X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_connect.c;h=516b5db346482e24500854deef4fbc0c4267aef5;hb=151506dd4b5da014f23438226ee286772a78dfd3;hp=31f8ce1629458952b832d512da10a1a2f766a577;hpb=be683ec76c3d55c427d72d3529f521e479967f6b;p=m6w6%2Flibmemcached diff --git a/lib/memcached_connect.c b/lib/memcached_connect.c index 31f8ce16..516b5db3 100644 --- a/lib/memcached_connect.c +++ b/lib/memcached_connect.c @@ -1,7 +1,11 @@ -#include +#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; @@ -9,16 +13,30 @@ memcached_return memcached_server_add(memcached_st *ptr, char *hostname, unsigne hostname= "localhost"; - ptr->hosts= (memcached_host_st *)realloc(ptr->hosts, sizeof(memcached_host_st) * (ptr->number_of_hosts+1)); - memset(ptr->hosts, 0, sizeof(memcached_host_st) * (size_t)ptr->number_of_hosts); - ptr->hosts[ptr->number_of_hosts].hostname= - (char *)malloc(sizeof(char) * (strlen(hostname) + 1)); - memset(ptr->hosts[ptr->number_of_hosts].hostname, 0, sizeof(char) * (strlen(hostname) + 1)); - memcpy(ptr->hosts[ptr->number_of_hosts].hostname, hostname, 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; + + 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; } @@ -27,63 +45,49 @@ 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 (x= 0; x < ptr->number_of_hosts; x++) { - if ((h= gethostbyname(ptr->hosts[x].hostname)) == NULL) + if (ptr->hosts[x].fd == -1) { - fprintf(stderr, "unknown host '%s'\n", ptr->hosts[x].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(ptr->hosts[x].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->hosts[0].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->hosts[0].fd, (struct sockaddr *) &localAddr, sizeof(localAddr)) < 0) - { - fprintf(stderr, "cannot bind port TCP %u\n", ptr->hosts[x].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->hosts[0].fd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) - { - fprintf(stderr, "cannot connect to host '%s' (%u) (error: %s)\n", ptr->hosts[x].hostname, - ptr->hosts[x].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; }