL && ectxt->errmsg != NULL)
snprintf(buf, sizeof(buf)-1, "%s():%u: %s: %.*s\n", ectxt->funcname, ectxt->lineno, ectxt->errstr, (int)ectxt->errlen, ectxt->errmsg);
else if (ectxt->errmsg != NULL && errno_str != NULL && ectxt->errmsg == NULL)
snprintf(buf, sizeof(buf)-1, "%s():%u: %s: %s\n", ectxt->funcname, ectxt->lineno, errno_str, ectxt->errstr);
else if (ectxt->errmsg == NULL && errno_str == NULL && ectxt->errmsg != NULL)
snprintf(buf, sizeof(buf)-1, "%s():%u: %.*s\n", ectxt->funcname, ectxt->lineno, (int)ectxt->errlen, ectxt->errmsg);
else if (ectxt->errmsg == NULL && errno_str != NULL && ectxt->errmsg == NULL)
snprintf(buf, sizeof(buf)-1, "%s():%u: %s\n", ectxt->funcname, ectxt->lineno, errno_str);
else if (ectxt->errmsg != NULL && errno_str == NULL && ectxt->errmsg == NULL)
snprintf(buf, sizeof(buf)-1, "%s():%u: %s\n", ectxt->funcname, ectxt->lineno, ectxt->errmsg);
else
snprintf(buf, sizeof(buf)-1, "%s():%u\n", ectxt->funcname, ectxt->lineno);
switch (ectxt->severity) {
case MCM_ERR_LVL_INFO:
cw_log(LOG_DEBUG,"%s",buf);
break;
case MCM_ERR_LVL_NOTICE:
cw_log(LOG_NOTICE,"%s",buf);
break;
case MCM_ERR_LVL_WARN:
cw_log(LOG_WARNING,"%s",buf);
break;
case MCM_ERR_LVL_ERR:
cw_log(LOG_ERROR,"%s",buf);
break;
case MCM_ERR_LVL_FATAL:
cw_log(LOG_ERROR,"** %s",buf);
break;
default:
cw_log(LOG_NOTICE,"%s",buf);
break;
}
return 0;
}
