X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fconnect.cc;h=5d180d185e0208004270c707887a51499e26b91b;hb=79382f4948d4734711dda45e1ac397bf7149076c;hp=647ea03bceade3eb4fc87780ebec4988d94bbf0b;hpb=674c7578fa870c3b57e81e765c355ce98434b310;p=awesomized%2Flibmemcached diff --git a/libmemcached/connect.cc b/libmemcached/connect.cc index 647ea03b..5d180d18 100644 --- a/libmemcached/connect.cc +++ b/libmemcached/connect.cc @@ -173,7 +173,8 @@ static memcached_return_t set_hostinfo(org::libmemcached::Instance* server) hints.ai_protocol= IPPROTO_TCP; } - server->address_info= NULL; + assert(server->address_info == NULL); + assert(server->address_info_next == NULL); int errcode; switch(errcode= getaddrinfo(server->hostname, str_port, &hints, &server->address_info)) { @@ -181,19 +182,49 @@ static memcached_return_t set_hostinfo(org::libmemcached::Instance* server) break; case EAI_AGAIN: + if (server->address_info) + { + freeaddrinfo(server->address_info); + server->address_info= NULL; + server->address_info_next= NULL; + } return memcached_set_error(*server, MEMCACHED_TIMEOUT, MEMCACHED_AT, memcached_string_make_from_cstr(gai_strerror(errcode))); case EAI_SYSTEM: + if (server->address_info) + { + freeaddrinfo(server->address_info); + server->address_info= NULL; + server->address_info_next= NULL; + } return memcached_set_errno(*server, errno, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_SYSTEM)")); case EAI_BADFLAGS: + if (server->address_info) + { + freeaddrinfo(server->address_info); + server->address_info= NULL; + server->address_info_next= NULL; + } return memcached_set_error(*server, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_BADFLAGS)")); case EAI_MEMORY: + if (server->address_info) + { + freeaddrinfo(server->address_info); + server->address_info= NULL; + server->address_info_next= NULL; + } return memcached_set_error(*server, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_MEMORY)")); default: { + if (server->address_info) + { + freeaddrinfo(server->address_info); + server->address_info= NULL; + server->address_info_next= NULL; + } return memcached_set_error(*server, MEMCACHED_HOST_LOOKUP_FAILURE, MEMCACHED_AT, memcached_string_make_from_cstr(gai_strerror(errcode))); } } @@ -250,29 +281,31 @@ static void set_socket_options(org::libmemcached::Instance* server) } #ifdef HAVE_SNDTIMEO - if (server->root->snd_timeout) + if (server->root->snd_timeout > 0) { struct timeval waittime; - waittime.tv_sec= 0; - waittime.tv_usec= server->root->snd_timeout; + waittime.tv_sec= server->root->snd_timeout / 1000000; + waittime.tv_usec= server->root->snd_timeout % 1000000; int error= setsockopt(server->fd, SOL_SOCKET, SO_SNDTIMEO, - &waittime, (socklen_t)sizeof(struct timeval)); + &waittime, (socklen_t)sizeof(struct timeval)); + (void)error; assert(error == 0); } #endif #ifdef HAVE_RCVTIMEO - if (server->root->rcv_timeout) + if (server->root->rcv_timeout > 0) { struct timeval waittime; - waittime.tv_sec= 0; - waittime.tv_usec= server->root->rcv_timeout; + waittime.tv_sec= server->root->rcv_timeout / 1000000; + waittime.tv_usec= server->root->rcv_timeout % 1000000; int error= setsockopt(server->fd, SOL_SOCKET, SO_RCVTIMEO, &waittime, (socklen_t)sizeof(struct timeval)); + (void)(error); assert(error == 0); } #endif @@ -283,11 +316,14 @@ static void set_socket_options(org::libmemcached::Instance* server) int set= 1; int error= setsockopt(server->fd, SOL_SOCKET, SO_NOSIGPIPE, (void *)&set, sizeof(int)); + assert(error == 0); + // This