X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fmemcached_connect.c;h=54316c59f90e677eae6752a7bedc45b318adfca0;hb=a9b22f8a1c9f98eef8becdbef11d8e20d43dd23c;hp=7edcce8565925da6cdc63a53e4ab161823eb45ed;hpb=1c1fa16311aeaad3cb84bf6da3c403b9963ddc44;p=awesomized%2Flibmemcached diff --git a/libmemcached/memcached_connect.c b/libmemcached/memcached_connect.c index 7edcce85..54316c59 100644 --- a/libmemcached/memcached_connect.c +++ b/libmemcached/memcached_connect.c @@ -1,5 +1,6 @@ #include "common.h" #include +#include static memcached_return set_hostinfo(memcached_server_st *server) { @@ -12,7 +13,7 @@ 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; @@ -33,7 +34,10 @@ 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; @@ -44,30 +48,43 @@ static memcached_return set_socket_options(memcached_server_st *ptr) if (ptr->type == MEMCACHED_CONNECTION_UDP) return MEMCACHED_SUCCESS; - if (ptr->root->flags & MEM_NO_BLOCK) + 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); + } + + 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); } + { + 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) { int flag= 1; @@ -158,6 +175,14 @@ static memcached_return network_connect(memcached_server_st *ptr) { struct addrinfo *use; + if (ptr->root->server_failure_limit != 0) + { + if (ptr->server_failure_counter >= ptr->root->server_failure_limit) + { + memcached_server_remove(ptr); + return MEMCACHED_FAILURE; + } + } /* Old connection junk still is in the structure */ WATCHPOINT_ASSERT(ptr->cursor_active == 0); @@ -206,13 +231,31 @@ test_connect: fds[0].events= POLLOUT | POLLERR; error= poll(fds, 1, ptr->root->connect_timeout); - if (error != 1) + if (error == 0) + { + goto handle_retry; + } + 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) + { + freeaddrinfo(ptr->address_info); + ptr->address_info= NULL; + } + + if (ptr->root->retry_timeout) + { + 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; } @@ -224,8 +267,8 @@ test_connect: case EISCONN: /* We were spinning waiting on connect */ break; default: +handle_retry: ptr->cached_errno= errno; - WATCHPOINT_ERRNO(ptr->cached_errno); close(ptr->fd); ptr->fd= -1; if (ptr->root->retry_timeout) @@ -240,15 +283,19 @@ test_connect: 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() */ } @@ -284,9 +331,6 @@ memcached_return memcached_connect(memcached_server_st *ptr) WATCHPOINT_ASSERT(0); } - if (rc != MEMCACHED_SUCCESS) - WATCHPOINT_ERROR(rc); - LIBMEMCACHED_MEMCACHED_CONNECT_END(); return rc;