| /****************************************************************************** |
| * |
| * Copyright (C) 2014 Google, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| #define LOG_TAG "bt_osi_data_dispatcher" |
| |
| #include "osi/include/data_dispatcher.h" |
| |
| #include <assert.h> |
| #include <unordered_map> |
| |
| #include "osi/include/allocator.h" |
| #include "osi/include/log.h" |
| #include "osi/include/osi.h" |
| |
| #define DEFAULT_TABLE_BUCKETS 10 |
| |
| typedef std::unordered_map<data_dispatcher_type_t, fixed_queue_t*> |
| DispatchTableMap; |
| |
| struct data_dispatcher_t { |
| char* name; |
| DispatchTableMap* dispatch_table; |
| fixed_queue_t* default_queue; // We don't own this queue |
| }; |
| |
| data_dispatcher_t* data_dispatcher_new(const char* name) { |
| assert(name != NULL); |
| |
| data_dispatcher_t* ret = |
| (data_dispatcher_t*)osi_calloc(sizeof(data_dispatcher_t)); |
| |
| ret->dispatch_table = new DispatchTableMap(); |
| |
| ret->name = osi_strdup(name); |
| if (!ret->name) { |
| LOG_ERROR(LOG_TAG, "%s unable to duplicate provided name.", __func__); |
| goto error; |
| } |
| |
| return ret; |
| |
| error:; |
| data_dispatcher_free(ret); |
| return NULL; |
| } |
| |
| void data_dispatcher_free(data_dispatcher_t* dispatcher) { |
| if (!dispatcher) return; |
| |
| delete dispatcher->dispatch_table; |
| osi_free(dispatcher->name); |
| osi_free(dispatcher); |
| } |
| |
| void data_dispatcher_register(data_dispatcher_t* dispatcher, |
| data_dispatcher_type_t type, |
| fixed_queue_t* queue) { |
| assert(dispatcher != NULL); |
| |
| if (queue) |
| (*dispatcher->dispatch_table)[type] = queue; |
| else |
| dispatcher->dispatch_table->erase(type); |
| } |
| |
| void data_dispatcher_register_default(data_dispatcher_t* dispatcher, |
| fixed_queue_t* queue) { |
| assert(dispatcher != NULL); |
| |
| dispatcher->default_queue = queue; |
| } |
| |
| bool data_dispatcher_dispatch(data_dispatcher_t* dispatcher, |
| data_dispatcher_type_t type, void* data) { |
| assert(dispatcher != NULL); |
| assert(data != NULL); |
| |
| fixed_queue_t* queue; |
| auto iter = dispatcher->dispatch_table->find(type); |
| if (iter == dispatcher->dispatch_table->end()) |
| queue = dispatcher->default_queue; |
| else |
| queue = iter->second; |
| |
| if (queue) |
| fixed_queue_enqueue(queue, data); |
| else |
| LOG_WARN(LOG_TAG, |
| "%s has no handler for type (%zd) in data dispatcher named: %s", |
| __func__, type, dispatcher->name); |
| |
| return queue != NULL; |
| } |