mirror of
https://github.com/signalwire/freeswitch.git
synced 2026-07-13 15:51:50 +00:00
Shane Bryldt
1425 lines
49 KiB
C
1425 lines
49 KiB
C
/*
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* Copyright (c) 2007-2014, Anthony Minessale II
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of the original author; nor the names of any contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "blade.h"
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struct blade_handle_s {
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ks_pool_t *pool;
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ks_thread_pool_t *tpool;
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blade_transportmgr_t *transportmgr;
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blade_rpcmgr_t *rpcmgr;
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blade_routemgr_t *routemgr;
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blade_subscriptionmgr_t *subscriptionmgr;
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blade_upstreammgr_t *upstreammgr;
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blade_mastermgr_t *mastermgr;
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blade_connectionmgr_t *connectionmgr;
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blade_sessionmgr_t *sessionmgr;
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};
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ks_bool_t blade_rpcregister_request_handler(blade_rpc_request_t *brpcreq, void *data);
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ks_bool_t blade_rpcpublish_request_handler(blade_rpc_request_t *brpcreq, void *data);
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ks_bool_t blade_rpclocate_request_handler(blade_rpc_request_t *brpcreq, void *data);
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ks_bool_t blade_rpcexecute_request_handler(blade_rpc_request_t *brpcreq, void *data);
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ks_bool_t blade_rpcsubscribe_request_handler(blade_rpc_request_t *brpcreq, void *data);
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ks_bool_t blade_rpcbroadcast_request_handler(blade_rpc_request_t *brpcreq, void *data);
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static void blade_handle_cleanup(ks_pool_t *pool, void *ptr, void *arg, ks_pool_cleanup_action_t action, ks_pool_cleanup_type_t type)
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{
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blade_handle_t *bh = (blade_handle_t *)ptr;
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ks_assert(bh);
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switch (action) {
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case KS_MPCL_ANNOUNCE:
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break;
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case KS_MPCL_TEARDOWN:
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blade_transportmgr_destroy(&bh->transportmgr);
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blade_rpcmgr_destroy(&bh->rpcmgr);
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blade_routemgr_destroy(&bh->routemgr);
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blade_subscriptionmgr_destroy(&bh->subscriptionmgr);
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blade_upstreammgr_destroy(&bh->upstreammgr);
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blade_mastermgr_destroy(&bh->mastermgr);
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blade_connectionmgr_destroy(&bh->connectionmgr);
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blade_sessionmgr_destroy(&bh->sessionmgr);
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ks_thread_pool_destroy(&bh->tpool);
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break;
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case KS_MPCL_DESTROY:
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break;
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}
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}
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KS_DECLARE(ks_status_t) blade_handle_create(blade_handle_t **bhP)
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{
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blade_handle_t *bh = NULL;
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ks_pool_t *pool = NULL;
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ks_thread_pool_t *tpool = NULL;
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ks_assert(bhP);
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ks_pool_open(&pool);
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ks_assert(pool);
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ks_thread_pool_create(&tpool, BLADE_HANDLE_TPOOL_MIN, BLADE_HANDLE_TPOOL_MAX, BLADE_HANDLE_TPOOL_STACK, KS_PRI_NORMAL, BLADE_HANDLE_TPOOL_IDLE);
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ks_assert(tpool);
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bh = ks_pool_alloc(pool, sizeof(blade_handle_t));
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bh->pool = pool;
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bh->tpool = tpool;
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blade_transportmgr_create(&bh->transportmgr, bh);
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ks_assert(bh->transportmgr);
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blade_rpcmgr_create(&bh->rpcmgr, bh);
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ks_assert(bh->rpcmgr);
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blade_routemgr_create(&bh->routemgr, bh);
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ks_assert(bh->routemgr);
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blade_subscriptionmgr_create(&bh->subscriptionmgr, bh);
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ks_assert(bh->subscriptionmgr);
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blade_upstreammgr_create(&bh->upstreammgr, bh);
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ks_assert(bh->upstreammgr);
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blade_mastermgr_create(&bh->mastermgr, bh);
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ks_assert(bh->mastermgr);
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blade_connectionmgr_create(&bh->connectionmgr, bh);
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ks_assert(bh->connectionmgr);
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blade_sessionmgr_create(&bh->sessionmgr, bh);
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ks_assert(bh->sessionmgr);
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ks_pool_set_cleanup(pool, bh, NULL, blade_handle_cleanup);
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*bhP = bh;
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ks_log(KS_LOG_DEBUG, "Created\n");
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return KS_STATUS_SUCCESS;
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}
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KS_DECLARE(ks_status_t) blade_handle_destroy(blade_handle_t **bhP)
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{
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blade_handle_t *bh = NULL;
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ks_pool_t *pool;
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ks_assert(bhP);
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bh = *bhP;
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*bhP = NULL;
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ks_assert(bh);
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pool = bh->pool;
