Difference between revisions of "Server Access"


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m (turn on wifi!)
m (→‎The Socket)
 
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= The Socket =
 
= The Socket =
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The first thing to do is add ''networking'' to the project file, so that Qt knows that we wanna work with the network model.  
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==Modify the Project File==
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The first thing to do is add ''networking'' to the project file, so that Qt knows that we wanna work with the network model. Also ''xml'' and ''svg'' will be add so that we can use svg images on the phone.
  
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When the waiter starts the orderman the application has to find out the ip adress and the port which allows the communication with the server. The port is set in the application settings and must correspond to the FOS server port specified in the server settings. The class [http://qt-project.org/doc/qt-5.1/qtnetwork/qnetworkconfigurationmanager.html#details QNetworkConfiguration] provides access to the network configurations known to the system and allows to find out the router port with the function [http://qt-project.org/doc/qt-5.1/qtnetwork/qnetworkconfigurationmanager.html#allConfigurations allConfigurations]().
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==The Client==
  
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The orderman socket implements a [http://qt-project.org/doc/qt-5.1/qtnetwork/qtcpsocket.html QTcpSocket]. The function ''Connect'' connects the application socket to the FOS server. If the communication fails the user will be asked to set the right port. The application settings and an explanation how to set the correct port will be shown. The user will also be advertised to turn on wifi.
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The orderman socket uses the class [http://qt-project.org/doc/qt-5.1/qtnetwork/qtcpsocket.html QTcpSocket] to communicate with the FOS server. If the communication fails the user will be asked to set the right FOS server ip. This ip is static and has to be set only once in the settings. The application settings and an explanation how to set the correct port will be shown. The user will also be advertised to turn on wifi and connect to the same router as the FOS server.
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The function ''Send'' sends the JSON objects to the server and the function ''Receive'' waits for the answer.
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The socket will be closed when the waiter logs out.
 
The socket will be closed when the waiter logs out.

Latest revision as of 18:10, 10 January 2014

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