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| <div class="title">jni-thrift-util.h</div> </div> |
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| <a href="jni-thrift-util_8h.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">// Copyright 2015 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</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">// http://www.apache.org/licenses/LICENSE-2.0</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">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef IMPALA_RPC_JNI_THRIFT_UTIL_H</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define IMPALA_RPC_JNI_THRIFT_UTIL_H</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="thrift-util_8h.html">rpc/thrift-util.h</a>"</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="jni-util_8h.html">util/jni-util.h</a>"</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</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="keyword">namespace </span>impala {</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="keyword">template</span> <<span class="keyword">class</span> T></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a1e73352427710c9b529fdfc9a7462db4"> 27</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="namespaceimpala.html#a1e73352427710c9b529fdfc9a7462db4">SerializeThriftMsg</a>(JNIEnv* env, T* msg, jbyteArray* serialized_msg) {</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordtype">int</span> buffer_size = 100 * 1024; <span class="comment">// start out with 100KB</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="classimpala_1_1ThriftSerializer.html">ThriftSerializer</a> serializer(<span class="keyword">false</span>, buffer_size);</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  uint8_t* buffer = NULL;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  uint32_t size = 0;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(serializer.<a class="code" href="classimpala_1_1ThriftSerializer.html#adeb56b50d58ccb1ba6750e20615ae545">Serialize</a><T>(msg, &size, &buffer));</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  *serialized_msg = env->NewByteArray(size);</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(env);</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> (*serialized_msg == NULL) <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html">Status</a>(<span class="stringliteral">"couldn't construct jbyteArray"</span>);</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  env->SetByteArrayRegion(*serialized_msg, 0, size, reinterpret_cast<jbyte*>(buffer));</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(env);</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">Status::OK</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"> 43</span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="namespaceimpala.html#ad514256cb7101657a04100d351df52ab"> 45</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="namespaceimpala.html#ad514256cb7101657a04100d351df52ab">DeserializeThriftMsg</a>(JNIEnv* env, jbyteArray serialized_msg, T* deserialized_msg) {</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  jboolean is_copy = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  uint32_t buf_size = env->GetArrayLength(serialized_msg);</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  jbyte* buf = env->GetByteArrayElements(serialized_msg, &is_copy);</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(<a class="code" href="namespaceimpala.html#ad514256cb7101657a04100d351df52ab">DeserializeThriftMsg</a>(</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  reinterpret_cast<uint8_t*>(buf), &buf_size, <span class="keyword">false</span>, deserialized_msg));</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  env->ReleaseByteArrayElements(serialized_msg, buf, JNI_ABORT);</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">Status::OK</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> }</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="status_8h_html_a85f7d0e774e15eb35b74f53264305e16"><div class="ttname"><a href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(stmt)</div><div class="ttdoc">some generally useful macros </div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00242">status.h:242</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThriftSerializer_html_adeb56b50d58ccb1ba6750e20615ae545"><div class="ttname"><a href="classimpala_1_1ThriftSerializer.html#adeb56b50d58ccb1ba6750e20615ae545">impala::ThriftSerializer::Serialize</a></div><div class="ttdeci">Status Serialize(T *obj, std::vector< uint8_t > *result)</div><div class="ttdoc">Serializes obj into result. Result will contain a copy of the memory. </div><div class="ttdef"><b>Definition:</b> <a href="thrift-util_8h_source.html#l00048">thrift-util.h:48</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html"><div class="ttname"><a href="classimpala_1_1Status.html">impala::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00081">status.h:81</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThriftSerializer_html"><div class="ttname"><a href="classimpala_1_1ThriftSerializer.html">impala::ThriftSerializer</a></div><div class="ttdef"><b>Definition:</b> <a href="thrift-util_8h_source.html#l00039">thrift-util.h:39</a></div></div> |
| <div class="ttc" id="thrift-util_8h_html"><div class="ttname"><a href="thrift-util_8h.html">thrift-util.h</a></div></div> |
| <div class="ttc" id="jni-util_8h_html_a2070c5a22a08170e919312a008ce0ce7"><div class="ttname"><a href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a></div><div class="ttdeci">#define RETURN_ERROR_IF_EXC(env)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00099">jni-util.h:99</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html_a580565665ea944eb64f3f495b1bee1e0"><div class="ttname"><a href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">impala::Status::OK</a></div><div class="ttdeci">static const Status OK</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00087">status.h:87</a></div></div> |
| <div class="ttc" id="jni-util_8h_html"><div class="ttname"><a href="jni-util_8h.html">jni-util.h</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_ad514256cb7101657a04100d351df52ab"><div class="ttname"><a href="namespaceimpala.html#ad514256cb7101657a04100d351df52ab">impala::DeserializeThriftMsg</a></div><div class="ttdeci">Status DeserializeThriftMsg(JNIEnv *env, jbyteArray serialized_msg, T *deserialized_msg)</div><div class="ttdef"><b>Definition:</b> <a href="jni-thrift-util_8h_source.html#l00045">jni-thrift-util.h:45</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a1e73352427710c9b529fdfc9a7462db4"><div class="ttname"><a href="namespaceimpala.html#a1e73352427710c9b529fdfc9a7462db4">impala::SerializeThriftMsg</a></div><div class="ttdeci">Status SerializeThriftMsg(JNIEnv *env, T *msg, jbyteArray *serialized_msg)</div><div class="ttdef"><b>Definition:</b> <a href="jni-thrift-util_8h_source.html#l00027">jni-thrift-util.h:27</a></div></div> |
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