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// shutdown cannot happen inside of the cleanup callback because it'll lock a mutex for the pool during cleanup callbacks which connections and sessions need to finish their cleanup
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// and more importantly, memory needs to remain intact until shutdown is completed to avoid various things hitting teardown before shutdown runs
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blade_handle_shutdown(bh);
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ks_pool_close(&pool);
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return KS_STATUS_SUCCESS;
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}
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ks_status_t blade_handle_config(blade_handle_t *bh, config_setting_t *config)
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{
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config_setting_t *master = NULL;
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config_setting_t *master_nodeid = NULL;
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config_setting_t *master_realms = NULL;
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const char *nodeid = NULL;
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int32_t realms_length = 0;
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ks_assert(bh);
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if (!config) return KS_STATUS_FAIL;
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if (!config_setting_is_group(config)) {
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ks_log(KS_LOG_DEBUG, "!config_setting_is_group(config)\n");
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return KS_STATUS_FAIL;
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}
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master = config_setting_get_member(config, "master");
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if (master) {
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master_nodeid = config_lookup_from(master, "nodeid");
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if (master_nodeid) {
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if (config_setting_type(master_nodeid) != CONFIG_TYPE_STRING) return KS_STATUS_FAIL;
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nodeid = config_setting_get_string(master_nodeid);
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blade_upstreammgr_localid_set(bh->upstreammgr, nodeid);
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blade_upstreammgr_masterid_set(bh->upstreammgr, nodeid);
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}
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master_realms = config_lookup_from(master, "realms");
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if (master_realms) {
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if (config_setting_type(master_realms) != CONFIG_TYPE_LIST) return KS_STATUS_FAIL;
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realms_length = config_setting_length(master_realms);
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if (realms_length > 0) {
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for (int32_t index = 0; index < realms_length; ++index) {
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const char *realm = config_setting_get_string_elem(master_realms, index);
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if (!realm) return KS_STATUS_FAIL;
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blade_upstreammgr_realm_add(bh->upstreammgr, realm);
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}
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}
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}
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}
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return KS_STATUS_SUCCESS;
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}
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KS_DECLARE(ks_status_t) blade_handle_startup(blade_handle_t *bh, config_setting_t *config)
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{
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blade_rpc_t *brpc = NULL;
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blade_transport_t *bt = NULL;
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ks_assert(bh);
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if (blade_handle_config(bh, config) != KS_STATUS_SUCCESS) {
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ks_log(KS_LOG_DEBUG, "blade_handle_config failed\n");
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return KS_STATUS_FAIL;
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}
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// register internal transport for secure websockets
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blade_transport_wss_create(&bt, bh);
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ks_assert(bt);
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blade_transportmgr_default_set(bh->transportmgr, bt);
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blade_transportmgr_transport_add(bh->transportmgr, bt);
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// register internal core rpcs for blade.xxx
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blade_rpc_create(&brpc, bh, "blade.register", NULL, NULL, blade_rpcregister_request_handler, NULL);
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blade_rpcmgr_corerpc_add(bh->rpcmgr, brpc);
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blade_rpc_create(&brpc, bh, "blade.publish", NULL, NULL, blade_rpcpublish_request_handler, NULL);
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blade_rpcmgr_corerpc_add(bh->rpcmgr, brpc);
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blade_rpc_create(&brpc, bh, "blade.locate", NULL, NULL, blade_rpclocate_request_handler, NULL);
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blade_rpcmgr_corerpc_add(bh->rpcmgr, brpc);
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blade_rpc_create(&brpc, bh, "blade.execute", NULL, NULL, blade_rpcexecute_request_handler, NULL);
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blade_rpcmgr_corerpc_add(bh->rpcmgr, brpc);
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blade_rpc_create(&brpc, bh, "blade.subscribe", NULL, NULL, blade_rpcsubscribe_request_handler, NULL);
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blade_rpcmgr_corerpc_add(bh->rpcmgr, brpc);
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blade_rpc_create(&brpc, bh, "blade.broadcast", NULL, NULL, blade_rpcbroadcast_request_handler, NULL);
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blade_rpcmgr_corerpc_add(bh->rpcmgr, brpc);
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blade_transportmgr_startup(bh->transportmgr, config);
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return KS_STATUS_SUCCESS;
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}
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KS_DECLARE(ks_status_t) blade_handle_shutdown(blade_handle_t *bh)
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{
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ks_assert(bh);
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blade_transportmgr_shutdown(bh->transportmgr);
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blade_connectionmgr_shutdown(bh->connectionmgr);
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blade_sessionmgr_shutdown(bh->sessionmgr);
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return KS_STATUS_SUCCESS;
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}
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KS_DECLARE(ks_pool_t *) blade_handle_pool_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->pool;
