X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_connect.c;h=78a7d70337aa560773e50e41c5307f0eb2001689;hb=a7db49095a0ed78a1418003a00eef6d483c0d854;hp=381053950b16540dbc5d05925ebcc87031d369ab;hpb=e69bb33d8da40ded7f7a58a321b9f220b6651c8c;p=m6w6%2Flibmemcached diff --git a/lib/memcached_connect.c b/lib/memcached_connect.c index 38105395..78a7d703 100644 --- a/lib/memcached_connect.c +++ b/lib/memcached_connect.c @@ -1,5 +1,10 @@ #include "common.h" +#include +#include +#include +#include + memcached_return memcached_connect(memcached_st *ptr) { unsigned int x; @@ -26,8 +31,11 @@ memcached_return memcached_connect(memcached_st *ptr) servAddr.sin_port = htons(ptr->hosts[x].port); /* Create the socket */ - if ((ptr->hosts[0].fd= socket(AF_INET, SOCK_STREAM, 0)) < 0) + if ((ptr->hosts[x].fd= socket(AF_INET, SOCK_STREAM, 0)) < 0) + { + ptr->my_errno= errno; return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE; + } /* bind any port number */ @@ -35,14 +43,42 @@ memcached_return memcached_connect(memcached_st *ptr) localAddr.sin_addr.s_addr = htonl(INADDR_ANY); localAddr.sin_port = htons(0); - if (bind(ptr->hosts[0].fd, (struct sockaddr *) &localAddr, sizeof(localAddr)) < 0) - return(MEMCACHED_CONNECTION_BIND_FAILURE); + /* For the moment, not getting a nonblocking mode will note be fatal */ + if (ptr->flags & MEM_NO_BLOCK) + { + int flags; + + flags= fcntl(ptr->hosts[x].fd, F_GETFL, 0); + if (flags != -1) + (void)fcntl(ptr->hosts[x].fd, F_SETFL, flags | O_NONBLOCK); + } + + if (ptr->flags & MEM_TCP_NODELAY) + { + int flag= 1; + + setsockopt(ptr->hosts[x].fd, IPPROTO_TCP, TCP_NODELAY, + &flag, (socklen_t)sizeof(int)); + } /* connect to server */ - if (connect(ptr->hosts[0].fd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) +test_connect: + if (connect(ptr->hosts[x].fd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) + { + switch (errno) { + /* We are spinning waiting on connect */ + case EINPROGRESS: + case EINTR: + goto test_connect; + case EISCONN: /* We were spinning waiting on connect */ + break; + default: + ptr->my_errno= errno; return MEMCACHED_HOST_LOCKUP_FAILURE; + } ptr->connected++; + } } } LIBMEMCACHED_MEMCACHED_CONNECT_END();