SilcServerPending silc_server_command_pending(SilcServerThread thread,
SilcUInt16 cmd_ident)
{
SilcServerPending pending;
silc_mutex_lock(thread->server->lock);
/* Check if pending already */
if (silc_hash_table_find(thread->server->pending_commands,
SILC_32_TO_PTR(cmd_ident), NULL,
(void **)&pending)) {
pending->refcnt++;
silc_mutex_unlock(thread->server->lock);
return pending;
}
pending = silc_calloc(1, sizeof(*pending));
if (!pending) {
silc_mutex_unlock(thread->server->lock);
return NULL;
}
silc_fsm_event_init(&pending->wait_reply, &thread->fsm, 0);
pending->refcnt = 1;
pending->cmd_ident = cmd_ident;
/* Add to pending commands hash table */
if (!silc_hash_table_add(thread->server->pending_commands,
SILC_32_TO_PTR(cmd_ident), pending)) {
silc_mutex_unlock(thread->server->lock);
silc_free(pending);
return NULL;
}
silc_mutex_unlock(thread->server->lock);
return pending;
}
SilcBool silc_client_init(SilcClient client, const char *username,
const char *hostname, const char *realname,
SilcClientRunning running, void *context)
{
SILC_LOG_DEBUG(("Initializing client"));
if (!client)
return FALSE;
if (!username || !hostname) {
SILC_LOG_ERROR(("Username and hostname must be given to "
"silc_client_init"));
return FALSE;
}
if (!realname)
realname = username;
/* Validate essential strings */
if (!silc_identifier_verify(username, strlen(username),
SILC_STRING_UTF8, 128)) {
SILC_LOG_ERROR(("Malformed username '%s'. Username must be UTF-8 string",
client->username));
return FALSE;
}
if (!silc_identifier_verify(hostname, strlen(hostname),
SILC_STRING_UTF8, 256)) {
SILC_LOG_ERROR(("Malformed hostname '%s'. Hostname must be UTF-8 string",
client->hostname));
return FALSE;
}
if (!silc_utf8_valid(realname, strlen(realname))) {
SILC_LOG_ERROR(("Malformed realname '%s'. Realname must be UTF-8 string",
client->realname));
return FALSE;
}
/* Take the name strings */
client->username = strdup(username);
client->hostname = strdup(hostname);
client->realname = strdup(realname);
if (!username || !hostname || !realname)
return FALSE;
client->internal->ftp_sessions = silc_dlist_init();
if (!client->internal->ftp_sessions)
return FALSE;
if (!client->internal->params->dont_register_crypto_library) {
/* Initialize the crypto library. If application has done this already
this has no effect. Also, we will not be overriding something
application might have registered earlier. */
silc_cipher_register_default();
silc_pkcs_register_default();
silc_hash_register_default();
silc_hmac_register_default();
}
/* Initialize random number generator */
client->rng = silc_rng_alloc();
if (!client->rng)
return FALSE;
silc_rng_init(client->rng);
silc_rng_global_init(client->rng);
/* Initialize the scheduler */
client->schedule = silc_schedule_init(0, client);
if (!client->schedule)
return FALSE;
/* Allocate client lock */
silc_mutex_alloc(&client->internal->lock);
/* Register commands */
silc_client_commands_register(client);
/* Start packet engine */
client->internal->packet_engine =
silc_packet_engine_start(client->rng, FALSE, &silc_client_stream_cbs,
client);
if (!client->internal->packet_engine)
return FALSE;
/* Initialize and start the client FSM */
client->internal->running = running;
client->internal->running_context = context;
silc_fsm_init(&client->internal->fsm, client, NULL, NULL, client->schedule);
silc_fsm_event_init(&client->internal->wait_event, &client->internal->fsm);
silc_fsm_start_sync(&client->internal->fsm, silc_client_st_run);
/* Signal the application when we are running */
client->internal->run_callback = TRUE;
SILC_FSM_EVENT_SIGNAL(&client->internal->wait_event);
return TRUE;
}