Livox-SDK
92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
//
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// The MIT License (MIT)
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//
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// Copyright (c) 2019 Livox. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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#ifndef LIVOX_IO_LOOP_H_
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#define LIVOX_IO_LOOP_H_
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#include <functional>
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#include <mutex>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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#include "apr_general.h"
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#include "apr_network_io.h"
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#include "apr_poll.h"
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#include "apr_thread_proc.h"
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#include "command_callback.h"
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#include "noncopyable.h"
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#include "thread_base.h"
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#include "util.h"
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namespace livox {
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class IOLoop : public noncopyable {
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public:
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class IOLoopDelegate {
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public:
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virtual void OnData(apr_socket_t *, void *) {}
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virtual void OnTimer(apr_time_t) {}
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virtual void OnWake() {}
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};
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typedef std::function<void(void)> IOLoopTask;
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public:
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explicit IOLoop(apr_pool_t *mem_pool, bool enable_timer = true, bool enable_wake = true)
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: pollset_(NULL), mem_pool_(mem_pool), last_timeout_(0), enable_timer_(enable_timer), enable_wake_(enable_wake){};
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bool Init();
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void Uninit();
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void AddDelegate(apr_socket_t *sock, IOLoopDelegate *delegate, void *data = NULL);
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void RemoveDelegate(apr_socket_t *sock, IOLoopDelegate *delegate);
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void RemoveDelegateSync(apr_socket_t *sock);
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void Loop();
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bool Wakeup();
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void PostTask(const IOLoopTask &task);
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void SetThreadId (apr_os_thread_t thread_id) { thread_id_ = thread_id; }
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apr_os_thread_t GetThreadId () { return thread_id_; }
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private:
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void AddDelegateAsync(apr_socket_t *sock, IOLoopDelegate *delegate, void *data);
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void RemoveDelegateAsync(apr_socket_t *sock);
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private:
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static const apr_uint32_t kMaxPollCount = 48;
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typedef std::pair<IOLoopDelegate *, void *> ClientData;
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typedef std::unordered_map<apr_socket_t *, ClientData *> DelegatesType;
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DelegatesType delegates_;
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apr_pollset_t *pollset_;
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apr_pool_t *mem_pool_;
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apr_time_t last_timeout_;
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std::mutex mutex_;
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bool enable_timer_;
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bool enable_wake_;
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std::vector<IOLoopTask> pending_tasks_;
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apr_os_thread_t thread_id_;
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};
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} // namespace livox
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#endif // LIVOX_IO_LOOP_H_
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