+
+static memcached_return network_connect(memcached_server_st *ptr)
+{
+ if (ptr->fd == -1)
+ {
+ struct addrinfo *use;
+
+ /* Old connection junk still is in the structure */
+ WATCHPOINT_ASSERT(ptr->cursor_active == 0);
+
+ if (ptr->sockaddr_inited == MEMCACHED_NOT_ALLOCATED ||
+ (!(ptr->root->flags & MEM_USE_CACHE_LOOKUPS)))
+ {
+ memcached_return rc;
+
+ rc= set_hostinfo(ptr);
+ if (rc != MEMCACHED_SUCCESS)
+ return rc;
+ ptr->sockaddr_inited= MEMCACHED_ALLOCATED;
+ }
+
+ use= ptr->address_info;
+ /* Create the socket */
+ while (use != NULL)
+ {
+ if ((ptr->fd= socket(use->ai_family,
+ use->ai_socktype,
+ use->ai_protocol)) < 0)
+ {
+ ptr->cached_errno= errno;
+ WATCHPOINT_ERRNO(errno);
+ return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE;
+ }
+
+ (void)set_socket_options(ptr);
+
+ /* connect to server */
+test_connect:
+ if (connect(ptr->fd,
+ use->ai_addr,
+ use->ai_addrlen) < 0)
+ {
+ switch (errno) {
+ /* We are spinning waiting on connect */
+ case EALREADY:
+ case EINPROGRESS:
+ case EINTR:
+ goto test_connect;
+ case EISCONN: /* We were spinning waiting on connect */
+ break;
+ default:
+ ptr->cached_errno= errno;
+ WATCHPOINT_ERRNO(ptr->cached_errno);
+ close(ptr->fd);
+ ptr->fd= -1;
+ if (ptr->root->retry_timeout)
+ {
+ struct timeval next_time;
+
+ gettimeofday(&next_time, NULL);
+ ptr->next_retry= next_time.tv_sec + ptr->root->retry_timeout;
+ }
+ }
+ }
+ else
+ {
+ WATCHPOINT_ASSERT(ptr->cursor_active == 0);
+ return MEMCACHED_SUCCESS;
+ }
+ use = use->ai_next;
+ }
+ }
+
+ if (ptr->fd == -1)
+ return MEMCACHED_ERRNO; /* The last error should be from connect() */
+
+ return MEMCACHED_SUCCESS; /* The last error should be from connect() */
+}
+
+
+memcached_return memcached_connect(memcached_server_st *ptr)
+{
+ memcached_return rc= MEMCACHED_NO_SERVERS;
+ LIBMEMCACHED_MEMCACHED_CONNECT_START();
+
+ if (ptr->root->retry_timeout)
+ {
+ struct timeval next_time;
+
+ gettimeofday(&next_time, NULL);
+ if (next_time.tv_sec < ptr->next_retry)
+ return MEMCACHED_TIMEOUT;
+ }
+ /* We need to clean up the multi startup piece */
+ switch (ptr->type)
+ {
+ case MEMCACHED_CONNECTION_UNKNOWN:
+ WATCHPOINT_ASSERT(0);
+ rc= MEMCACHED_NOT_SUPPORTED;
+ break;
+ case MEMCACHED_CONNECTION_UDP:
+ case MEMCACHED_CONNECTION_TCP:
+ rc= network_connect(ptr);
+ break;
+ case MEMCACHED_CONNECTION_UNIX_SOCKET:
+ rc= unix_socket_connect(ptr);
+ break;
+ default:
+ WATCHPOINT_ASSERT(0);
+ }
+
+ if (rc != MEMCACHED_SUCCESS)
+ WATCHPOINT_ERROR(rc);
+
+ LIBMEMCACHED_MEMCACHED_CONNECT_END();
+
+ return rc;
+}