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}
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KS_DECLARE(ks_thread_pool_t *) blade_handle_tpool_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->tpool;
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}
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KS_DECLARE(blade_transportmgr_t *) blade_handle_transportmgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->transportmgr;
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}
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KS_DECLARE(blade_rpcmgr_t *) blade_handle_rpcmgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->rpcmgr;
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}
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KS_DECLARE(blade_routemgr_t *) blade_handle_routemgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->routemgr;
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}
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KS_DECLARE(blade_subscriptionmgr_t *) blade_handle_subscriptionmgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->subscriptionmgr;
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}
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KS_DECLARE(blade_upstreammgr_t *) blade_handle_upstreammgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->upstreammgr;
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}
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KS_DECLARE(blade_mastermgr_t *) blade_handle_mastermgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->mastermgr;
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}
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KS_DECLARE(blade_connectionmgr_t *) blade_handle_connectionmgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->connectionmgr;
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}
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KS_DECLARE(blade_sessionmgr_t *) blade_handle_sessionmgr_get(blade_handle_t *bh)
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{
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ks_assert(bh);
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return bh->sessionmgr;
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}
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KS_DECLARE(ks_status_t) blade_handle_connect(blade_handle_t *bh, blade_connection_t **bcP, blade_identity_t *target, const char *session_id)
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{
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ks_status_t ret = KS_STATUS_SUCCESS;
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blade_transport_t *bt = NULL;
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blade_transport_callbacks_t *callbacks = NULL;
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ks_assert(bh);
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ks_assert(target);
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// @todo mini state machine to deal with upstream establishment to avoid attempting multiple upstream connects at the same time
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if (blade_upstreammgr_session_established(bh->upstreammgr)) return KS_STATUS_DUPLICATE_OPERATION;
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bt = blade_transportmgr_transport_lookup(bh->transportmgr, blade_identity_parameter_get(target, "transport"), KS_TRUE);
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ks_assert(bt);
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callbacks = blade_transport_callbacks_get(bt);
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ks_assert(callbacks);
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if (callbacks->onconnect) ret = callbacks->onconnect(bcP, bt, target, session_id);
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return ret;
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}
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// BLADE PROTOCOL HANDLERS
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// @todo revisit all error sending. JSONRPC "error" should only be used for json parsing errors, change the rest to internal errors for each of the corerpcs
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// @todo all higher level errors should be handled by each of the calls internally so that a normal result response can be sent with an error block inside the result
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// which is important for implementation of blade.execute where errors can be relayed back to the requester properly
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// blade.register request generator
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KS_DECLARE(ks_status_t) blade_handle_rpcregister(blade_handle_t *bh, const char *nodeid, ks_bool_t remove, blade_rpc_response_callback_t callback, void *data)
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{
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ks_status_t ret = KS_STATUS_SUCCESS;
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blade_session_t *bs = NULL;
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ks_pool_t *pool = NULL;
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cJSON *req = NULL;
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cJSON *req_params = NULL;
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ks_assert(bh);
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ks_assert(nodeid);
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if (!(bs = blade_upstreammgr_session_get(bh->upstreammgr))) {
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ret = KS_STATUS_DISCONNECTED;
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goto done;
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}
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pool = blade_handle_pool_get(bh);
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ks_assert(pool);
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blade_rpc_request_raw_create(pool, &req, &req_params, NULL, "blade.register");
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// fill in the req_params
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cJSON_AddStringToObject(req_params, "nodeid", nodeid);
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if (remove) cJSON_AddTrueToObject(req_params, "remove");
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ks_log(KS_LOG_DEBUG, "Session (%s) register request (%s %s) started\n", blade_session_id_get(bs), remove ? "removing" : "adding", nodeid);
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ret = blade_session_send(bs, req, callback, data);
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done:
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if (req) cJSON_Delete(req);
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if (bs) blade_session_read_unlock(bs);
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return ret;
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}
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// blade.register request handler
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ks_bool_t blade_rpcregister_request_handler(blade_rpc_request_t *brpcreq, void *data)
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{
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blade_handle_t *bh = NULL;
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blade_session_t *bs = NULL;
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cJSON *req = NULL;
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cJSON *req_params = NULL;
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const char *req_params_nodeid = NULL;
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cJSON *req_params_remove = NULL;
