log-common.h

Go to the documentation of this file.

// License: Apache 2.0. See LICENSE file in root directory.
// Copyright(c) 2020 Intel Corporation. All Rights Reserved.

#pragma once

#include <librealsense2/rs.hpp>   // Include RealSense Cross Platform API

// Let Catch define its own main() function
#define CATCH_CONFIG_MAIN
#include "../catch.h"

#include <easylogging++.h>
#ifdef BUILD_SHARED_LIBS
// With static linkage, ELPP is initialized by librealsense, so doing it here will
// create errors. When we're using the shared .so/.dll, the two are separate and we have
// to initialize ours if we want to use the APIs!
INITIALIZE_EASYLOGGINGPP
#endif

// Define our own logging macro for debugging to stdout
// Can possibly turn it on automatically based on the Catch options supplied
// on the command-line, with a custom main():
//     Catch::Session catch_session;
//     int main (int argc, char * const argv[]) {
//         return catch_session.run( argc, argv );
//     }
//     #define TRACE(X) if( catch_session.configData().verbosity == ... ) {}
// With Catch2, we can turn this into SCOPED_INFO.
#define TRACE(X) do { \
    std::cout << X << std::endl; \
    } while(0)


/* Issue log messages in all severities */
void log_all()
{
    REQUIRE_NOTHROW( rs2::log( RS2_LOG_SEVERITY_DEBUG, "debug message" ) );
    REQUIRE_NOTHROW( rs2::log( RS2_LOG_SEVERITY_INFO, "info message" ) );
    REQUIRE_NOTHROW( rs2::log( RS2_LOG_SEVERITY_WARN, "warn message" ) );
    REQUIRE_NOTHROW( rs2::log( RS2_LOG_SEVERITY_ERROR, "error message" ) );
    // NOTE: fatal messages will exit the process and so cannot be tested
    //REQUIRE_NOTHROW( rs2::log( RS2_LOG_SEVERITY_FATAL, "fatal message" ));
    REQUIRE_NOTHROW( rs2::log( RS2_LOG_SEVERITY_NONE, "no message" ) );  // ignored; no callback
}


/* Return the number of lines in a file */
size_t count_lines( char const* filename )
{
    FILE* pFile = fopen( filename, "r" );
    REQUIRE( pFile );
    char buffer[512];
    size_t line_index = 0;
    while( !feof( pFile ) )
    {
        if( fgets( buffer, sizeof(buffer), pFile ) == NULL )
            break;
        ++line_index;
    }
    fclose( pFile );
    return line_index;
}