Axis 7000 Integrasi Aplikasi - Halaman 5

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Axis Communications AXIS 7000 Application Integration using HTTP or FTP

Create a CInternetSession object:

CInternetSession aSession("ScanSDK");

The parameter is a string identifying the application. An application needs only one

instance of this class.

Using this object the applications can now retrieve an HTTP connection:

CHttpConnection* anHttpConnection =

Using this connection, the application can now open a request. By default, redirected

responses are handled automatically:

CHttpFile* anHttpFile =

The first parameter defines that a POST request shall be opened, the second is the

request target.

Create a query string containing the parameters:

CString aQueryString =

"\n\npage=scan&profileName=Color+low&scanNow=";

Add an HTTP header which informs the HTTP server that the request contains encoded

data:

anHttpFile->AddRequestHeaders("Content-type:

application/x-www-form-urlencoded");

Send the request:

anHttpFile->SendRequest(NULL, 0, (void*)(const

char*)aQueryString, aQueryString.GetLength());

The method will not return until a response is received from the server or after a time

out.

If the request is successful, image data will be returned. If not, an HTML page containing

error information will be returned. One way of testing what was returned is to look at the

Content-type. Its value can be retrieved by the following call:

CString aContType;

anHttpFile->QueryInfo(HTTP_QUERY_CONTENT_TYPE,

aContType);

aSession.GetHttpConnection("171.16.4.140",

anHttpConnection->OpenRequest(0,

"/user/scan/scan.shtml");

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(INTERNET_PORT) 80,

NULL, NULL);

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