X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_connect.c;h=516b5db346482e24500854deef4fbc0c4267aef5;hb=151506dd4b5da014f23438226ee286772a78dfd3;hp=5b3644a18b198053620f1974b5b773389689cf9b;hpb=7cbcd28d0e2958df0572d965996a65e22b18e66a;p=m6w6%2Flibmemcached diff --git a/lib/memcached_connect.c b/lib/memcached_connect.c index 5b3644a1..516b5db3 100644 --- a/lib/memcached_connect.c +++ b/lib/memcached_connect.c @@ -1,8 +1,10 @@ -#include +#include "common.h" memcached_return memcached_server_add(memcached_st *ptr, char *hostname, unsigned int port) { - memcached_host_st *host_ptr, *prev_ptr; + memcached_server_st *new_host_list; + char *new_hostname; + LIBMEMCACHED_MEMCACHED_SERVER_ADD_START(); if (!port) port= MEMCACHED_DEFAULT_PORT; @@ -10,98 +12,82 @@ memcached_return memcached_server_add(memcached_st *ptr, char *hostname, unsigne if (!hostname) hostname= "localhost"; - if (ptr->hosts) - { - for (host_ptr= ptr->hosts; host_ptr; host_ptr= host_ptr->next) - prev_ptr= host_ptr; - host_ptr= (memcached_host_st *)malloc(sizeof(memcached_host_st)); - if (!host_ptr) - return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - prev_ptr->next= host_ptr; - } - else - { - ptr->hosts= - host_ptr= (memcached_host_st *)malloc(sizeof(memcached_host_st)); - if (!host_ptr) - return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - } - memset(host_ptr, 0, sizeof(memcached_host_st)); - host_ptr->hostname= (char *)malloc(sizeof(char) * strlen(hostname)); + 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; - if (!host_ptr->hostname) - { - free(host_ptr); + ptr->hosts= new_host_list; + + new_hostname= + (char *)malloc(sizeof(char) * (strlen(hostname)+1)); + if (!new_hostname) return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - } - memcpy(host_ptr->hostname, hostname, strlen(hostname)); - host_ptr->port= port; + + 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; } memcached_return memcached_connect(memcached_st *ptr) { + unsigned int x; struct sockaddr_in localAddr, servAddr; struct hostent *h; - memcached_host_st *host_ptr; - if (ptr->connected) + LIBMEMCACHED_MEMCACHED_CONNECT_START(); + + if (ptr->connected == ptr->number_of_hosts) return MEMCACHED_SUCCESS; if (!ptr->hosts) { - memcached_return rc; - rc= memcached_server_add(ptr, NULL, 0); - - if (rc != MEMCACHED_SUCCESS) - return rc; + return MEMCACHED_NO_SERVERS; } - - for (host_ptr= ptr->hosts; host_ptr; host_ptr= host_ptr->next) + for (x= 0; x < ptr->number_of_hosts; x++) { - if ((h= gethostbyname(host_ptr->hostname)) == NULL) + if (ptr->hosts[x].fd == -1) { - fprintf(stderr, "unknown host '%s'\n", host_ptr->hostname); - return MEMCACHED_HOST_LOCKUP_FAILURE; - } + if ((h= gethostbyname(ptr->hosts[x].hostname)) == NULL) + return MEMCACHED_HOST_LOCKUP_FAILURE; - servAddr.sin_family= h->h_addrtype; - memcpy((char *) &servAddr.sin_addr.s_addr, h->h_addr_list[0], h->h_length); - servAddr.sin_port = htons(host_ptr->port); + servAddr.sin_family= h->h_addrtype; + memcpy((char *) &servAddr.sin_addr.s_addr, h->h_addr_list[0], h->h_length); + servAddr.sin_port = htons(ptr->hosts[x].port); - /* Create the socket */ - if ((ptr->fd= socket(AF_INET, SOCK_STREAM, 0)) < 0) - { - fprintf(stderr, "cannot open socket"); - return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE; - } + /* Create the socket */ + if ((ptr->hosts[0].fd= socket(AF_INET, SOCK_STREAM, 0)) < 0) + return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE; - /* bind any port number */ - localAddr.sin_family = AF_INET; - localAddr.sin_addr.s_addr = htonl(INADDR_ANY); - localAddr.sin_port = htons(0); + /* bind any port number */ + localAddr.sin_family = AF_INET; + localAddr.sin_addr.s_addr = htonl(INADDR_ANY); + localAddr.sin_port = htons(0); - if (bind(ptr->fd, (struct sockaddr *) &localAddr, sizeof(localAddr)) < 0) - { - fprintf(stderr, "cannot bind port TCP %u\n", host_ptr->port); - return(MEMCACHED_CONNECTION_BIND_FAILURE); - } + if (bind(ptr->hosts[0].fd, (struct sockaddr *) &localAddr, sizeof(localAddr)) < 0) + return(MEMCACHED_CONNECTION_BIND_FAILURE); - /* connect to server */ - if (connect(ptr->fd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) - { - fprintf(stderr, "cannot connect to host '%s' (%u) (error: %s)\n", host_ptr->hostname, - host_ptr->port, - strerror(errno)); - return MEMCACHED_HOST_LOCKUP_FAILURE; + /* connect to server */ + if (connect(ptr->hosts[0].fd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) + return MEMCACHED_HOST_LOCKUP_FAILURE; + + ptr->connected++; } } - - ptr->connected= 1; + LIBMEMCACHED_MEMCACHED_CONNECT_END(); return MEMCACHED_SUCCESS; }