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<a href="XrdOucStream_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="preprocessor">#ifndef __OOUC_STREAM__</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define __OOUC_STREAM__</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span><span class="comment">/******************************************************************************/</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">/* X r d O u c S t r e a m . h h */</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">/* */</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/* (c) 2004 by the Board of Trustees of the Leland Stanford, Jr., University */</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/* Produced by Andrew Hanushevsky for Stanford University under contract */</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">/* DE-AC02-76-SFO0515 with the Deprtment of Energy */</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">/* */</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/* This file is part of the XRootD software suite. */</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">/* */</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">/* XRootD is free software: you can redistribute it and/or modify it under */</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/* the terms of the GNU Lesser General Public License as published by the */</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">/* Free Software Foundation, either version 3 of the License, or (at your */</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">/* option) any later version. */</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> <span class="comment">/* XRootD is distributed in the hope that it will be useful, but WITHOUT */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">/* License for more details. */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">/* */</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">/* You should have received a copy of the GNU Lesser General Public License */</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">/* */</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">/* The copyright holder's institutional names and contributor's names may not */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">/* be used to endorse or promote products derived from this software without */</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">/* specific prior written permission of the institution or contributor. */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">/******************************************************************************/</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <sys/types.h></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <signal.h></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#include "XrdSys/XrdWin32.hh"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="XrdSysError_8hh.html">XrdSys/XrdSysError.hh</a>"</span></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="keyword">class </span><a class="code" href="classXrdOucEnv.html">XrdOucEnv</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="classXrdOucStream.html"> 43</a></span> <span class="keyword">class </span><a class="code" href="classXrdOucStream.html">XrdOucStream</a></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> <span class="keyword">public</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">// When creating a stream object, you may pass an optional error routing object.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// If you do so, error messages will be writen via the error object. Otherwise,</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// errors will be returned quietly.</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">//</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classXrdOucStream.html#a246536ad6ac682baabcc12da39c997ed">XrdOucStream</a>(<a class="code" href="classXrdSysError.html">XrdSysError</a> *erobj=0, <span class="keyword">const</span> <span class="keywordtype">char</span> *ifname=0,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classXrdOucEnv.html">XrdOucEnv</a> *anEnv=0, <span class="keyword">const</span> <span class="keywordtype">char</span> *Pfx=0);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a691e99a38be3a03316bd9e7a1f0efaf3"> 54</a></span>  <a class="code" href="classXrdOucStream.html#a691e99a38be3a03316bd9e7a1f0efaf3">~XrdOucStream</a>() {<a class="code" href="classXrdOucStream.html#abed46034a321f2f252ef058485e898ea">Close</a>(); <span class="keywordflow">if</span> (<a class="code" href="classXrdOucStream.html#ad17fdefbcd81c4690931ac72d7912bbb">myInst</a>) free(<a class="code" href="classXrdOucStream.html#ad17fdefbcd81c4690931ac72d7912bbb">myInst</a>);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (<a class="code" href="classXrdOucStream.html#aa5ac3f97c3489967097ff284ef99e50d">varVal</a>) <span class="keyword">delete</span> [] <a class="code" href="classXrdOucStream.html#aa5ac3f97c3489967097ff284ef99e50d">varVal</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (<a class="code" href="classXrdOucStream.html#a0e190d4979076bcf307e27acb187ce52">llBuff</a>) free(<a class="code" href="classXrdOucStream.html#a0e190d4979076bcf307e27acb187ce52">llBuff</a>);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</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> <span class="comment">// Attach a file descriptor to an existing stream. Any curently associated</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// stream is closed and detached. An optional buffer size can be specified.