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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: NathanFreeman <mariasocute@163.com> |
+----------------------------------------------------------------------+
*/
#pragma once
#include "swoole_coroutine.h"
#ifdef SW_USE_IOURING
#include <liburing.h>
using swoole::Coroutine;
enum swIouringFlag {
SW_IOURING_DEFAULT = 0,
SW_IOURING_SQPOLL = IORING_SETUP_SQPOLL,
};
namespace swoole {
struct IouringEvent;
class Iouring {
uint64_t task_num = 0;
uint64_t entries = 8192;
io_uring ring;
std::queue<IouringEvent *> waiting_tasks;
network::Socket *ring_socket = nullptr;
Reactor *reactor = nullptr;
explicit Iouring(Reactor *reactor_);
bool ready() const;
bool submit(IouringEvent *event);
bool dispatch(IouringEvent *event);
bool wakeup();
io_uring_sqe *get_iouring_sqe() {
struct io_uring_sqe *sqe = io_uring_get_sqe(&ring);
// We need to reset the values of each sqe structure so that they can be used in a loop.
if (sqe) {
memset(sqe, 0, sizeof(struct io_uring_sqe));
}
return sqe;
}
static ssize_t execute(IouringEvent *event);
public:
~Iouring();
bool is_empty_waiting_tasks() const {
return waiting_tasks.empty();
}
uint64_t get_task_num() const {
return task_num;
}
static int open(const char *pathname, int flags, mode_t mode);
static int close(int fd);
static ssize_t read(int fd, void *buf, size_t size);
static ssize_t write(int fd, const void *buf, size_t size);
static int rename(const char *oldpath, const char *newpath);
static int mkdir(const char *pathname, mode_t mode);
static int unlink(const char *pathname);
#ifdef HAVE_IOURING_STATX
static int fstat(int fd, struct stat *statbuf);
static int stat(const char *path, struct stat *statbuf);
#endif
static int rmdir(const char *pathname);
static int fsync(int fd);
static int fdatasync(int fd);
#ifdef HAVE_IOURING_FUTEX
static int futex_wait(uint32_t *futex);
static int futex_wakeup(uint32_t *futex);
#endif
#ifdef HAVE_IOURING_FTRUNCATE
static int ftruncate(int fd, off_t length);
#endif
static std::unordered_map<std::string, int> list_all_opcode();
static int callback(Reactor *reactor, Event *event);
};
}; // namespace swoole
#endif