328 lines
8.7 KiB
C
328 lines
8.7 KiB
C
/*
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* Copyright (c) 2017, Shane Bryldt
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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_mastermgr_s {
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blade_handle_t *handle;
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ks_pool_t *pool;
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// @todo how does "exclusive" play into the controllers, does "exclusive" mean only one provider can exist for a given protocol and realm? what does non exclusive mean?
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ks_hash_t *protocols; // protocols that have been published with blade.publish, and the details to locate a protocol controller with blade.locate
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};
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static void blade_mastermgr_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_mastermgr_t *bmmgr = (blade_mastermgr_t *)ptr;
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//ks_assert(bmmgr);
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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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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_mastermgr_create(blade_mastermgr_t **bmmgrP, blade_handle_t *bh)
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{
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ks_pool_t *pool = NULL;
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blade_mastermgr_t *bmmgr = NULL;
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ks_assert(bmmgrP);
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ks_pool_open(&pool);
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ks_assert(pool);
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bmmgr = ks_pool_alloc(pool, sizeof(blade_mastermgr_t));
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bmmgr->handle = bh;
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bmmgr->pool = pool;
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ks_hash_create(&bmmgr->protocols, KS_HASH_MODE_CASE_INSENSITIVE, KS_HASH_FLAG_RWLOCK | KS_HASH_FLAG_DUP_CHECK | KS_HASH_FLAG_FREE_KEY | KS_HASH_FLAG_FREE_VALUE, bmmgr->pool);
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ks_assert(bmmgr->protocols);
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ks_pool_set_cleanup(pool, bmmgr, NULL, blade_mastermgr_cleanup);
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*bmmgrP = bmmgr;
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return KS_STATUS_SUCCESS;
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}
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KS_DECLARE(ks_status_t) blade_mastermgr_destroy(blade_mastermgr_t **bmmgrP)
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{
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blade_mastermgr_t *bmmgr = NULL;
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ks_pool_t *pool;
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ks_assert(bmmgrP);
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ks_assert(*bmmgrP);
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bmmgr = *bmmgrP;
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*bmmgrP = NULL;
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ks_assert(bmmgr);
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pool = bmmgr->pool;
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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_DECLARE(blade_handle_t *) blade_mastermgr_handle_get(blade_mastermgr_t *bmmgr)
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{
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ks_assert(bmmgr);
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return bmmgr->handle;
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}
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KS_DECLARE(ks_status_t) blade_mastermgr_purge(blade_mastermgr_t *bmmgr, const char *nodeid)
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{
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ks_hash_t *cleanup = NULL;
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ks_hash_write_lock(bmmgr->protocols);
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for (ks_hash_iterator_t *it = ks_hash_first(bmmgr->protocols, KS_UNLOCKED); it; it = ks_hash_next(&it)) {
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const char *key = NULL;
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blade_protocol_t *bp = NULL;
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ks_hash_this(it, (const void **)&key, NULL, (void **)&bp);
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if (blade_protocol_purge(bp, nodeid)) {
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if (!cleanup) ks_hash_create(&cleanup, KS_HASH_MODE_CASE_INSENSITIVE, KS_HASH_FLAG_RWLOCK | KS_HASH_FLAG_DUP_CHECK, bmmgr->pool);
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ks_hash_insert(cleanup, key, bp);
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}
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}
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if (cleanup) {
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for (ks_hash_iterator_t *it = ks_hash_first(cleanup, KS_UNLOCKED); it; it = ks_hash_next(&it)) {
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const char *key = NULL;
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blade_protocol_t *bp = NULL;
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ks_hash_this(it, (const void **)&key, NULL, (void **)&bp);
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ks_log(KS_LOG_DEBUG, "Protocol Removed: %s\n", key);
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ks_hash_remove(bmmgr->protocols, key);
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}
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ks_hash_destroy(&cleanup);
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}
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ks_hash_write_unlock(bmmgr->protocols);
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return KS_STATUS_SUCCESS;
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}
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KS_DECLARE(blade_protocol_t *) blade_mastermgr_protocol_lookup(blade_mastermgr_t *bmmgr, const char *protocol, const char *realm)
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{
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blade_protocol_t *bp = NULL;
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char *key = NULL;
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ks_assert(bmmgr);
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ks_assert(protocol);
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ks_assert(realm);
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key = ks_psprintf(bmmgr->pool, "%s@%s", protocol, realm);
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bp = (blade_protocol_t *)ks_hash_search(bmmgr->protocols, (void *)key, KS_READLOCKED);
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// @todo if (bp) blade_protocol_read_lock(bp);
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ks_hash_read_unlock(bmmgr->protocols);
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return bp;
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}
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KS_DECLARE(ks_status_t) blade_mastermgr_controller_add(blade_mastermgr_t *bmmgr, const char *protocol, const char *realm, const char *controller)
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{
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blade_protocol_t *bp = NULL;
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char *key = NULL;
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ks_assert(bmmgr);
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ks_assert(protocol);
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ks_assert(realm);
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ks_assert(controller);
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key = ks_psprintf(bmmgr->pool, "%s@%s", protocol, realm);
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ks_hash_write_lock(bmmgr->protocols);
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bp = (blade_protocol_t *)ks_hash_search(bmmgr->protocols, (void *)key, KS_UNLOCKED);
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if (bp) {