</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// Zero is returned upon success, otherwise a -1 (use LastError to get rc).</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">//</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a8f5529515d28f1e4be311194be2c1500">Attach</a>(<span class="keywordtype">int</span> FileDescriptor, <span class="keywordtype">int</span> bsz=2047);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a964efd2c5c30fa5ca694090e6c45a82d">AttachIO</a>(<span class="keywordtype">int</span> infd, <span class="keywordtype">int</span> outfd, <span class="keywordtype">int</span> bsz=2047);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// Close the current stream and release the associated buffer.</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">//</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keywordtype">void</span> <a class="code" href="classXrdOucStream.html#abed46034a321f2f252ef058485e898ea">Close</a>(<span class="keywordtype">int</span> hold=0);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// Detach a file descriptor from a stream. This should be called prior to</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// close/delete when you are managing your own descriptors. Return the FD num.</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">//</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#adc2e689442720a2eaeddabcc34f4ffb8"> 73</a></span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#adc2e689442720a2eaeddabcc34f4ffb8">Detach</a>() {<span class="keywordtype">int</span> oldFD = <a class="code" href="classXrdOucStream.html#ae291abd4153514cb69636ea900bde0cf">FD</a>; <a class="code" href="classXrdOucStream.html#ae291abd4153514cb69636ea900bde0cf">FD</a> = <a class="code" href="classXrdOucStream.html#a100ddfca27e4fc01ad88c0e6a75231a7">FE</a> = -1; <span class="keywordflow">return</span> oldFD;}</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// Wait for an Exec() to finish and return the ending status. Use this</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// function only when you need to find out the ending status of the command.</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">//</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a146fe471f31e38737f0da6f21ee17340">Drain</a>();</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// Display last valid line if variable substitution enabled. Fully formed</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// input lines are displayed if 'set -v' was encountered (only when using</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// the GetxxxWord() methods),</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">//</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keywordtype">void</span> <a class="code" href="classXrdOucStream.html#a1879706f8733dd43369ec0f98f7c4f1e">Echo</a>();</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// Execute a command on a stream. Returns 0 upon success or -1 otherwise.</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// Use LastError() to get the actual error code. Subsequent Get() calls</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// will return the standard output of the executed command. If inrd=1 then</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// standardin is redirected so that subqseuent Put() calls write to the</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// process via standard in. When inrd=-1 then the current attached FD's are</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment">// used to redirect STDIN and STDOUT of the child process. Standard error</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// is handled as determined by the efd argument:</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">// efd < 0 -> The current stderr file decriptor is unchanged.</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// efd = 0 -> The stderr file descriptor is set to the original logging FD</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// efd > 0 -> The stderr file descriptor is set to the value of efd.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment">//</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#aa5d0cfdbd55ed425181902714fee3516">Exec</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keywordtype">int</span> inrd=0, <span class="keywordtype">int</span> efd=0);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#aa5d0cfdbd55ed425181902714fee3516">Exec</a>( <span class="keywordtype">char</span> **, <span class="keywordtype">int</span> inrd=0, <span class="keywordtype">int</span> efd=0);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// Get the file descriptor number associated with a stream</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">//</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a2082381f681d0841061ff5a3435ea3de"> 102</a></span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a2082381f681d0841061ff5a3435ea3de">FDNum</a>() {<span class="keywordflow">return</span> <a class="code" href="classXrdOucStream.html#ae291abd4153514cb69636ea900bde0cf">FD</a>;}</div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#aa8bd298951864074252d95a6509e7c13"> 103</a></span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#aa8bd298951864074252d95a6509e7c13">FENum</a>() {<span class="keywordflow">return</span> <a class="code" href="classXrdOucStream.html#a100ddfca27e4fc01ad88c0e6a75231a7">FE</a>;}</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// Flush any remaining output queued on an output stream.