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FS-9952: Added envelope to queue sending messages, prepping for initial server transport testing

This commit is contained in:
Shane Bryldt 2017-02-10 18:14:48 +00:00 committed by Mike Jerris
parent fa6a4e7686
commit 7e2d375d76
5 changed files with 133 additions and 86 deletions
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123
libs/libblade/src/blade_connection.c
View File

@ -51,6 +51,49 @@ struct blade_connection_s {
//ks_q_t *receiving;
};
// @todo may want to make this reusable for session as it'll need to queue the same details during temporary connection loss
typedef struct blade_connection_sending_s blade_connection_sending_t;
struct blade_connection_sending_s {
ks_pool_t *pool;
blade_identity_t *target;
cJSON *json;
};
ks_status_t blade_connection_sending_create(blade_connection_sending_t **bcsP, ks_pool_t *pool, blade_identity_t *target, cJSON *json)
{
blade_connection_sending_t *bcs = NULL;
ks_assert(bcsP);
ks_assert(pool);
ks_assert(json);
bcs = ks_pool_alloc(pool, sizeof(blade_connection_sending_t));
bcs->pool = pool;
bcs->target = target;
bcs->json = json;
*bcsP = bcs;
return KS_STATUS_SUCCESS;
}
ks_status_t blade_connection_sending_destroy(blade_connection_sending_t **bcsP)
{
blade_connection_sending_t *bcs = NULL;
ks_assert(bcsP);
ks_assert(*bcsP);
bcs = *bcsP;
if (bcs->target) blade_identity_destroy(&bcs->target);
if (bcs->json) cJSON_Delete(bcs->json);
ks_pool_free(bcs->pool, bcsP);
return KS_STATUS_SUCCESS;
}
void *blade_connection_state_thread(ks_thread_t *thread, void *data);
@ -74,7 +117,8 @@ KS_DECLARE(ks_status_t) blade_connection_create(blade_connection_t **bcP,
bc->transport_init_data = transport_init_data;
bc->transport_callbacks = transport_callbacks;
ks_q_create(&bc->sending, pool, 0);
//ks_q_create(&bc->receiving, pool, 0);
ks_assert(bc->sending);
*bcP = bc;
return KS_STATUS_SUCCESS;
@ -92,7 +136,6 @@ KS_DECLARE(ks_status_t) blade_connection_destroy(blade_connection_t **bcP)
blade_connection_shutdown(bc);
ks_q_destroy(&bc->sending);
//ks_q_destroy(&bc->receiving);
ks_pool_free(bc->pool, bcP);
@ -122,6 +165,8 @@ KS_DECLARE(ks_status_t) blade_connection_startup(blade_connection_t *bc, blade_c
KS_DECLARE(ks_status_t) blade_connection_shutdown(blade_connection_t *bc)
{
blade_connection_sending_t *bcs = NULL;
ks_assert(bc);
if (bc->state_thread) {
@ -131,8 +176,7 @@ KS_DECLARE(ks_status_t) blade_connection_shutdown(blade_connection_t *bc)
bc->shutdown = KS_FALSE;
}
//while (ks_q_trypop(bc->sending, (void **)&message) == KS_STATUS_SUCCESS && message) blade_message_discard(&message);
//while (ks_q_trypop(bc->receiving, (void **)&message) == KS_STATUS_SUCCESS && message) blade_message_discard(&message);
while (ks_q_trypop(bc->sending, (void **)&bcs) == KS_STATUS_SUCCESS && bcs) blade_connection_sending_destroy(&bcs);
return KS_STATUS_SUCCESS;
}
@ -221,40 +265,40 @@ KS_DECLARE(void) blade_connection_disconnect(blade_connection_t *bc)
KS_DECLARE(ks_status_t) blade_connection_sending_push(blade_connection_t *bc, blade_identity_t *target, cJSON *json)
{
blade_connection_sending_t *bcs = NULL;
