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<a href="XrdClBuffer_8hh.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright (c) 2011-2012 by European Organization for Nuclear Research (CERN)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Author: Lukasz Janyst <ljanyst@cern.ch></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// XRootD is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// it under the terms of the GNU Lesser General Public License as published by</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// (at your option) any later version.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">//</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// XRootD is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// GNU General Public License for more details.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">//</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// along with XRootD. If not, see <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef __XRD_CL_BUFFER_HH__</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define __XRD_CL_BUFFER_HH__</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <cstdlib></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <new></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <cstring></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>XrdCl</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span> <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html"> 33</a></span>  <span class="keyword">class </span><a class="code" href="classXrdCl_1_1Buffer.html" title="Binary blob representation.">Buffer</a></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a1b1fc5b1209e75e1f77f6c19b01853e6"> 39</a></span>  <a class="code" href="classXrdCl_1_1Buffer.html#a1b1fc5b1209e75e1f77f6c19b01853e6" title="Constructor.">Buffer</a>( uint32_t size = 0 ): <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>(0), <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a>(0), <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a>(0)</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">if</span>( size )</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a44b8170b069e1f1e3b06d037142f55b6" title="Allocate the buffer.">Allocate</a>( size );</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#ac58572c4f5bff25419bec9ce0e06d173"> 50</a></span>  <span class="keyword">virtual</span> <a class="code" href="classXrdCl_1_1Buffer.html#ac58572c4f5bff25419bec9ce0e06d173" title="Destructor.">~Buffer</a>() { <a class="code" href="classXrdCl_1_1Buffer.html#a06789d2b3fa254563e5c1128327a68e3" title="Free the buffer.">Free</a>(); }</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#ac2285c0995403eb2ff113305741c39db"> 55</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdCl_1_1Buffer.html#ac2285c0995403eb2ff113305741c39db" title="Get the message buffer.">GetBuffer</a>( uint32_t offset = 0 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>+offset;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a113fc165087c026862526e22a6248c66"> 63</a></span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdCl_1_1Buffer.html#ac2285c0995403eb2ff113305741c39db" title="Get the message buffer.">GetBuffer</a>( uint32_t offset = 0 )</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>+offset;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a405c3028bd0b7dcfa4fe82b471b380a9"> 71</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a405c3028bd0b7dcfa4fe82b471b380a9" title="Reallocate the buffer to a new location of a given size.">ReAllocate</a>( uint32_t size )</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> = (<span class="keywordtype">char</span> *)realloc( <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>, size );</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span>( !<a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> )</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">throw</span> std::bad_alloc();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a> = size;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a06789d2b3fa254563e5c1128327a68e3"> 82</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a06789d2b3fa254563e5c1128327a68e3" title="Free the buffer.">Free</a>()</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  free( <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> );</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> = 0;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a> = 0;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a> = 0;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a44b8170b069e1f1e3b06d037142f55b6"> 93</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a44b8170b069e1f1e3b06d037142f55b6" title="Allocate the buffer.">Allocate</a>( uint32_t size )</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span>( !size )</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> = (<span class="keywordtype">char</span> *)malloc( size );</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span>( !<a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> )</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">throw</span> std::bad_alloc();</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a> = size;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a2649d860de46530990a2119fb06cc1e8"> 107</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a2649d860de46530990a2119fb06cc1e8" title="Zero.">Zero</a>()</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  memset( <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>, 0, <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a> );</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a22b005d4251a3f24a59dcf5693dbce4e"> 115</a></span>  uint32_t <a class="code" href="classXrdCl_1_1Buffer.html#a22b005d4251a3f24a59dcf5693dbce4e" title="Get the size of the message.">GetSize</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a>;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#acfd54c2808691f89a052a8d2b954cc74"> 123</a></span>  uint32_t <a class="code" href="classXrdCl_1_1Buffer.html#acfd54c2808691f89a052a8d2b954cc74" title="Get append cursor.">GetCursor</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a>;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a81737491e8c5846c3dfaa789faa3daab"> 131</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a81737491e8c5846c3dfaa789faa3daab" title="Set the cursor.">SetCursor</a>( uint32_t cursor )</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a> = cursor;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a21d6231e56ce6457ea1e95dd9ae75988"> 139</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a21d6231e56ce6457ea1e95dd9ae75988" title="Advance the cursor.">AdvanceCursor</a>( uint32_t delta )</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a> += delta;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a3a3ea78dfb2fe5ea0f92b9d0bfff8ccd"> 147</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a3a3ea78dfb2fe5ea0f92b9d0bfff8ccd" title="Append data at the position pointed to by the append cursor.">Append</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> *buffer, uint32_t size )</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  uint32_t remaining = <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a>-<a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a>;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span>( remaining < size )</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a405c3028bd0b7dcfa4fe82b471b380a9" title="Reallocate the buffer to a new location of a given size.">ReAllocate</a>( pCursor+size );</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  memcpy( <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>+pCursor, buffer, size );</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  pCursor += size;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#aaf64d0a1c76af11a8801ab99b4b5cf48"> 160</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a3a3ea78dfb2fe5ea0f92b9d0bfff8ccd" title="Append data at the position pointed to by the append cursor.">Append</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> *buffer, uint32_t size, uint32_t offset )</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  uint32_t remaining = <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a>-offset;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span>( remaining < size )</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a405c3028bd0b7dcfa4fe82b471b380a9" title="Reallocate the buffer to a new location of a given size.">ReAllocate</a>( offset+size );</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  memcpy( <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>+offset, buffer, size );</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#ab1605abe64f1f7ef3119d45551fd3a61"> 172</a></span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdCl_1_1Buffer.html#ab1605abe64f1f7ef3119d45551fd3a61" title="Get the buffer pointer at the append cursor.">GetBufferAtCursor</a>()</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> <a class="code" href="classXrdCl_1_1Buffer.html#ac2285c0995403eb2ff113305741c39db" title="Get the message buffer.">GetBuffer</a>( <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a> );</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a9dfe21a207df9082f5e4b0892d39ab2a"> 180</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdCl_1_1Buffer.html#ab1605abe64f1f7ef3119d45551fd3a61" title="Get the buffer pointer at the append cursor.">GetBufferAtCursor</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> <a class="code" href="classXrdCl_1_1Buffer.html#ac2285c0995403eb2ff113305741c39db" title="Get the message buffer.">GetBuffer</a>( <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a> );</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a1565334ce3b7cf2b9d3c8dc076fc8ec7"> 188</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a1565334ce3b7cf2b9d3c8dc076fc8ec7" title="Fill the buffer from a string.">FromString</a>( <span class="keyword">const</span> std::string str )</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a405c3028bd0b7dcfa4fe82b471b380a9" title="Reallocate the buffer to a new location of a given size.">ReAllocate</a>( str.length()+1 );</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  memcpy( <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>, str.c_str(), str.length() );</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>[str.length()] = 0;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a4d0feb99633e36f031ce2d012a2d5d80"> 198</a></span>  std::string <a class="code" href="classXrdCl_1_1Buffer.html#a4d0feb99633e36f031ce2d012a2d5d80" title="Convert the buffer to a string.">ToString</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">char</span> *bf = <span class="keyword">new</span> <span class="keywordtype">char</span>[<a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a>+1];</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  bf[<a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a>] = 0;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  memcpy( bf, <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>, <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a> );</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  std::string tmp = bf;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">delete</span> [] bf;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> tmp;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a2284317697650bdb0d2b71bfe0dc4a0c"> 211</a></span>  <span class="keywordtype">void</span> <a class="code" href="classXrdCl_1_1Buffer.html#a2284317697650bdb0d2b71bfe0dc4a0c" title="Grab a buffer allocated outside.">Grab</a>( <span class="keywordtype">char</span> *buffer, uint32_t size )</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a06789d2b3fa254563e5c1128327a68e3" title="Free the buffer.">Free</a>();</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> = buffer;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a> = size;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"></span> <span class="comment">//------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#afbbd83a5b7d5e0cc152b06c2dfe8fdea"> 221</a></span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdCl_1_1Buffer.html#afbbd83a5b7d5e0cc152b06c2dfe8fdea" title="Release the buffer.">Release</a>()</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">char</span> *buffer = <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a> = 0;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a> = 0;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a> = 0;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> buffer;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00231"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede"> 231</a></span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdCl_1_1Buffer.html#ad44a764fe6084ac365a9ffb59e7c7ede">pBuffer</a>;</div>
<div class="line"><a name="l00232"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58"> 232</a></span>  uint32_t <a class="code" href="classXrdCl_1_1Buffer.html#a27ded83220d997f91d9e49a82ed33e58">pSize</a>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583"> 233</a></span>  uint32_t <a class="code" href="classXrdCl_1_1Buffer.html#a5ef43bbd599f96ef205e257effdf8583">pCursor</a>;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  };</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#endif // __XRD_CL_BUFFER_HH__</span></div>
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