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Contents 1 Inter Process Communicaton 1.1 ClientAppliaction 1.2 ServerApplication 2 External Links. 3 Internal Links.

Inter Process Communicaton

Sometime communication between two processes requires to accomplish a task. Symbian OS provides client-server architecture for IPC.

Read the following sections for more theoretical explanation.

Lets take an example of communication between two applications, ClientAppliaction and ServerApplication.

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ClientAppliaction

• Create a class and derive it from RSessionBase.
  
• Create Session with server using RSessionBase::CreateSession(). //for creating session server must be running on there side.
  
• Send messege through RSessionBase::SendReceive(). // first parameter is message id, second is message.
  
  

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ServerApplication

• Create a class and derive it from CServer2 and CSession2.
  
• Start a server using CSever2::StartL().
  
• Create a session with CServer2::NewSessionL().
  
• Receive message in CSession2::ServiceL().
  
  

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Note: For second edition use CServer,CSharableSession instead of CSever2 and CSession2.

External Links.

InterProcessCommunicationOverview And ClientServerOverview

Internal Links.

• How to create a server from scratch
• Client side implementation of a server
• Client-Server Framework