Mirrorlandia_minetest/minetest
1
0
Fork 1
mirror of https://github.com/minetest/minetest.git synced 2024-12-23 14:42:24 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add the option to bind to a specific address

Browse Source
This commit is contained in:
ShadowNinja 2014-02-05 21:24:46 +01:00 committed by sapier
parent 7f743178db
commit 85fe75d1cb
12 changed files with 118 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
builtin/mainmenu.lua
View File

@ -626,6 +626,9 @@ function tabbuilder.handle_server_buttons(fields)
gamedata.selected_world = filterlist.get_raw_index(worldlist,selected)
engine.setting_set("port",gamedata.port)
if fields["te_serveraddr"] ~= nil then
engine.setting_set("bind_address",fields["te_serveraddr"])
end
menu.update_last_game(gamedata.selected_world)
engine.start()
@ -950,11 +953,24 @@ function tabbuilder.tab_server()
dump(engine.setting_getbool("enable_damage")) .. "]"..
"checkbox[0.5,1.15;cb_server_announce;".. fgettext("Public") .. ";" ..
dump(engine.setting_getbool("server_announce")) .. "]"..
"field[0.8,3.2;3,0.5;te_playername;".. fgettext("Name") .. ";" ..
"field[0.8,3.2;3.5,0.5;te_playername;".. fgettext("Name") .. ";" ..
engine.setting_get("name") .. "]" ..
"pwdfield[0.8,4.2;3,0.5;te_passwd;".. fgettext("Password") .. "]" ..
"field[0.8,5.2;3,0.5;te_serverport;".. fgettext("Server Port") .. ";" ..
engine.setting_get("port") .."]" ..
"pwdfield[0.8,4.2;3.5,0.5;te_passwd;".. fgettext("Password") .. "]"
local bind_addr = engine.setting_get("bind_address")
if bind_addr ~= nil and bind_addr ~= "" then
retval = retval ..
"field[0.8,5.2;2.25,0.5;te_serveraddr;".. fgettext("Bind Address") .. ";" ..
engine.setting_get("bind_address") .."]" ..
"field[3.05,5.2;1.25,0.5;te_serverport;".. fgettext("Port") .. ";" ..
engine.setting_get("port") .."]"
else
retval = retval ..
"field[0.8,5.2;3.5,0.5;te_serverport;".. fgettext("Server Port") .. ";" ..
engine.setting_get("port") .."]"
end
retval = retval ..
"textlist[4,0.25;7.5,3.7;srv_worlds;" ..
menu.render_world_list() ..
";" .. index .. "]"

4
minetest.conf.example
View File

@ -231,7 +231,9 @@
# Server stuff
#
# Network port to listen (UDP)
#port =
#port = 30000
# Bind address
#bind_address =
# Name of server
#server_name = Minetest server
# Description of server

27
src/connection.cpp
View File

@ -1597,8 +1597,8 @@ void ConnectionSendThread::processNonReliableCommand(ConnectionCommand &c)
return;
case CONNCMD_SERVE:
LOG(dout_con<<m_connection->getDesc()<<" UDP processing CONNCMD_SERVE port="
<<c.port<<std::endl);
serve(c.port);
<<c.address.serializeString()<<std::endl);
serve(c.address);
return;
case CONNCMD_CONNECT:
LOG(dout_con<<m_connection->getDesc()<<" UDP processing CONNCMD_CONNECT"<<std::endl);
@ -1631,11 +1631,12 @@ void ConnectionSendThread::processNonReliableCommand(ConnectionCommand &c)
}
}
void ConnectionSendThread::serve(u16 port)
void ConnectionSendThread::serve(Address bind_address)
{
LOG(dout_con<<m_connection->getDesc()<<"UDP serving at port "<<port<<std::endl);
LOG(dout_con<<m_connection->getDesc()
<<"UDP serving at port " << bind_address.serializeString() <<std::endl);
try{
m_connection->m_udpSocket.Bind(port);
m_connection->m_udpSocket.Bind(bind_address);
m_connection->SetPeerID(PEER_ID_SERVER);
}
catch(SocketException &e){
@ -1658,7 +1659,14 @@ void ConnectionSendThread::connect(Address address)
e.peerAdded(peer->id, peer->address);
m_connection->putEvent(e);
m_connection->m_udpSocket.Bind(0);
Address bind_addr;
if (address.isIPv6())
bind_addr.setAddress((IPv6AddressBytes*) NULL);
else
bind_addr.setAddress(0,0,0,0);
m_connection->m_udpSocket.Bind(bind_addr);
// Send a dummy packet to server with peer_id = PEER_ID_INEXISTENT
m_connection->SetPeerID(PEER_ID_INEXISTENT);
@ -1716,7 +1724,8 @@ void ConnectionSendThread::send(u16 peer_id, u8 channelnum,
assert(channelnum < CHANNEL_COUNT);
PeerHelper peer = m_connection->getPeerNoEx(peer_id);
if(!peer) {
if(!peer)
{
LOG(dout_con<<m_connection->getDesc()<<" peer: peer_id="<<peer_id
<< ">>>NOT<<< found on sending packet"
<< ", channel " << (channelnum % 0xFF)
@ -2766,10 +2775,10 @@ void Connection::putCommand(ConnectionCommand &c)
}
}
void Connection::Serve(unsigned short port)
void Connection::Serve(Address bind_addr)
{
ConnectionCommand c;
c.serve(port);
c.serve(bind_addr);
putCommand(c);
}

