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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<a href="AIODiskFile_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Copyright (C) 1996-2026 The Squid Software Foundation and contributors</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * Squid software is distributed under GPLv2+ license and includes</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * contributions from numerous individuals and organizations.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * Please see the COPYING and CONTRIBUTORS files for details.</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> */</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">/* DEBUG: section 79 Disk IO Routines */</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="squid_8h.html">squid.h</a>"</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="debug_2Stream_8h.html">debug/Stream.h</a>"</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="AIODiskFile_8h.html">DiskIO/AIO/AIODiskFile.h</a>"</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="AIODiskIOStrategy_8h.html">DiskIO/AIO/AIODiskIOStrategy.h</a>"</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="IORequestor_8h.html">DiskIO/IORequestor.h</a>"</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="ReadRequest_8h.html">DiskIO/ReadRequest.h</a>"</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="WriteRequest_8h.html">DiskIO/WriteRequest.h</a>"</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="fs__io_8h.html">fs_io.h</a>"</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="globals_8h.html">globals.h</a>"</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include <cerrno></span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="AIODiskFile_8cc.html#a14c542651e9905a036c6e20e9be0e4d0"> 35</a></span><a class="code hl_define" href="cbdata_8h.html#a4710a3530194cffbc7f74fa2b2c4529d">CBDATA_CLASS_INIT</a>(AIODiskFile);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>AIODiskFile::AIODiskFile(<span class="keywordtype">char</span> <span class="keyword">const</span> *aPath, AIODiskIOStrategy *aStrategy) : fd(-1), closed(true), error_(false)</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <a class="code hl_define" href="assert_8h.html#a33fa45e42155e69ce8d0da0fd978b351">assert</a> (aPath);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> path = aPath;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> strategy = aStrategy;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <a class="code hl_define" href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a>(79, 3, <span class="stringliteral">"AIODiskFile::AIODiskFile: "</span> << aPath);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>}</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>AIODiskFile::~AIODiskFile()</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span>{}</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>AIODiskFile::error(<span class="keywordtype">bool</span> <span class="keyword">const</span> &aBool)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span>{</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> error_ = aBool;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>}</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>AIODiskFile::open(<span class="keywordtype">int</span> flags, <a class="code hl_typedef" href="types_8h.html#a51b5bca3280ca743227e9b07c4f839a1">mode_t</a>, <a class="code hl_class" href="classRefCount.html">RefCount<IORequestor></a> callback)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>{</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">/* Simulate async calls */</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="preprocessor">#if _SQUID_WINDOWS_</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> fd = aio_open(path.termedBuf(), flags);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> fd = <a class="code hl_function" href="fs__io_8cc.html#a24097cfee5a4a7dd2f0e130555e4c89b">file_open</a>(path.termedBuf(), flags);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> ioRequestor = callback;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (fd < 0) {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_define" href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a>(79, 3, <span class="stringliteral">"got