mirror of https://github.com/minetest/minetest.git
New packet handling, a more proper way
This commit is contained in:
parent
32ca9c8b38
commit
a9da5e8a44
310
src/client.cpp
310
src/client.cpp
|
@ -1001,6 +1001,205 @@ void Client::Receive()
|
||||||
ProcessData(*data, datasize, sender_peer_id);
|
ProcessData(*data, datasize, sender_peer_id);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
struct ToClientCommandHandler
|
||||||
|
{
|
||||||
|
char const* name;
|
||||||
|
void (Client::*handler)(u8 *data, u32 datasize, u16 sender_peer_id);
|
||||||
|
};
|
||||||
|
|
||||||
|
ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
|
||||||
|
{
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_INIT", &Client::handleCommand_Init }, // 0x10
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_ACCESS_DENIED", &Client::handleCommand_AccessDenied }, // 0x35
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
{ "TOCLIENT_NULL", &Client::handleCommand_Null },
|
||||||
|
};
|
||||||
|
|
||||||
|
void Client::handleCommand_Init(u8 *data, u32 datasize, u16 sender_peer_id)
|
||||||
|
{
|
||||||
|
if(datasize < 3)
|
||||||
|
return;
|
||||||
|
|
||||||
|
u8 deployed = data[2];
|
||||||
|
|
||||||
|
infostream<<"Client: TOCLIENT_INIT received with "
|
||||||
|
"deployed="<<((int)deployed&0xff)<<std::endl;
|
||||||
|
|
||||||
|
if(!ser_ver_supported(deployed))
|
||||||
|
{
|
||||||
|
infostream<<"Client: TOCLIENT_INIT: Server sent "
|
||||||
|
<<"unsupported ser_fmt_ver"<<std::endl;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
m_server_ser_ver = deployed;
|
||||||
|
|
||||||
|
// Get player position
|
||||||
|
v3s16 playerpos_s16(0, BS*2+BS*20, 0);
|
||||||
|
if(datasize >= 2+1+6)
|
||||||
|
playerpos_s16 = readV3S16(&data[2+1]);
|
||||||
|
v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS/2, 0);
|
||||||
|
|
||||||
|
|
||||||
|
// Set player position
|
||||||
|
Player *player = m_env.getLocalPlayer();
|
||||||
|
assert(player != NULL);
|
||||||
|
player->setPosition(playerpos_f);
|
||||||
|
|
||||||
|
if(datasize >= 2+1+6+8)
|
||||||
|
{
|
||||||
|
// Get map seed
|
||||||
|
m_map_seed = readU64(&data[2+1+6]);
|
||||||
|
infostream<<"Client: received map seed: "<<m_map_seed<<std::endl;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(datasize >= 2+1+6+8+4)
|
||||||
|
{
|
||||||
|
// Get map seed
|
||||||
|
m_recommended_send_interval = readF1000(&data[2+1+6+8]);
|
||||||
|
infostream<<"Client: received recommended send interval "
|
||||||
|
<<m_recommended_send_interval<<std::endl;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Reply to server
|
||||||
|
u32 replysize = 2;
|
||||||
|
SharedBuffer<u8> reply(replysize);
|
||||||
|
writeU16(&reply[0], TOSERVER_INIT2);
|
||||||
|
// Send as reliable
|
||||||
|
m_con.Send(PEER_ID_SERVER, 1, reply, true);
|
||||||
|
|
||||||
|
m_state = LC_Init;
|
||||||
|
}
|
||||||
|
|
||||||
|
void Client::handleCommand_AccessDenied(u8 *data, u32 datasize, u16 sender_peer_id)
|
||||||
|
{
|
||||||
|
// The server didn't like our password. Note, this needs
|
||||||
|
// to be processed even if the serialisation format has
|
||||||
|
// not been agreed yet, the same as TOCLIENT_INIT.