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ks_bool_t remove = KS_FALSE;
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cJSON *res = NULL;
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cJSON *res_result = NULL;
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ks_assert(brpcreq);
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bh = blade_rpc_request_handle_get(brpcreq);
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ks_assert(bh);
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bs = blade_sessionmgr_session_lookup(bh->sessionmgr, blade_rpc_request_sessionid_get(brpcreq));
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ks_assert(bs);
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req = blade_rpc_request_message_get(brpcreq);
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ks_assert(req);
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req_params = cJSON_GetObjectItem(req, "params");
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if (!req_params) {
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ks_log(KS_LOG_DEBUG, "Session (%s) register request missing 'params' object\n", blade_session_id_get(bs));
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blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params object");
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blade_session_send(bs, res, NULL, NULL);
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goto done;
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}
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req_params_nodeid = cJSON_GetObjectCstr(req_params, "nodeid");
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if (!req_params_nodeid) {
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ks_log(KS_LOG_DEBUG, "Session (%s) register request missing 'nodeid'\n", blade_session_id_get(bs));
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blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params nodeid");
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blade_session_send(bs, res, NULL, NULL);
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goto done;
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}
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req_params_remove = cJSON_GetObjectItem(req_params, "remove");
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remove = req_params_remove && req_params_remove->type == cJSON_True;
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ks_log(KS_LOG_DEBUG, "Session (%s) register request (%s %s) processing\n", blade_session_id_get(bs), remove ? "removing" : "adding", req_params_nodeid);
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if (remove) {
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blade_session_route_remove(bs, req_params_nodeid);
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blade_routemgr_route_remove(blade_handle_routemgr_get(bh), req_params_nodeid);
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} else {
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blade_session_route_add(bs, req_params_nodeid);
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blade_routemgr_route_add(blade_handle_routemgr_get(bh), req_params_nodeid, blade_session_id_get(bs));
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}
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blade_rpc_response_raw_create(&res, &res_result, blade_rpc_request_messageid_get(brpcreq));
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blade_session_send(bs, res, NULL, NULL);
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done:
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if (res) cJSON_Delete(res);
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if (bs) blade_session_read_unlock(bs);
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return KS_FALSE;
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}
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|
|
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// blade.publish request generator
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KS_DECLARE(ks_status_t) blade_handle_rpcpublish(blade_handle_t *bh, const char *name, const char *realm, blade_rpc_response_callback_t callback, void *data)
|
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{
|
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ks_status_t ret = KS_STATUS_SUCCESS;
|
|
blade_session_t *bs = NULL;
|
|
ks_pool_t *pool = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *id = NULL;
|
|
|
|
ks_assert(bh);
|
|
ks_assert(name);
|
|
ks_assert(realm);
|
|
|
|
// @todo consideration for the Master trying to publish a protocol, with no upstream
|
|
if (!(bs = blade_upstreammgr_session_get(bh->upstreammgr))) {
|
|
ret = KS_STATUS_DISCONNECTED;
|
|
goto done;
|
|
}
|
|
|
|
pool = blade_handle_pool_get(bh);
|
|
ks_assert(pool);
|
|
|
|
blade_rpc_request_raw_create(pool, &req, &req_params, NULL, "blade.publish");
|
|
|
|
// fill in the req_params
|
|
cJSON_AddStringToObject(req_params, "protocol", name);
|
|
cJSON_AddStringToObject(req_params, "realm", realm);
|
|
|
|
blade_upstreammgr_localid_copy(bh->upstreammgr, pool, &id);
|
|
ks_assert(id);
|
|
|
|
cJSON_AddStringToObject(req_params, "requester-nodeid", id);
|
|
ks_pool_free(pool, &id);
|
|
|
|
blade_upstreammgr_masterid_copy(bh->upstreammgr, pool, &id);
|
|
ks_assert(id);
|
|
|
|
cJSON_AddStringToObject(req_params, "responder-nodeid", id);
|
|
ks_pool_free(pool, &id);
|
|
|
|
// @todo add a parameter containing a block of json for schema definitions for each of the methods being published
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request started\n", blade_session_id_get(bs));
|
|
|
|
ret = blade_session_send(bs, req, callback, data);
|
|
|
|
done:
|
|
if (req) cJSON_Delete(req);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
// blade.publish request handler
|
|
ks_bool_t blade_rpcpublish_request_handler(blade_rpc_request_t *brpcreq, void *data)
|
|
{
|
|
blade_handle_t *bh = NULL;
|
|
blade_session_t *bs = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_params_protocol = NULL;
|
|
const char *req_params_realm = NULL;
|
|
const char *req_params_requester_nodeid = NULL;
|
|
const char *req_params_responder_nodeid = NULL;
|
|
cJSON *res = NULL;
|
|
cJSON *res_result = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
bh = blade_rpc_request_handle_get(brpcreq);
|
|
ks_assert(bh);
|
|
|
|
bs = blade_sessionmgr_session_lookup(blade_handle_sessionmgr_get(bh), blade_rpc_request_sessionid_get(brpcreq));
|
|
ks_assert(bs);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (!req_params) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request missing 'params' object\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params object");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_protocol = cJSON_GetObjectCstr(req_params, "protocol");
|
|
if (!req_params_protocol) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request missing 'protocol'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params protocol");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_realm = cJSON_GetObjectCstr(req_params, "realm");
|
|
if (!req_params_realm) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request missing 'realm'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params realm");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
// @todo confirm the realm is permitted for the session, this gets complicated with subdomains, skipping for now
|
|
|
|
req_params_requester_nodeid = cJSON_GetObjectCstr(req_params, "requester-nodeid");
|
|
