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| <div class="title">status.h File Reference</div> </div> |
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| <div class="textblock"><code>#include <stdint.h></code><br/> |
| <code>#include <string></code><br/> |
| <code>#include "kudu/client/stubs.h"</code><br/> |
| <code>#include "kudu/util/kudu_export.h"</code><br/> |
| <code>#include "kudu/util/slice.h"</code><br/> |
| </div> |
| <p><a href="status_8h_source.html">Go to the source code of this file.</a></p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> |
| Classes</h2></td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1Status.html">kudu::Status</a></td></tr> |
| <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A representation of an operation's outcome. <a href="classkudu_1_1Status.html#details">More...</a><br/></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="namespaces"></a> |
| Namespaces</h2></td></tr> |
| <tr class="memitem:namespacekudu"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacekudu.html">kudu</a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> |
| Macros</h2></td></tr> |
| <tr class="memitem:a0de56a3f0e9d83b8ffdd63eac83c54ab"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="status_8h.html#a0de56a3f0e9d83b8ffdd63eac83c54ab">KUDU_RETURN_NOT_OK</a>(s)</td></tr> |
| <tr class="memdesc:a0de56a3f0e9d83b8ffdd63eac83c54ab"><td class="mdescLeft"> </td><td class="mdescRight">Return the given status if it is not <code>OK</code>. <a href="#a0de56a3f0e9d83b8ffdd63eac83c54ab">More...</a><br/></td></tr> |
| <tr class="separator:a0de56a3f0e9d83b8ffdd63eac83c54ab"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af66b8458f1d3f1264c1da86744e29e46"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="status_8h.html#af66b8458f1d3f1264c1da86744e29e46">KUDU_RETURN_NOT_OK_PREPEND</a>(s, msg)</td></tr> |
| <tr class="memdesc:af66b8458f1d3f1264c1da86744e29e46"><td class="mdescLeft"> </td><td class="mdescRight">Return the given status if it is not OK, but first clone it and prepend the given message. <a href="#af66b8458f1d3f1264c1da86744e29e46">More...</a><br/></td></tr> |
| <tr class="separator:af66b8458f1d3f1264c1da86744e29e46"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a58d31c81bf1101a3ead737e9a4a4f223"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="status_8h.html#a58d31c81bf1101a3ead737e9a4a4f223">KUDU_RETURN_NOT_OK_RET</a>(to_call, to_return)</td></tr> |
| <tr class="memdesc:a58d31c81bf1101a3ead737e9a4a4f223"><td class="mdescLeft"> </td><td class="mdescRight">Return <code>to_return</code> if <code>to_call</code> returns a bad status. The substitution for 'to_return' may reference the variable <code>s</code> for the bad status. <a href="#a58d31c81bf1101a3ead737e9a4a4f223">More...</a><br/></td></tr> |
| <tr class="separator:a58d31c81bf1101a3ead737e9a4a4f223"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a1e64fec5ef85c0c738f6ac3f398f607e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="status_8h.html#a1e64fec5ef85c0c738f6ac3f398f607e">KUDU_WARN_NOT_OK</a>(to_call, warning_prefix)</td></tr> |
| <tr class="memdesc:a1e64fec5ef85c0c738f6ac3f398f607e"><td class="mdescLeft"> </td><td class="mdescRight">Emit a warning if <code>to_call</code> returns a bad status. <a href="#a1e64fec5ef85c0c738f6ac3f398f607e">More...</a><br/></td></tr> |
| <tr class="separator:a1e64fec5ef85c0c738f6ac3f398f607e"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abbd85cc2c5535627091bb06a21918150"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="status_8h.html#abbd85cc2c5535627091bb06a21918150">KUDU_LOG_AND_RETURN</a>(level, status)</td></tr> |
| <tr class="memdesc:abbd85cc2c5535627091bb06a21918150"><td class="mdescLeft"> </td><td class="mdescRight">Log the given status and return immediately. <a href="#abbd85cc2c5535627091bb06a21918150">More...</a><br/></td></tr> |
| <tr class="separator:abbd85cc2c5535627091bb06a21918150"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a706c9f6ef1715b8f7a9185fb3c247d3f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="status_8h.html#a706c9f6ef1715b8f7a9185fb3c247d3f">KUDU_CHECK_OK_PREPEND</a>(to_call, msg)</td></tr> |
| <tr class="memdesc:a706c9f6ef1715b8f7a9185fb3c247d3f"><td class="mdescLeft"> </td><td class="mdescRight">If <code>to_call</code> returns a bad status, CHECK immediately with a logged message of <code>msg</code> followed by the status. <a href="#a706c9f6ef1715b8f7a9185fb3c247d3f">More...</a><br/></td></tr> |
| <tr class="separator:a706c9f6ef1715b8f7a9185fb3c247d3f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ac503ba85e942147294cdc82087da60f6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac503ba85e942147294cdc82087da60f6"></a> |
| #define </td><td class="memItemRight" valign="bottom"><a class="el" href="status_8h.html#ac503ba85e942147294cdc82087da60f6">KUDU_CHECK_OK</a>(s)   <a class="el" href="status_8h.html#a706c9f6ef1715b8f7a9185fb3c247d3f">KUDU_CHECK_OK_PREPEND</a>(s, "Bad status")</td></tr> |
