1 #ifndef MEMCACHE_SERVER_H

     2 #define MEMCACHE_SERVER_H

     3 

     4 #include <sys/queue.h>

     5 

     6 #include "../memcache.h"

     7 #include "../config.h"

     8 

     9 struct memcache_server {

    10     struct config_endpoint *endpoint;

    11     

    12     // we are a member of struct memcache.server_list

    13     LIST_ENTRY(memcache_server) serverlist_node;

    14 

    15     // a list of connections for this server

    16     LIST_HEAD(memcache_connlist_head, memcache_conn) conn_list;

    17 

    18     // a list of enqueued requests waiting for a connection

    19     TAILQ_HEAD(memcache_reqqueue_head, memcache_req) req_queue;

    20 

    21     // how many connections we should have at most

    22     int max_connections;

    23 };

    24 

    25 /*

    26  * Alloc and return a new memcache_server

    27  */

    28 struct memcache_server *memcache_server_alloc (struct config_endpoint *endpoint, int max_connections);

    29 

    30 /*

    31  * Attempt to grow the connection pool by one connection. Doesn't do anything if we already have too many connections,

    32  * otherwise the new connection will be opened and added to the conn_list.

    33  */

    34 int memcache_server_grow_connpool (struct memcache_server *server);

    35 

    36 /*

    37  * Process the given request on this server.

    38  */

    39 int memcache_server_add_req (struct memcache_server *server, struct memcache_req *req);

    40 

    41 /*

    42  * The given connection is ready for use

    43  */

    44 void memcache_server_conn_ready (struct memcache_server *server, struct memcache_conn *conn);

    45 

    46 #endif /* MEMCACHE_SERVER_H */