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/*************************************************************************/
/* godot.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
/**
@file godot.cpp
@brief ENet Godot specific functions
*/
#include "core/io/ip.h"
#include "core/io/packet_peer_udp.h"
#include "core/os/os.h"
// This must be last for windows to compile (tested with MinGW)
#include "enet/enet.h"
static enet_uint32 timeBase = 0;
int enet_initialize(void) {
return 0;
}
void enet_deinitialize(void) {
}
enet_uint32 enet_host_random_seed(void) {
return (enet_uint32)OS::get_singleton()->get_unix_time();
}
enet_uint32 enet_time_get(void) {
return OS::get_singleton()->get_ticks_msec() - timeBase;
}
void enet_time_set(enet_uint32 newTimeBase) {
timeBase = OS::get_singleton()->get_ticks_msec() - newTimeBase;
}
int enet_address_set_host(ENetAddress *address, const char *name) {
IP_Address ip = IP::get_singleton()->resolve_hostname(name);
ERR_FAIL_COND_V(!ip.is_valid(), -1);
enet_address_set_ip(address, ip.get_ipv6(), 16);
return 0;
}
void enet_address_set_ip(ENetAddress *address, const uint8_t *ip, size_t size) {
int len = size > 16 ? 16 : size;
memset(address->host, 0, 16);
memcpy(address->host, ip, len);
}
int enet_address_get_host_ip(const ENetAddress *address, char *name, size_t nameLength) {
return -1;
}
int enet_address_get_host(const ENetAddress *address, char *name, size_t nameLength) {
return -1;
}
int enet_socket_bind(ENetSocket socket, const ENetAddress *address) {
IP_Address ip;
if (address->wildcard) {
ip = IP_Address("*");
} else {
ip.set_ipv6(address->host);
}
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
if (sock->listen(address->port, ip) != OK) {
return -1;
}
return 0;
}
ENetSocket enet_socket_create(ENetSocketType type) {
PacketPeerUDP *socket = memnew(PacketPeerUDP);
socket->set_blocking_mode(false);
return socket;
}
void enet_socket_destroy(ENetSocket socket) {
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
sock->close();
memdelete(sock);
}
int enet_socket_send(ENetSocket socket, const ENetAddress *address, const ENetBuffer *buffers, size_t bufferCount) {
ERR_FAIL_COND_V(address == NULL, -1);
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
IP_Address dest;
Error err;
size_t i = 0;
dest.set_ipv6(address->host);
sock->set_dest_address(dest, address->port);
// Create a single packet.
PoolVector<uint8_t> out;
PoolVector<uint8_t>::Write w;
int size = 0;
int pos = 0;
for (i = 0; i < bufferCount; i++) {
size += buffers[i].dataLength;
}
out.resize(size);
w = out.write();
for (i = 0; i < bufferCount; i++) {
memcpy(&w[pos], buffers[i].data, buffers[i].dataLength);
pos += buffers[i].dataLength;
}
err = sock->put_packet((const uint8_t *)&w[0], size);
if (err != OK) {
if (err == ERR_BUSY) { // Blocking call
return 0;
}
WARN_PRINT("Sending failed!");
return -1;
}
return size;
}
int enet_socket_receive(ENetSocket socket, ENetAddress *address, ENetBuffer *buffers, size_t bufferCount) {
ERR_FAIL_COND_V(bufferCount != 1, -1);
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
int pc = sock->get_available_packet_count();
if (pc < 1) {
return pc;
}
const uint8_t *buffer;
int buffer_size;
Error err = sock->get_packet(&buffer, buffer_size);
if (err)
return -1;
copymem(buffers[0].data, buffer, buffer_size);
enet_address_set_ip(address, sock->get_packet_address().get_ipv6(), 16);
address->port = sock->get_packet_port();
return buffer_size;
}
// Not implemented
int enet_socket_wait(ENetSocket socket, enet_uint32 *condition, enet_uint32 timeout) {
return 0; // do we need this function?
}
int enet_socket_get_address(ENetSocket socket, ENetAddress *address) {
return -1; // do we need this function?
}
int enet_socketset_select(ENetSocket maxSocket, ENetSocketSet *readSet, ENetSocketSet *writeSet, enet_uint32 timeout) {
return -1;
}
int enet_socket_listen(ENetSocket socket, int backlog) {
return -1;
}
int enet_socket_set_option(ENetSocket socket, ENetSocketOption option, int value) {
return -1;
}
int enet_socket_get_option(ENetSocket socket, ENetSocketOption option, int *value) {
return -1;
}
int enet_socket_connect(ENetSocket socket, const ENetAddress *address) {
return -1;
}
ENetSocket enet_socket_accept(ENetSocket socket, ENetAddress *address) {
return NULL;
}
int enet_socket_shutdown(ENetSocket socket, ENetSocketShutdown how) {
return -1;
}
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