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| <a href="common_8hpp.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">// Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</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">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef MESOS_NATIVE_COMMON_HPP</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor">#define MESOS_NATIVE_COMMON_HPP</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// Python.h must be included before standard headers.</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// See: http://docs.python.org/2/c-api/intro.html#include-files</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <Python.h></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <iostream></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <google/protobuf/io/zero_copy_stream_impl.h></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> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>mesos { <span class="keyword">namespace </span>python {</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">extern</span> PyObject* <a class="code" href="namespacemesos_1_1python.html#a80ac1ce73b032f28ae8e351bc3c0ce3c">mesos_pb2</a>;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classmesos_1_1python_1_1InterpreterLock.html"> 41</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1python_1_1InterpreterLock.html">InterpreterLock</a> {</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  PyGILState_STATE state;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classmesos_1_1python_1_1InterpreterLock.html#a73caa54f8d351dbf3e3bcc0139bddf4c"> 45</a></span>  <a class="code" href="classmesos_1_1python_1_1InterpreterLock.html#a73caa54f8d351dbf3e3bcc0139bddf4c">InterpreterLock</a>() {</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  state = PyGILState_Ensure();</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classmesos_1_1python_1_1InterpreterLock.html#a72490febd9d7120ae016225ebfe96fd4"> 49</a></span>  <a class="code" href="classmesos_1_1python_1_1InterpreterLock.html#a72490febd9d7120ae016225ebfe96fd4">~InterpreterLock</a>() {</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  PyGILState_Release(state);</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> };</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="namespacemesos_1_1python.html#adff9cd23379f73ed881f170bfac1ce0d"> 61</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespacemesos_1_1python.html#adff9cd23379f73ed881f170bfac1ce0d">readPythonProtobuf</a>(PyObject* obj, T* t)</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span> (obj == Py_None) {</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::cerr << <span class="stringliteral">"None object given where protobuf expected"</span> << std::endl;</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  PyObject* res = PyObject_CallMethod(obj,</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  (<span class="keywordtype">char</span>*) <span class="stringliteral">"SerializeToString"</span>,</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  (<span class="keywordtype">char</span>*) <span class="keyword">nullptr</span>);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (res == <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::cerr << <span class="stringliteral">"Failed to call Python object's SerializeToString "</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  << <span class="stringliteral">"(perhaps it is not a protobuf?)"</span> << std::endl;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  PyErr_Print();</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">char</span>* chars;</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  Py_ssize_t len;</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (PyString_AsStringAndSize(res, &chars, &len) < 0) {</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  std::cerr << <span class="stringliteral">"SerializeToString did not return a string"</span> << std::endl;</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  PyErr_Print();</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  Py_DECREF(res);</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  google::protobuf::io::ArrayInputStream stream(chars, len);</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">bool</span> success = t->ParseFromZeroCopyStream(&stream);</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (!success) {</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  std::cerr << <span class="stringliteral">"Could not deserialize protobuf as expected type"</span> << std::endl;</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>  Py_DECREF(res);</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> success;</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="namespacemesos_1_1python.html#a88c25644f8837bfc76920f504a0e142d"> 101</a></span> PyObject* <a class="code" href="namespacemesos_1_1python.html#a88c25644f8837bfc76920f504a0e142d">createPythonProtobuf</a>(<span class="keyword">const</span> T& t, <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a0d5046cea634bcb658321fc495884020">typeName</a>)</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>  PyObject* dict = PyModule_GetDict(<a class="code" href="namespacemesos_1_1python.html#a80ac1ce73b032f28ae8e351bc3c0ce3c">mesos_pb2</a>);</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (dict == <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  PyErr_Format(PyExc_Exception, <span class="stringliteral">"PyModule_GetDict failed"</span>);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</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>  PyObject* <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a> = PyDict_GetItemString(dict, typeName);</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (type == <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  PyErr_Format(PyExc_Exception, <span class="stringliteral">"Could not resolve mesos_pb2.