|
||||||
|
m_access_denied = true;
|
||||||
|
m_access_denied_reason = L"Unknown";
|
||||||
|
if(datasize >= 4)
|
||||||
|
{
|
||||||
|
std::string datastring((char*)&data[2], datasize-2);
|
||||||
|
std::istringstream is(datastring, std::ios_base::binary);
|
||||||
|
m_access_denied_reason = deSerializeWideString(is);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void Client::handleCommand_RemoveNode(u8 *data, u32 datasize, u16 sender_peer_id)
|
||||||
|
{
|
||||||
|
if(datasize < 8)
|
||||||
|
return;
|
||||||
|
|
||||||
|
v3s16 p;
|
||||||
|
p.X = readS16(&data[2]);
|
||||||
|
p.Y = readS16(&data[4]);
|
||||||
|
p.Z = readS16(&data[6]);
|
||||||
|
removeNode(p);
|
||||||
|
}
|
||||||
|
|
||||||
|
void Client::handleCommand_AddNode(u8 *data, u32 datasize, u16 sender_peer_id)
|
||||||
|
{
|
||||||
|
u8 ser_version = m_server_ser_ver;
|
||||||
|
|
||||||
|
if(datasize < 8 + MapNode::serializedLength(ser_version))
|
||||||
|
return;
|
||||||
|
|
||||||
|
v3s16 p;
|
||||||
|
p.X = readS16(&data[2]);
|
||||||
|
p.Y = readS16(&data[4]);
|
||||||
|
p.Z = readS16(&data[6]);
|
||||||
|
|
||||||
|
MapNode n;
|
||||||
|
n.deSerialize(&data[8], ser_version);
|
||||||
|
|
||||||
|
bool remove_metadata = true;
|
||||||
|
u32 index = 8 + MapNode::serializedLength(ser_version);
|
||||||
|
if ((datasize >= index+1) && data[index]){
|
||||||
|
remove_metadata = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
addNode(p, n, remove_metadata);
|
||||||
|
}
|
||||||
/*
|
/*
|
||||||
sender_peer_id given to this shall be quaranteed to be a valid peer
|
sender_peer_id given to this shall be quaranteed to be a valid peer
|
||||||
*/
|
*/
|
||||||
|
@ -1034,77 +1233,10 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
|
||||||
|
|
||||||
u8 ser_version = m_server_ser_ver;
|
u8 ser_version = m_server_ser_ver;
|
||||||
|
|
||||||
if(command == TOCLIENT_INIT)
|
if(command == TOCLIENT_INIT || command == TOCLIENT_ACCESS_DENIED)
|
||||||
{
|
{
|
||||||
if(datasize < 3)
|
ToClientCommandHandler& opHandle = toClientCommandTable[command];
|
||||||
return;
|
(this->*opHandle.handler)(data, datasize, sender_peer_id);
|
||||||
|
|
||||||
u8 deployed = data[2];
|
|
||||||
|
|
||||||
infostream<<"Client: TOCLIENT_INIT received with "
|
|
||||||
"deployed="<<((int)deployed&0xff)<<std::endl;
|
|
||||||
|
|
||||||
if(!ser_ver_supported(deployed))
|
|
||||||
{
|
|
||||||
infostream<<"Client: TOCLIENT_INIT: Server sent "
|
|
||||||
<<"unsupported ser_fmt_ver"<<std::endl;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
m_server_ser_ver = deployed;
|
|
||||||
|
|
||||||
// Get player position
|
|
||||||
v3s16 playerpos_s16(0, BS*2+BS*20, 0);
|
|
||||||
if(datasize >= 2+1+6)
|
|
||||||
playerpos_s16 = readV3S16(&data[2+1]);
|
|
||||||
v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS/2, 0);
|
|
||||||
|
|
||||||
|
|
||||||
// Set player position
|
|
||||||
Player *player = m_env.getLocalPlayer();
|
|
||||||
assert(player != NULL);
|
|
||||||
player->setPosition(playerpos_f);
|
|
||||||
|
|
||||||
if(datasize >= 2+1+6+8)
|
|
||||||
{
|
|
||||||
// Get map seed
|
|
||||||
m_map_seed = readU64(&data[2+1+6]);
|
|
||||||
infostream<<"Client: received map seed: "<<m_map_seed<<std::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(datasize >= 2+1+6+8+4)
|
|
||||||
{
|
|
||||||
// Get map seed
|
|
||||||
m_recommended_send_interval = readF1000(&data[2+1+6+8]);
|
|
||||||
infostream<<"Client: received recommended send interval "
|
|
||||||
<<m_recommended_send_interval<<std::endl;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Reply to server
|
|
||||||
u32 replysize = 2;
|
|
||||||
SharedBuffer<u8> reply(replysize);
|
|
||||||
writeU16(&reply[0], TOSERVER_INIT2);
|
|
||||||
// Send as reliable
|
|
||||||
m_con.Send(PEER_ID_SERVER, 1, reply, true);
|
|
||||||
|
|
||||||
m_state = LC_Init;
|
|
||||||
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(command == TOCLIENT_ACCESS_DENIED)
|
|
||||||
{
|
|
||||||
// The server didn't like our password. Note, this needs
|
|
||||||
// to be processed even if the serialisation format has
|
|
||||||
// not been agreed yet, the same as TOCLIENT_INIT.