failure ("</span> << errno << <span class="stringliteral">")"</span>);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <a class="code hl_function" href="acl_2external_2kerberos__ldap__group_2support_8h.html#a3654b5eb0d17fed9fc1f1dee818ad49f">error</a>(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> closed = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> ++<a class="code hl_variable" href="globals_8h.html#a5667c478bdc0b7037ddff9d95088736d">store_open_disk_fd</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <a class="code hl_define" href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a>(79, 3, <span class="stringliteral">"opened FD "</span> << fd);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> callback->ioCompletedNotification();</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>}</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>AIODiskFile::create(<span class="keywordtype">int</span> flags, <a class="code hl_typedef" href="types_8h.html#a51b5bca3280ca743227e9b07c4f839a1">mode_t</a> mode, <a class="code hl_class" href="classRefCount.html">RefCount<IORequestor></a> callback)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">/* We use the same logic path for open */</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> open(flags, mode, callback);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>}</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>AIODiskFile::read(<a class="code hl_class" href="classReadRequest.html">ReadRequest</a> *request)</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span>{</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordtype">int</span> slot;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> async_queue_entry_t *qe;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <a class="code hl_define" href="assert_8h.html#a33fa45e42155e69ce8d0da0fd978b351">assert</a>(strategy->aq.aq_state == AQ_STATE_SETUP);</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/* Find a free slot */</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> slot = strategy->findSlot();</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (slot < 0) {</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/* No free slot? Callback error, and return */</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_function" href="fatal_8cc.html#ab64d40563aeeae7c01b72bea4c3ed032">fatal</a>(<span class="stringliteral">"Aiee! out of aiocb slots! - TODO fix and wrap file_read\n"</span>);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <a class="code hl_define" href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a>(79, <a class="code hl_define" href="debug_2Stream_8h.html#ad1f6f001d275799243ee96d0b1519d3a">DBG_IMPORTANT</a>, <span class="stringliteral">"WARNING: out of aiocb slots!"</span>);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">/* fall back to blocking method */</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// file_read(fd, request->buf, request->len, request->offset, callback, data);</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> }</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="comment">/* Mark slot as ours */</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> qe = &strategy->aq.aq_queue[slot];</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> qe->aq_e_state = AQ_ENTRY_USED;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> qe->aq_e_callback_data = <a class="code hl_define" href="cbdata_8h.html#a23338dbb451f460facd39a8a249bab46">cbdataReference</a>(request);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> qe->theFile = <a class="code hl_define" href="cbdata_8h.html#a23338dbb451f460facd39a8a249bab46">cbdataReference</a>(<span class="keyword">this</span>);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> qe->aq_e_type = AQ_ENTRY_READ;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> qe->aq_e_free = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> qe->aq_e_buf = request-><a class="code hl_variable" href="classReadRequest.html#a75b17327beb69099b39536073d452108">buf</a>;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> qe->aq_e_fd = getFD();</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> qe->aq_e_aiocb.aio_fildes = getFD();</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> qe->aq_e_aiocb.aio_nbytes = request-><a class="code