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// @todo deal with exclusive stuff when the protocol is already registered
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}
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if (!bp) {
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blade_protocol_create(&bp, bmmgr->pool, protocol, realm);
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ks_assert(bp);
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ks_log(KS_LOG_DEBUG, "Protocol Added: %s\n", key);
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ks_hash_insert(bmmgr->protocols, (void *)ks_pstrdup(bmmgr->pool, key), bp);
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}
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blade_protocol_controllers_add(bp, controller);
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ks_pool_free(bmmgr->pool, &key);
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ks_hash_write_unlock(bmmgr->protocols);
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return KS_STATUS_SUCCESS;
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}
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KS_DECLARE(ks_status_t) blade_mastermgr_channel_add(blade_mastermgr_t *bmmgr, const char *protocol, const char *realm, const char *channel)
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{
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ks_status_t ret = KS_STATUS_SUCCESS;
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blade_protocol_t *bp = NULL;
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char *key = NULL;
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ks_assert(bmmgr);
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ks_assert(protocol);
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ks_assert(realm);
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ks_assert(channel);
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key = ks_psprintf(bmmgr->pool, "%s@%s", protocol, realm);
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bp = (blade_protocol_t *)ks_hash_search(bmmgr->protocols, (void *)key, KS_READLOCKED);
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if (!bp) {
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ret = KS_STATUS_NOT_FOUND;
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goto done;
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}
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blade_protocol_channel_add(bp, channel);
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done:
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ks_pool_free(bmmgr->pool, &key);
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ks_hash_read_unlock(bmmgr->protocols);
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return ret;
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}
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KS_DECLARE(ks_status_t) blade_mastermgr_channel_remove(blade_mastermgr_t *bmmgr, const char *protocol, const char *realm, const char *channel)
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{
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ks_status_t ret = KS_STATUS_SUCCESS;
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blade_protocol_t *bp = NULL;
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char *key = NULL;
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ks_assert(bmmgr);
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ks_assert(protocol);
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ks_assert(realm);
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ks_assert(channel);
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key = ks_psprintf(bmmgr->pool, "%s@%s", protocol, realm);
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bp = (blade_protocol_t *)ks_hash_search(bmmgr->protocols, (void *)key, KS_READLOCKED);
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if (!bp) {
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ret = KS_STATUS_NOT_FOUND;
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goto done;
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}
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blade_protocol_channel_remove(bp, channel);
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done:
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ks_pool_free(bmmgr->pool, &key);
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ks_hash_read_unlock(bmmgr->protocols);
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return ret;
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}
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KS_DECLARE(ks_status_t) blade_mastermgr_channel_authorize(blade_mastermgr_t *bmmgr, ks_bool_t remove, const char *protocol, const char *realm, const char *channel, const char *controller, const char *target)
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{
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ks_status_t ret = KS_STATUS_SUCCESS;
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blade_protocol_t *bp = NULL;
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char *key = NULL;
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//ks_hash_t *cleanup = NULL;
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ks_assert(bmmgr);
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ks_assert(protocol);
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ks_assert(realm);
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ks_assert(channel);
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ks_assert(controller);
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ks_assert(target);
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key = ks_psprintf(bmmgr->pool, "%s@%s", protocol, realm);
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bp = (blade_protocol_t *)ks_hash_search(bmmgr->protocols, (void *)key, KS_READLOCKED);
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if (!bp) {
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ret = KS_STATUS_NOT_FOUND;
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goto done;
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}
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ret = blade_protocol_channel_authorize(bp, remove, channel, controller, target);
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done:
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ks_pool_free(bmmgr->pool, &key);
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ks_hash_read_unlock(bmmgr->protocols);
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return ret;
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}
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KS_DECLARE(ks_bool_t) blade_mastermgr_channel_verify(blade_mastermgr_t *bmmgr, const char *protocol, const char *realm, const char *channel, const char *target)
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{
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ks_bool_t ret = KS_FALSE;
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blade_protocol_t *bp = NULL;
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char *key = NULL;
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//ks_hash_t *cleanup = NULL;
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ks_assert(bmmgr);
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ks_assert(protocol);
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ks_assert(realm);
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ks_assert(channel);
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ks_assert(target);
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key = ks_psprintf(bmmgr->pool, "%s@%s", protocol, realm);
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bp = (blade_protocol_t *)ks_hash_search(bmmgr->protocols, (void *)key, KS_READLOCKED);
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if (!bp) goto done;
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ret = blade_protocol_channel_verify(bp, channel, target);
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done:
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ks_pool_free(bmmgr->pool, &key);
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ks_hash_read_unlock(bmmgr->protocols);
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return ret;
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}
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
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*/
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