X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_connect.c;h=9f0c6e7dee863a7fccaaebcce87cd77bb73be2a4;hb=9fc696736c22835d12669f294c96563a4d81f8cc;hp=82a08ab7327ea513908d4fac32066e8d8743952f;hpb=97ccdd0fbb452e094e1fcfde80376f805370ff70;p=awesomized%2Flibmemcached diff --git a/lib/memcached_connect.c b/lib/memcached_connect.c index 82a08ab7..9f0c6e7d 100644 --- a/lib/memcached_connect.c +++ b/lib/memcached_connect.c @@ -12,7 +12,7 @@ static memcached_return set_hostinfo(memcached_server_st *server) memset(&hints, 0, sizeof(hints)); hints.ai_family= AF_INET; hints.ai_socktype= SOCK_STREAM; - hints.ai_protocol= 0; + hints.ai_protocol= IPPROTO_TCP; e= getaddrinfo(server->hostname, str_port, &hints, &ai); if (e != 0) @@ -29,14 +29,14 @@ static memcached_return set_hostinfo(memcached_server_st *server) return MEMCACHED_SUCCESS; } -static memcached_return unix_socket_connect(memcached_st *ptr, unsigned int server_key) +static memcached_return unix_socket_connect(memcached_server_st *ptr) { struct sockaddr_un servAddr; socklen_t addrlen; - if (ptr->hosts[server_key].fd == -1) + if (ptr->fd == -1) { - if ((ptr->hosts[server_key].fd= socket(AF_UNIX, SOCK_STREAM, 0)) < 0) + if ((ptr->fd= socket(AF_UNIX, SOCK_STREAM, 0)) < 0) { ptr->cached_errno= errno; return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE; @@ -44,12 +44,12 @@ static memcached_return unix_socket_connect(memcached_st *ptr, unsigned int serv memset(&servAddr, 0, sizeof (struct sockaddr_un)); servAddr.sun_family= AF_UNIX; - strcpy(servAddr.sun_path, ptr->hosts[server_key].hostname); /* Copy filename */ + strcpy(servAddr.sun_path, ptr->hostname); /* Copy filename */ addrlen= strlen(servAddr.sun_path) + sizeof(servAddr.sun_family); test_connect: - if (connect(ptr->hosts[server_key].fd, + if (connect(ptr->fd, (struct sockaddr *)&servAddr, sizeof(servAddr)) < 0) { @@ -66,37 +66,36 @@ test_connect: ptr->cached_errno= errno; return MEMCACHED_ERRNO; } - ptr->connected++; } } return MEMCACHED_SUCCESS; } -static memcached_return udp_connect(memcached_st *ptr, unsigned int server_key) +static memcached_return udp_connect(memcached_server_st *ptr) { - if (ptr->hosts[server_key].fd == -1) + if (ptr->fd == -1) { /* Old connection junk still is in the structure */ - WATCHPOINT_ASSERT(ptr->hosts[server_key].stack_responses == 0); + WATCHPOINT_ASSERT(ptr->cursor_active == 0); /* If we have not allocated the hosts object. Or if the cache has not been set. */ - if (ptr->hosts[server_key].sockaddr_inited == MEMCACHED_NOT_ALLOCATED || - (!(ptr->flags & MEM_USE_CACHE_LOOKUPS))) + if (ptr->sockaddr_inited == MEMCACHED_NOT_ALLOCATED || + (!(ptr->root->flags & MEM_USE_CACHE_LOOKUPS))) { memcached_return rc; - rc= set_hostinfo(&ptr->hosts[server_key]); + rc= set_hostinfo(ptr); if (rc != MEMCACHED_SUCCESS) return rc; - ptr->hosts[server_key].sockaddr_inited= MEMCACHED_ALLOCATED; + ptr->sockaddr_inited= MEMCACHED_ALLOCATED; } /* Create the socket */ - if ((ptr->hosts[server_key].fd= socket(AF_INET, SOCK_DGRAM, 0)) < 0) + if ((ptr->fd= socket(AF_INET, SOCK_DGRAM, 0)) < 0) { ptr->cached_errno= errno; return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE; @@ -106,69 +105,105 @@ static memcached_return udp_connect(memcached_st *ptr, unsigned int server_key) return MEMCACHED_SUCCESS; } -static memcached_return tcp_connect(memcached_st *ptr, unsigned int server_key) +static memcached_return tcp_connect(memcached_server_st *ptr) { - if (ptr->hosts[server_key].fd == -1) + if (ptr->fd == -1) { - /* Old connection junk still is in the structure */ - WATCHPOINT_ASSERT(ptr->hosts[server_key].stack_responses == 0); struct addrinfo *use; - if (ptr->hosts[server_key].sockaddr_inited == MEMCACHED_NOT_ALLOCATED || - (!