%s"</span>, typeName);</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (!PyType_Check(type)) {</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  PyErr_Format(PyExc_Exception, <span class="stringliteral">"mesos_pb2.%s is not a type"</span>, typeName);</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</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>  std::string str;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (!t.SerializeToString(&str)) {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  PyErr_Format(PyExc_Exception, <span class="stringliteral">"C++ %s SerializeToString failed"</span>, typeName);</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// Propagates any exception that might happen in FromString.</span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> PyObject_CallMethod(type,</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  (<span class="keywordtype">char</span>*) <span class="stringliteral">"FromString"</span>,</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  (<span class="keywordtype">char</span>*) <span class="stringliteral">"s#"</span>,</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  str.data(),</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  str.size());</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</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> } <span class="comment">// namespace python {</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> } <span class="comment">// namespace mesos {</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="preprocessor">#endif </span><span class="comment">/* MESOS_NATIVE_COMMON_HPP */</span><span class="preprocessor"></span></div> |
| <div class="ttc" id="namespacemesos_1_1python_html_a88c25644f8837bfc76920f504a0e142d"><div class="ttname"><a href="namespacemesos_1_1python.html#a88c25644f8837bfc76920f504a0e142d">mesos::python::createPythonProtobuf</a></div><div class="ttdeci">PyObject * createPythonProtobuf(const T &t, const char *typeName)</div><div class="ttdoc">Convert a C++ protocol buffer object into a Python one by serializing it to a string and deserializin...</div><div class="ttdef"><b>Definition:</b> common.hpp:101</div></div> |
| <div class="ttc" id="namespacemesos_1_1python_html_adff9cd23379f73ed881f170bfac1ce0d"><div class="ttname"><a href="namespacemesos_1_1python.html#adff9cd23379f73ed881f170bfac1ce0d">mesos::python::readPythonProtobuf</a></div><div class="ttdeci">bool readPythonProtobuf(PyObject *obj, T *t)</div><div class="ttdoc">Convert a Python protocol buffer object into a C++ one by serializing it to a string and deserializin...</div><div class="ttdef"><b>Definition:</b> common.hpp:61</div></div> |
| <div class="ttc" id="namespacemesos_1_1internal_1_1fs_html_a0d5046cea634bcb658321fc495884020"><div class="ttname"><a href="namespacemesos_1_1internal_1_1fs.html#a0d5046cea634bcb658321fc495884020">mesos::internal::fs::typeName</a></div><div class="ttdeci">Try< std::string > typeName(uint32_t fsType)</div></div> |
| <div class="ttc" id="namespacemesos_1_1python_html_a80ac1ce73b032f28ae8e351bc3c0ce3c"><div class="ttname"><a href="namespacemesos_1_1python.html#a80ac1ce73b032f28ae8e351bc3c0ce3c">mesos::python::mesos_pb2</a></div><div class="ttdeci">PyObject * mesos_pb2</div><div class="ttdoc">The Python module object for mesos_pb2 (which contains the protobuf classes generated for Python)...</div></div> |
| <div class="ttc" id="classmesos_1_1python_1_1InterpreterLock_html"><div class="ttname"><a href="classmesos_1_1python_1_1InterpreterLock.html">mesos::python::InterpreterLock</a></div><div class="ttdoc">RAII utility class for acquiring the Python global interpreter lock. </div><div class="ttdef"><b>Definition:</b> common.hpp:41</div></div> |
| <div class="ttc" id="classmesos_1_1python_1_1InterpreterLock_html_a72490febd9d7120ae016225ebfe96fd4"><div class="ttname"><a href="classmesos_1_1python_1_1InterpreterLock.html#a72490febd9d7120ae016225ebfe96fd4">mesos::python::InterpreterLock::~InterpreterLock</a></div><div class="ttdeci">~InterpreterLock()</div><div class="ttdef"><b>Definition:</b> common.hpp:49</div></div> |
| <div class="ttc" id="classmesos_1_1python_1_1InterpreterLock_html_a73caa54f8d351dbf3e3bcc0139bddf4c"><div class="ttname"><a href="classmesos_1_1python_1_1InterpreterLock.html#a73caa54f8d351dbf3e3bcc0139bddf4c">mesos::python::InterpreterLock::InterpreterLock</a></div><div class="ttdeci">InterpreterLock()</div><div class="ttdef"><b>Definition:</b> common.hpp:45</div></div> |
| <div class="ttc" id="namespacemesos_1_1internal_1_1fs_html_a2343e2642db514496ba8380776487fba"><div class="ttname"><a href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">mesos::internal::fs::type</a></div><div class="ttdeci">Try< uint32_t > type(const std::string &path)</div></div> |
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