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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2018 The Swoole Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| license@swoole.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#pragma once
#include <vector>
#include <string>
#include <mutex>
#include <atomic>
#ifndef O_DIRECT
#define O_DIRECT 040000
#endif
namespace swoole {
enum AsyncFlag {
SW_AIO_WRITE_FSYNC = 1u << 1,
SW_AIO_EOF = 1u << 2,
};
struct AsyncEvent {
int fd;
size_t task_id;
uint8_t lock;
uint8_t canceled;
/**
* input & output
*/
uint16_t flags;
off_t offset;
size_t nbytes;
void *buf;
void *req;
/**
* output
*/
ssize_t retval;
int error;
/**
* internal use only
*/
network::Socket *pipe_socket;
double timestamp;
void *object;
void (*handler)(AsyncEvent *event);
void (*callback)(AsyncEvent *event);
bool catch_error() {
return (error == SW_ERROR_AIO_TIMEOUT || error == SW_ERROR_AIO_CANCELED);
}
};
class AsyncThreads {
public:
bool schedule = false;
size_t task_num = 0;
Pipe *pipe = nullptr;
async::ThreadPool *pool = nullptr;
network::Socket *read_socket = nullptr;
network::Socket *write_socket = nullptr;
AsyncThreads();
~AsyncThreads();
size_t get_task_num() {
return task_num;
}
size_t get_queue_size();
size_t get_worker_num();
void notify_one();
static int callback(Reactor *reactor, Event *event);
private:
std::mutex init_lock;
};
namespace async {
typedef void (*Handler)(AsyncEvent *event);
AsyncEvent *dispatch(const AsyncEvent *request);
void handler_gethostbyname(AsyncEvent *event);
void handler_getaddrinfo(AsyncEvent *event);
} // namespace async
}; // namespace swoole
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