is not considered a fatal error if (error == -1) { - WATCHPOINT_ERRNO(get_socket_errno()); +#if 0 perror("setsockopt(SO_NOSIGPIPE)"); +#endif } } #endif @@ -300,6 +336,7 @@ static void set_socket_options(org::libmemcached::Instance* server) linger.l_linger= 0; /* By default on close() just drop the socket */ int error= setsockopt(server->fd, SOL_SOCKET, SO_LINGER, &linger, (socklen_t)sizeof(struct linger)); + (void)(error); assert(error == 0); } @@ -309,6 +346,7 @@ static void set_socket_options(org::libmemcached::Instance* server) int error= setsockopt(server->fd, IPPROTO_TCP, TCP_NODELAY, &flag, (socklen_t)sizeof(int)); + (void)(error); assert(error == 0); } @@ -318,6 +356,7 @@ static void set_socket_options(org::libmemcached::Instance* server) int error= setsockopt(server->fd, SOL_SOCKET, SO_KEEPALIVE, &flag, (socklen_t)sizeof(int)); + (void)(error); assert(error == 0); } @@ -326,6 +365,7 @@ static void set_socket_options(org::libmemcached::Instance* server) { int error= setsockopt(server->fd, IPPROTO_TCP, TCP_KEEPIDLE, &server->root->tcp_keepidle, (socklen_t)sizeof(int)); + (void)(error); assert(error == 0); } #endif @@ -334,6 +374,7 @@ static void set_socket_options(org::libmemcached::Instance* server) { int error= setsockopt(server->fd, SOL_SOCKET, SO_SNDBUF, &server->root->send_size, (socklen_t)sizeof(int)); + (void)(error); assert(error == 0); } @@ -341,6 +382,7 @@ static void set_socket_options(org::libmemcached::Instance* server) { int error= setsockopt(server->fd, SOL_SOCKET, SO_RCVBUF, &server->root->recv_size, (socklen_t)sizeof(int)); + (void)(error); assert(error == 0); } @@ -405,7 +447,7 @@ static memcached_return_t network_connect(org::libmemcached::Instance* server) bool timeout_error_occured= false; WATCHPOINT_ASSERT(server->fd == INVALID_SOCKET); - WATCHPOINT_ASSERT(server->cursor_active == 0); + WATCHPOINT_ASSERT(server->cursor_active_ == 0); /* We want to check both of these because if address_info_next has been fully tried, we want to do a new lookup to make sure we have picked up on any new DNS information. @@ -414,24 +456,7 @@ static memcached_return_t network_connect(org::libmemcached::Instance* server) { WATCHPOINT_ASSERT(server->state == MEMCACHED_SERVER_STATE_NEW); server->address_info_next= NULL; - memcached_return_t rc; - uint32_t counter= 5; - while (--counter) - { - if ((rc= set_hostinfo(server)) != MEMCACHED_TIMEOUT) - { - break; - } - -#ifndef WIN32 - struct timespec dream, rem; - - dream.tv_nsec= 1000; - dream.tv_sec= 0; - - nanosleep(&dream, &rem); -#endif - } + memcached_return_t rc= set_hostinfo(server); if (memcached_failed(rc)) { @@ -641,6 +666,7 @@ static memcached_return_t backoff_handling(org::libmemcached::Instance* server, static memcached_return_t _memcached_connect(org::libmemcached::Instance* server, const bool set_last_disconnected) { + assert(server); if (server->fd != INVALID_SOCKET) { return MEMCACHED_SUCCESS; @@ -696,6 +722,7 @@ static memcached_return_t _memcached_connect(org::libmemcached::Instance* server if (memcached_success(rc)) { server->mark_server_as_clean(); + memcached_version_instance(server); return rc; } else if (set_last_disconnected) @@ -727,6 +754,11 @@ static memcached_return_t _memcached_connect(org::libmemcached::Instance* server memcached_return_t memcached_connect_try(org::libmemcached::Instance* server) { + if (server and server->root and server->root->state.is_parsing) + { + return MEMCACHED_SUCCESS; + } + return _memcached_connect(server, false); }