UnSubscribeReq(ClientConnectionId id, ProcessId publisher, ProcessId subscriber, ClientConnection connection)
{
Id = id;
Publisher = publisher;
Subscriber = subscriber;
Connection = connection;
}
ClientConnection(ClientConnectionId id, Map <ProcessId, Lst <Subscriber> > subscriptions, DateTime lastAccess, Action <ClientMessageDTO> tell)
{
Id = id;
this.subscriptions = subscriptions;
this.lastAccess = lastAccess;
Tell = tell;
}
public static Either <string, Req> Create(ClientConnectionId id, ClientMessageId msgId, ProcessId to, ProcessId sender, string msg, Map <ClientConnectionId, ClientConnection> clientConnections)
{
if (!to.IsValid)
{
return("Invalid process-id (To)");
}
var conn = clientConnections.Find(id);
if (conn.IsNone)
{
return("Invalid connection-id");
}
var msgObj = (from type in validMessageTypes(to)
let obj = Deserialise.Object(msg, type)
where obj != null
select obj)
.FirstOrDefault();
if (msgObj == null)
{
return("Message incompatible with the inbox message type");
}
return(new AskReq(id, msgId, to, sender, msgObj, conn.IfNone(() => null)));
}
AskReq(ClientConnectionId id, ClientMessageId msgId, ProcessId to, ProcessId sender, object msg, ClientConnection connection)
{
Id = id;
MessageId = msgId;
To = to;
Sender = sender;
Message = msg;
Connection = connection;
}
/// <summary>
/// Parses a client request
/// </summary>
/// <param name="msg">Text version of the request
///
/// procsys:conn
/// procsys:diss|<Connection ID>
/// procsys:tell|<Connection ID>|<Message ID>|<Process ID: To>|<Process ID: Sender>|<Message JSON>
/// procsys:ask|<Connection ID>|<Message ID>|<Process ID: To>|<Process ID: Sender>|<Message JSON>
/// procsys:ping|<Connection ID>
/// procsys:sub|<Connection ID>|<Process ID: Publisher>|<Process ID: Subscriber>
/// procsys:usub|<Connection ID>|<Process ID: Publisher>|<Process ID: Subscriber>
///
/// </param>
/// <returns></returns>
public static Either <string, Req> Parse(string msg, string remoteIp, Map <ClientConnectionId, ClientConnection> activeConnections)
{
try
{
var parse = new BarParse(msg);
return(from hdr in parse.Header()
from typ in parse.GetNext()
from res in typ == "tell" ? from connid in parse.GetConnectionId(remoteIp)
from msgid in parse.GetMessageId()
from to in parse.GetProcessId()
from sender in parse.GetProcessId()
from body in parse.GetRemaining()
select TellReq.Create(connid, msgid, to, sender, body, activeConnections)
: typ == "ask" ? from connid in parse.GetConnectionId(remoteIp)
from msgid in parse.GetMessageId()
from to in parse.GetProcessId()
from sender in parse.GetProcessId()
from body in parse.GetRemaining()
select AskReq.Create(connid, msgid, to, sender, body, activeConnections)
: typ == "conn" ? Right <string, Req>(ConnectReq.Default)
: typ == "diss" ? DisconnectReq.Create(ClientConnectionId.New(parse.GetNextText()), activeConnections)
: typ == "sub" ? from connid in parse.GetConnectionId(remoteIp)
from pub in parse.GetProcessId()
from sub in parse.GetProcessId()
select SubscribeReq.Create(connid, pub, sub, activeConnections)
: typ == "usub" ? from connid in parse.GetConnectionId(remoteIp)
from pub in parse.GetProcessId()
from sub in parse.GetProcessId()
select UnSubscribeReq.Create(connid, pub, sub, activeConnections)
: typ == "ping" ? PingReq.Create(ClientConnectionId.New(parse.GetNextText()), activeConnections)
: Left <string, Req>("Invalid request")
from req in res
select req);
}
catch (Exception e)
{
logErr(e);
return("Invalid request");
}
}
public static Either <string, Req> Create(ClientConnectionId id, ProcessId publisher, ProcessId subscriber, Map <ClientConnectionId, ClientConnection> clientConnections)
{
if (!publisher.IsValid)
{
return("Invalid publisher-id");
}
if (!subscriber.IsValid)
{
return("Invalid subscriber-id");
}
var conn = clientConnections.Find(id);
if (conn.IsNone)
{
return("Invalid connection-id");
}
return(new UnSubscribeReq(id, publisher, subscriber, conn.IfNone(() => null)));
}
public static ClientConnection New(ClientConnectionId id, Action <ClientMessageDTO> tell) => new ClientConnection(id, Map <ProcessId, Lst <Subscriber> >(), DateTime.UtcNow, tell);
public static Either <string, Req> Create(ClientConnectionId id, Map <ClientConnectionId, ClientConnection> clientConnections) =>
clientConnections.Find(id).Map(x => new DisconnectReq(id, x) as Req)
.ToEither("Invalid connection-id");
DisconnectReq(ClientConnectionId id, ClientConnection connection)
{
Id = id;
Connection = connection;
}