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81 lines
2.7 KiB
81 lines
2.7 KiB
2 months ago
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// License: Apache 2.0. See LICENSE file in root directory.
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// Copyright(c) 2020 Intel Corporation. All Rights Reserved.
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//#cmake: shared!
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// On Linux, the EL++ instance is the same as ours (global variables are exported); only on Windows is it different...
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//#test:donotrun:linux
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//#cmake: add-file log-common.h
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#include "log-common.h"
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// Our EL++ instance is different than the rs2 one. Any LOG() calls will therefore
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// use a different mechanism/callback than LRS's -- i.e., callbacks passed to LRS
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// will not catach LOG() calls, and LRS won't catch our own calls either!
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class test_fixture
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{
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// Capture any of the local (our) EL++ LOG() calls
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class our_dispatcher : public el::LogDispatchCallback
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{
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public:
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size_t* pn_callbacks = nullptr; // only the default ctor is available to us...!
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protected:
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void handle( const el::LogDispatchData* data ) noexcept override
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{
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(*pn_callbacks)++;
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TRACE( "OUR: " << data->logMessage()->logger()->logBuilder()->build( data->logMessage(), true ) );
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}
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};
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protected:
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size_t n_callbacks_lrs = 0;
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size_t n_callbacks_our = 0;
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public:
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test_fixture()
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{
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// Install two callbacks: one local ...
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el::Helpers::installLogDispatchCallback< our_dispatcher >( "our_dispatcher" );
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auto dispatcher = el::Helpers::logDispatchCallback< our_dispatcher >( "our_dispatcher" );
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dispatcher->pn_callbacks = &n_callbacks_our;
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// Make sure the default logger dispatch (which will log to standard out/err) is disabled
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el::Helpers::uninstallLogDispatchCallback< el::base::DefaultLogDispatchCallback >( "DefaultLogDispatchCallback" );
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// ... and one inside LRS
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auto callback = [&]( rs2_log_severity severity, rs2::log_message const& msg )
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{
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++n_callbacks_lrs;
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TRACE( "LRS: " << severity << ' ' << msg.filename() << '+' << msg.line_number() << ": " << msg.raw() );
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};
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rs2::log_to_callback( RS2_LOG_SEVERITY_ALL, callback );
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}
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void reset()
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{
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n_callbacks_lrs = n_callbacks_our = 0;
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}
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};
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TEST_CASE_METHOD( test_fixture, "rs2::log vs LOG()", "[log]" ) {
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reset();
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SECTION( "lrs should get its own callbacks" ) {
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log_all();
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REQUIRE( n_callbacks_lrs == 4 );
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REQUIRE( n_callbacks_our == 0 );
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}
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SECTION( "default log; no callbacks" ) {
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LOG(INFO) << "LOG() message to our logger";
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REQUIRE( n_callbacks_lrs == 0 );
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REQUIRE( n_callbacks_our == 1 );
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}
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SECTION( "our logger is separate from librealsense logger" ) {
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CLOG( INFO, LIBREALSENSE_ELPP_ID ) << "LOG() message to \"librealsense\" logger";
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REQUIRE( n_callbacks_lrs == 0 );
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REQUIRE( n_callbacks_our == 1 );
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}
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}
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