Chat System

This is a simple "chat" application, using the C/S architectural model.

Usage

# server defaults to 4444
java -jar chatserver.jar

# OR accept custom port with flag -p
java -jar chatserver.jar -p 6666

# client takes hostname as first arg and defaults to 4444
java -jar chatclient.jar localhost

# OR takes hostname as first arg AND accepts port argument with flag -p
java -jar chatclient.jar localhost -p 6666

Commands

#identitychange [new identity]
#join [room]
#who [room]
#list
#createroom [room]
#deleteroom [room]
#quit

Protocols

Please go here for more information of protocols.

Wire

Types

identity: [a-zA-Z0-9]{3,16}
string: char[]
i32: int

C2S

identitychange

{
    "type": "identitychange",
    "identity": identity
}

join

{
    "type":"join",
    "roomid": string
}

who

{
    "type":"who",
    "roomid": string
}

list

{
    "type":"list"
}

createroom

{
    "type":"createroom",
    "roomid": string
}

delete

{
    "type":"delete",
    "roomid": string
}

quit

{
    "type":"quit"
}

message

{
    "type":"message",
    "content": string
}

S2C

newidentity

{
    "type":"newidentity",
    "former": identity,
    "identity": identity
}

roomchange

{
    "type":"roomchange",
    "identity": identity,
    "former": identity,
    "roomid": string
}

roomcontents

{
    "type":"roomcontents",
    "roomid": string,
    "identities": [identity],
    "owner": identity
}

roomlist

{
    "type":"roomlist",
    "rooms": [{"roomid": string, "count": i32}]
}

message

{
    "type":"message",
    "identity": identity,
    "content": string
}