if (!req_params_requester_nodeid) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request missing 'requester-nodeid'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params requester-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_responder_nodeid = cJSON_GetObjectCstr(req_params, "responder-nodeid");
|
|
if (!req_params_responder_nodeid) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request missing 'responder-nodeid'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params responder-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
if (!blade_upstreammgr_masterid_compare(bh->upstreammgr, req_params_responder_nodeid)) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request invalid 'responder-nodeid' (%s)\n", blade_session_id_get(bs), req_params_responder_nodeid);
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Invalid params responder-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) publish request (%s to %s) processing\n", blade_session_id_get(bs), req_params_requester_nodeid, req_params_responder_nodeid);
|
|
|
|
blade_mastermgr_controller_add(bh->mastermgr, req_params_protocol, req_params_realm, req_params_requester_nodeid);
|
|
|
|
// build the actual response finally
|
|
blade_rpc_response_raw_create(&res, &res_result, blade_rpc_request_messageid_get(brpcreq));
|
|
|
|
cJSON_AddStringToObject(res_result, "protocol", req_params_protocol);
|
|
cJSON_AddStringToObject(res_result, "realm", req_params_realm);
|
|
cJSON_AddStringToObject(res_result, "requester-nodeid", req_params_requester_nodeid);
|
|
cJSON_AddStringToObject(res_result, "responder-nodeid", req_params_responder_nodeid);
|
|
|
|
// request was just received on a session that is already read locked, so we can assume the response goes back on the same session without further lookup
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
|
|
done:
|
|
|
|
if (res) cJSON_Delete(res);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return KS_FALSE;
|
|
}
|
|
|
|
|
|
// blade.locate request generator
|
|
// @todo discuss system to support caching locate results, and internally subscribing to receive event updates related to protocols which have been located
|
|
// to ensure local caches remain synced when protocol controllers change, but this requires additional filters for event propagating to avoid broadcasting
|
|
// every protocol update to everyone which may actually be a better way than an explicit locate request
|
|
KS_DECLARE(ks_status_t) blade_handle_rpclocate(blade_handle_t *bh, const char *name, const char *realm, blade_rpc_response_callback_t callback, void *data)
|
|
{
|
|
ks_status_t ret = KS_STATUS_SUCCESS;
|
|
blade_session_t *bs = NULL;
|
|
ks_pool_t *pool = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *id = NULL;
|
|
|
|
ks_assert(bh);
|
|
ks_assert(name);
|
|
ks_assert(realm);
|
|
|
|
if (!(bs = blade_upstreammgr_session_get(bh->upstreammgr))) {
|
|
ret = KS_STATUS_DISCONNECTED;
|
|
goto done;
|
|
}
|
|
|
|
pool = blade_handle_pool_get(bh);
|
|
ks_assert(pool);
|
|
|
|
blade_rpc_request_raw_create(pool, &req, &req_params, NULL, "blade.locate");
|
|
|
|
// fill in the req_params
|
|
cJSON_AddStringToObject(req_params, "protocol", name);
|
|
cJSON_AddStringToObject(req_params, "realm", realm);
|
|
|
|
blade_upstreammgr_localid_copy(bh->upstreammgr, pool, &id);
|
|
ks_assert(id);
|
|
|
|
cJSON_AddStringToObject(req_params, "requester-nodeid", id);
|
|
ks_pool_free(pool, &id);
|
|
|
|
blade_upstreammgr_masterid_copy(bh->upstreammgr, pool, &id);
|
|
ks_assert(id);
|
|
|
|
cJSON_AddStringToObject(req_params, "responder-nodeid", id);
|
|
ks_pool_free(pool, &id);
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request started\n", blade_session_id_get(bs));
|
|
|
|
ret = blade_session_send(bs, req, callback, data);
|
|
|
|
done:
|
|
if (req) cJSON_Delete(req);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
// blade.locate request handler
|
|
ks_bool_t blade_rpclocate_request_handler(blade_rpc_request_t *brpcreq, void *data)
|
|
{
|
|
blade_handle_t *bh = NULL;
|
|
blade_session_t *bs = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_params_protocol = NULL;
|
|
const char *req_params_realm = NULL;
|
|
const char *req_params_requester_nodeid = NULL;
|
|
const char *req_params_responder_nodeid = NULL;
|
|
cJSON *res = NULL;
|
|
cJSON *res_result = NULL;
|
|
cJSON *res_result_controllers;
|
|
blade_protocol_t *bp = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
bh = blade_rpc_request_handle_get(brpcreq);
|
|
ks_assert(bh);
|
|
|
|
bs = blade_sessionmgr_session_lookup(blade_handle_sessionmgr_get(bh), blade_rpc_request_sessionid_get(brpcreq));
|
|
ks_assert(bs);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (!req_params) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request missing 'params' object\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params object");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_protocol = cJSON_GetObjectCstr(req_params, "protocol");
|
|
if (!req_params_protocol) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request missing 'protocol'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params protocol");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_realm = cJSON_GetObjectCstr(req_params, "realm");
|
|
if (!req_params_realm) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request missing 'realm'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params realm");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
// @todo confirm the realm is permitted for the session, this gets complicated with subdomains, skipping for now
|
|
|
|
req_params_requester_nodeid = cJSON_GetObjectCstr(req_params, "requester-nodeid");
|
|
if (!req_params_requester_nodeid) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request missing 'requester-nodeid'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params requester-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_responder_nodeid = cJSON_GetObjectCstr(req_params, "responder-nodeid");
|
|
if (!req_params_responder_nodeid) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request missing 'responder-nodeid'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params responder-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
if (!blade_upstreammgr_masterid_compare(bh->upstreammgr, req_params_responder_nodeid)) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request invalid 'responder-nodeid' (%s)\n", blade_session_id_get(bs), req_params_responder_nodeid);
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Invalid params responder-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) locate request (%s to %s) processing\n", blade_session_id_get(bs), req_params_requester_nodeid, req_params_responder_nodeid);
|
|
|
|
res_result_controllers = cJSON_CreateObject();
|
|
|
|
bp = blade_mastermgr_protocol_lookup(bh->mastermgr, req_params_protocol, req_params_realm);
|
|
if (bp) {
|
|
ks_hash_t *controllers = blade_protocol_controllers_get(bp);
|
|
for (ks_hash_iterator_t *it = ks_hash_first(controllers, KS_UNLOCKED); it; it = ks_hash_next(&it)) {
|
|
const char *key = NULL;
|
|
void *value = NULL;
|
|
|
|
ks_hash_this(it, (const void **)&key, NULL, &value);
|
|
|
|
cJSON_AddItemToArray(res_result_controllers, cJSON_CreateString(key));
|
|
}
|
|
}
|
|
|
|
|
|
// build the actual response finally
|
|
blade_rpc_response_raw_create(&res, &res_result, blade_rpc_request_messageid_get(brpcreq));
|
|
|
|
cJSON_AddStringToObject(res_result, "protocol", req_params_protocol);
|
|
cJSON_AddStringToObject(res_result, "realm", req_params_realm);
|
|
cJSON_AddStringToObject(res_result, "requester-nodeid", req_params_requester_nodeid);
|
|
cJSON_AddStringToObject(res_result, "responder-nodeid", req_params_responder_nodeid);
|
|
cJSON_AddItemToObject(res_result, "controllers", res_result_controllers);
|
|
|
|
// request was just received on a session that is already read locked, so we can assume the response goes back on the same session without further lookup
