void protocol_start_session(DbXmlSessionData *session) {
int r;
DbXmlCredentials cred;
DbXmlSessionOptions options;
DbXmlSessionOptions *options_set;
memset(&cred, 0, sizeof(DbXmlCredentials));
memset(&options, 0, sizeof(DbXmlSessionOptions));
if (initial_handshake(session) != 0)
return;
r = receive_credentials(session, &cred);
if (r == 0)
r = check_authentication(session, &cred);
free_credentials(session, &cred);
r = receive_session_options(session, &options);
int init = -1;
options_set = NULL;
if (r == 0)
init = r = initialize_session(session, &options, &options_set);
session_response(session, r);
if (r != 0)
return;
if (r == 0)
r = send_session_options(session, options_set);
free_session_options(session, &options);
if (r == 0)
protocol_request_response(session);
if (init == 0)
free_session(session);
}
/* ==================== session_handle_write() ==================== */
int session_handle_write(session_t *session, message_t *request)
{
msgidx_t msgidx;
/** ----------------------------------------
* Parse request
* ---------------------------------------- */
if ( parse_write_request(session, request, &msgidx) != 0 ){
error_log("parse_write_request() failed. key:%s", msgidx.key);
return -1;
}
/** ----------------------------------------
* Write cache
* ---------------------------------------- */
object_t *object = session_write_to_cache(session, &msgidx);
if ( object == NULL ) {
error_log("session_write_block() failed.");
return -1;
}
/** ----------------------------------------
* Write to kvdb..
* ---------------------------------------- */
if ( session->total_writed >= msgidx.object_size ){
session_write_to_kvdb(session, object, &msgidx);
/** ----------------------------------------
* Response to client
* ---------------------------------------- */
session_response(session, RESULT_SUCCESS);
/*pthread_yield();*/
sched_yield();
}
return 0;
}
/* ==================== server_handle_write() ==================== */
int server_handle_write(session_t *session, message_t *request)
{
int ret = 0;
msgidx_t msgidx;
msgidx_init(&msgidx);
/** ----------------------------------------
* Parse request
* ---------------------------------------- */
if ( parse_write_request(session, request, &msgidx) != 0 ){
error_log("parse_write_request() failed. key:%s", msgidx.key);
ret = -1;
} else {
if ( session->total_writed == 0 ){
__sync_add_and_fetch(&session->running_tasks, 1);
}
/** ----------------------------------------
* Write cache
* ---------------------------------------- */
object_t *object = server_write_to_cache(session, &msgidx);
if ( object == NULL ) {
error_log("session_write_to_cache() failed.");
__sync_add_and_fetch(&session->finished_works, 1);
session->total_writed = 0;
ret = -1;
} else {
/** ----------------------------------------
* Write to storage & Response to client.
* ---------------------------------------- */
if ( session->total_writed >= msgidx.object_size ){
/* FIXME 2014-10-23 15:49:37 */
/*vnode_t *vnode = get_vnode_by_key(SERVER(session), &object->key_md5);*/
/*vnode_enqueue_write_queue(vnode, session, object);*/
server_write_to_storage(SERVER(session), object);
session_response(session, RESULT_SUCCESS);
__sync_add_and_fetch(&session->finished_works, 1);
__sync_sub_and_fetch(&session->running_tasks, 1);
/*message_t *response = alloc_response_message(RESULT_SUCCESS);*/
/*listAddNodeTail(session->responseQueue, response);*/
session->total_writed = 0;
/* FIXME */
/*vnode_write_queue_entry_t *entry = (vnode_write_queue_entry_t*)zmalloc(sizeof(vnode_write_queue_entry_t));*/
/*memset(entry, 0, sizeof(vnode_write_queue_entry_t));*/
/*entry->session = session;*/
/*entry->object = object;*/
/*enqueue_work(vnode->write_queue, entry);*/
/*pthread_yield();*/
/*sched_yield();*/
}
}
}
return ret;
}