hl_variable" href="classReadRequest.html#a3fa4ae908848950541e308e3ad58c5e1">len</a>;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> qe->aq_e_aiocb.aio_offset = request-><a class="code hl_variable" href="classReadRequest.html#a4f4c2928188dedd2841f592e40acede6">offset</a>;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> qe->aq_e_aiocb.aio_buf = request-><a class="code hl_variable" href="classReadRequest.html#a75b17327beb69099b39536073d452108">buf</a>;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/* Account */</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> ++ strategy->aq.aq_numpending;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">/* Initiate aio */</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">if</span> (aio_read(&qe->aq_e_aiocb) < 0) {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">int</span> xerrno = errno;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <a class="code hl_function" href="fatal_8cc.html#ae0269dd75e50d469da2f2416e0cfb7cf">fatalf</a>(<span class="stringliteral">"Aiee! aio_read() returned error (%d) TODO fix and wrap file_read !\n"</span>, xerrno);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_define" href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a>(79, <a class="code hl_define" href="debug_2Stream_8h.html#ad1f6f001d275799243ee96d0b1519d3a">DBG_IMPORTANT</a>, <span class="stringliteral">"WARNING: aio_read() returned error: "</span> << <a class="code hl_function" href="xstrerror_8cc.html#a3d643f764de4776e5489d4eb55a99849">xstrerr</a>(xerrno));</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">/* fall back to blocking method */</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// file_read(fd, request->buf, request->len, request->offset, callback, data);</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>}</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>AIODiskFile::write(<a class="code hl_class" href="classWriteRequest.html">WriteRequest</a> *request)</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span>{</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">int</span> slot;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> async_queue_entry_t *qe;</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <a class="code hl_define" href="assert_8h.html#a33fa45e42155e69ce8d0da0fd978b351">assert</a>(strategy->aq.aq_state == AQ_STATE_SETUP);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">/* Find a free slot */</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> slot = strategy->findSlot();</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">if</span> (slot < 0) {</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="comment">/* No free slot? Callback error, and return */</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <a class="code hl_function" href="fatal_8cc.html#ab64d40563aeeae7c01b72bea4c3ed032">fatal</a>(<span class="stringliteral">"Aiee! out of aiocb slots TODO fix and wrap file_write !\n"</span>);</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_define" href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a>(79, <a class="code hl_define" href="debug_2Stream_8h.html#ad1f6f001d275799243ee96d0b1519d3a">DBG_IMPORTANT</a>, <span class="stringliteral">"WARNING: out of aiocb slots!"</span>);</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">/* fall back to blocking method */</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// file_write(fd, offset, buf, len, callback, data, freefunc);</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> }</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="comment">/* Mark slot as ours */</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> qe = &strategy->aq.aq_queue[slot];</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> qe->aq_e_state = AQ_ENTRY_USED;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> qe->aq_e_callback_data = <a class="code hl_define" href="cbdata_8h.html#a23338dbb451f460facd39a8a249bab46">cbdataReference</a>(request);</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> qe->theFile = <a class="code hl_define" href="cbdata_8h.html#a23338dbb451f460facd39a8a249bab46">cbdataReference</a>(<span class="keyword">this</span>);</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> qe->aq_e_type = AQ_ENTRY_WRITE;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> qe->aq_e_free = request-><a class="code hl_variable" href="classWriteRequest.html#a4240505d93f9d747a4d28bfde085bb17">free_func</a>;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> qe->aq_e_buf = (<span class="keywordtype">void</span> *)request-><a class="code hl_variable" href="classWriteRequest.html#a71c35dd70034f629feea3d32e7a45020">buf</a>;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> qe->aq_e_fd = fd;</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> qe->aq_e_aiocb.aio_fildes = fd;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> qe->aq_e_aiocb.aio_nbytes = request-><a class="code hl_variable" href="classWriteRequest.html#a457e235e74b6d5a3a220692b0adca876">len</a>;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> qe->aq_e_aiocb.aio_offset = request-><a class="code hl_variable" href="classWriteRequest.html#a01507d070c169988f6eeccdda8746810">offset</a>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> qe->aq_e_aiocb.aio_buf = (<span class="keywordtype">void</span> *)request-><a class="code hl_variable" href="classWriteRequest.html#a71c35dd70034f629feea3d32e7a45020">buf</a>;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="comment">/* Account */</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> ++strategy->aq.aq_numpending;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">/* Initiate aio */</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">if</span> (aio_write(&qe->aq_e_aiocb) < 0) {</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordtype">int</span> xerrno = errno;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_function" href="fatal_8cc.html#ae0269dd75e50d469da2f2416e0cfb7cf">fatalf</a>(<span class="stringliteral">"Aiee! aio_write() returned error (%d) TODO fix and wrap file_write !\n"</span>, xerrno);</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <a class="code hl_define" href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a>(79, <a class="code hl_define" href="debug_2Stream_8h.html#ad1f6f001d275799243ee96d0b1519d3a">DBG_IMPORTANT</a>, <span class="stringliteral">"WARNING: aio_write() returned error: "</span> << <a class="code hl_function" href="xstrerror_8cc.html#a3d643f764de4776e5489d4eb55a99849">xstrerr</a>(xerrno));</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="comment">/* fall back to blocking method */</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// file_write(fd, offset, buf, len, callback, data, freefunc);</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>}</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span>AIODiskFile::close ()</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span>{</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <a class="code hl_define" href="assert_8h.html#a33fa45e42155e69ce8d0da0fd978b351">assert</a> (!closed);</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span><span class="preprocessor">#if _SQUID_WINDOWS_</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> aio_close(fd);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_function" href="fs__io_8cc.html#ac81ba09d0e8223da07f0afcf5c2746f5">file_close</a>(fd);</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> fd = -1;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> closed = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <a class="code hl_define" href="assert_8h.html#a33fa45e42155e69ce8d0da0fd978b351">assert</a> (ioRequestor != <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> ioRequestor->closeCompleted();</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span>}</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span>AIODiskFile::canRead()<span class="keyword"> const</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span>}</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span>AIODiskFile::canWrite()<span class="keyword"> const</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>}</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span>AIODiskFile::getFD()<span class="keyword"> const</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">return</span> fd;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span>}</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span>AIODiskFile::error()<span class="keyword"> const</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> error_;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span>}</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span>AIODiskFile::ioInProgress()<span class="keyword"> const</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span>}</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="ttc" id="aAIODiskFile_8h_html"><div class="ttname"><a href="AIODiskFile_8h.html">AIODiskFile.h</a></div></div>
