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POConverting string to bytes and send() it
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  1. POConverting string to bytes and send() it
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    copied!<p>I'm making a packet sender.</p> <p>Where the user can input the packet they want to send on a RichTextBox.</p> <pre><code>this-&gt;packetdata = (gcnew System::Windows::Forms::RichTextBox()); </code></pre> <p>Sample input:</p> <pre><code>03 00 00 13 0e e0 00 00 00 00 00 01 00 08 00 00 00 00 00 03 00 00 6a 02 f0 80 7f 65 82 00 5e 04 01 01 04 01 01 01 01 ff </code></pre> <p>The server should receive:</p> <pre><code>03 00 00 13 0e e0 00 00 00 00 00 01 00 08 00 00 00 00 00 03 00 00 6a 02 f0 80 7f 65 82 00 5e 04 01 01 04 01 01 01 01 ff </code></pre> <p>But the server is receiving this instead:</p> <pre><code>30 33 20 30 30 20 30 30 20 31 33 20 30 65 20 65 03 00 00 13 0e e 30 20 30 30 20 30 30 20 30 30 20 30 30 20 30 30 0 00 00 00 00 00 20 30 31 20 30 30 20 30 38 20 30 30 20 30 30 20 01 00 08 00 00 30 30 20 30 30 20 30 30 20 30 33 0a 30 30 20 30 00 00 00 03.00 0 30 20 36 61 20 30 32 20 66 30 20 38 30 20 37 66 0 6a 02 f0 80 7f 20 36 35 20 38 32 20 30 30 20 35 65 20 30 34 20 65 82 00 5e 04 30 31 20 30 31 20 30 34 20 30 31 20 30 31 20 30 01 01 04 01 01 0 31 20 30 31 20 66 66 20 1 01 ff </code></pre> <p>How do I convert the data on the <code>RichTextBox</code> to remove all space and treat each as byte and send it.</p> <p>This kind of approach works though:</p> <pre><code>char this[] = {0x03, 0x00, 0x00, 0x13, 0x0e, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03 0x00, 0x00, 0x6a, 0x02, 0xf0, 0x80, 0x7f, 0x65, 0x82, 0x00, 0x5e, 0x04, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0xff} </code></pre> <p>With that code, the server receives the correct data.</p> <p>So how do I turn the Text inside the TextBox into something like that?</p> <hr> <p>This works</p> <pre><code>int mysendfunc(char *sendbuf, int size); (...) std::string inputpkt = marshal_as&lt;std::string&gt;(this-&gt;packetdata-&gt;Text); std::istringstream reader(inputpkt); std::vector&lt;char&gt; pkt; do { // read as many numbers as possible. for (int number; reader &gt;&gt; std::hex &gt;&gt; number;) { pkt.push_back(number); } // consume and discard token from stream. if (reader.fail()) { reader.clear(); std::string token; reader &gt;&gt; token; } } while (!reader.eof()); int hehe = mysendfunc(pkt.data(), pkt.size()); </code></pre>
 

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