(ptr->flags & MEM_USE_CACHE_LOOKUPS))) + /* 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->hosts[server_key]); + rc= set_hostinfo(ptr); if (rc != MEMCACHED_SUCCESS) return rc; - ptr->hosts[server_key].sockaddr_inited= MEMCACHED_ALLOCATED; + ptr->sockaddr_inited= MEMCACHED_ALLOCATED; } - use= ptr->hosts[server_key].address_info; + use= ptr->address_info; /* Create the socket */ - if ((ptr->hosts[server_key].fd= socket(use->ai_family, - use->ai_socktype, - use->ai_protocol)) < 0) + 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; } - /* For the moment, not getting a nonblocking mode will not be fatal */ - if (ptr->flags & MEM_NO_BLOCK) + if (ptr->root->flags & MEM_NO_BLOCK) { - int flags; - - flags= fcntl(ptr->hosts[server_key].fd, F_GETFL, 0); - if (flags != -1) - (void)fcntl(ptr->hosts[server_key].fd, F_SETFL, flags | O_NONBLOCK); + int error; + struct linger linger; + struct timeval waittime; + + waittime.tv_sec= 10; + waittime.tv_usec= 0; + + linger.l_onoff= 1; + linger.l_linger= MEMCACHED_DEFAULT_TIMEOUT; + error= setsockopt(ptr->fd, SOL_SOCKET, SO_LINGER, + &linger, (socklen_t)sizeof(struct linger)); + WATCHPOINT_ASSERT(error == 0); + + error= setsockopt(ptr->fd, SOL_SOCKET, SO_SNDTIMEO, + &waittime, (socklen_t)sizeof(struct timeval)); + WATCHPOINT_ASSERT(error == 0); + + error= setsockopt(ptr->fd, SOL_SOCKET, SO_RCVTIMEO, + &waittime, (socklen_t)sizeof(struct timeval)); + WATCHPOINT_ASSERT(error == 0); } - if (ptr->flags & MEM_TCP_NODELAY) + if (ptr->root->flags & MEM_TCP_NODELAY) { int flag= 1; + int error; + + error= setsockopt(ptr->fd, IPPROTO_TCP, TCP_NODELAY, + &flag, (socklen_t)sizeof(int)); + WATCHPOINT_ASSERT(error == 0); + } + + if (ptr->root->send_size) + { + int error; - setsockopt(ptr->hosts[server_key].fd, IPPROTO_TCP, TCP_NODELAY, - &flag, (socklen_t)sizeof(int)); + error= setsockopt(ptr->fd, SOL_SOCKET, SO_SNDBUF, + &ptr->root->send_size, (socklen_t)sizeof(int)); + WATCHPOINT_ASSERT(error == 0); } - if (ptr->send_size) + if (ptr->root->recv_size) { - setsockopt(ptr->hosts[server_key].fd, SOL_SOCKET, SO_SNDBUF, - &ptr->send_size, (socklen_t)sizeof(int)); + int error; + + error= setsockopt(ptr->fd, SOL_SOCKET, SO_SNDBUF, + &ptr->root->recv_size, (socklen_t)sizeof(int)); + WATCHPOINT_ASSERT(error == 0); } - if (ptr->recv_size) + /* For the moment, not getting a nonblocking mode will not be fatal */ + if (ptr->root->flags & MEM_NO_BLOCK) { - setsockopt(ptr->hosts[server_key].fd, SOL_SOCKET, SO_SNDBUF, - &ptr->recv_size, (socklen_t)sizeof(int)); + int flags; + + flags= fcntl(ptr->fd, F_GETFL, 0); + if (flags != -1) + { + (void)fcntl(ptr->fd, F_SETFL, flags | O_NONBLOCK); + } } + /* connect to server */ test_connect: - if (connect(ptr->hosts[server_key].fd, + if (connect(ptr->fd, use->ai_addr, use->ai_addrlen) < 0) { @@ -182,45 +217,44 @@ test_connect: break; default: ptr->cached_errno= errno; + WATCHPOINT_ASSERT(errno == ECONNREFUSED); WATCHPOINT_ERRNO(ptr->cached_errno); + close(ptr->fd); + ptr->fd= -1; return MEMCACHED_ERRNO; } - ptr->connected++; } - WATCHPOINT_ASSERT(ptr->hosts[server_key].stack_responses == 0); + + WATCHPOINT_ASSERT(ptr->cursor_active == 0); } return MEMCACHED_SUCCESS; } -memcached_return memcached_connect(memcached_st *ptr, unsigned int server_key) +memcached_return memcached_connect(memcached_server_st *ptr) { memcached_return rc= MEMCACHED_NO_SERVERS; LIBMEMCACHED_MEMCACHED_CONNECT_START(); - if (ptr->connected == ptr->number_of_hosts && ptr->number_of_hosts) - return MEMCACHED_SUCCESS; - - if (ptr->hosts == NULL || ptr->number_of_hosts == 0) - return MEMCACHED_NO_SERVERS; - /* We need to clean up the multi startup piece */ - switch (ptr->hosts[server_key].type) + switch (ptr->type) { case MEMCACHED_CONNECTION_UNKNOWN: WATCHPOINT_ASSERT(0); rc= MEMCACHED_NOT_SUPPORTED; break; case MEMCACHED_CONNECTION_UDP: - rc= udp_connect(ptr, server_key); + rc= udp_connect(ptr); break; case MEMCACHED_CONNECTION_TCP: - rc= tcp_connect(ptr, server_key); + rc= tcp_connect(ptr); break; case MEMCACHED_CONNECTION_UNIX_SOCKET: - rc= unix_socket_connect(ptr, server_key); + rc= unix_socket_connect(ptr); break; + default: + WATCHPOINT_ASSERT(0); } if (rc != MEMCACHED_SUCCESS)