9
src/connection.h
View File

@ -406,7 +406,6 @@ enum ConnectionCommandType{
struct ConnectionCommand
{
enum ConnectionCommandType type;
u16 port;
Address address;
u16 peer_id;
u8 channelnum;
@ -416,10 +415,10 @@ struct ConnectionCommand
ConnectionCommand(): type(CONNCMD_NONE), peer_id(PEER_ID_INEXISTENT), reliable(false), raw(false) {}
void serve(u16 port_)
void serve(Address address_)
{
type = CONNCMD_SERVE;
port = port_;
address = address_;
}
void connect(Address address_)
{
@ -912,7 +911,7 @@ private:
void processReliableCommand (ConnectionCommand &c);
void processNonReliableCommand (ConnectionCommand &c);
void serve (u16 port);
void serve (Address bind_address);
void connect (Address address);
void disconnect ();
void disconnect_peer(u16 peer_id);
@ -996,7 +995,7 @@ public:
void putCommand(ConnectionCommand &c);
void SetTimeoutMs(int timeout){ m_bc_receive_timeout = timeout; }
void Serve(unsigned short port);
void Serve(Address bind_addr);
void Connect(Address address);
bool Connected();
void Disconnect();

1
src/defaultsettings.cpp
View File

@ -175,6 +175,7 @@ void set_default_settings(Settings *settings)
settings->setDefault("workaround_window_size","5");
settings->setDefault("max_packets_per_iteration","1024");
settings->setDefault("port", "30000");
settings->setDefault("bind_address","");
settings->setDefault("default_game", "minetest");
settings->setDefault("motd", "");
settings->setDefault("max_users", "15");

26
src/game.cpp
View File

@ -909,8 +909,8 @@ bool nodePlacementPrediction(Client &client,
// Dont place node when player would be inside new node
// NOTE: This is to be eventually implemented by a mod as client-side Lua
if (!nodedef->get(n).walkable ||
(client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
if (!nodedef->get(n).walkable ||
(client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
(nodedef->get(n).walkable &&
neighbourpos != player->getStandingNodePos() + v3s16(0,1,0) &&
neighbourpos != player->getStandingNodePos() + v3s16(0,2,0))) {
@ -1029,7 +1029,27 @@ void the_game(
infostream<<"Creating server"<<std::endl;
server = new Server(map_dir, gamespec,
simple_singleplayer_mode);
server->start(port);
std::string bind_str = g_settings->get("bind_address");
Address bind_addr(0,0,0,0, port);
if (bind_str != "")
{
try {
bind_addr.Resolve(bind_str.c_str());
address = bind_str;
} catch (ResolveError &e) {
infostream << "Resolving bind address \"" << bind_str
<< "\" failed: " << e.what()
<< " -- Listening on all addresses." << std::endl;
if (g_settings->getBool("ipv6_server")) {
bind_addr.setAddress((IPv6AddressBytes*) NULL);
}
}
}
server->start(bind_addr);
}
do{ // Client scope (breakable do-while(0))

17
src/main.cpp
View File

@ -1024,6 +1024,21 @@ int main(int argc, char *argv[])
if(port == 0)
port = 30000;
// Bind address
std::string bind_str = g_settings->get("bind_address");
Address bind_addr(0,0,0,0, port);
try {
bind_addr.Resolve(bind_str.c_str());
} catch (ResolveError &e) {
infostream << "Resolving bind address \"" << bind_str
<< "\" failed: " << e.what()
<< " -- Listening on all addresses." << std::endl;
if (g_settings->getBool("ipv6_server")) {
bind_addr.setAddress((IPv6AddressBytes*) NULL);
}
}
// World directory
std::string commanded_world = "";
if(cmd_args.exists("world"))
@ -1270,7 +1285,7 @@ int main(int argc, char *argv[])
return 0;
}
server.start(port);
server.start(bind_addr);
// Run server
dedicated_server_loop(server, kill);

