X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_connect.c;h=78a7d70337aa560773e50e41c5307f0eb2001689;hb=ee09369500ef26c8c0bc74ea27504f2c9efe28ee;hp=516b5db346482e24500854deef4fbc0c4267aef5;hpb=a95ca4ad9c0f9d23c8a83bd337acdecc221021ef;p=m6w6%2Flibmemcached diff --git a/lib/memcached_connect.c b/lib/memcached_connect.c index 516b5db3..78a7d703 100644 --- a/lib/memcached_connect.c +++ b/lib/memcached_connect.c @@ -1,44 +1,9 @@ #include "common.h" -memcached_return memcached_server_add(memcached_st *ptr, char *hostname, unsigned int port) -{ - memcached_server_st *new_host_list; - char *new_hostname; - LIBMEMCACHED_MEMCACHED_SERVER_ADD_START(); - - if (!port) - port= MEMCACHED_DEFAULT_PORT; - - if (!hostname) - hostname= "localhost"; - - - new_host_list= (memcached_server_st *)realloc(ptr->hosts, sizeof(memcached_server_st) * (ptr->number_of_hosts+1)); - if (!new_host_list) - return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - memset(&new_host_list[ptr->number_of_hosts], 0, sizeof(memcached_server_st)); - - if (!new_host_list) - return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - - ptr->hosts= new_host_list; - - new_hostname= - (char *)malloc(sizeof(char) * (strlen(hostname)+1)); - if (!new_hostname) - return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - - memset(new_hostname, 0, strlen(hostname)+1); - memcpy(new_hostname, hostname, strlen(hostname)); - ptr->hosts[ptr->number_of_hosts].hostname= new_hostname; - ptr->hosts[ptr->number_of_hosts].port= port; - ptr->hosts[ptr->number_of_hosts].fd= -1; - ptr->number_of_hosts++; - - LIBMEMCACHED_MEMCACHED_SERVER_ADD_END(); - - return MEMCACHED_SUCCESS; -} +#include +#include +#include +#include memcached_return memcached_connect(memcached_st *ptr) { @@ -52,9 +17,7 @@ memcached_return memcached_connect(memcached_st *ptr) return MEMCACHED_SUCCESS; if (!ptr->hosts) - { return MEMCACHED_NO_SERVERS; - } for (x= 0; x < ptr->number_of_hosts; x++) { @@ -68,8 +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 */ @@ -77,14 +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();