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  82. <div class="title">Client.cs</div> </div>
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  85. <a href="_client_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Client.cs</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// Author:</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// Di MERCURIO Sébastien &lt;dimercur@insa-toulouse.fr&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// Copyright (c) 2018 INSA - DGEI</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// This program is free software: you can redistribute it and/or modify</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// the Free Software Foundation, either version 3 of the License, or</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// (at your option) any later version.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">// This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment">// You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment">// along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">using</span> <a class="code" href="namespace_system.html">System</a>;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">using</span> <a class="code" href="namespace_system.html">System</a>.Net.Sockets;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">using</span> <a class="code" href="namespace_system.html">System</a>.Text;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="namespacemonitor.html"> 26</a></span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemonitor.html">monitor</a></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;{</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html"> 31</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">class </span><a class="code" href="classmonitor_1_1_client.html">Client</a></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; {</div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a326a20fe68a86757e16a6e45b8012640"> 36</a></span>&#160; <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">string</span> <a class="code" href="classmonitor_1_1_client.html#a326a20fe68a86757e16a6e45b8012640">defaultIP</a> = <span class="stringliteral">&quot;localhost&quot;</span>;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#ad0a9bfc361ccef7443625f399e67f84a"> 41</a></span>&#160; <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmonitor_1_1_client.html#ad0a9bfc361ccef7443625f399e67f84a">defaultPort</a> = 4500;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a4867b48ebfa930a80662c552f2911430"> 46</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> TcpClient <a class="code" href="classmonitor_1_1_client.html#a4867b48ebfa930a80662c552f2911430">client</a> = null;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a8de2a9e4fe2c2e896849ddd33d80d759"> 51</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> NetworkStream <a class="code" href="classmonitor_1_1_client.html#a8de2a9e4fe2c2e896849ddd33d80d759">stream</a> = null;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#acbc4cae14536eccb5297aacdadb84f29"> 56</a></span>&#160; <span class="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmonitor_1_1_client.html#acbc4cae14536eccb5297aacdadb84f29">BufferMaxSize</a> = 512;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#abd5c33a23e0fab7b369b59ac296c7762"> 61</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> byte[] <a class="code" href="classmonitor_1_1_client.html#abd5c33a23e0fab7b369b59ac296c7762">buffer</a> = <span class="keyword">new</span> byte[<a class="code" href="classmonitor_1_1_client.html#acbc4cae14536eccb5297aacdadb84f29">BufferMaxSize</a>];</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#aade32a6043e0dc629509f0e1c0112a24"> 67</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> byte[] <a class="code" href="classmonitor_1_1_client.html#aade32a6043e0dc629509f0e1c0112a24">receiveBuffer</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#afbbf4cf14d1a11747f6103e726dee77e"> 69</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classmonitor_1_1_client.html#afbbf4cf14d1a11747f6103e726dee77e">initialReceiveBufferIndex</a> = 0;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a2ddb7073c4bf8a42c231939d5c21d68e"> 74</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> StringBuilder <a class="code" href="classmonitor_1_1_client.html#a2ddb7073c4bf8a42c231939d5c21d68e">message</a> = <span class="keyword">new</span> StringBuilder();</div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a7083940b8fea9df2b080e3844549e805"> 75</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classmonitor_1_1_client.html#a7083940b8fea9df2b080e3844549e805">newLength</a> = 1;</div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a7eb13840c83beb2ab191cae3ba3210c9"> 76</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classmonitor_1_1_client.html#a7eb13840c83beb2ab191cae3ba3210c9">packetCounter</a> = 0;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">public</span> delegate <span class="keywordtype">void</span> <a class="code" href="classmonitor_1_1_client.html#ae85f4aa567a41488d5c65e470ae15378">ReadEvent</a>(<span class="keywordtype">string</span> msg, byte[] buffer);</div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a01cb2a551d81fd82d2f7015e177f0f18"> 82</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <a class="code" href="classmonitor_1_1_client.html#ae85f4aa567a41488d5c65e470ae15378">ReadEvent</a> <a class="code" href="classmonitor_1_1_client.html#a01cb2a551d81fd82d2f7015e177f0f18">readEvent</a> = null;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#af802cd428aa08b9604e2246f11e1fe61"> 89</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmonitor_1_1_client.html#af802cd428aa08b9604e2246f11e1fe61">Open</a>(<span class="keywordtype">string</span> host)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classmonitor_1_1_client.html">Client</a>.