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280 lines
7.1 KiB
C++
280 lines
7.1 KiB
C++
/*************************************************************************/
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/* godot.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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/**
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@file godot.cpp
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@brief ENet Godot specific functions
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*/
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#include "core/io/ip.h"
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#include "core/io/net_socket.h"
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#include "core/os/os.h"
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// This must be last for windows to compile (tested with MinGW)
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#include "enet/enet.h"
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static enet_uint32 timeBase = 0;
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int enet_initialize(void) {
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return 0;
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}
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void enet_deinitialize(void) {
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}
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enet_uint32 enet_host_random_seed(void) {
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return (enet_uint32)OS::get_singleton()->get_unix_time();
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}
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enet_uint32 enet_time_get(void) {
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return OS::get_singleton()->get_ticks_msec() - timeBase;
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}
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void enet_time_set(enet_uint32 newTimeBase) {
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timeBase = OS::get_singleton()->get_ticks_msec() - newTimeBase;
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}
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int enet_address_set_host(ENetAddress *address, const char *name) {
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IP_Address ip = IP::get_singleton()->resolve_hostname(name);
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ERR_FAIL_COND_V(!ip.is_valid(), -1);
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enet_address_set_ip(address, ip.get_ipv6(), 16);
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return 0;
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}
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void enet_address_set_ip(ENetAddress *address, const uint8_t *ip, size_t size) {
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int len = size > 16 ? 16 : size;
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memset(address->host, 0, 16);
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memcpy(address->host, ip, len);
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}
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int enet_address_get_host_ip(const ENetAddress *address, char *name, size_t nameLength) {
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return -1;
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}
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int enet_address_get_host(const ENetAddress *address, char *name, size_t nameLength) {
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return -1;
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}
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ENetSocket enet_socket_create(ENetSocketType type) {
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NetSocket *socket = NetSocket::create();
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IP::Type ip_type = IP::TYPE_ANY;
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socket->open(NetSocket::TYPE_UDP, ip_type);
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return socket;
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}
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int enet_socket_bind(ENetSocket socket, const ENetAddress *address) {
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IP_Address ip;
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if (address->wildcard) {
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ip = IP_Address("*");
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} else {
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ip.set_ipv6(address->host);
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}
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NetSocket *sock = (NetSocket *)socket;
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if (sock->bind(ip, address->port) != OK) {
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return -1;
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}
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return 0;
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}
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void enet_socket_destroy(ENetSocket socket) {
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NetSocket *sock = (NetSocket *)socket;
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sock->close();
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memdelete(sock);
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}
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int enet_socket_send(ENetSocket socket, const ENetAddress *address, const ENetBuffer *buffers, size_t bufferCount) {
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ERR_FAIL_COND_V(address == NULL, -1);
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NetSocket *sock = (NetSocket *)socket;
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IP_Address dest;
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Error err;
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size_t i = 0;
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dest.set_ipv6(address->host);
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// Create a single packet.
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PoolVector<uint8_t> out;
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PoolVector<uint8_t>::Write w;
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int size = 0;
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int pos = 0;
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for (i = 0; i < bufferCount; i++) {
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size += buffers[i].dataLength;
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}
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out.resize(size);
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w = out.write();
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for (i = 0; i < bufferCount; i++) {
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memcpy(&w[pos], buffers[i].data, buffers[i].dataLength);
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pos += buffers[i].dataLength;
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}
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int sent = 0;
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err = sock->sendto((const uint8_t *)&w[0], size, sent, dest, address->port);
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if (err != OK) {
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if (err == ERR_BUSY) { // Blocking call
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return 0;
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}
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WARN_PRINT("Sending failed!");
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return -1;
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}
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return sent;
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}
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int enet_socket_receive(ENetSocket socket, ENetAddress *address, ENetBuffer *buffers, size_t bufferCount) {
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ERR_FAIL_COND_V(bufferCount != 1, -1);
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NetSocket *sock = (NetSocket *)socket;
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Error ret = sock->poll(NetSocket::POLL_TYPE_IN, 0);
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if (ret == ERR_BUSY)
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return 0;
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if (ret != OK)
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return -1;
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int read;
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IP_Address ip;
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Error err = sock->recvfrom((uint8_t *)buffers[0].data, buffers[0].dataLength, read, ip, address->port);
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if (err == ERR_BUSY)
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return 0;
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if (err != OK)
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return -1;
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enet_address_set_ip(address, ip.get_ipv6(), 16);
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return read;
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}
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// Not implemented
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int enet_socket_wait(ENetSocket socket, enet_uint32 *condition, enet_uint32 timeout) {
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return 0; // do we need this function?
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}
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int enet_socket_get_address(ENetSocket socket, ENetAddress *address) {
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return -1; // do we need this function?
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}
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int enet_socketset_select(ENetSocket maxSocket, ENetSocketSet *readSet, ENetSocketSet *writeSet, enet_uint32 timeout) {
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return -1;
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}
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int enet_socket_listen(ENetSocket socket, int backlog) {
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return -1;
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}
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int enet_socket_set_option(ENetSocket socket, ENetSocketOption option, int value) {
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NetSocket *sock = (NetSocket *)socket;
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switch (option) {
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case ENET_SOCKOPT_NONBLOCK: {
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sock->set_blocking_enabled(value ? false : true);
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return 0;
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} break;
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case ENET_SOCKOPT_BROADCAST: {
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sock->set_broadcasting_enabled(value ? true : false);
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return 0;
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} break;
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case ENET_SOCKOPT_REUSEADDR: {
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sock->set_reuse_address_enabled(value ? true : false);
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return 0;
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} break;
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case ENET_SOCKOPT_RCVBUF: {
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return -1;
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} break;
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case ENET_SOCKOPT_SNDBUF: {
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return -1;
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} break;
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case ENET_SOCKOPT_RCVTIMEO: {
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return -1;
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} break;
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case ENET_SOCKOPT_SNDTIMEO: {
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return -1;
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} break;
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case ENET_SOCKOPT_NODELAY: {
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sock->set_tcp_no_delay_enabled(value ? true : false);
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return 0;
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} break;
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}
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return -1;
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}
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int enet_socket_get_option(ENetSocket socket, ENetSocketOption option, int *value) {
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return -1;
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}
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int enet_socket_connect(ENetSocket socket, const ENetAddress *address) {
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return -1;
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}
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ENetSocket enet_socket_accept(ENetSocket socket, ENetAddress *address) {
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return NULL;
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}
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int enet_socket_shutdown(ENetSocket socket, ENetSocketShutdown how) {
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return -1;
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}
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