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On unknown command, return byte 2

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This commit is contained in:
Tristan B. Kildaire 2020-09-25 19:30:45 +02:00
parent 4394dc9ae2
commit b81b7a37cd
2 changed files with 106 additions and 20 deletions
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41
source/dnetd/dchannel.d
View File

@ -43,24 +43,43 @@ public class DChannel
/**
* Joins the given client to this channel
*/
public void join(DConnection client)
public bool join(DConnection client)
{
/* Lock the members list */
memberLock.lock();
/**
* Don't allow the user to join a channel he
* is already in
*/
bool isPresent = false;
foreach(DConnection member; members)
{
if(client is member)
{
isPresent = true;
break;
}
}
/**
* TODO: Error handling if the calling DConnection fails midway
* and doesn't unlock it
*/
writeln(this);
/* Add the client */
members ~= client;
import std.stdio;
writeln(members);
/* Only join channel if not already joined */
if(!isPresent)
{
/* Add the client */
members ~= client;
}
/* Unlock the members list */
memberLock.unlock();
return isPresent;
}
/**
@ -95,7 +114,15 @@ public class DChannel
/* TODO: Generate message */
/* TODO: Spec out in protocol */
/* TODO: Reserved tag 0 for notifications */
byte[] msg;
/**
* Format
* 0 - dm
* 1 - channel (this case)
* byte length of name of channel/person (dm case)
* message-bytes
*/
byte[] msg = [cast(byte)1,(cast(byte)sender.getUsername().length)]~cast(byte[])sender.getUsername()~cast(byte[])message;
/* Send the message to everyone else in the channel */
foreach(DConnection member; members)

85
source/dnetd/dconnection.d
View File

@ -19,6 +19,7 @@ import dnetd.dserver : DServer;
import std.string : split;
import dnetd.dchannel : DChannel;
import std.conv : to;
import std.stdio : writeln;
public class DConnection : Thread
{
@ -145,7 +146,60 @@ public class DConnection : Thread
return status;
}
private void commandLog(byte commandByte)
{
}
public enum Command
{
JOIN,
PART,
AUTH,
LINK,
REGISTER,
LIST,
MSG,
UNKNOWN
}
private Command getCommand(byte commandByte)
{
Command command = Command.UNKNOWN;
if(commandByte == cast(ulong)0)
{
command = Command.AUTH;
}
else if(commandByte == cast(ulong)1)
{
command = Command.LINK;
}
else if(commandByte == cast(ulong)2)
{
command = Command.REGISTER;
}
else if(commandByte == cast(ulong)3)
{
command = Command.JOIN;
}
else if(commandByte == cast(ulong)4)
{
command = Command.PART;
}
else if(commandByte == cast(ulong)6)
{
command = Command.LIST;
}
else if(commandByte == cast(ulong)7)
{
command = Command.MSG;
}
return command;
}
/**
* Process the received message
@ -163,8 +217,14 @@ public class DConnection : Thread
/* Get the command byte */
byte commandByte = message.data[0];
/* Print command info */
commandLog(commandByte);
Command command = getCommand(commandByte);
writeln(to!(string)(this)~" ~> "~to!(string)(command));
/* If `auth` command (requires: unauthed) */
if(commandByte == 0 && !hasAuthed)
if(command == Command.AUTH && !hasAuthed)
{
/* Get the length of the username */
byte usernameLength = message.data[1];
@ -192,7 +252,7 @@ public class DConnection : Thread
writeSocket(tag, reply);
}
/* If `link` command (requires: unauthed) */
else if(commandByte == 1 && !hasAuthed)
else if(command == Command.LINK && !hasAuthed)
{
/* TODO: Implement me later */
@ -201,24 +261,23 @@ public class DConnection : Thread
connType = ConnectionType.SERVER;
}
/* If `register` command (requires: unauthed, client) */
else if(commandByte == 2 && !hasAuthed && connType == ConnectionType.CLIENT)
else if(command == Command.REGISTER && !hasAuthed && connType == ConnectionType.CLIENT)
{
}
/* If `join` command (requires: authed, client) */
else if(commandByte == 3 && hasAuthed && connType == ConnectionType.CLIENT)
else if(command == Command.JOIN && hasAuthed && connType == ConnectionType.CLIENT)
{
/* Get the channel names */
string channelList = cast(string)message.data[1..message.data.length];
string[] channels = split(channelList, ",");
import std.stdio;
writeln("channelList length"~to!(string)(channelList.length));
/**
* Loop through each channel, check if it
* exists, if so join it, else create it
* and then join it
*/
bool isPresentInfo = false;
foreach(string channelName; channels)
{
/* Attempt to find the channel */
@ -234,18 +293,18 @@ public class DConnection : Thread
}
/* Join the channel */
channel.join(this);
isPresentInfo = channel.join(this);
}
/* TODO: Do reply */
/* Encode the reply */
byte[] reply = [true];
byte[] reply = [isPresentInfo];
/* TODO: Implement me, use return value */
writeSocket(tag, reply);
}
/* If `part` command (requires: authed, client) */
else if(commandByte == 4 && hasAuthed && connType == ConnectionType.CLIENT)
else if(command == Command.PART && hasAuthed && connType == ConnectionType.CLIENT)
{
/* Get the channel names */
string channelList = cast(string)message.data[1..message.data.length];
@ -275,7 +334,7 @@ public class DConnection : Thread
writeSocket(tag, reply);
}
/* If `list` command (requires: authed, client) */
else if(commandByte == 6 && hasAuthed && connType == ConnectionType.CLIENT)
else if(command == Command.LIST && hasAuthed && connType == ConnectionType.CLIENT)
{
/* Get all channels */
DChannel[] channels = server.getChannels();
@ -303,7 +362,7 @@ public class DConnection : Thread
writeSocket(tag, reply);
}
/* If `msg` command (requires: authed, client) */
else if(commandByte == 7 && hasAuthed && connType == ConnectionType.CLIENT)
else if(command == Command.MSG && hasAuthed && connType == ConnectionType.CLIENT)
{
/* Status */
bool status = true;
@ -375,7 +434,7 @@ public class DConnection : Thread
}
else
{
byte[] reply = [false];
byte[] reply = [2];
writeSocket(tag, reply);
}
}
@ -399,7 +458,7 @@ public class DConnection : Thread
public override string toString()
{
string toStr = to!(string)(connType)~"hjhf";
string toStr = "["~to!(string)(connType)~"]: ";
if(connType == ConnectionType.CLIENT)
{