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POneed help reading/parsing TCP network code c++
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  1. POneed help reading/parsing TCP network code c++
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    copied!<p>i have an application which tracks body movement, it can also act like a server to send the body tracking data out via TCP. My Client connects to the server and gets the data.</p> <p>Before the data is send to a client something like this happens :</p> <pre><code>MTBF v10 = bodyPose2MTBF_v10(pose, m_startup, m_stream_position, 1); ss &lt;&lt; v10.get(); m_body_tracking_server-&gt;send(ss); </code></pre> <p>where the pose has all the information like position of the head as a vector, leg, shoulder position etc..SS is a new stringstream, and with v10.get() the stream is filled with the pose as a string. In the send method the stringstream(ss) is sent to the client.</p> <p>In my client i get the stringstream. I also converted it back to mtbf. The problem is, the code is not from me, so i dont understand it all. When the pose is converted to mtbf something like this happens :</p> <pre><code>data.addFlag(0); data &lt;&lt; torso.x() &lt;&lt; torso.y() &lt;&lt; torso.z(); sensorConfig |= MTBFData_0_4::RightArmPosition; data.addFlag(1); . . . </code></pre> <p>I get that it is adding a "flag" so that i can recognize the torso for example, followed by the x y and z coordinates of the torso. but the add flag method looks like this :</p> <pre><code>addFlag(unsigned char n) { m_flag |= (1i64 &lt;&lt; n); m_buf.replace(7+8, 8, reinterpret_cast&lt;char*&gt;(&amp;m_flag), 8); return *this; } </code></pre> <p>What exactly does this method?? shifting some stuff and reinterpret the char...i really need help to understand this! thank you!</p>
 

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