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
|
|
done:
|
|
|
|
if (res) cJSON_Delete(res);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return KS_FALSE;
|
|
}
|
|
|
|
|
|
// blade.execute request generator
|
|
KS_DECLARE(ks_status_t) blade_handle_rpcexecute(blade_handle_t *bh, const char *nodeid, const char *method, const char *protocol, const char *realm, cJSON *params, blade_rpc_response_callback_t callback, void *data)
|
|
{
|
|
ks_status_t ret = KS_STATUS_SUCCESS;
|
|
blade_session_t *bs = NULL;
|
|
ks_pool_t *pool = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *localid = NULL;
|
|
|
|
ks_assert(bh);
|
|
ks_assert(nodeid);
|
|
ks_assert(method);
|
|
ks_assert(protocol);
|
|
ks_assert(realm);
|
|
|
|
if (!(bs = blade_routemgr_route_lookup(blade_handle_routemgr_get(bh), nodeid))) {
|
|
if (!(bs = blade_upstreammgr_session_get(bh->upstreammgr))) {
|
|
ret = KS_STATUS_DISCONNECTED;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
pool = blade_handle_pool_get(bh);
|
|
ks_assert(pool);
|
|
|
|
blade_rpc_request_raw_create(pool, &req, &req_params, NULL, "blade.execute");
|
|
|
|
cJSON_AddStringToObject(req_params, "method", method);
|
|
cJSON_AddStringToObject(req_params, "protocol", protocol);
|
|
cJSON_AddStringToObject(req_params, "realm", realm);
|
|
|
|
blade_upstreammgr_localid_copy(bh->upstreammgr, pool, &localid);
|
|
ks_assert(localid);
|
|
|
|
cJSON_AddStringToObject(req_params, "requester-nodeid", localid);
|
|
ks_pool_free(pool, &localid);
|
|
|
|
cJSON_AddStringToObject(req_params, "responder-nodeid", nodeid);
|
|
|
|
if (params) cJSON_AddItemToObject(req_params, "params", cJSON_Duplicate(params, 1));
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request started\n", blade_session_id_get(bs));
|
|
|
|
// @todo change what blade_rpc_request_t carries for tracking data, use a tuple instead which makes it
|
|
// easier to free the tuple and potentially associated data if a request needs to be destroyed without
|
|
// the callback being called to know that the data is a tuple to destroy, meanwhile a tuple offers a
|
|
// spare pointer for universally wrapping callback + data pairs in a case like this
|
|
// in which case do not create the tuple here, just pass 2 data pointers to send and let it store them
|
|
// in the internal tuple
|
|
ret = blade_session_send(bs, req, callback, data);
|
|
|
|
done:
|
|
if (req) cJSON_Delete(req);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
// blade.execute request handler
|
|
ks_bool_t blade_rpcexecute_request_handler(blade_rpc_request_t *brpcreq, void *data)
|
|
{
|
|
ks_bool_t ret = KS_FALSE;
|
|
blade_handle_t *bh = NULL;
|
|
blade_session_t *bs = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_params_method = NULL;
|
|
const char *req_params_protocol = NULL;
|
|
const char *req_params_realm = NULL;
|
|
const char *req_params_requester_nodeid = NULL;
|
|
const char *req_params_responder_nodeid = NULL;
|
|
blade_rpc_t *brpc = NULL;
|
|
blade_rpc_request_callback_t callback = NULL;
|
|
cJSON *res = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
bh = blade_rpc_request_handle_get(brpcreq);
|
|
ks_assert(bh);
|
|
|
|
bs = blade_sessionmgr_session_lookup(blade_handle_sessionmgr_get(bh), blade_rpc_request_sessionid_get(brpcreq));
|
|
ks_assert(bs);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (!req_params) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request missing 'params' object\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params object");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_method = cJSON_GetObjectCstr(req_params, "method");
|
|
if (!req_params_method) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request missing 'method'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params method");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_protocol = cJSON_GetObjectCstr(req_params, "protocol");
|
|
if (!req_params_protocol) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request missing 'protocol'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params protocol");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_realm = cJSON_GetObjectCstr(req_params, "realm");
|
|
if (!req_params_realm) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request missing 'realm'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params realm");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
// @todo confirm the realm is permitted for the session, this gets complicated with subdomains, skipping for now
|
|
|
|
req_params_requester_nodeid = cJSON_GetObjectCstr(req_params, "requester-nodeid");
|
|
if (!req_params_requester_nodeid) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request missing 'requester-nodeid'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params requester-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_responder_nodeid = cJSON_GetObjectCstr(req_params, "responder-nodeid");
|
|
if (!req_params_responder_nodeid) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request missing 'responder-nodeid'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params responder-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request (%s to %s) processing\n", blade_session_id_get(bs), req_params_requester_nodeid, req_params_responder_nodeid);
|
|
|
|
// @todo pull out nested params block if it exists and check against schema later, so blade_rpc_t should be able to carry a schema with it, even though blade.xxx may not associate one
|
|
|
|
brpc = blade_rpcmgr_protocolrpc_lookup(blade_handle_rpcmgr_get(bh), req_params_method, req_params_protocol, req_params_realm);
|
|
if (!brpc) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) execute request unknown method\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Unknown params method");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
callback = blade_rpc_callback_get(brpc);
|
|
if (callback) ret = callback(brpcreq, blade_rpc_data_get(brpc));
|
|
|
|
done:
|
|
|
|
if (res) cJSON_Delete(res);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
KS_DECLARE(const char *) blade_rpcexecute_request_requester_nodeid_get(blade_rpc_request_t *brpcreq)
|
|
{
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_requester_nodeid = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (req_params) req_requester_nodeid = cJSON_GetObjectCstr(req_params, "requester-nodeid");
|
|
|
|
return req_requester_nodeid;
|
|
}
|
|
|
|
KS_DECLARE(const char *) blade_rpcexecute_request_responder_nodeid_get(blade_rpc_request_t *brpcreq)
|
|
{
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_responder_nodeid = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (req_params) req_responder_nodeid = cJSON_GetObjectCstr(req_params, "responder-nodeid");
|
|
|
|
return req_responder_nodeid;
|
|
}
|
|
|
|
KS_DECLARE(cJSON *) blade_rpcexecute_request_params_get(blade_rpc_request_t *brpcreq)
|
|
{
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
cJSON *req_params_params = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (req_params) req_params_params = cJSON_GetObjectItem(req_params, "params");
|
|
|
|
return req_params_params;
|
|
}
|
|
|
|
KS_DECLARE(cJSON *) blade_rpcexecute_response_result_get(blade_rpc_response_t *brpcres)
|
|
{
|
|
cJSON *res = NULL;
|
|
cJSON *res_result = NULL;
|
|
cJSON *res_result_result = NULL;
|
|
|
|
ks_assert(brpcres);
|
|
|
|
res = blade_rpc_response_message_get(brpcres);
|
|
ks_assert(res);
|
|
|
|
res_result = cJSON_GetObjectItem(res, "result");
|
|
if (res_result) res_result_result = cJSON_GetObjectItem(res_result, "result");
|
|
|
|
return res_result_result;
|
|
}
|
|
|
|
// @note added blade_rpc_request_duplicate() to support async responding where the callbacks return immediately and the blade_rpc_request_t will be destroyed,
