#include <memcached.h>
+memcached_return memcached_server_add(memcached_st *ptr, char *hostname, unsigned int port)
+{
+ if (!port)
+ port= MEMCACHED_DEFAULT_PORT;
+
+ if (!hostname)
+ hostname= "localhost";
+
+
+ ptr->hosts= (memcached_host_st *)realloc(ptr->hosts, sizeof(memcached_host_st) * (size_t)ptr->number_of_hosts);
+ ptr->hosts[ptr->number_of_hosts].hostname=
+ (char *)malloc(sizeof(char) * strlen(hostname));
+ memcpy(ptr->hosts[ptr->number_of_hosts].hostname, hostname, strlen(hostname));
+ ptr->hosts[ptr->number_of_hosts].port= port;
+ ptr->hosts[ptr->number_of_hosts].fd= -1;
+ ptr->number_of_hosts++;
+
+ return MEMCACHED_SUCCESS;
+}
+
memcached_return memcached_connect(memcached_st *ptr)
{
- int rc;
+ unsigned int x;
struct sockaddr_in localAddr, servAddr;
struct hostent *h;
- char *server_name= "localhost";
+ memcached_host_st *host_ptr;
if (ptr->connected)
return MEMCACHED_SUCCESS;
-
- if ((h= gethostbyname(server_name)) == NULL)
+ if (!ptr->hosts)
{
- fprintf(stderr, "unknown host '%s'\n", server_name);
- return MEMCACHED_HOST_LOCKUP_FAILURE;
+ memcached_return rc;
+ rc= memcached_server_add(ptr, NULL, 0);
+
+ if (rc != MEMCACHED_SUCCESS)
+ return rc;
}
- 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(MEMCACHED_DEFAULT_PORT);
- /* Create the socket */
- if ((ptr->fd= socket(AF_INET, SOCK_STREAM, 0)) < 0)
+ for (x= 0; x < ptr->number_of_hosts; x++)
{
- fprintf(stderr, "cannot open socket");
- return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE;
- }
+ if ((h= gethostbyname(ptr->hosts[x].hostname)) == NULL)
+ {
+ fprintf(stderr, "unknown host '%s'\n", ptr->hosts[x].hostname);
+ 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);
- /* bind any port number */
- localAddr.sin_family = AF_INET;
- localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
- localAddr.sin_port = htons(0);
+ /* 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;
+ }
- if (bind(ptr->fd, (struct sockaddr *) &localAddr, sizeof(localAddr)) < 0)
- {
- fprintf(stderr, "cannot bind port TCP %u\n", MEMCACHED_DEFAULT_PORT);
- 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'\n", server_name);
- return MEMCACHED_HOST_LOCKUP_FAILURE;
+ /* 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);
+ }
+
+ /* 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;
+ }
}
ptr->connected= 1;