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https://github.com/sogou/workflow.git
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xiehan
83 lines
1.6 KiB
C++
83 lines
1.6 KiB
C++
/*
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Copyright (c) 2019 Sogou, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Author: Xie Han (xiehan@sogou-inc.com)
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*/
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#ifndef _EXECUTOR_H_
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#define _EXECUTOR_H_
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#include <stddef.h>
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#include <pthread.h>
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#include "list.h"
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class ExecQueue
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{
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public:
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int init();
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void deinit();
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private:
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struct list_head session_list;
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pthread_mutex_t mutex;
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public:
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virtual ~ExecQueue() { }
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friend class Executor;
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};
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#define ES_STATE_FINISHED 0
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#define ES_STATE_ERROR 1
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#define ES_STATE_CANCELED 2
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class ExecSession
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{
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private:
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virtual void execute() = 0;
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virtual void handle(int state, int error) = 0;
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protected:
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ExecQueue *get_queue() const { return this->queue; }
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private:
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ExecQueue *queue;
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public:
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virtual ~ExecSession() { }
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friend class Executor;
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};
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class Executor
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{
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public:
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int init(size_t nthreads);
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void deinit();
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int request(ExecSession *session, ExecQueue *queue);
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private:
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struct __thrdpool *thrdpool;
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private:
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static void executor_thread_routine(void *context);
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static void executor_cancel(const struct thrdpool_task *task);
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public:
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virtual ~Executor() { }
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};
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#endif
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