X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fmemcached_connect.c;h=753392b3f58e8a9e1f471da508e38b15b5cbbf8e;hb=029bdf130a14e3d9e89f0d45895235992ef22f84;hp=7d6f85a49840c99ed2c8be8114e38a5b030d0200;hpb=92104790f8c3330d957f43aac5cc73134482fd83;p=m6w6%2Flibmemcached diff --git a/libmemcached/memcached_connect.c b/libmemcached/memcached_connect.c index 7d6f85a4..753392b3 100644 --- a/libmemcached/memcached_connect.c +++ b/libmemcached/memcached_connect.c @@ -1,4 +1,5 @@ #include "common.h" +#include #include #include @@ -13,7 +14,7 @@ static memcached_return set_hostinfo(memcached_server_st *server) memset(&hints, 0, sizeof(hints)); - hints.ai_family= AF_INET; + // hints.ai_family= AF_INET; if (server->type == MEMCACHED_CONNECTION_UDP) { hints.ai_protocol= IPPROTO_UDP; @@ -34,7 +35,10 @@ static memcached_return set_hostinfo(memcached_server_st *server) } if (server->address_info) + { freeaddrinfo(server->address_info); + server->address_info= NULL; + } server->address_info= ai; return MEMCACHED_SUCCESS; @@ -42,32 +46,51 @@ static memcached_return set_hostinfo(memcached_server_st *server) static memcached_return set_socket_options(memcached_server_st *ptr) { + WATCHPOINT_ASSERT(ptr->fd != -1); + if (ptr->type == MEMCACHED_CONNECTION_UDP) return MEMCACHED_SUCCESS; - if (ptr->root->flags & MEM_NO_BLOCK) +#ifdef HAVE_SNDTIMEO + if (ptr->root->snd_timeout) { 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); + waittime.tv_sec= 0; + waittime.tv_usec= ptr->root->snd_timeout; error= setsockopt(ptr->fd, SOL_SOCKET, SO_SNDTIMEO, &waittime, (socklen_t)sizeof(struct timeval)); WATCHPOINT_ASSERT(error == 0); + } +#endif + +#ifdef HAVE_RCVTIMEO + if (ptr->root->rcv_timeout) + { + int error; + struct timeval waittime; + + waittime.tv_sec= 0; + waittime.tv_usec= ptr->root->rcv_timeout; error= setsockopt(ptr->fd, SOL_SOCKET, SO_RCVTIMEO, &waittime, (socklen_t)sizeof(struct timeval)); WATCHPOINT_ASSERT(error == 0); } +#endif + + { + int error; + struct linger linger; + + 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); + } if (ptr->root->flags & MEM_TCP_NODELAY) { @@ -92,7 +115,7 @@ static memcached_return set_socket_options(memcached_server_st *ptr) { int error; - error= setsockopt(ptr->fd, SOL_SOCKET, SO_SNDBUF, + error= setsockopt(ptr->fd, SOL_SOCKET, SO_RCVBUF, &ptr->root->recv_size, (socklen_t)sizeof(int)); WATCHPOINT_ASSERT(error == 0); } @@ -150,6 +173,8 @@ test_connect: } } } + + WATCHPOINT_ASSERT(ptr->fd != -1); return MEMCACHED_SUCCESS; } @@ -159,10 +184,16 @@ static memcached_return network_connect(memcached_server_st *ptr) { struct addrinfo *use; - /* Old connection junk still is in the structure */ - WATCHPOINT_ASSERT(ptr->cursor_active == 0); + if (ptr->root->server_failure_limit != 0) + { + if (ptr->server_failure_counter >= ptr->root->server_failure_limit) + { + memcached_server_remove(ptr); + return MEMCACHED_FAILURE; + } + } - if (ptr->sockaddr_inited == MEMCACHED_NOT_ALLOCATED || + if (ptr->sockaddr_inited || (!(ptr->root->flags & MEM_USE_CACHE_LOOKUPS))) { memcached_return rc; @@ -170,7 +201,7 @@ static memcached_return network_connect(memcached_server_st *ptr) rc= set_hostinfo(ptr); if (rc != MEMCACHED_SUCCESS) return rc; - ptr->sockaddr_inited= MEMCACHED_ALLOCATED; + ptr->sockaddr_inited= true; } use= ptr->address_info; @@ -211,18 +242,21 @@ test_connect: { goto handle_retry; } - else if (error != 1) + else if (error != 1 && fds[0].revents & POLLERR) { ptr->cached_errno= errno; WATCHPOINT_ERRNO(ptr->cached_errno); WATCHPOINT_NUMBER(ptr->root->connect_timeout); - close(ptr->fd); - ptr->fd= -1; - if (ptr->address_info) + memcached_quit_server(ptr, 1); + + if (ptr->root->retry_timeout) { - freeaddrinfo(ptr->address_info); - ptr->address_info= NULL; + struct timeval next_time; + + gettimeofday(&next_time, NULL); + ptr->next_retry= next_time.tv_sec + ptr->root->retry_timeout; } + ptr->server_failure_counter+= 1; return MEMCACHED_ERRNO; } @@ -251,15 +285,19 @@ handle_retry: else { WATCHPOINT_ASSERT(ptr->cursor_active == 0); + ptr->server_failure_counter= 0; return MEMCACHED_SUCCESS; } use = use->ai_next; } } - if (ptr->fd == -1) + if (ptr->fd == -1) { + ptr->server_failure_counter+= 1; return MEMCACHED_ERRNO; /* The last error should be from connect() */ + } + ptr->server_failure_counter= 0; return MEMCACHED_SUCCESS; /* The last error should be from connect() */ }