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Add interface for easy protocol implementation

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This commit adds a protocol interface to the server, its purpose is to manage TCP connections and the various third-party protocols.

More specifically, ProtoHandleConnection() takes care of exchanging the packets between the local and remote endpoint; the protocol implementation only has to parse them and act accordingly.

The interface knows which protocol is the connection for by calling IsPacketForMe(), a function implemented for each protocol.
This commit is contained in:
Davide Beatrici
2019-07-26 08:36:54 +02:00
parent 3f9b610c80
commit 7d58e6bf60
10 changed files with 392 additions and 69 deletions
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12
src/Mayaqua/Network.h
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@ -456,6 +456,16 @@ struct TUBEPAIR_DATA
SOCK_EVENT *SockEvent1, *SockEvent2; // SockEvent
};
// TCP raw data
struct TCP_RAW_DATA
{
IP SrcIP; // Source IP address
IP DstIP; // Destination IP address
UINT SrcPort; // Source port
UINT DstPort; // Destination port
FIFO *Data; // Data body
};
// UDP listener socket entry
struct UDPLISTENER_SOCK
{
@ -1411,6 +1421,8 @@ void AddPortToUdpListener(UDPLISTENER *u, UINT port);
void DeletePortFromUdpListener(UDPLISTENER *u, UINT port);
void DeleteAllPortFromUdpListener(UDPLISTENER *u);
void UdpListenerSendPackets(UDPLISTENER *u, LIST *packet_list);
TCP_RAW_DATA *NewTcpRawData(IP *src_ip, UINT src_port, IP *dst_ip, UINT dst_port);
void FreeTcpRawData(TCP_RAW_DATA *trd);
UDPPACKET *NewUdpPacket(IP *src_ip, UINT src_port, IP *dst_ip, UINT dst_port, void *data, UINT size);
void FreeUdpPacket(UDPPACKET *p);
UDPLISTENER_SOCK *DetermineUdpSocketForSending(UDPLISTENER *u, UDPPACKET *p);