49 lines
2.0 KiB
C
Executable File
49 lines
2.0 KiB
C
Executable File
#pragma once
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#include "endpoint.h"
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#include "tlibc/errors.h"
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#include "tlibc/time.h"
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#include "tlibc/collections/Array.h"
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typedef enum SocketShutdownType {
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SocketShutdownType_Receive = 0,
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SocketShutdownType_Send = 1,
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SocketShutdownType_Both = 2,
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} SocketShutdownType;
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typedef enum SocketRecvFlag {
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SocketRecvFlag_None = 0,
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SocketRecvFlag_Peek = 0b1 /* next recv call will read the same data */,
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SocketRecvFlag_WholeBuffer = 0b10 /* waits until buffer is full */,
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} SocketRecvFlag;
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typedef i64 Socket;
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Result(Socket) socket_open_TCP();
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void socket_close(Socket s);
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Result(void) socket_shutdown(Socket s, SocketShutdownType direction);
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Result(void) socket_bind(Socket s, EndpointIPv4 local_end);
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Result(void) socket_listen(Socket s, i32 backlog);
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Result(Socket) socket_accept(Socket listening_sock, NULLABLE(EndpointIPv4*) remote_end);
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Result(void) socket_connect(Socket s, EndpointIPv4 remote_end);
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Result(void) socket_send(Socket s, Array(u8) buffer);
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Result(void) socket_sendto(Socket s, Array(u8) buffer, EndpointIPv4 dst);
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Result(i32) socket_recv(Socket s, Array(u8) buffer, SocketRecvFlag flags);
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Result(i32) socket_recvfrom(Socket s, Array(u8) buffer, SocketRecvFlag flags, NULLABLE(EndpointIPv4*) remote_end);
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/// Enables sending SO_KEEPALIVE packets when socket is idling.
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/// Also enables TCP_USER_TIMEOUT to handle situations
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/// when socket is not sending KEEPALIVE packets.
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/// Read more: https://blog.cloudflare.com/when-tcp-sockets-refuse-to-die/
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/// RU translaton: https://habr.com/ru/articles/700470/
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Result(void) socket_TCP_enableAliveChecks(Socket s,
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sec_t first_check_time, u32 checks_count, sec_t checks_interval);
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#define socket_TCP_enableAliveChecks_default(socket) \
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socket_TCP_enableAliveChecks(socket, 1, 4, 5)
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#define SOCKET_TIMEOUT_MS_DEFAULT 5000
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#define SOCKET_TIMEOUT_MS_INFINITE 0
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/// @brief sets general timeout for send() and recv()
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Result(void) socket_setTimeout(Socket s, u32 ms);
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