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sc_sock.h
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sc_sock.h
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/*
* MIT License
*
* Copyright (c) 2020 Ozan Tezcan
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef SC_SOCK_H
#define SC_SOCK_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#if defined(_WIN32) || defined(_WIN64)
#include <Ws2tcpip.h>
#include <windows.h>
#include <winsock2.h>
#pragma comment(lib, "ws2_32.lib")
typedef SOCKET sc_sock_int;
#else
#include <sys/socket.h>
typedef int sc_sock_int;
#endif
#define SC_SOCK_BUF_SIZE 8192
enum sc_sock_rc
{
SC_SOCK_WANT_READ = -4,
SC_SOCK_WANT_WRITE = -2,
SC_SOCK_ERROR = -1,
SC_SOCK_OK = 0
};
enum sc_sock_ev
{
SC_SOCK_NONE = 0u,
SC_SOCK_READ = 1u,
SC_SOCK_WRITE = 2u,
};
enum sc_sock_family
{
SC_SOCK_INET = AF_INET,
SC_SOCK_INET6 = AF_INET6,
SC_SOCK_UNIX = AF_UNIX
};
struct sc_sock_fd
{
sc_sock_int fd;
enum sc_sock_ev op;
int type;
int index;
};
struct sc_sock
{
struct sc_sock_fd fdt;
bool blocking;
int family;
char err[128];
};
void sc_sock_init(struct sc_sock* sock, int type, bool blocking, int family);
int sc_sock_term(struct sc_sock* sock);
int sc_sock_listen(struct sc_sock* sock, const char* host, const char* port);
int sc_sock_accept(struct sc_sock* sock, struct sc_sock* in);
int sc_sock_connect(struct sc_sock* sock, const char* dest_addr,
const char* dest_port, const char* source_addr,
const char* source_port);
int sc_sock_finish_connect(struct sc_sock* sock);
int sc_sock_send(struct sc_sock* sock, char* buf, int len);
int sc_sock_recv(struct sc_sock* sock, char* buf, int len);
const char* sc_sock_error(struct sc_sock* sock);
void sc_sock_print(struct sc_sock* sock, char* buf, int len);
struct sc_sock_pipe
{
struct sc_sock_fd fdt;
sc_sock_int fds[2];
};
int sc_sock_pipe_init(struct sc_sock_pipe* pipe, int type);
int sc_sock_pipe_term(struct sc_sock_pipe* pipe);
int sc_sock_pipe_write(struct sc_sock_pipe* pipe, void* data, int len);
int sc_sock_pipe_read(struct sc_sock_pipe* pipe, void* data, int len);
#define sc_sock_on_error(...)
#if defined(__linux__)
#include <sys/epoll.h>
struct sc_sock_poll
{
int fds;
size_t count;
size_t cap;
struct epoll_event* events;
};
#elif defined(__FreeBSD__) || defined(__APPLE__)
#include <sys/event.h>
struct sc_sock_poll
{
int fds;
size_t count;
size_t cap;
struct kevent* events;
};
#else
#if !defined(_WIN32)
#include <sys/poll.h>
#endif
struct sc_sock_poll
{
size_t count;
size_t cap;
void** data;
struct pollfd* events;
};
#endif
int sc_sock_poll_init(struct sc_sock_poll* poll);
int sc_sock_poll_term(struct sc_sock_poll* poll);
int sc_sock_poll_add(struct sc_sock_poll* poll, struct sc_sock_fd* fdt,
enum sc_sock_ev events, void* data);
int sc_sock_poll_del(struct sc_sock_poll* poll, struct sc_sock_fd* fdt,
enum sc_sock_ev events, void* data);
void* sc_sock_poll_data(struct sc_sock_poll* poll, size_t i);
uint32_t sc_sock_poll_event(struct sc_sock_poll* poll, size_t i);
int sc_sock_poll_wait(struct sc_sock_poll* poll, int timeout);
#endif