ks_assert(bc);
ks_assert(json);
// @todo need internal envelope to wrap an identity object and a json object just for the queue
blade_connection_sending_create(&bcs, bc->pool, target, json);
ks_assert(bcs);
return KS_STATUS_SUCCESS;
return ks_q_push(bc->sending, bcs);
}
KS_DECLARE(ks_status_t) blade_connection_sending_pop(blade_connection_t *bc, blade_identity_t **target, cJSON **json)
{
ks_status_t ret = KS_STATUS_SUCCESS;
blade_connection_sending_t *bcs = NULL;
ks_assert(bc);
ks_assert(json);
// @todo need internal envelope to wrap an identity object and a json object just for the queue
return KS_STATUS_SUCCESS;
ret = ks_q_trypop(bc->sending, (void **)&bcs);
if (bcs) {
if (target) *target = bcs->target;
*json = bcs->json;
bcs->target = NULL;
bcs->json = NULL;
blade_connection_sending_destroy(&bcs);
}
return ret;
}
// @todo may not need receiving queue on connection, by the time we are queueing we should have a session to receive into
//KS_DECLARE(ks_status_t) blade_connection_receiving_push(blade_connection_t *bc, cJSON *json)
//{
// ks_assert(bc);
// ks_assert(json);
// return ks_q_push(bc->receiving, json);
//}
//KS_DECLARE(ks_status_t) blade_connection_receiving_pop(blade_connection_t *bc, cJSON **json)
//{
// ks_assert(bc);
// ks_assert(json);
// return ks_q_trypop(bc->receiving, (void **)json);
//}
void *blade_connection_state_thread(ks_thread_t *thread, void *data)
{
@ -262,6 +306,7 @@ void *blade_connection_state_thread(ks_thread_t *thread, void *data)
blade_connection_state_t state;
blade_transport_state_callback_t callback = NULL;
blade_connection_state_hook_t hook = BLADE_CONNECTION_STATE_HOOK_SUCCESS;
blade_identity_t *target = NULL;
cJSON *json = NULL;
ks_assert(thread);
@ -270,22 +315,28 @@ void *blade_connection_state_thread(ks_thread_t *thread, void *data)
bc = (blade_connection_t *)data;
while (!bc->shutdown) {
// @todo pop from connection sending queue and call transport callback to write one message (passing target identity too)
// and delete the cJSON object here after returning from callback
// @todo seems like connection will not need a receiving queue as the session will exist prior to async transmissions
state = bc->state;
hook = BLADE_CONNECTION_STATE_HOOK_SUCCESS;
callback = blade_connection_state_callback_lookup(bc, state);
// @todo should this just go in the ready state callback? it's generalized here, so the callback for READY doesn't really
// need to do anything
if (state == BLADE_CONNECTION_STATE_READY && bc->transport_callbacks->onreceive(bc, &json) == KS_STATUS_SUCCESS && json) {
// @todo push json to session receiving queue
while (blade_connection_sending_pop(bc, &target, &json) == KS_STATUS_SUCCESS && json) {
if (bc->transport_callbacks->onsend(bc, target, json) != KS_STATUS_SUCCESS) {
blade_connection_disconnect(bc);
break;
}
}
if (state == BLADE_CONNECTION_STATE_READY) {
do {
if (bc->transport_callbacks->onreceive(bc, &json) != KS_STATUS_SUCCESS) {
blade_connection_disconnect(bc);
break;
}
if (json) {
// @todo push json to session receiving queue
}
} while (json) ;
}
if (callback) hook = callback(bc, BLADE_CONNECTION_STATE_CONDITION_POST);