<a class="code" href="classmonitor_1_1_client.html#af802cd428aa08b9604e2246f11e1fe61">Open</a>(host, defaultPort);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#aee6f8f594a9496600b78c37d6da457d4"> 100</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmonitor_1_1_client.html#aee6f8f594a9496600b78c37d6da457d4">Open</a>(<span class="keywordtype">string</span> host, <span class="keywordtype">int</span> port)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordtype">bool</span> status = <span class="keyword">true</span>;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; client = <span class="keyword">new</span> TcpClient(host, port);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; stream = client.GetStream();</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="comment">// Start reading tcp stream and call &quot;ReadCallback&quot; method when newLength data</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="comment">// will be received</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="comment">// initially, &quot;newLength&quot; is equal to 1, so first call to ReadCallback</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment">// will be done after reception of 1 byte.</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// received data are stored in buffer</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="comment">// Next reading will be done in ReadCallback method</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; stream.BeginRead(buffer, 0, newLength, <span class="keyword">new</span> AsyncCallback(<a class="code" href="classmonitor_1_1_client.html#a8dd2eb26c164d0f566dd6c679ba340e0">ReadCallback</a>), message);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">catch</span> (ArgumentNullException e)</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; Console.WriteLine(<span class="stringliteral">&quot;ArgumentNullException: &quot;</span> + e);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; status = <span class="keyword">false</span>;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">catch</span> (SocketException e)</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; Console.WriteLine(<span class="stringliteral">&quot;SocketException: &quot;</span> + e.ToString());</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; status = <span class="keyword">false</span>;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordflow">catch</span> (Exception e)</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; Console.WriteLine(<span class="stringliteral">&quot;Unknown Exception: &quot;</span> + e.ToString());</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; status = <span class="keyword">false</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; }</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#ae6c0cbe19d622b008fd1f6d01d9cb315"> 141</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classmonitor_1_1_client.html#ae6c0cbe19d622b008fd1f6d01d9cb315">Close</a>()</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">if</span> (stream != null) stream.Close();</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">if</span> (client != null) client.Close();</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a8dd2eb26c164d0f566dd6c679ba340e0"> 151</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classmonitor_1_1_client.html#a8dd2eb26c164d0f566dd6c679ba340e0">ReadCallback</a>(IAsyncResult ar)</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">if</span> (client.Connected)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordtype">int</span> bytesRead;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="comment">// Termintae read operation, and get number of byte stored in buffer</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; bytesRead = stream.EndRead(ar);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; }</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordflow">catch</span> (ObjectDisposedException e)</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; Console.WriteLine(<span class="stringliteral">&quot;Connection to server dropped: &quot;</span> + e.ToString());</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span>;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; newLength = 1;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="comment">// if number of byte read is not 0, concatenate string and buffer</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">if</span> (bytesRead &gt; 0)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; packetCounter++;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keywordflow">if</span> (packetCounter &gt;= 3)</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="comment">//Console.WriteLine(&quot;Supplementary packet &quot; + packetCounter);</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; }</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="comment">// Append new data to current string (expecting data are ascii)</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; message.Append(Encoding.ASCII.GetString(buffer, 0, bytesRead));</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="comment">// Similarly, append received bytes to current buffer </span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keywordflow">if</span> (receiveBuffer == null) receiveBuffer = <span class="keyword">new</span> byte[bytesRead];</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keywordflow">else</span> Array.Resize&lt;byte&gt;(ref <a class="code" href="classmonitor_1_1_client.html#aade32a6043e0dc629509f0e1c0112a24">receiveBuffer</a>, initialReceiveBufferIndex + bytesRead); <span class="comment">// resize currrent buffer</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <a class="code" href="namespace_system.html">System</a>.Buffer.BlockCopy(buffer, 0, receiveBuffer, initialReceiveBufferIndex, bytesRead); <span class="comment">// and add received data</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; initialReceiveBufferIndex = receiveBuffer.Length; <span class="comment">// move last index of current buffer</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="comment">// if it remains received data, prepare for a new reading (get another buffer to append to current one)</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordflow">if</span> (client.Available &gt; 0)</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; {</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; newLength = client.Available;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="keywordflow">if</span> (newLength &gt; BufferMaxSize) newLength = <a class="code" href="classmonitor_1_1_client.html#acbc4cae14536eccb5297aacdadb84f29">BufferMaxSize</a>;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordflow">else</span> newLength = client.Available;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; {</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="comment">// no more data to read, buffer and string can be send to upper level</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; readEvent?.Invoke(message.ToString(), <a class="code" href="classmonitor_1_1_client.html#aade32a6043e0dc629509f0e1c0112a24">receiveBuffer</a>);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; message.Clear();</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; receiveBuffer = null;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; initialReceiveBufferIndex = 0;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; packetCounter = 0;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="comment">// Prepare for reading new data</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; stream.BeginRead(buffer, 0, newLength, <span class="keyword">new</span> AsyncCallback(<a class="code" href="classmonitor_1_1_client.html#a8dd2eb26c164d0f566dd6c679ba340e0">ReadCallback</a>), message);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; }</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;</div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classmonitor_1_1_client.html#a081413295e7a96662b39b2ddec854b02"> 219</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classmonitor_1_1_client.html#a081413295e7a96662b39b2ddec854b02">Write</a>(<span class="keywordtype">string</span> mes)</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordflow">if</span> (client.Connected)</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; byte[] writeBuffer = Encoding.UTF8.GetBytes(mes);</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; stream.Write(writeBuffer, 0, mes.Length);</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; }</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; }</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;}</div><div class="ttc" id="classmonitor_1_1_client_html_abd5c33a23e0fab7b369b59ac296c7762"><div class="ttname"><a href="classmonitor_1_1_client.html#abd5c33a23e0fab7b369b59ac296c7762">monitor.Client.buffer</a></div><div class="ttdeci">static byte [] buffer</div><div class="ttdoc">Internal buffer used when reading data from server </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00061">Client.cs:61</a></div></div>
  86. <div class="ttc" id="classmonitor_1_1_client_html_a7eb13840c83beb2ab191cae3ba3210c9"><div class="ttname"><a href="classmonitor_1_1_client.html#a7eb13840c83beb2ab191cae3ba3210c9">monitor.Client.packetCounter</a></div><div class="ttdeci">static int packetCounter</div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00076">Client.cs:76</a></div></div>
  87. <div class="ttc" id="classmonitor_1_1_client_html_afbbf4cf14d1a11747f6103e726dee77e"><div class="ttname"><a href="classmonitor_1_1_client.html#afbbf4cf14d1a11747f6103e726dee77e">monitor.Client.initialReceiveBufferIndex</a></div><div class="ttdeci">static int initialReceiveBufferIndex</div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00069">Client.cs:69</a></div></div>
  88. <div class="ttc" id="classmonitor_1_1_client_html_ad0a9bfc361ccef7443625f399e67f84a"><div class="ttname"><a href="classmonitor_1_1_client.html#ad0a9bfc361ccef7443625f399e67f84a">monitor.Client.defaultPort</a></div><div class="ttdeci">const int defaultPort</div><div class="ttdoc">Default server port number </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00041">Client.cs:41</a></div></div>
  89. <div class="ttc" id="classmonitor_1_1_client_html_a4867b48ebfa930a80662c552f2911430"><div class="ttname"><a href="classmonitor_1_1_client.html#a4867b48ebfa930a80662c552f2911430">monitor.Client.client</a></div><div class="ttdeci">static TcpClient client</div><div class="ttdoc">Tcp client object </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00046">Client.cs:46</a></div></div>
  90. <div class="ttc" id="classmonitor_1_1_client_html_a081413295e7a96662b39b2ddec854b02"><div class="ttname"><a href="classmonitor_1_1_client.html#a081413295e7a96662b39b2ddec854b02">monitor.Client.Write</a></div><div class="ttdeci">static void Write(string mes)</div><div class="ttdoc">Write a string to server </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00219">Client.cs:219</a></div></div>
