/*
  +----------------------------------------------------------------------+
  | 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  <rango@swoole.com>                             |
  +----------------------------------------------------------------------+
*/

#ifndef SW_COROUTINE_API_H_
#define SW_COROUTINE_API_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/statvfs.h>
#include <stdint.h>
#include <stdio.h>
#include <netdb.h>
#include <poll.h>
#include <dirent.h>

/**
 * basic API
 */
long swoole_coroutine_create(void (*routine)(void *), void *arg);
uint8_t swoole_coroutine_is_in(void);
long swoole_coroutine_get_id(void);
void swoole_coroutine_sleep(int sec);
void swoole_coroutine_usleep(int usec);

/**
 * file
 */
int swoole_coroutine_access(const char *pathname, int mode);
int swoole_coroutine_open(const char *pathname, int flags, mode_t mode);
ssize_t swoole_coroutine_read(int fd, void *buf, size_t count);
ssize_t swoole_coroutine_write(int fd, const void *buf, size_t count);
off_t swoole_coroutine_lseek(int fd, off_t offset, int whence);
int swoole_coroutine_fstat(int fd, struct stat *statbuf);
int swoole_coroutine_stat(const char *path, struct stat *statbuf);
int swoole_coroutine_lstat(const char *path, struct stat *statbuf);
ssize_t swoole_coroutine_readlink(const char *pathname, char *buf, size_t len);
int swoole_coroutine_unlink(const char *pathname);
int swoole_coroutine_mkdir(const char *pathname, mode_t mode);
int swoole_coroutine_rmdir(const char *pathname);
int swoole_coroutine_rename(const char *oldpath, const char *newpath);
int swoole_coroutine_flock(int fd, int operation);
int swoole_coroutine_statvfs(const char *path, struct statvfs *buf);
int swoole_coroutine_close(int fd);
int swoole_coroutine_fsync(int fd);
int swoole_coroutine_fdatasync(int fd);
int swoole_coroutine_ftruncate(int fd, off_t length);

/**
 * stdio
 */
FILE *swoole_coroutine_fopen(const char *pathname, const char *mode);
FILE *swoole_coroutine_fdopen(int fd, const char *mode);
FILE *swoole_coroutine_freopen(const char *pathname, const char *mode, FILE *stream);
size_t swoole_coroutine_fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
size_t swoole_coroutine_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
char *swoole_coroutine_fgets(char *s, int size, FILE *stream);
int swoole_coroutine_fputs(const char *s, FILE *stream);
int swoole_coroutine_fflush(FILE *stream);
int swoole_coroutine_feof(FILE *stream);
int swoole_coroutine_fclose(FILE *stream);

/**
 * dir
 */
DIR *swoole_coroutine_opendir(const char *name);
struct dirent *swoole_coroutine_readdir(DIR *dirp);
int swoole_coroutine_closedir(DIR *dirp);

/**
 * socket API
 * The `bind()` and `listen()` functions do not block IO waiting,
 * so the original functions can be used directly without the need for hooks.
 */
int swoole_coroutine_socket(int domain, int type, int protocol);
int swoole_coroutine_socket_create(int fd);
int swoole_coroutine_socket_unwrap(int fd);
uint8_t swoole_coroutine_socket_exists(int fd);
ssize_t swoole_coroutine_send(int sockfd, const void *buf, size_t len, int flags);
ssize_t swoole_coroutine_sendmsg(int sockfd, const struct msghdr *msg, int flags);
ssize_t swoole_coroutine_recv(int sockfd, void *buf, size_t len, int flags);
ssize_t swoole_coroutine_recvmsg(int sockfd, struct msghdr *msg, int flags);
int swoole_coroutine_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
int swoole_coroutine_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
int swoole_coroutine_poll(struct pollfd *fds, nfds_t nfds, int timeout);
int swoole_coroutine_poll_fake(struct pollfd *fds, nfds_t nfds, int timeout);
int swoole_coroutine_socket_set_timeout(int fd, int which, double timeout);
int swoole_coroutine_socket_set_connect_timeout(int fd, double timeout);
int swoole_coroutine_socket_wait_event(int fd, int event, double timeout);
int swoole_coroutine_getaddrinfo(const char *name,
                                 const char *service,
                                 const struct addrinfo *req,
                                 struct addrinfo **pai);
struct hostent *swoole_coroutine_gethostbyname(const char *name);

/**
 * wait
 */
size_t swoole_coroutine_wait_count(void);
pid_t swoole_coroutine_waitpid(pid_t _pid, int *_stat_loc, int _options);
pid_t swoole_coroutine_wait(int *_stat_loc);

#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif