Add godot socket implementation
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42
thirdparty/enet/enet/godot.h
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thirdparty/enet/enet/godot.h
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/**
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@file godot.h
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@brief ENet Godot header
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*/
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#ifndef __ENET_GODOT_H__
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#define __ENET_GODOT_H__
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#ifdef WINDOWS_ENABLED
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#include <stdint.h>
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#include <winsock2.h>
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#endif
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#ifdef UNIX_ENABLED
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#include <arpa/inet.h>
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#endif
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#ifdef MSG_MAXIOVLEN
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#define ENET_BUFFER_MAXIMUM MSG_MAXIOVLEN
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#endif
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typedef void *ENetSocket;
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#define ENET_SOCKET_NULL NULL
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#define ENET_HOST_TO_NET_16(value) (htons(value)) /**< macro that converts host to net byte-order of a 16-bit value */
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#define ENET_HOST_TO_NET_32(value) (htonl(value)) /**< macro that converts host to net byte-order of a 32-bit value */
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#define ENET_NET_TO_HOST_16(value) (ntohs(value)) /**< macro that converts net to host byte-order of a 16-bit value */
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#define ENET_NET_TO_HOST_32(value) (ntohl(value)) /**< macro that converts net to host byte-order of a 32-bit value */
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typedef struct
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{
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void *data;
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size_t dataLength;
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} ENetBuffer;
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#define ENET_CALLBACK
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#define ENET_API extern
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typedef void ENetSocketSet;
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#endif /* __ENET_GODOT_H__ */
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thirdparty/enet/godot.cpp
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thirdparty/enet/godot.cpp
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/**
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@file godot.c
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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/packet_peer_udp.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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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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PacketPeerUDP *sock = (PacketPeerUDP *)socket;
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if (sock->listen(address->port, ip) != 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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ENetSocket enet_socket_create(ENetSocketType type) {
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return PacketPeerUDP::create();
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}
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void enet_socket_destroy(ENetSocket socket) {
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PacketPeerUDP *sock = (PacketPeerUDP *)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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PacketPeerUDP *sock = (PacketPeerUDP *)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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sock->set_dest_address(dest, address->port);
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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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err = sock->put_packet((const uint8_t *)&w[0], size);
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if (err != OK) {
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WARN_PRINT("Sending failed!");
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return -1;
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}
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return size;
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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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PacketPeerUDP *sock = (PacketPeerUDP *)socket;
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if (sock->get_available_packet_count() == 0) {
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return 0;
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}
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const uint8_t *buffer;
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int buffer_size;
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Error err = sock->get_packet(&buffer, buffer_size);
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if (err)
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return -1;
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copymem(buffers[0].data, buffer, buffer_size);
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enet_address_set_ip(address, sock->get_packet_address().get_ipv6(), 16);
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address->port = sock->get_packet_port();
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return buffer_size;
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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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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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