|
|
// in such cases duplicate the request to retain a copy for passing to blade_protocol_execute_response_send when sending the response as it contains everything
|
|
// needed to produce a response except the inner result block for blade.execute and call blade_rpc_request_destroy() to clean up the duplicate when finished
|
|
KS_DECLARE(void) blade_rpcexecute_response_send(blade_rpc_request_t *brpcreq, cJSON *result)
|
|
{
|
|
blade_handle_t *bh = NULL;
|
|
blade_session_t *bs = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
//const char *req_params_method = NULL;
|
|
const char *req_params_protocol = NULL;
|
|
const char *req_params_realm = NULL;
|
|
const char *req_params_requester_nodeid = NULL;
|
|
const char *req_params_responder_nodeid = NULL;
|
|
cJSON *res = NULL;
|
|
cJSON *res_result = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
bh = blade_rpc_request_handle_get(brpcreq);
|
|
ks_assert(bh);
|
|
|
|
bs = blade_sessionmgr_session_lookup(blade_handle_sessionmgr_get(bh), blade_rpc_request_sessionid_get(brpcreq));
|
|
ks_assert(bs);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
ks_assert(req_params);
|
|
|
|
req_params_protocol = cJSON_GetObjectCstr(req_params, "protocol");
|
|
ks_assert(req_params_protocol);
|
|
|
|
req_params_realm = cJSON_GetObjectCstr(req_params, "realm");
|
|
ks_assert(req_params_realm);
|
|
|
|
req_params_requester_nodeid = cJSON_GetObjectCstr(req_params, "requester-nodeid");
|
|
ks_assert(req_params_requester_nodeid);
|
|
|
|
req_params_responder_nodeid = cJSON_GetObjectCstr(req_params, "responder-nodeid");
|
|
ks_assert(req_params_responder_nodeid);
|
|
|
|
// build the actual response finally, wrap this into blade_protocol_execute_response_send()
|
|
blade_rpc_response_raw_create(&res, &res_result, blade_rpc_request_messageid_get(brpcreq));
|
|
|
|
cJSON_AddStringToObject(res_result, "protocol", req_params_protocol);
|
|
cJSON_AddStringToObject(res_result, "realm", req_params_realm);
|
|
cJSON_AddStringToObject(res_result, "requester-nodeid", req_params_requester_nodeid);
|
|
cJSON_AddStringToObject(res_result, "responder-nodeid", req_params_responder_nodeid);
|
|
if (result) cJSON_AddItemToObject(res_result, "result", cJSON_Duplicate(result, 1));
|
|
|
|
// request was just received on a session that is already read locked, so we can assume the response goes back on the same session without further lookup
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
|
|
cJSON_Delete(res);
|
|
|
|
blade_session_read_unlock(bs);
|
|
}
|
|
|
|
|
|
// blade.subscribe request generator
|
|
KS_DECLARE(ks_status_t) blade_handle_rpcsubscribe(blade_handle_t *bh, const char *event, const char *protocol, const char *realm, ks_bool_t remove, blade_rpc_response_callback_t callback, void *data, blade_rpc_request_callback_t event_callback, void *event_data)
|
|
{
|
|
ks_status_t ret = KS_STATUS_SUCCESS;
|
|
blade_session_t *bs = NULL;
|
|
const char *localid = NULL;
|
|
ks_bool_t propagate = KS_FALSE;
|
|
blade_subscription_t *bsub = NULL;
|
|
|
|
ks_assert(bh);
|
|
ks_assert(event);
|
|
ks_assert(protocol);
|
|
ks_assert(realm);
|
|
|
|
if (!(bs = blade_upstreammgr_session_get(bh->upstreammgr))) {
|
|
ret = KS_STATUS_DISCONNECTED;
|
|
goto done;
|
|
}
|
|
|
|
blade_upstreammgr_localid_copy(bh->upstreammgr, bh->pool, &localid);
|
|
ks_assert(localid);
|
|
|
|
if (remove) {
|
|
propagate = blade_subscriptionmgr_subscriber_remove(bh->subscriptionmgr, &bsub, event, protocol, realm, localid);
|
|
} else {
|
|
propagate = blade_subscriptionmgr_subscriber_add(bh->subscriptionmgr, &bsub, event, protocol, realm, localid);
|
|
ks_assert(event_callback);
|
|
}
|
|
ks_pool_free(bh->pool, &localid);
|
|
|
|
if (!remove && bsub) {
|
|
blade_subscription_callback_set(bsub, event_callback);
|
|
blade_subscription_callback_data_set(bsub, event_data);
|
|
}
|
|
|
|
if (propagate) ret = blade_handle_rpcsubscribe_raw(bh, event, protocol, realm, remove, callback, data);
|
|
|
|
done:
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
KS_DECLARE(ks_status_t) blade_handle_rpcsubscribe_raw(blade_handle_t *bh, const char *event, const char *protocol, const char *realm, ks_bool_t remove, blade_rpc_response_callback_t callback, void *data)
|
|
{
|
|
ks_status_t ret = KS_STATUS_SUCCESS;
|
|
blade_session_t *bs = NULL;
|
|
ks_pool_t *pool = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
|
|
ks_assert(bh);
|
|
ks_assert(event);
|
|
ks_assert(protocol);
|
|
ks_assert(realm);
|
|
|
|
if (!(bs = blade_upstreammgr_session_get(bh->upstreammgr))) {
|
|
ret = KS_STATUS_DISCONNECTED;
|
|
goto done;
|
|
}
|
|
|
|
pool = blade_handle_pool_get(bh);
|
|
ks_assert(pool);
|
|
|
|
blade_rpc_request_raw_create(pool, &req, &req_params, NULL, "blade.subscribe");
|
|
|
|
cJSON_AddStringToObject(req_params, "event", event);
|
|
cJSON_AddStringToObject(req_params, "protocol", protocol);
|
|
cJSON_AddStringToObject(req_params, "realm", realm);
|
|
if (remove) cJSON_AddTrueToObject(req_params, "remove");
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) subscribe request started\n", blade_session_id_get(bs));
|
|
|
|
ret = blade_session_send(bs, req, callback, data);
|
|
|
|
done:
|
|
if (req) cJSON_Delete(req);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
// blade.subscribe request handler
|
|
ks_bool_t blade_rpcsubscribe_request_handler(blade_rpc_request_t *brpcreq, void *data)
|
|
{
|
|
blade_handle_t *bh = NULL;
|
|
blade_session_t *bs = NULL;
|
|
ks_pool_t *pool = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_params_event = NULL;
|
|
const char *req_params_protocol = NULL;
|
|
const char *req_params_realm = NULL;
|
|
cJSON *req_params_remove = NULL;
|
|
ks_bool_t remove = KS_FALSE;
|
|
cJSON *res = NULL;
|
|
cJSON *res_result = NULL;
|
|
ks_bool_t propagate = KS_FALSE;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
bh = blade_rpc_request_handle_get(brpcreq);
|
|
ks_assert(bh);
|
|
|
|
pool = blade_handle_pool_get(bh);
|
|
ks_assert(pool);
|
|
|
|
bs = blade_sessionmgr_session_lookup(blade_handle_sessionmgr_get(bh), blade_rpc_request_sessionid_get(brpcreq));
|
|
ks_assert(bs);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (!req_params) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) subscribe request missing 'params' object\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params object");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_event = cJSON_GetObjectCstr(req_params, "event");
|
|
if (!req_params_event) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) subscribe request missing 'event'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params event");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_protocol = cJSON_GetObjectCstr(req_params, "protocol");
|
|
if (!req_params_protocol) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) subscribe request missing 'protocol'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params protocol");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_realm = cJSON_GetObjectCstr(req_params, "realm");
|
|
if (!req_params_realm) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) subscribe request missing 'realm'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params realm");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_remove = cJSON_GetObjectItem(req_params, "remove");
|
|
remove = req_params_remove && req_params_remove->type == cJSON_True;
|
|
|
|
// @todo confirm the realm is permitted for the session, this gets complicated with subdomains, skipping for now
|
|
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) subscribe request processing\n", blade_session_id_get(bs));
|
|
|
|
if (remove) {
|
|
propagate = blade_subscriptionmgr_subscriber_remove(bh->subscriptionmgr, NULL, req_params_event, req_params_protocol, req_params_realm, blade_session_id_get(bs));
