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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| 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> |
| Twosee <twose@qq.com> |
+----------------------------------------------------------------------+
*/
#pragma once
#include "swoole_coroutine.h"
#include "swoole_file.h"
#include <vector>
namespace swoole {
namespace coroutine {
//-------------------------------------------------------------------------------
struct PollSocket {
int16_t events;
int16_t revents;
void *ptr;
network::Socket *socket;
PollSocket(int16_t _event, void *_ptr) {
events = _event;
ptr = _ptr;
revents = 0;
socket = nullptr;
}
};
class System {
public:
static void init_reactor(Reactor *reactor);
/* sleep */
static int sleep(double sec);
/* file */
static std::shared_ptr<String> read_file(const char *file, bool lock = false);
static ssize_t write_file(const char *file, char *buf, size_t length, bool lock = 0, int flags = 0);
/* dns */
static std::string gethostbyname(const std::string &hostname, int domain, double timeout = -1);
static std::vector<std::string> getaddrinfo(const std::string &hostname,
int family = AF_INET,
int socktype = SOCK_STREAM,
int protocol = IPPROTO_TCP,
const std::string &service = "",
double timeout = -1);
static void set_dns_cache_expire(time_t expire);
static void set_dns_cache_capacity(size_t capacity);
static void clear_dns_cache();
/* multiplexing */
static bool socket_poll(std::unordered_map<int, PollSocket> &fds, double timeout);
/* wait */
static pid_t wait(int *__stat_loc, double timeout = -1);
static pid_t waitpid(pid_t __pid, int *__stat_loc, int __options, double timeout = -1);
/* signal */
static bool wait_signal(int signo, double timeout = -1);
/* event */
static int wait_event(int fd, int events, double timeout);
};
//-------------------------------------------------------------------------------
} // namespace coroutine
} // namespace swoole
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