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">//</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a9c83711e7408a92254cf3196bd796939"> 107</a></span> <span class="keywordtype">void</span> <a class="code" href="classXrdOucStream.html#a9c83711e7408a92254cf3196bd796939">Flush</a>() {fsync(<a class="code" href="classXrdOucStream.html#ae291abd4153514cb69636ea900bde0cf">FD</a>); <span class="keywordflow">if</span> (<a class="code" href="classXrdOucStream.html#a100ddfca27e4fc01ad88c0e6a75231a7">FE</a> != <a class="code" href="classXrdOucStream.html#ae291abd4153514cb69636ea900bde0cf">FD</a>) fsync(<a class="code" href="classXrdOucStream.html#a100ddfca27e4fc01ad88c0e6a75231a7">FE</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> <span class="comment">// Get the next record from a stream. Return null upon eof or error. Use</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// LastError() to determine which condition occurred (an error code of 0</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// indicates that end of file has been reached). Upon success, a pointer</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// to the next record is returned. The record is terminated by a null char.</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">//</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a5cc8dbdab100d77fd1b93457cfddf78f">GetLine</a>();</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// Get the next blank-delimited token in the record returned by Getline(). A</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// null pointer is returned if no more tokens remain. Each token is terminated</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// a null byte. Note that the record buffer is modified during processing. The</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// first form returns simply a token pointer. The second form returns a token</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// pointer and a pointer to the remainder of the line with no leading blanks.</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// The lowcase argument, if 1, converts all letters to lower case in the token.</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// RetToken() simply backups the token scanner one token. None of these</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// methods perform variable substitution (see GetxxxWord() below).</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment">//</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a0abc1469a618328d8360fca89adf3c7d">GetToken</a>(<span class="keywordtype">int</span> lowcase=0);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a0abc1469a618328d8360fca89adf3c7d">GetToken</a>(<span class="keywordtype">char</span> **rest, <span class="keywordtype">int</span> lowcase=0);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="keywordtype">void</span> <a class="code" href="classXrdOucStream.html#ab175a29df09fe4a616576ddeb45b2cb1">RetToken</a>();</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// Get the next word, ignoring any blank lines and comment lines (lines whose</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">// first non-blank is a pound sign). Words are returned until logical end of</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// line is encountered at which time, a null is returned. A subsequent call</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// will return the next word on the next logical line. A physical line may be</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// continued by placing a back slash at it's end (i.e., last non-blank char).</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// GetFirstWord() always makes sure that the first word of a logical line is</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// returned (useful for start afresh after a mid-sentence error). GetRest()</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// places the remining tokens in the supplied buffer; returning 0 if the</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// buffer was too small. All of these methods perform variable substitution</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// should an XrdOucEnv object be passed to the constructor.