|
|
} else {
|
|
propagate = blade_subscriptionmgr_subscriber_add(bh->subscriptionmgr, NULL, req_params_event, req_params_protocol, req_params_realm, blade_session_id_get(bs));
|
|
}
|
|
|
|
if (propagate) blade_handle_rpcsubscribe_raw(bh, req_params_event, req_params_protocol, req_params_realm, remove, NULL, NULL);
|
|
|
|
// build the actual response finally
|
|
blade_rpc_response_raw_create(&res, &res_result, blade_rpc_request_messageid_get(brpcreq));
|
|
|
|
cJSON_AddStringToObject(res_result, "event", req_params_event);
|
|
cJSON_AddStringToObject(res_result, "protocol", req_params_protocol);
|
|
cJSON_AddStringToObject(res_result, "realm", req_params_realm);
|
|
|
|
// request was just received on a session that is already read locked, so we can assume the response goes back on the same session without further lookup
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
|
|
done:
|
|
|
|
if (res) cJSON_Delete(res);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return KS_FALSE;
|
|
}
|
|
|
|
|
|
// blade.broadcast request generator
|
|
KS_DECLARE(ks_status_t) blade_handle_rpcbroadcast(blade_handle_t *bh, const char *broadcaster_nodeid, const char *event, const char *protocol, const char *realm, cJSON *params, blade_rpc_response_callback_t callback, void *data)
|
|
{
|
|
ks_status_t ret = KS_STATUS_SUCCESS;
|
|
ks_pool_t *pool = NULL;
|
|
const char *localid = NULL;
|
|
|
|
ks_assert(bh);
|
|
ks_assert(event);
|
|
ks_assert(protocol);
|
|
ks_assert(realm);
|
|
|
|
// this will ensure any downstream subscriber sessions, and upstream session if available will be broadcasted to
|
|
pool = blade_handle_pool_get(bh);
|
|
|
|
if (!broadcaster_nodeid) {
|
|
blade_upstreammgr_localid_copy(bh->upstreammgr, pool, &localid);
|
|
ks_assert(localid);
|
|
broadcaster_nodeid = localid;
|
|
}
|
|
|
|
ret = blade_subscriptionmgr_broadcast(bh->subscriptionmgr, broadcaster_nodeid, NULL, event, protocol, realm, params, callback, data);
|
|
|
|
if (localid) ks_pool_free(pool, &localid);
|
|
|
|
// @todo must check if the local node is also subscribed to receive the event, this is a special edge case which has some extra considerations
|
|
// if the local node is subscribed to receive the event, it should be received here as a special case, otherwise the broadcast request handler
|
|
// is where this normally occurs, however this is not a simple case as the callback expects a blade_rpc_request_t parameter containing context
|
|
|
|
return ret;
|
|
}
|
|
|
|
// blade.broadcast request handler
|
|
ks_bool_t blade_rpcbroadcast_request_handler(blade_rpc_request_t *brpcreq, void *data)
|
|
{
|
|
ks_bool_t ret = KS_FALSE;
|
|
blade_handle_t *bh = NULL;
|
|
blade_session_t *bs = NULL;
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_params_broadcaster_nodeid = NULL;
|
|
const char *req_params_event = NULL;
|
|
const char *req_params_protocol = NULL;
|
|
const char *req_params_realm = NULL;
|
|
cJSON *req_params_params = NULL;
|
|
blade_subscription_t *bsub = NULL;
|
|
blade_rpc_request_callback_t callback = NULL;
|
|
cJSON *res = NULL;
|
|
cJSON *res_result = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
bh = blade_rpc_request_handle_get(brpcreq);
|
|
ks_assert(bh);
|
|
|
|
bs = blade_sessionmgr_session_lookup(blade_handle_sessionmgr_get(bh), blade_rpc_request_sessionid_get(brpcreq));
|
|
ks_assert(bs);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (!req_params) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) broadcast request missing 'params' object\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params object");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_broadcaster_nodeid = cJSON_GetObjectCstr(req_params, "broadcaster-nodeid");
|
|
if (!req_params_broadcaster_nodeid) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) broadcast request missing 'broadcaster-nodeid'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params broadcaster-nodeid");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_event = cJSON_GetObjectCstr(req_params, "event");
|
|
if (!req_params_event) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) broadcast request missing 'event'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params event");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_protocol = cJSON_GetObjectCstr(req_params, "protocol");
|
|
if (!req_params_protocol) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) broadcast request missing 'protocol'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params protocol");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_realm = cJSON_GetObjectCstr(req_params, "realm");
|
|
if (!req_params_realm) {
|
|
ks_log(KS_LOG_DEBUG, "Session (%s) broadcast request missing 'realm'\n", blade_session_id_get(bs));
|
|
blade_rpc_error_raw_create(&res, NULL, blade_rpc_request_messageid_get(brpcreq), -32602, "Missing params realm");
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
goto done;
|
|
}
|
|
|
|
req_params_params = cJSON_GetObjectItem(req_params, "params");
|
|
|
|
blade_subscriptionmgr_broadcast(bh->subscriptionmgr, req_params_broadcaster_nodeid, blade_session_id_get(bs), req_params_event, req_params_protocol, req_params_realm, req_params_params, NULL, NULL);
|
|
|
|
bsub = blade_subscriptionmgr_subscription_lookup(bh->subscriptionmgr, req_params_event, req_params_protocol, req_params_realm);
|
|
if (bsub) {
|
|
const char *localid = NULL;
|
|
ks_pool_t *pool = NULL;
|
|
|
|
pool = blade_handle_pool_get(bh);
|
|
|
|
blade_upstreammgr_localid_copy(bh->upstreammgr, pool, &localid);
|
|
ks_assert(localid);
|
|
|
|
if (ks_hash_search(blade_subscription_subscribers_get(bsub), (void *)localid, KS_UNLOCKED)) {
|
|
callback = blade_subscription_callback_get(bsub);
|
|
if (callback) ret = callback(brpcreq, blade_subscription_callback_data_get(bsub));
|
|
}
|
|
ks_pool_free(pool, &localid);
|
|
}
|
|
|
|
// build the actual response finally
|
|
blade_rpc_response_raw_create(&res, &res_result, blade_rpc_request_messageid_get(brpcreq));
|
|
|
|
cJSON_AddStringToObject(res_result, "broadcaster-nodeid", req_params_broadcaster_nodeid);
|
|
cJSON_AddStringToObject(res_result, "event", req_params_event);
|
|
cJSON_AddStringToObject(res_result, "protocol", req_params_protocol);
|
|
cJSON_AddStringToObject(res_result, "realm", req_params_realm);
|
|
|
|
// request was just received on a session that is already read locked, so we can assume the response goes back on the same session without further lookup
|
|
blade_session_send(bs, res, NULL, NULL);
|
|
|
|
done:
|
|
|
|
if (res) cJSON_Delete(res);
|
|
if (bs) blade_session_read_unlock(bs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
KS_DECLARE(const char *) blade_rpcbroadcast_request_broadcaster_nodeid_get(blade_rpc_request_t *brpcreq)
|
|
{
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
const char *req_broadcaster_nodeid = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (req_params) req_broadcaster_nodeid = cJSON_GetObjectCstr(req_params, "broadcaster-nodeid");
|
|
|
|
return req_broadcaster_nodeid;
|
|
}
|
|
|
|
KS_DECLARE(cJSON *) blade_rpcbroadcast_request_params_get(blade_rpc_request_t *brpcreq)
|
|
{
|
|
cJSON *req = NULL;
|
|
cJSON *req_params = NULL;
|
|
cJSON *req_params_params = NULL;
|
|
|
|
ks_assert(brpcreq);
|
|
|
|
req = blade_rpc_request_message_get(brpcreq);
|
|
ks_assert(req);
|
|
|
|
req_params = cJSON_GetObjectItem(req, "params");
|
|
if (req_params) req_params_params = cJSON_GetObjectItem(req_params, "params");
|
|
|
|
return req_params_params;
|
|
}
|
|
|
|
/* For Emacs:
|
|
* Local Variables:
|
|
* mode:c
|
|
* indent-tabs-mode:t
|
|
* tab-width:4
|
|
* c-basic-offset:4
|
|
* End:
|
|
* For VIM:
|
|
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
|
|
*/
|