/* Suggest a server for the initial field of the connection.
Return NO_SERVER if none available.
*/
int initial_server(int conn)
{
int pd = match_acl(client_acl, &clients[conns[conn].client].addr);
if (!pd) {
DEBUG(1, "initial_server: denied by acl");
return abuse_server;
}
if (!(server_alg & ALG_ROUNDROBIN)) {
// Load balancing with memory == No roundrobin
int server = clients[conns[conn].client].server;
/* server may be NO_SERVER if this is a new client */
if (server != NO_SERVER && server != emerg_server && server != abuse_server) {
return server;
}
}
if (server_alg & ALG_PRIO) return server_by_prio();
if (server_alg & ALG_WEIGHT) return server_by_weight();
if (server_alg & ALG_HASH) return pen_hash(&clients[conns[conn].client].addr);
return server_by_roundrobin();
}
/* Suggest a server for the initial field of the connection.
Return NO_SERVER if none available.
*/
int initial_server(int conn)
{
int pd = match_acl(client_acl, &clients[conns[conn].client].addr);
if (!pd) {
DEBUG(1, "initial_server: denied by acl");
return abuse_server;
/* returning abuse_server is correct even if it is not set
because it defaults to NO_SERVER */
}
if (!(server_alg & ALG_ROUNDROBIN)) {
// Load balancing with memory == No roundrobin
int server = clients[conns[conn].client].server;
/* server may be NO_SERVER if this is a new client */
if (server != NO_SERVER && server != emerg_server && server != abuse_server) {
DEBUG(2, "Will try previous server %d for client %d", server, conns[conn].client);
return server;
}
}
if (server_alg & ALG_PRIO) return server_by_prio();
if (server_alg & ALG_WEIGHT) return server_by_weight();
if (server_alg & ALG_HASH) return pen_hash(&clients[conns[conn].client].addr);
return server_by_roundrobin();
}