mirror of
https://github.com/Genymobile/scrcpy.git
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af15c72f9c
Improved manually with the help of neovim LSP warnings and iwyu:
iwyu -Ibuilddir/app/ -Iapp/src/ app/src/XXX.c
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
#ifndef SC_NET_H
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#define SC_NET_H
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#include "common.h"
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/types.h>
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#ifdef _WIN32
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# include <winsock2.h>
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typedef SOCKET sc_raw_socket;
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# define SC_RAW_SOCKET_NONE INVALID_SOCKET
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#else // not _WIN32
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typedef int sc_raw_socket;
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# define SC_RAW_SOCKET_NONE -1
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#endif
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#if defined(_WIN32) || defined(__APPLE__)
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// On Windows and macOS, shutdown() does not interrupt accept() or read()
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// calls, so net_interrupt() must call close() instead, and net_close() must
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// behave accordingly.
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// This causes a small race condition (once the socket is closed, its
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// handle becomes invalid and may in theory be reassigned before another
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// thread calls accept() or read()), but it is deemed acceptable as a
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// workaround.
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# define SC_SOCKET_CLOSE_ON_INTERRUPT
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#endif
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#ifdef SC_SOCKET_CLOSE_ON_INTERRUPT
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# include <stdatomic.h>
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# define SC_SOCKET_NONE NULL
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typedef struct sc_socket_wrapper {
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sc_raw_socket socket;
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atomic_flag closed;
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} *sc_socket;
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#else
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# define SC_SOCKET_NONE -1
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typedef sc_raw_socket sc_socket;
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#endif
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#define IPV4_LOCALHOST 0x7F000001
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bool
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net_init(void);
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void
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net_cleanup(void);
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sc_socket
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net_socket(void);
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bool
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net_connect(sc_socket socket, uint32_t addr, uint16_t port);
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bool
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net_listen(sc_socket server_socket, uint32_t addr, uint16_t port, int backlog);
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sc_socket
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net_accept(sc_socket server_socket);
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// the _all versions wait/retry until len bytes have been written/read
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ssize_t
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net_recv(sc_socket socket, void *buf, size_t len);
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ssize_t
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net_recv_all(sc_socket socket, void *buf, size_t len);
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ssize_t
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net_send(sc_socket socket, const void *buf, size_t len);
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ssize_t
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net_send_all(sc_socket socket, const void *buf, size_t len);
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// Shutdown the socket (or close on Windows) so that any blocking send() or
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// recv() are interrupted.
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bool
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net_interrupt(sc_socket socket);
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// Close the socket.
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// A socket must always be closed, even if net_interrupt() has been called.
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bool
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net_close(sc_socket socket);
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// Disable Nagle's algorithm (if tcp_nodelay is true)
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bool
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net_set_tcp_nodelay(sc_socket socket, bool tcp_nodelay);
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/**
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* Parse `ip` "xxx.xxx.xxx.xxx" to an IPv4 host representation
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*/
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bool
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net_parse_ipv4(const char *ip, uint32_t *ipv4);
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#endif
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