class TCPSession

Threaded streamable socket with non-blocking constructor. More...

Definition#include <socket.h>
InheritsTCPStream, Thread
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Detailed Description

The TCP session is used to primarily to represent a client connection that can be managed on a seperate thread. The TCP session also supports a non-blocking connection scheme which prevents blocking during the constructor and moving the process of completing a connection into the thread that executes for the session.

int WaitConnection (timeout_t timeout = ~0)
[protected]

Normally called during the thread Initial() method by default, this will wait for the socket connection to complete when connecting to a remote socket. One might wish to use setCompletion() to change the socket back to blocking I/O calls after the connection completes. To implement the session one must create a derived class which implements Run().

Parameters:
timeoutto wait for completion in milliseconds.

Returns: 0 if successful, -1 if timed out.

void Initial (void)
[protected]

The initial method is used to esablish a connection when delayed completion is used. This assures the constructor terminates without having to wait for a connection request to complete.

Reimplemented from Thread

void Final (void)
[protected]

TCPSession derived objects can be freely created with "new" and safely terminate their "Run" method on their own by self-deleting when the thread terminates.

Reimplemented from Thread

TCPSession (Semaphore *start, InetHostAddress &host, short port, int size = 512, int pri = 0, int stack = 0)

Create a TCP socket that will be connected to a remote TCP server and that will execute under it's own thread.

Parameters:
startsemaphore as per Thread startup.
hostinternet address of remote TCP server.
portnumber of remote server.
sizeof streaming buffer.
priexecution priority relative to parent.
stackallocation needed on some platforms.

TCPSession (Semaphore *start, TCPSocket &server, int size = 512, int pri = 0, int stack = 0)

Create a TCP socket from a bound TCP server by accepting a pending connection from that server and execute a thread for the accepted connection.

Parameters:
startsemapore as per Thread startup.
servertcp socket to accept a connection from.
sizeof streaming buffer.
priexecution priority relative to parent.
stackallocation needed on some platforms.