scrcpy/app/src/util/net.h

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#ifndef NET_H
#define NET_H
#include "common.h"
#include <stdbool.h>
#include <stdint.h>
#include <SDL2/SDL_platform.h>
#ifdef __WINDOWS__
# include <winsock2.h>
# include <stdatomic.h>
# define SC_INVALID_SOCKET NULL
typedef struct sc_socket_windows {
SOCKET socket;
atomic_flag closed;
} *sc_socket;
#else // not __WINDOWS__
# include <sys/socket.h>
# define SC_INVALID_SOCKET -1
typedef int sc_socket;
#endif
#define IPV4_LOCALHOST 0x7F000001
bool
net_init(void);
void
net_cleanup(void);
sc_socket
net_socket(void);
bool
net_connect(sc_socket socket, uint32_t addr, uint16_t port);
bool
net_listen(sc_socket socket, uint32_t addr, uint16_t port, int backlog);
sc_socket
net_accept(sc_socket server_socket);
// the _all versions wait/retry until len bytes have been written/read
ssize_t
net_recv(sc_socket socket, void *buf, size_t len);
ssize_t
net_recv_all(sc_socket socket, void *buf, size_t len);
ssize_t
net_send(sc_socket socket, const void *buf, size_t len);
ssize_t
net_send_all(sc_socket socket, const void *buf, size_t len);
// Shutdown the socket (or close on Windows) so that any blocking send() or
// recv() are interrupted.
bool
net_interrupt(sc_socket socket);
// Close the socket.
// A socket must always be closed, even if net_interrupt() has been called.
bool
net_close(sc_socket socket);
#endif