| <tr class="memdesc:ac503ba85e942147294cdc82087da60f6"><td class="mdescLeft"> </td><td class="mdescRight">If the status is bad, CHECK immediately, appending the status to the logged message. <br/></td></tr> |
| <tr class="separator:ac503ba85e942147294cdc82087da60f6"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>This header is used in both the Kudu build as well as in builds of applications that use the Kudu C++ client. In the latter we need to be careful to "namespace" our macros, to avoid colliding or overriding with similarly named macros belonging to the application.</p> |
| <p>KUDU_HEADERS_USE_SHORT_STATUS_MACROS handles this behavioral change. When defined, we're building Kudu and: </p> |
| <ul> |
| <li>Non-namespaced macros are allowed and mapped to the namespaced versions defined above. </li> |
| <li>Namespaced versions of glog macros are mapped to the real glog macros (otherwise the macros are defined in the C++ client stubs). </li> |
| </ul> |
| </div><h2 class="groupheader">Macro Definition Documentation</h2> |
| <a class="anchor" id="a706c9f6ef1715b8f7a9185fb3c247d3f"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define KUDU_CHECK_OK_PREPEND</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">to_call, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">msg </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div> |
| <div class="line"> <a class="code" href="classkudu_1_1Status.html">::kudu::Status</a> _s = (to_call); \</div> |
| <div class="line"> KUDU_CHECK(_s.<a class="code" href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">ok</a>()) << (msg) << <span class="stringliteral">": "</span> << _s.<a class="code" href="classkudu_1_1Status.html#ab10872bd6ee01ee1b93a351fd0c1b104">ToString</a>(); \</div> |
| <div class="line"> } <span class="keywordflow">while</span> (0);</div> |
| <div class="ttc" id="classkudu_1_1Status_html"><div class="ttname"><a href="classkudu_1_1Status.html">kudu::Status</a></div><div class="ttdoc">A representation of an operation's outcome. </div><div class="ttdef"><b>Definition:</b> status.h:106</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_abf6454dcb72bfa92189a0595b5a858a7"><div class="ttname"><a href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">kudu::Status::ok</a></div><div class="ttdeci">bool ok() const </div><div class="ttdef"><b>Definition:</b> status.h:229</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_ab10872bd6ee01ee1b93a351fd0c1b104"><div class="ttname"><a href="classkudu_1_1Status.html#ab10872bd6ee01ee1b93a351fd0c1b104">kudu::Status::ToString</a></div><div class="ttdeci">std::string ToString() const </div></div> |
| </div><!-- fragment --> |
| <p>If <code>to_call</code> returns a bad status, CHECK immediately with a logged message of <code>msg</code> followed by the status. </p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="abbd85cc2c5535627091bb06a21918150"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define KUDU_LOG_AND_RETURN</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">level, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">status </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div> |
| <div class="line"> <a class="code" href="classkudu_1_1Status.html">::kudu::Status</a> _s = (status); \</div> |
| <div class="line"> KUDU_LOG(level) << _s.<a class="code" href="classkudu_1_1Status.html#ab10872bd6ee01ee1b93a351fd0c1b104">ToString</a>(); \</div> |
| <div class="line"> return _s; \</div> |
| <div class="line"> } <span class="keywordflow">while</span> (0);</div> |
| <div class="ttc" id="classkudu_1_1Status_html"><div class="ttname"><a href="classkudu_1_1Status.html">kudu::Status</a></div><div class="ttdoc">A representation of an operation's outcome. </div><div class="ttdef"><b>Definition:</b> status.h:106</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_ab10872bd6ee01ee1b93a351fd0c1b104"><div class="ttname"><a href="classkudu_1_1Status.html#ab10872bd6ee01ee1b93a351fd0c1b104">kudu::Status::ToString</a></div><div class="ttdeci">std::string ToString() const </div></div> |
| </div><!-- fragment --> |
| <p>Log the given status and return immediately. </p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a0de56a3f0e9d83b8ffdd63eac83c54ab"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define KUDU_RETURN_NOT_OK</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">s</td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div> |
| <div class="line"> <a class="code" href="classkudu_1_1Status.html">::kudu::Status</a> _s = (s); \</div> |
| <div class="line"> if (PREDICT_FALSE(!_s.<a class="code" href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">ok</a>())) return _s; \</div> |
| <div class="line"> } while (0);</div> |
| <div class="ttc" id="classkudu_1_1Status_html"><div class="ttname"><a href="classkudu_1_1Status.html">kudu::Status</a></div><div class="ttdoc">A representation of an operation's outcome. </div><div class="ttdef"><b>Definition:</b> status.h:106</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_abf6454dcb72bfa92189a0595b5a858a7"><div class="ttname"><a href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">kudu::Status::ok</a></div><div class="ttdeci">bool ok() const </div><div class="ttdef"><b>Definition:</b> status.h:229</div></div> |
