pid_t libmemcached_util_getpid(const char *hostname, in_port_t port, memcached_return_t *ret)
{
- memcached_st *memc_ptr= memcached_create(NULL);
-
pid_t pid= -1;
+ memcached_return_t unused;
+ if (not ret)
+ ret= &unused;
+
+ memcached_st *memc_ptr= memcached_create(NULL);
+ if (not memc_ptr)
+ {
+ *ret= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
+ return pid;
+ }
+
memcached_return_t rc= memcached_server_add(memc_ptr, hostname, port);
if (memcached_success(rc))
{
- if (memcached_success(memcached_version(memc_ptr)))
+ memcached_stat_st *stat= memcached_stat(memc_ptr, NULL, &rc);
+ if (stat and stat->pid > 0)
+ {
+ pid= stat->pid;
+ }
+ else if (memcached_failed(rc) and rc == MEMCACHED_SOME_ERRORS)
{
- memcached_stat_st *stat= memcached_stat(memc_ptr, NULL, &rc);
- if (stat and stat->pid > 0)
+ memcached_server_instance_st instance=
+ memcached_server_instance_by_position(memc_ptr, 0);
+
+ if (instance and instance->error_messages)
{
- pid= stat->pid;
+ rc= memcached_server_error_return(instance);
}
-
- memcached_stat_free(memc_ptr, stat);
}
+ else if (memcached_success(rc))
+ {
+ rc= MEMCACHED_UNKNOWN_STAT_KEY; // Something went wrong if this happens
+ }
+
+ memcached_stat_free(memc_ptr, stat);
}
memcached_free(memc_ptr);
- if (ret)
- {
- *ret= rc;
- }
+ *ret= rc;
return pid;
}