<div class="ttc" id="aAIODiskIOStrategy_8h_html"><div class="ttname"><a href="AIODiskIOStrategy_8h.html">AIODiskIOStrategy.h</a></div></div>
<div class="ttc" id="aIORequestor_8h_html"><div class="ttname"><a href="IORequestor_8h.html">IORequestor.h</a></div></div>
<div class="ttc" id="aReadRequest_8h_html"><div class="ttname"><a href="ReadRequest_8h.html">ReadRequest.h</a></div></div>
<div class="ttc" id="aWriteRequest_8h_html"><div class="ttname"><a href="WriteRequest_8h.html">WriteRequest.h</a></div></div>
<div class="ttc" id="aacl_2external_2kerberos__ldap__group_2support_8h_html_a3654b5eb0d17fed9fc1f1dee818ad49f"><div class="ttname"><a href="acl_2external_2kerberos__ldap__group_2support_8h.html#a3654b5eb0d17fed9fc1f1dee818ad49f">error</a></div><div class="ttdeci">void error(char *format,...)</div></div>
<div class="ttc" id="aassert_8h_html_a33fa45e42155e69ce8d0da0fd978b351"><div class="ttname"><a href="assert_8h.html#a33fa45e42155e69ce8d0da0fd978b351">assert</a></div><div class="ttdeci">#define assert(EX)</div><div class="ttdef"><b>Definition</b> <a href="assert_8h_source.html#l00017">assert.h:17</a></div></div>
<div class="ttc" id="acbdata_8h_html_a23338dbb451f460facd39a8a249bab46"><div class="ttname"><a href="cbdata_8h.html#a23338dbb451f460facd39a8a249bab46">cbdataReference</a></div><div class="ttdeci">#define cbdataReference(var)</div><div class="ttdef"><b>Definition</b> <a href="cbdata_8h_source.html#l00348">cbdata.h:348</a></div></div>
<div class="ttc" id="acbdata_8h_html_a4710a3530194cffbc7f74fa2b2c4529d"><div class="ttname"><a href="cbdata_8h.html#a4710a3530194cffbc7f74fa2b2c4529d">CBDATA_CLASS_INIT</a></div><div class="ttdeci">#define CBDATA_CLASS_INIT(type)</div><div class="ttdef"><b>Definition</b> <a href="cbdata_8h_source.html#l00325">cbdata.h:325</a></div></div>
<div class="ttc" id="aclassReadRequest_html"><div class="ttname"><a href="classReadRequest.html">ReadRequest</a></div><div class="ttdef"><b>Definition</b> <a href="ReadRequest_8h_source.html#l00015">ReadRequest.h:16</a></div></div>
<div class="ttc" id="aclassReadRequest_html_a3fa4ae908848950541e308e3ad58c5e1"><div class="ttname"><a href="classReadRequest.html#a3fa4ae908848950541e308e3ad58c5e1">ReadRequest::len</a></div><div class="ttdeci">size_t len</div><div class="ttdef"><b>Definition</b> <a href="ReadRequest_8h_source.html#l00026">ReadRequest.h:26</a></div></div>
<div class="ttc" id="aclassReadRequest_html_a4f4c2928188dedd2841f592e40acede6"><div class="ttname"><a href="classReadRequest.html#a4f4c2928188dedd2841f592e40acede6">ReadRequest::offset</a></div><div class="ttdeci">off_t offset</div><div class="ttdef"><b>Definition</b> <a href="ReadRequest_8h_source.html#l00025">ReadRequest.h:25</a></div></div>
<div class="ttc" id="aclassReadRequest_html_a75b17327beb69099b39536073d452108"><div class="ttname"><a href="classReadRequest.html#a75b17327beb69099b39536073d452108">ReadRequest::buf</a></div><div class="ttdeci">char * buf</div><div class="ttdef"><b>Definition</b> <a href="ReadRequest_8h_source.html#l00024">ReadRequest.h:24</a></div></div>
<div class="ttc" id="aclassRefCount_html"><div class="ttname"><a href="classRefCount.html">RefCount</a></div><div class="ttdef"><b>Definition</b> <a href="RefCount_8h_source.html#l00027">RefCount.h:28</a></div></div>
<div class="ttc" id="aclassWriteRequest_html"><div class="ttname"><a href="classWriteRequest.html">WriteRequest</a></div><div class="ttdef"><b>Definition</b> <a href="WriteRequest_8h_source.html#l00016">WriteRequest.h:17</a></div></div>
<div class="ttc" id="aclassWriteRequest_html_a01507d070c169988f6eeccdda8746810"><div class="ttname"><a href="classWriteRequest.html#a01507d070c169988f6eeccdda8746810">WriteRequest::offset</a></div><div class="ttdeci">off_t offset</div><div class="ttdef"><b>Definition</b> <a href="WriteRequest_8h_source.html#l00026">WriteRequest.h:26</a></div></div>
