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| <div class="title">thrift-client.cc</div> </div> |
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| <a href="thrift-client_8cc.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 2012 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">#include "<a class="code" href="thrift-client_8h.html">rpc/thrift-client.h</a>"</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">#include <boost/assign.hpp></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <boost/lexical_cast.hpp></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <ostream></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <thrift/Thrift.h></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <gutil/strings/substitute.h></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="time_8h.html">util/time.h</a>"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="names_8h.html">common/names.h</a>"</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">using namespace </span>apache::thrift::transport;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">using namespace </span>apache::thrift;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">using namespace </span>strings;</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> <a class="code" href="thrift-client_8cc.html#ad88ba1572f599552b08a8a2f31f11fa2">DECLARE_string</a>(ssl_client_ca_certificate);</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classimpala_1_1ThriftClientImpl.html#ad2dacdcfa1fd827309df6d82cb07398f"> 35</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> ThriftClientImpl::Open() {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (!socket_create_status_.ok()) <span class="keywordflow">return</span> socket_create_status_;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> (!transport_->isOpen()) {</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  transport_->open();</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> TException& e) {</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html">Status</a>(Substitute(<span class="stringliteral">"Couldn't open transport for $0 ($1)"</span>,</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  lexical_cast<string>(address_), e.what()));</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="keywordflow">return</span> <a class="code" href="namespaceimpala.html#ac55a10ca0171687156609e8d6ba28127a45b8e4259988c3518a05b9202efb0898">Status::OK</a>;</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> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classimpala_1_1ThriftClientImpl.html#a0f274ac9a903073e25b1fb198d87f770"> 48</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> ThriftClientImpl::OpenWithRetry(uint32_t num_tries, <a class="code" href="classuint64__t.html">uint64_t</a> wait_ms) {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint32_t try_count = 0L;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  ++try_count;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> status = Open();</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (status.<a class="code" href="classimpala_1_1Status.html#a95ba859e42fe93445b340533220836ac">ok</a>()) <span class="keywordflow">return</span> status;</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  LOG(INFO) << <span class="stringliteral">"Unable to connect to "</span> << address_;</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (num_tries == 0) {</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  LOG(INFO) << <span class="stringliteral">"(Attempt "</span> << try_count << <span class="stringliteral">", will retry indefinitely)"</span>;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (num_tries != 1) {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// No point logging 'attempt 1 of 1'</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  LOG(INFO) << <span class="stringliteral">"(Attempt "</span> << try_count << <span class="stringliteral">" of "</span> << num_tries << <span class="stringliteral">")"</span>;</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> (try_count == num_tries) <span class="keywordflow">return</span> status;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="namespaceimpala.html#a57debe017e657e4692b405fa183f7ca8">SleepForMs</a>(wait_ms);</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classimpala_1_1ThriftClientImpl.html#a63fe8d059c466873a5cd2e25377bf2da"> 69</a></span> <span class="keywordtype">void</span> ThriftClientImpl::Close() {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (transport_.get() != NULL && transport_->isOpen()) transport_->close();</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> TException& e) {</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  LOG(INFO) << <span class="stringliteral">"Error closing connection to: "</span> << address_ << <span class="stringliteral">", ignoring ("</span> << e.what()</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  << <span class="stringliteral">")"</span>;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Forcibly close the socket (since the transport may have failed to get that far</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// during close())</span></div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (socket_.get() != NULL) socket_->close();</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> TException& e) {</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  LOG(INFO) << <span class="stringliteral">"Error closing socket to: "</span> << address_ << <span class="stringliteral">", ignoring ("</span> << e.what()</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  << <span class="stringliteral">")"</span>;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</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> }</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div> |
| <div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classimpala_1_1ThriftClientImpl.html#a375f52dd9e885803d7d1321e10c24d5b"> 86</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> ThriftClientImpl::CreateSocket() {</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (!ssl_) {</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  socket_.reset(<span class="keyword">new</span> TSocket(address_.hostname, address_.port));</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  TSSLSocketFactory factory;</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// TODO: No need to do this every time we create a socket, the factory can be</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// shared. But since there may be many certificates, this needs some slightly more</span></div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// complex infrastructure to do right.</span></div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  factory.loadTrustedCertificates(FLAGS_ssl_client_ca_certificate.c_str());</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  socket_ = factory.createSocket(address_.hostname, address_.port);</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> TException& e) {</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html">Status</a>(Substitute(<span class="stringliteral">"Failed to create socket: $0"</span>, e.what()));</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>  }</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceimpala.html#ac55a10ca0171687156609e8d6ba28127a45b8e4259988c3518a05b9202efb0898">Status::OK</a>;</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> }</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div> |
| <div class="ttc" id="time_8h_html"><div class="ttname"><a href="time_8h.html">time.h</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a57debe017e657e4692b405fa183f7ca8"><div class="ttname"><a href="namespaceimpala.html#a57debe017e657e4692b405fa183f7ca8">impala::SleepForMs</a></div><div class="ttdeci">void SleepForMs(const int64_t duration_ms)</div><div class="ttdoc">Sleeps the current thread for at least duration_ms milliseconds. </div><div class="ttdef"><b>Definition:</b> <a href="time_8cc_source.html#l00021">time.cc:21</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="thrift-client_8cc_html_ad88ba1572f599552b08a8a2f31f11fa2"><div class="ttname"><a href="thrift-client_8cc.html#ad88ba1572f599552b08a8a2f31f11fa2">DECLARE_string</a></div><div class="ttdeci">DECLARE_string(ssl_client_ca_certificate)</div></div> |
| <div class="ttc" id="classuint64__t_html"><div class="ttname"><a href="classuint64__t.html">uint64_t</a></div></div> |
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