</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment">//</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a15ff0a3681f82371ee03338df9166f15">GetFirstWord</a>(<span class="keywordtype">int</span> lowcase=0);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a941fc44834174266f70f5cb0ee118702">GetMyFirstWord</a>(<span class="keywordtype">int</span> lowcase=0);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#ae983c63743a4d088c9da52908bfc72fc">GetRest</a>(<span class="keywordtype">char</span> *theBuf, <span class="keywordtype">int</span> Blen, <span class="keywordtype">int</span> lowcase=0);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a69203bbac41e9f8e35efab59a88052a3">GetWord</a>(<span class="keywordtype">int</span> lowcase=0);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// Indicate wether there is an active program attached to the stream</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">//</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#ifndef WIN32</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a7bb53507275b6cb85827affe95dadc90"> 148</a></span> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a7bb53507275b6cb85827affe95dadc90">isAlive</a>() {<span class="keywordflow">return</span> (<a class="code" href="classXrdOucStream.html#ac0c7258b11374d8f50d29ab539f33c0f">child</a> ? kill(<a class="code" href="classXrdOucStream.html#ac0c7258b11374d8f50d29ab539f33c0f">child</a>,0) == 0 : 0);}</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a7bb53507275b6cb85827affe95dadc90">isAlive</a>() {<span class="keywordflow">return</span> (<a class="code" href="classXrdOucStream.html#ac0c7258b11374d8f50d29ab539f33c0f">child</a> ? 1 : 0);}</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// Return last error code encountered.</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment">//</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#aa313c7871036d03695b96752b4574ff6"> 155</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#aa313c7871036d03695b96752b4574ff6">LastError</a>() {<span class="keywordtype">int</span> n = <a class="code" href="classXrdOucStream.html#acfde6858b454dc8ae76113a5fa1b1f28">ecode</a>; <a class="code" href="classXrdOucStream.html#acfde6858b454dc8ae76113a5fa1b1f28">ecode</a> = 0; <span class="keywordflow">return</span> n;}</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">// Return the last input line</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">//</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a6d5e39b42868fdfc07720defefed19fc"> 159</a></span> <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a6d5e39b42868fdfc07720defefed19fc">LastLine</a>() {<span class="keywordflow">return</span> <a class="code" href="classXrdOucStream.html#a17ee7f8c17dbeb0cad3a7406f1642019">recp</a>;}</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// Suppress echoing the previous line when the next line is fetched.</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">//</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a3cb13a90e6c5e77021c2e89f7b142b94"> 163</a></span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a3cb13a90e6c5e77021c2e89f7b142b94">noEcho</a>() {<a class="code" href="classXrdOucStream.html#abf1e6b1d4631fb6c028f349b859eeec9">llBok</a> = 0; <span class="keywordflow">return</span> 0;}</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// Write a record to a stream, if a length is not given, then the buffer must</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// be null terminated and this defines the length (the null is not written).</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">//</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#aa3c44d30c83a0b631f0a3e626168e100">Put</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *data, <span class="keyword">const</span> <span class="keywordtype">int</span> dlen);</div>
<div class="line"><a name="l00169"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a8b90fe935bc72d38ef6417f258b25aa1"> 169</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a8b90fe935bc72d38ef6417f258b25aa1">Put</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *data) {<span class="keywordflow">return</span> <a class="code" href="classXrdOucStream.html#a8b90fe935bc72d38ef6417f258b25aa1">Put</a>(data, strlen(data));}</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// Write record fragments to a stream. The list of fragment/length pairs ends</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// when a null pointer is encountered.</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment">//</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#aa3c44d30c83a0b631f0a3e626168e100">Put</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *data[], <span class="keyword">const</span> <span class="keywordtype">int</span> dlen[]);</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> <span class="comment">// Insert a line into the stream buffer. This replaces anything that was there.</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment">//</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a4831b38e6c4470fa0c4a6c1e0c44ed64">PutLine</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> dlen=0);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// Set the Env (returning the old Env). This is useful for suppressing</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">// substitutions for a while.