<div class="ttc" id="aclassWriteRequest_html_a4240505d93f9d747a4d28bfde085bb17"><div class="ttname"><a href="classWriteRequest.html#a4240505d93f9d747a4d28bfde085bb17">WriteRequest::free_func</a></div><div class="ttdeci">FREE * free_func</div><div class="ttdef"><b>Definition</b> <a href="WriteRequest_8h_source.html#l00028">WriteRequest.h:28</a></div></div>
<div class="ttc" id="aclassWriteRequest_html_a457e235e74b6d5a3a220692b0adca876"><div class="ttname"><a href="classWriteRequest.html#a457e235e74b6d5a3a220692b0adca876">WriteRequest::len</a></div><div class="ttdeci">size_t len</div><div class="ttdef"><b>Definition</b> <a href="WriteRequest_8h_source.html#l00027">WriteRequest.h:27</a></div></div>
<div class="ttc" id="aclassWriteRequest_html_a71c35dd70034f629feea3d32e7a45020"><div class="ttname"><a href="classWriteRequest.html#a71c35dd70034f629feea3d32e7a45020">WriteRequest::buf</a></div><div class="ttdeci">char const * buf</div><div class="ttdef"><b>Definition</b> <a href="WriteRequest_8h_source.html#l00025">WriteRequest.h:25</a></div></div>
<div class="ttc" id="adebug_2Stream_8h_html"><div class="ttname"><a href="debug_2Stream_8h.html">Stream.h</a></div></div>
<div class="ttc" id="adebug_2Stream_8h_html_ad1f6f001d275799243ee96d0b1519d3a"><div class="ttname"><a href="debug_2Stream_8h.html#ad1f6f001d275799243ee96d0b1519d3a">DBG_IMPORTANT</a></div><div class="ttdeci">#define DBG_IMPORTANT</div><div class="ttdef"><b>Definition</b> <a href="debug_2Stream_8h_source.html#l00038">Stream.h:38</a></div></div>
<div class="ttc" id="adebug_2Stream_8h_html_ad8cd33a7d75c0efd4d3fd369dc6a8f13"><div class="ttname"><a href="debug_2Stream_8h.html#ad8cd33a7d75c0efd4d3fd369dc6a8f13">debugs</a></div><div class="ttdeci">#define debugs(SECTION, LEVEL, CONTENT)</div><div class="ttdef"><b>Definition</b> <a href="debug_2Stream_8h_source.html#l00192">Stream.h:192</a></div></div>
<div class="ttc" id="afatal_8cc_html_ab64d40563aeeae7c01b72bea4c3ed032"><div class="ttname"><a href="fatal_8cc.html#ab64d40563aeeae7c01b72bea4c3ed032">fatal</a></div><div class="ttdeci">void fatal(const char *message)</div><div class="ttdef"><b>Definition</b> <a href="fatal_8cc_source.html#l00028">fatal.cc:28</a></div></div>
<div class="ttc" id="afatal_8cc_html_ae0269dd75e50d469da2f2416e0cfb7cf"><div class="ttname"><a href="fatal_8cc.html#ae0269dd75e50d469da2f2416e0cfb7cf">fatalf</a></div><div class="ttdeci">void fatalf(const char *fmt,...)</div><div class="ttdef"><b>Definition</b> <a href="fatal_8cc_source.html#l00068">fatal.cc:68</a></div></div>
<div class="ttc" id="afs__io_8cc_html_a24097cfee5a4a7dd2f0e130555e4c89b"><div class="ttname"><a href="fs__io_8cc.html#a24097cfee5a4a7dd2f0e130555e4c89b">file_open</a></div><div class="ttdeci">int file_open(const char *path, int mode)</div><div class="ttdef"><b>Definition</b> <a href="fs__io_8cc_source.html#l00066">fs_io.cc:66</a></div></div>
<div class="ttc" id="afs__io_8cc_html_ac81ba09d0e8223da07f0afcf5c2746f5"><div class="ttname"><a href="fs__io_8cc.html#ac81ba09d0e8223da07f0afcf5c2746f5">file_close</a></div><div class="ttdeci">void file_close(int fd)</div><div class="ttdef"><b>Definition</b> <a href="fs__io_8cc_source.html#l00092">fs_io.cc:92</a></div></div>
<div class="ttc" id="afs__io_8h_html"><div class="ttname"><a href="fs__io_8h.html">fs_io.h</a></div></div>
<div class="ttc" id="aglobals_8h_html"><div class="ttname"><a href="globals_8h.html">globals.h</a></div></div>
<div class="ttc" id="aglobals_8h_html_a5667c478bdc0b7037ddff9d95088736d"><div class="ttname"><a href="globals_8h.html#a5667c478bdc0b7037ddff9d95088736d">store_open_disk_fd</a></div><div class="ttdeci">int store_open_disk_fd</div></div>
<div class="ttc" id="asquid_8h_html"><div class="ttname"><a href="squid_8h.html">squid.h</a></div></div>
<div class="ttc" id="atypes_8h_html_a51b5bca3280ca743227e9b07c4f839a1"><div class="ttname"><a href="types_8h.html#a51b5bca3280ca743227e9b07c4f839a1">mode_t</a></div><div class="ttdeci">unsigned short mode_t</div><div class="ttdef"><b>Definition</b> <a href="types_8h_source.html#l00129">types.h:129</a></div></div>
<div class="ttc" id="axstrerror_8cc_html_a3d643f764de4776e5489d4eb55a99849"><div class="ttname"><a href="xstrerror_8cc.html#a3d643f764de4776e5489d4eb55a99849">xstrerr</a></div><div class="ttdeci">const char * xstrerr(int error)</div><div class="ttdef"><b>Definition</b> <a href="xstrerror_8cc_source.html#l00083">xstrerror.cc:83</a></div></div>
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