| </div><!-- fragment --> |
| <p>Return the given status if it is not <code>OK</code>. </p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="af66b8458f1d3f1264c1da86744e29e46"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define KUDU_RETURN_NOT_OK_PREPEND</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">s, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">msg </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div> |
| <div class="line"> <a class="code" href="classkudu_1_1Status.html">::kudu::Status</a> _s = (s); \</div> |
| <div class="line"> if (PREDICT_FALSE(!_s.<a class="code" href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">ok</a>())) return _s.CloneAndPrepend(msg); \</div> |
| <div class="line"> } while (0);</div> |
| <div class="ttc" id="classkudu_1_1Status_html"><div class="ttname"><a href="classkudu_1_1Status.html">kudu::Status</a></div><div class="ttdoc">A representation of an operation's outcome. </div><div class="ttdef"><b>Definition:</b> status.h:106</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_abf6454dcb72bfa92189a0595b5a858a7"><div class="ttname"><a href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">kudu::Status::ok</a></div><div class="ttdeci">bool ok() const </div><div class="ttdef"><b>Definition:</b> status.h:229</div></div> |
| </div><!-- fragment --> |
| <p>Return the given status if it is not OK, but first clone it and prepend the given message. </p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a58d31c81bf1101a3ead737e9a4a4f223"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define KUDU_RETURN_NOT_OK_RET</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">to_call, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">to_return </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div> |
| <div class="line"> <a class="code" href="classkudu_1_1Status.html">::kudu::Status</a> s = (to_call); \</div> |
| <div class="line"> if (PREDICT_FALSE(!s.<a class="code" href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">ok</a>())) return (to_return); \</div> |
| <div class="line"> } while (0);</div> |
| <div class="ttc" id="classkudu_1_1Status_html"><div class="ttname"><a href="classkudu_1_1Status.html">kudu::Status</a></div><div class="ttdoc">A representation of an operation's outcome. </div><div class="ttdef"><b>Definition:</b> status.h:106</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_abf6454dcb72bfa92189a0595b5a858a7"><div class="ttname"><a href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">kudu::Status::ok</a></div><div class="ttdeci">bool ok() const </div><div class="ttdef"><b>Definition:</b> status.h:229</div></div> |
| </div><!-- fragment --> |
| <p>Return <code>to_return</code> if <code>to_call</code> returns a bad status. The substitution for 'to_return' may reference the variable <code>s</code> for the bad status. </p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a1e64fec5ef85c0c738f6ac3f398f607e"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define KUDU_WARN_NOT_OK</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">to_call, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">warning_prefix </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div> |
| <div class="line"> <a class="code" href="classkudu_1_1Status.html">::kudu::Status</a> _s = (to_call); \</div> |
| <div class="line"> if (PREDICT_FALSE(!_s.<a class="code" href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">ok</a>())) { \</div> |
| <div class="line"> KUDU_LOG(WARNING) << (warning_prefix) << <span class="stringliteral">": "</span> << _s.<a class="code" href="classkudu_1_1Status.html#ab10872bd6ee01ee1b93a351fd0c1b104">ToString</a>(); \</div> |
| <div class="line"> } \</div> |
| <div class="line"> } <span class="keywordflow">while</span> (0);</div> |
| <div class="ttc" id="classkudu_1_1Status_html"><div class="ttname"><a href="classkudu_1_1Status.html">kudu::Status</a></div><div class="ttdoc">A representation of an operation's outcome. </div><div class="ttdef"><b>Definition:</b> status.h:106</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_abf6454dcb72bfa92189a0595b5a858a7"><div class="ttname"><a href="classkudu_1_1Status.html#abf6454dcb72bfa92189a0595b5a858a7">kudu::Status::ok</a></div><div class="ttdeci">bool ok() const </div><div class="ttdef"><b>Definition:</b> status.h:229</div></div> |
| <div class="ttc" id="classkudu_1_1Status_html_ab10872bd6ee01ee1b93a351fd0c1b104"><div class="ttname"><a href="classkudu_1_1Status.html#ab10872bd6ee01ee1b93a351fd0c1b104">kudu::Status::ToString</a></div><div class="ttdeci">std::string ToString() const </div></div> |
| </div><!-- fragment --> |
| <p>Emit a warning if <code>to_call</code> returns a bad status. </p> |
| |
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