|
|
||||||
m_access_denied = true;
|
|
||||||
m_access_denied_reason = L"Unknown";
|
|
||||||
if(datasize >= 4)
|
|
||||||
{
|
|
||||||
std::string datastring((char*)&data[2], datasize-2);
|
|
||||||
std::istringstream is(datastring, std::ios_base::binary);
|
|
||||||
m_access_denied_reason = deSerializeWideString(is);
|
|
||||||
}
|
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1123,39 +1255,15 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
|
||||||
// almost everyone needs a player reference
|
// almost everyone needs a player reference
|
||||||
Player *player = m_env.getLocalPlayer();
|
Player *player = m_env.getLocalPlayer();
|
||||||
assert(player != NULL);
|
assert(player != NULL);
|
||||||
|
|
||||||
if(command == TOCLIENT_REMOVENODE)
|
// Handle present here because or m_server_ser_ver (temp i think)
|
||||||
{
|
if (command == TOCLIENT_REMOVENODE || command == TOCLIENT_ADDNODE) {
|
||||||
if(datasize < 8)
|
ToClientCommandHandler& opHandle = toClientCommandTable[command];
|
||||||
return;
|
(this->*opHandle.handler)(data, datasize, sender_peer_id);
|
||||||
v3s16 p;
|
return;
|
||||||
p.X = readS16(&data[2]);
|
|
||||||
p.Y = readS16(&data[4]);
|
|
||||||
p.Z = readS16(&data[6]);
|
|
||||||
removeNode(p);
|
|
||||||
}
|
}
|
||||||
else if(command == TOCLIENT_ADDNODE)
|
|
||||||
{
|
|
||||||
if(datasize < 8 + MapNode::serializedLength(ser_version))
|
|
||||||
return;
|
|
||||||
|
|
||||||
v3s16 p;
|
if(command == TOCLIENT_BLOCKDATA)
|
||||||
p.X = readS16(&data[2]);
|
|
||||||
p.Y = readS16(&data[4]);
|
|
||||||
p.Z = readS16(&data[6]);
|
|
||||||
|
|
||||||
MapNode n;
|
|
||||||
n.deSerialize(&data[8], ser_version);
|
|
||||||
|
|
||||||
bool remove_metadata = true;
|
|
||||||
u32 index = 8 + MapNode::serializedLength(ser_version);
|
|
||||||
if ((datasize >= index+1) && data[index]){
|
|
||||||
remove_metadata = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
addNode(p, n, remove_metadata);
|
|
||||||
}
|
|
||||||
else if(command == TOCLIENT_BLOCKDATA)
|
|
||||||
{
|
{
|
||||||
// Ignore too small packet
|
// Ignore too small packet
|
||||||
if(datasize < 8)
|
if(datasize < 8)
|
||||||
|
|
11
src/client.h
11
src/client.h
|
@ -339,7 +339,18 @@ public:
|
||||||
*/
|
*/
|
||||||
void step(float dtime);
|
void step(float dtime);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Command Handler
|
||||||
|
*/
|
||||||
|
|
||||||
|
void handleCommand_Null(u8 *data, u32 datasize, u16 sender_peer_id) {}
|
||||||
|
void handleCommand_Init(u8 *data, u32 datasize, u16 sender_peer_id);
|
||||||
|
void handleCommand_AccessDenied(u8 *data, u32 datasize, u16 sender_peer_id);
|
||||||
|
void handleCommand_RemoveNode(u8 *data, u32 datasize, u16 sender_peer_id);
|
||||||
|
void handleCommand_AddNode(u8 *data, u32 datasize, u16 sender_peer_id);
|
||||||
|
|
||||||
void ProcessData(u8 *data, u32 datasize, u16 sender_peer_id);
|
void ProcessData(u8 *data, u32 datasize, u16 sender_peer_id);
|
||||||
|
|
||||||
// Returns true if something was received
|
// Returns true if something was received
|
||||||
bool AsyncProcessPacket();
|
bool AsyncProcessPacket();
|
||||||
bool AsyncProcessData();
|
bool AsyncProcessData();
|
||||||
|
|
|
@ -556,6 +556,8 @@ enum ToClientCommand
|
||||||
v3f1000 first
|
v3f1000 first
|
||||||
v3f1000 third
|
v3f1000 third
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
TOCLIENT_NUM_MSG_TYPES = 0x53,
|
||||||
};
|
};
|
||||||
|
|
||||||
enum ToServerCommand
|
enum ToServerCommand
|
||||||
|
|
Loading…
Reference in New Issue