</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">//</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#ae055706ea1ec490f3b2fc839fe12734c"> 183</a></span> <a class="code" href="classXrdOucEnv.html">XrdOucEnv</a> *<a class="code" href="classXrdOucStream.html#ae055706ea1ec490f3b2fc839fe12734c">SetEnv</a>(<a class="code" href="classXrdOucEnv.html">XrdOucEnv</a> *newEnv)</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {<a class="code" href="classXrdOucEnv.html">XrdOucEnv</a> *oldEnv = <a class="code" href="classXrdOucStream.html#a540d5d078c70eea762ab8a902d70c0b9">myEnv</a>; <a class="code" href="classXrdOucStream.html#a540d5d078c70eea762ab8a902d70c0b9">myEnv</a> = newEnv; <span class="keywordflow">return</span> oldEnv;}</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// Set error routing</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment">//</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#ac49610ac077c6d7c1a863b687ad92105"> 188</a></span> <span class="keywordtype">void</span> <a class="code" href="classXrdOucStream.html#ac49610ac077c6d7c1a863b687ad92105">SetEroute</a>(<a class="code" href="classXrdSysError.html">XrdSysError</a> *eroute) {<a class="code" href="classXrdOucStream.html#a516d030c6c1c94935cdf1ff794735252">Eroute</a> = eroute;}</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> <span class="comment">// A 0 indicates that tabs in the stream should be converted to spaces.</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// A 1 inducates that tabs should be left alone (the default).</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment">//</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#ae46979cae79b593c8ffed2f6d818afda"> 193</a></span> <span class="keywordtype">void</span> <a class="code" href="classXrdOucStream.html#ae46979cae79b593c8ffed2f6d818afda">Tabs</a>(<span class="keywordtype">int</span> x=1) {<a class="code" href="classXrdOucStream.html#a54cc2f553eee2bb1e0002b9f903323af">notabs</a> = !x;}</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">// Wait for inbound data to arrive. The argument is the max number of millisec</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// to wait (-1 means wait forever). Returns 0 if data is present. Otherwise,</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// -1 indicates that the connection timed out, a positive value indicates an</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// error and the value is the errno describing the error.</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">//</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#ab37ecbda7e8a00bc70e8773eeedc06c3">Wait4Data</a>(<span class="keywordtype">int</span> msMax=-1);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment">/******************************************************************************/</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a6f4d7f06178615f00cd56d7b1bc46666">add2llB</a>(<span class="keywordtype">char</span> *tok, <span class="keywordtype">int</span> reset=0);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a21ba0395576b361fb19a05f9eb21bde2">doelse</a>();</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a098817cbf409daeeed467c229d5a2b3d">doif</a>();</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a71c1a6fc625d3352656778eecf017c3c">isSet</a>(<span class="keywordtype">char</span> *var);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a878f6c41bde1fda3a96888487cc1099a">vSubs</a>(<span class="keywordtype">char</span> *Var);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a3be84d2c4fa45bc52b3bec1a9b6251ab">xMsg</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *txt1, <span class="keyword">const</span> <span class="keywordtype">char</span> *txt2=0, <span class="keyword">const</span> <span class="keywordtype">char</span> *txt3=0);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a198b7365ad287add593189730d7991a6"> 212</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a198b7365ad287add593189730d7991a6">maxVLen</a> = 512;</div>
<div class="line"><a name="l00213"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#ad4dcd16a1a436a43b56af676d6e2c2c3"> 213</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#ad4dcd16a1a436a43b56af676d6e2c2c3">llBsz</a> = 1024;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a name="l00215"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#ae291abd4153514cb69636ea900bde0cf"> 215</a></span>  <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#ae291abd4153514cb69636ea900bde0cf">FD</a>;</div>
<div class="line"><a name="l00216"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a100ddfca27e4fc01ad88c0e6a75231a7"> 216</a></span>  <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a100ddfca27e4fc01ad88c0e6a75231a7">FE</a>;</div>
<div class="line"><a name="l00217"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#af7992af6fa2b981ded4c7c5d4b0b4651"> 217</a></span>  <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#af7992af6fa2b981ded4c7c5d4b0b4651">bsize</a>;</div>
<div class="line"><a name="l00218"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a7ffb7ad08c39fc5a7f945afefbe3a2bb"> 218</a></span>  <span class="keywordtype">int</span> <a class="code" href="classXrdOucStream.html#a7ffb7ad08c39fc5a7f945afefbe3a2bb">bleft</a>;</div>
<div class="line"><a name="l00219"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#adf3489fba7c689db3fb406dc65f34a2a"> 219</a></span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#adf3489fba7c689db3fb406dc65f34a2a">buff</a>;</div>
<div class="line"><a name="l00220"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a6fcb48dcb40283c12dcbc7392bd84eff"> 220</a></span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a6fcb48dcb40283c12dcbc7392bd84eff">bnext</a>;</div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="code" href="classXrdOucStream.html#a17ee7f8c17dbeb0cad3a7406f1642019"> 221</a></span>  <span class="keywordtype">char</span> *<a class="code" href="classXrdOucStream.html#a17ee7f8c17dbeb0cad3a7406f1642019">recp</a>;</div>
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