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Mono C# Examples

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(Mono C#) Debugging with Socket Session Logging

Debugging with socket session logging.

The Chilkat Socket component provides properties for keeping a session log making it possible to see the exact bytes received and sent on a TCP/IP or SSL connection. To enable session logging, set the KeepSessionLog property = true. The SessionLogEncoding property controls how binary, non-printable bytes are represented in the log. There are two possible settings: Possible values are "esc" and "hex". The default value is "esc".

When set to "hex", the bytes are encoded as a hexidecimalized string. The "esc" encoding is a C-string like encoding, and is more compact than hex if most of the data to be logged is text. Printable us-ascii chars are unmodified. Common "C" control chars are represented as "\r", "\n", "\t", etc. Non-printable and byte values greater than 0x80 are escaped using a backslash and hex encoding: \xHH. Certain printable chars are backslashed: SPACE, double-quote, single-quote, etc.

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Socket socket = new Chilkat.Socket();

// Enable session logging:
socket.KeepSessionLog = true;
socket.SessionLogEncoding = "esc";

// To demonstrate session logging, we'll connect to an
// HTTP server and download the HTTP response header:
bool ssl = false;
int maxWaitMillisec = 20000;
bool success = socket.Connect("www.chilkatsoft.com",80,ssl,maxWaitMillisec);
if (success != true) {
    Debug.WriteLine(socket.LastErrorText);
    return;
}

// Set maximum timeouts for reading an writing (in millisec)
socket.MaxReadIdleMs = 10000;
socket.MaxSendIdleMs = 10000;

// The socket component includes a BuildHttpGetRequest
// method for convenience. Build a GET and send it to 
// the web server:
string httpGet;
httpGet = socket.BuildHttpGetRequest("http://www.chilkatsoft.com/");

// Send it...
success = socket.SendString(httpGet);
if (success != true) {
    Debug.WriteLine(socket.LastErrorText);
    return;
}

// Read the response up to the first double CRLF:
string httpHeader = socket.ReceiveUntilMatch("\r\n\r\n");
if (socket.LastMethodSuccess != true) {
    Debug.WriteLine(socket.LastErrorText);
    return;
}

// Close the connection with the server
// Wait a max of 20 seconds (20000 millsec)
success = socket.Close(20000);

// Display the session log:
Debug.WriteLine(socket.SessionLog);

// Show the HTTP response header:
Debug.WriteLine(httpHeader);

 

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