  91. <div class="ttc" id="classmonitor_1_1_client_html_aade32a6043e0dc629509f0e1c0112a24"><div class="ttname"><a href="classmonitor_1_1_client.html#aade32a6043e0dc629509f0e1c0112a24">monitor.Client.receiveBuffer</a></div><div class="ttdeci">static byte [] receiveBuffer</div><div class="ttdoc">buffer containing received message from TCP server Used to concatenate internal buffers into one ...</div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00067">Client.cs:67</a></div></div>
  92. <div class="ttc" id="namespace_system_html"><div class="ttname"><a href="namespace_system.html">System</a></div></div>
  93. <div class="ttc" id="classmonitor_1_1_client_html_acbc4cae14536eccb5297aacdadb84f29"><div class="ttname"><a href="classmonitor_1_1_client.html#acbc4cae14536eccb5297aacdadb84f29">monitor.Client.BufferMaxSize</a></div><div class="ttdeci">const int BufferMaxSize</div><div class="ttdoc">Size of internal buffer used when reading data from server </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00056">Client.cs:56</a></div></div>
  94. <div class="ttc" id="classmonitor_1_1_client_html_a8de2a9e4fe2c2e896849ddd33d80d759"><div class="ttname"><a href="classmonitor_1_1_client.html#a8de2a9e4fe2c2e896849ddd33d80d759">monitor.Client.stream</a></div><div class="ttdeci">static NetworkStream stream</div><div class="ttdoc">Stream object used for communication </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00051">Client.cs:51</a></div></div>
  95. <div class="ttc" id="classmonitor_1_1_client_html_a326a20fe68a86757e16a6e45b8012640"><div class="ttname"><a href="classmonitor_1_1_client.html#a326a20fe68a86757e16a6e45b8012640">monitor.Client.defaultIP</a></div><div class="ttdeci">const string defaultIP</div><div class="ttdoc">Default server name </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00036">Client.cs:36</a></div></div>
  96. <div class="ttc" id="classmonitor_1_1_client_html_ae85f4aa567a41488d5c65e470ae15378"><div class="ttname"><a href="classmonitor_1_1_client.html#ae85f4aa567a41488d5c65e470ae15378">monitor.Client.ReadEvent</a></div><div class="ttdeci">delegate void ReadEvent(string msg, byte[] buffer)</div><div class="ttdoc">Callback to send received message to upper level </div></div>
  97. <div class="ttc" id="classmonitor_1_1_client_html_a2ddb7073c4bf8a42c231939d5c21d68e"><div class="ttname"><a href="classmonitor_1_1_client.html#a2ddb7073c4bf8a42c231939d5c21d68e">monitor.Client.message</a></div><div class="ttdeci">static StringBuilder message</div><div class="ttdoc">String containing received message from tcp server </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00074">Client.cs:74</a></div></div>
  98. <div class="ttc" id="classmonitor_1_1_client_html_a7083940b8fea9df2b080e3844549e805"><div class="ttname"><a href="classmonitor_1_1_client.html#a7083940b8fea9df2b080e3844549e805">monitor.Client.newLength</a></div><div class="ttdeci">static int newLength</div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00075">Client.cs:75</a></div></div>
  99. <div class="ttc" id="classmonitor_1_1_client_html_aee6f8f594a9496600b78c37d6da457d4"><div class="ttname"><a href="classmonitor_1_1_client.html#aee6f8f594a9496600b78c37d6da457d4">monitor.Client.Open</a></div><div class="ttdeci">static bool Open(string host, int port)</div><div class="ttdoc">Open connection to server &quot;host&quot;, with port number &quot;port&quot; </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00100">Client.cs:100</a></div></div>
  100. <div class="ttc" id="namespacemonitor_html"><div class="ttname"><a href="namespacemonitor.html">monitor</a></div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00026">Client.cs:26</a></div></div>
  101. <div class="ttc" id="classmonitor_1_1_client_html_af802cd428aa08b9604e2246f11e1fe61"><div class="ttname"><a href="classmonitor_1_1_client.html#af802cd428aa08b9604e2246f11e1fe61">monitor.Client.Open</a></div><div class="ttdeci">static bool Open(string host)</div><div class="ttdoc">Open connection to server &quot;host&quot;, on default port number. </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00089">Client.cs:89</a></div></div>
  102. <div class="ttc" id="classmonitor_1_1_client_html"><div class="ttname"><a href="classmonitor_1_1_client.html">monitor.Client</a></div><div class="ttdoc">Static class for TCP client </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00031">Client.cs:31</a></div></div>
  103. <div class="ttc" id="classmonitor_1_1_client_html_ae6c0cbe19d622b008fd1f6d01d9cb315"><div class="ttname"><a href="classmonitor_1_1_client.html#ae6c0cbe19d622b008fd1f6d01d9cb315">monitor.Client.Close</a></div><div class="ttdeci">static void Close()</div><div class="ttdoc">Close connection to server </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00141">Client.cs:141</a></div></div>
  104. <div class="ttc" id="classmonitor_1_1_client_html_a01cb2a551d81fd82d2f7015e177f0f18"><div class="ttname"><a href="classmonitor_1_1_client.html#a01cb2a551d81fd82d2f7015e177f0f18">monitor.Client.readEvent</a></div><div class="ttdeci">static ReadEvent readEvent</div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00082">Client.cs:82</a></div></div>
  105. <div class="ttc" id="classmonitor_1_1_client_html_a8dd2eb26c164d0f566dd6c679ba340e0"><div class="ttname"><a href="classmonitor_1_1_client.html#a8dd2eb26c164d0f566dd6c679ba340e0">monitor.Client.ReadCallback</a></div><div class="ttdeci">static void ReadCallback(IAsyncResult ar)</div><div class="ttdoc">Callback call by stream.BeginRead after reception of newLength data </div><div class="ttdef"><b>Definition:</b> <a href="_client_8cs_source.html#l00151">Client.cs:151</a></div></div>
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