10
src/server.cpp
View File

@ -452,17 +452,18 @@ Server::~Server()
}
}
void Server::start(unsigned short port)
void Server::start(Address bind_addr)
{
DSTACK(__FUNCTION_NAME);
infostream<<"Starting server on port "<<port<<"..."<<std::endl;
infostream<<"Starting server on "
<< bind_addr.serializeString() <<"..."<<std::endl;
// Stop thread if already running
m_thread->Stop();
// Initialize connection
m_con.SetTimeoutMs(30);
m_con.Serve(port);
m_con.Serve(bind_addr);
// Start thread
m_thread->Start();
@ -477,7 +478,8 @@ void Server::start(unsigned short port)
<<" \\/ \\/ \\/ \\/ \\/ "<<std::endl;
actionstream<<"World at ["<<m_path_world<<"]"<<std::endl;
actionstream<<"Server for gameid=\""<<m_gamespec.id
<<"\" listening on port "<<port<<"."<<std::endl;
<<"\" listening on "<<bind_addr.serializeString()<<":"
<<bind_addr.getPort() << "."<<std::endl;
}
void Server::stop()

2
src/server.h
View File

@ -177,7 +177,7 @@ public:
bool simple_singleplayer_mode
);
~Server();
void start(unsigned short port);
void start(Address bind_addr);
void stop();
// This is mainly a way to pass the time to the server.
// Actual processing is done in an another thread.

27
src/socket.cpp
View File

@ -92,24 +92,27 @@ void sockets_cleanup()
Address::Address()
{
m_addr_family = 0;
memset(&m_address, 0, sizeof m_address);
memset(&m_address, 0, sizeof(m_address));
m_port = 0;
}
Address::Address(u32 address, u16 port)
{
memset(&m_address, 0, sizeof(m_address));
setAddress(address);
setPort(port);
}
Address::Address(u8 a, u8 b, u8 c, u8 d, u16 port)
{
memset(&m_address, 0, sizeof(m_address));
setAddress(a, b, c, d);
setPort(port);
}
Address::Address(const IPv6AddressBytes * ipv6_bytes, u16 port)
{
memset(&m_address, 0, sizeof(m_address));
setAddress(ipv6_bytes);
setPort(port);
}
@ -334,12 +337,20 @@ UDPSocket::~UDPSocket()
#endif
}
void UDPSocket::Bind(u16 port)
void UDPSocket::Bind(Address addr)
{
if(socket_enable_debug_output)
{
dstream << "UDPSocket(" << (int) m_handle << ")::Bind(): "
<< "port=" << port << std::endl;
<< addr.serializeString() << ":"
<< addr.getPort() << std::endl;
}
if (addr.getFamily() != m_addr_family)
{
char errmsg[] = "Socket and bind address families do not match";
errorstream << "Bind failed: " << errmsg << std::endl;
throw SocketException(errmsg);
}
if(m_addr_family == AF_INET6)
@ -347,12 +358,12 @@ void UDPSocket::Bind(u16 port)
struct sockaddr_in6 address;
memset(&address, 0, sizeof(address));
address = addr.getAddress6();
address.sin6_family = AF_INET6;
address.sin6_addr = in6addr_any;
address.sin6_port = htons(port);
address.sin6_port = htons(addr.getPort());
if(bind(m_handle, (const struct sockaddr *) &address,
sizeof(struct sockaddr_in6)) < 0)
sizeof(struct sockaddr_in6)) < 0)
{
dstream << (int) m_handle << ": Bind failed: "
<< strerror(errno) << std::endl;
@ -364,9 +375,9 @@ void UDPSocket::Bind(u16 port)
struct sockaddr_in address;
memset(&address, 0, sizeof(address));
address = addr.getAddress();
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(port);
address.sin_port = htons(addr.getPort());
if(bind(m_handle, (const struct sockaddr *) &address,
sizeof(struct sockaddr_in)) < 0)

2
src/socket.h
View File

@ -115,7 +115,7 @@ class UDPSocket
public:
UDPSocket(bool ipv6);
~UDPSocket();
void Bind(unsigned short port);
void Bind(Address addr);
//void Close();
//bool IsOpen();
void Send(const Address & destination, const void * data, int size);

9
src/test.cpp
View File

@ -1506,11 +1506,13 @@ struct TestSocket: public TestBase
void Run()
{
const int port = 30003;
Address address(0,0,0,0, port);
Address address6((IPv6AddressBytes*) NULL, port);
// IPv6 socket test
{
UDPSocket socket6(true);
socket6.Bind(port);
socket6.Bind(address6);
const char sendbuffer[] = "hello world!";
IPv6AddressBytes bytes;
@ -1536,7 +1538,7 @@ struct TestSocket: public TestBase
// IPv4 socket test
{
UDPSocket socket(false);
socket.Bind(port);
socket.Bind(address);
const char sendbuffer[] = "hello world!";
socket.Send(Address(127,0,0,1,port), sendbuffer, sizeof(sendbuffer));
@ -1656,7 +1658,8 @@ struct TestConnection: public TestBase
infostream<<"** Creating server Connection"<<std::endl;
con::Connection server(proto_id, 512, 5.0, false, &hand_server);
server.Serve(30001);
Address address(0,0,0,0, 30001);
server.Serve(address);
infostream<<"** Creating client Connection"<<std::endl;
con::Connection client(proto_id, 512, 5.0, false, &hand_client);