3
libs/libblade/src/blade_identity.c
View File

@ -75,6 +75,9 @@ KS_DECLARE(ks_status_t) blade_identity_parse(blade_identity_t *bi, const char *u
ks_assert(uri);
if (bi->uri) ks_pool_free(bi->pool, &bi->uri);
bi->uri = ks_pstrdup(bi->pool, uri);
// @todo parse into components
return KS_STATUS_SUCCESS;
}

34
libs/libblade/src/blade_module_wss.c
View File

@ -342,6 +342,8 @@ ks_status_t blade_module_wss_on_startup(blade_module_t *bm, config_setting_t *co
bm_wss = (blade_module_wss_t *)blade_module_data_get(bm);
// @todo register wss transport to the blade_handle_t
if (blade_module_wss_config(bm_wss, config) != KS_STATUS_SUCCESS) {
ks_log(KS_LOG_DEBUG, "blade_module_wss_config failed\n");
return KS_STATUS_FAIL;
@ -381,6 +383,8 @@ ks_status_t blade_module_wss_on_shutdown(blade_module_t *bm)
bm_wss = (blade_module_wss_t *)blade_module_data_get(bm);
// @todo unregister wss transport from the blade_handle_t
if (bm_wss->listeners_thread) {
bm_wss->shutdown = KS_TRUE;
ks_thread_join(bm_wss->listeners_thread);
@ -396,6 +400,9 @@ ks_status_t blade_module_wss_on_shutdown(blade_module_t *bm)
bm_wss->listeners_count = 0;
if (bm_wss->listeners_poll) ks_pool_free(bm_wss->pool, &bm_wss->listeners_poll);
// @todo connections should be gracefully disconnected so that they detach from sessions properly
// which means this should occur before the listeners thread is terminated, which requires that
// the listener sockets be made inactive (or closed) to stop accepting while shutting down
while (ks_q_trypop(bm_wss->disconnected, (void **)&bc) == KS_STATUS_SUCCESS) ;
list_iterator_start(&bm_wss->connected);
while (list_iterator_hasnext(&bm_wss->connected)) {
@ -581,22 +588,30 @@ blade_connection_rank_t blade_transport_wss_on_rank(blade_connection_t *bc, blad
ks_status_t blade_transport_wss_write(blade_transport_wss_t *bt_wss, cJSON *json)
{
ks_status_t ret = KS_STATUS_SUCCESS;
char *json_str = cJSON_PrintUnformatted(json);
ks_size_t json_str_len = 0;
if (!json_str) {
// @todo error logging
return KS_STATUS_FAIL;
ret = KS_STATUS_FAIL;
goto done;
}
json_str_len = strlen(json_str) + 1; // @todo determine if WSOC_TEXT null terminates when read_frame is called, or if it's safe to include like this
kws_write_frame(bt_wss->kws, WSOC_TEXT, json_str, json_str_len);
if (kws_write_frame(bt_wss->kws, WSOC_TEXT, json_str, json_str_len) != json_str_len) {
// @todo error logging
ret = KS_STATUS_FAIL;
goto done;
}
free(json_str);
done:
if (json_str) free(json_str);
return KS_STATUS_SUCCESS;
return ret;
}
ks_status_t blade_transport_wss_on_send(blade_connection_t *bc, blade_identity_t *target, cJSON *json)
{
ks_status_t ret = KS_STATUS_SUCCESS;
blade_transport_wss_t *bt_wss = NULL;
ks_assert(bc);
@ -606,7 +621,13 @@ ks_status_t blade_transport_wss_on_send(blade_connection_t *bc, blade_identity_t
bt_wss = (blade_transport_wss_t *)blade_connection_transport_get(bc);
return blade_transport_wss_write(bt_wss, json);
ret = blade_transport_wss_write(bt_wss, json);
// @todo use reference counting on blade_identity_t and cJSON objects
if (target) blade_identity_destroy(&target);
cJSON_Delete(json);
return ret;
}
ks_status_t blade_transport_wss_read(blade_transport_wss_t *bt_wss, cJSON **json)
@ -743,7 +764,8 @@ blade_connection_state_hook_t blade_transport_wss_on_state_attach_inbound(blade_
// @todo Establish sessid and discover existing session or create and register new session through BLADE commands
// Set session state to CONNECT if its new or RECONNECT if existing
// start session and its thread if its new
ks_sleep_ms(1000); // @todo temporary testing, remove this and return success once negotiations are done
return BLADE_CONNECTION_STATE_HOOK_BYPASS;
}

13
libs/libblade/test/bladec.c
View File

@ -16,7 +16,6 @@ char g_console_input[CONSOLE_INPUT_MAX];
size_t g_console_input_length = 0;
size_t g_console_input_eol = 0;
void service_peer_state_callback(blade_service_t *service, blade_peer_t *peer, blade_peerstate_t state);
void loop(blade_handle_t *bh);
void process_console_input(blade_handle_t *bh, char *line);
@ -71,11 +70,13 @@ int main(int argc, char **argv)
return EXIT_FAILURE;
}
if (blade_handle_startup(bh, config_blade, service_peer_state_callback) != KS_STATUS_SUCCESS) {
if (blade_handle_startup(bh, config_blade) != KS_STATUS_SUCCESS) {
ks_log(KS_LOG_ERROR, "Blade startup failed\n");
return EXIT_FAILURE;
}
// @todo get to wss module callbacks, call onload to kick off registration
loop(bh);
blade_handle_destroy(&bh);
@ -85,12 +86,8 @@ int main(int argc, char **argv)
return 0;
}
void service_peer_state_callback(blade_service_t *service, blade_peer_t *peer, blade_peerstate_t state)
{
// @todo log output and pop peer messages if state == BLADE_PEERSTATE_RECEIVING
ks_log(KS_LOG_INFO, "service peer state callback: %d\n", (int)state);
}
void buffer_console_input(void)
{
ssize_t bytes = 0;

46
libs/libblade/test/bladec.cfg
View File

@ -1,28 +1,5 @@
blade:
{
# client stuff, for peers who connect out to services
client:
{
directory:
{
# todo: hints for ways to find a directory service, at least kws client_data for now
# add DNS SRV in the future
uri = "???:127.0.0.1+2100:???"; # todo: confirm expected format, "uri:host:proto"
websocket:
{
# SSL group is optional, disabled when absent
ssl:
{
# todo: client SSL stuffs here
};
};
};
};
# server stuff, for services that peers connect to
# todo: consider encapsulating in a "server" group for organizational structure
datastore:
{
database:
@ -30,21 +7,18 @@ blade:
path = ":mem:";
};
};
service:
wss:
{
websockets:
endpoints:
{
endpoints:
{
ipv4 = ( { address = "0.0.0.0", port = 2100 } );
ipv6 = ( { address = "::", port = 2100 } );
backlog = 128;
};
# SSL group is optional, disabled when absent
ssl:
{
# todo: service SSL stuffs here
};
ipv4 = ( { address = "0.0.0.0", port = 2100 } );
ipv6 = ( { address = "::", port = 2100 } );
backlog = 128;
};
# SSL group is optional, disabled when absent
ssl:
{
# todo: server SSL stuffs here
};
};
};