/examples/coding/Logs.cpp

Log sender

//
// Copyright (c) 2006-2014 Raphael David / CANTOR
//
#include "commore/Commore.h"
#include "commore/Error.h"
#include "commore/Tuple.h"
#include "commore/LogHook.h"
#include "commore/CriticalSection.h"
#include <stdio.h>

//
// This is an example of how to use the log macro en log hook class
// Set dynamicaly log flag 
//

CMR_MODULE_DECLARE("EXAMPLE_LOGS");
//
// Declare default compilation unit log flag
// 
CMR_FILE_DECLARE();

//
// Declare a specific log flag
//
CMR_LOG_DECLARE(MYLOG);

using namespace std;
using namespace commore;

//
// A Simple loog hook
// 
struct MyLogHookImpl : public LogHook
{
    ListTuple messages;
    //
    // Hook content must be procected. message call can be issued from different thread.
    //
    CriticalSection messages_cs;
    MyLogHookImpl()
    {
        //
        // Activate hook
        //
        hook();
    }
    //
    // Message hook function
    //
    void message(const LogMessage& message)
    {
        printf("My log hook message:level=%d key=%s\n", message.get_int("level"), (const char*)message.get_astring("key"));
    }
    //
    // Needed for automatic autoref bindind
    //
    static AutoRefBase  auto_create() { return new MyLogHookImpl(); }
};
typedef AutoRef<MyLogHookImpl> MyLogHook;

int main(int argc, const char* argv[])
{
    int r = 0;
    int num = 0;
    init();
    ConsoleLogHook console_log_hook(true);
    //
    // List all CMR log flags
    //
    ListSymbol names;
    GlobVarLog::get_names("CMR", names);
    cmr_foreach(Symbol, name, names)
    {
        printf("  log:%s\n", name.get_name().c_str());
    }
    MyLogHook my_hook;
    //GlobVarLog::set_default(10);
    CMR_INFO("Start example Logs");
    int c = 'h';
    //
    // Wait '.' is typed on the keyboard 
    //
    while (c != '.')
    {
        if (c == 'h')
        {
            printf("h : this message\n");
            printf("l : create a LOG message\n");
            printf("L : create a LOG message on MYLOG flag\n");
            printf("2 : create a LOG2 message\n");
            printf("3 : create a LOG3 message\n");
            printf("e : create a ERR message\n");
            printf("w : create a WARNING message\n");
            printf("i : create a INFO message\n");
            printf("u : UP   LOG level\n");
            printf("d : DOWN LOG level\n");
            printf("U : UP   MYLOG LOG level\n");
            printf("d : DOWN MYLOG LOG level\n");
        } else if (c == 'l')
        {
            CMR_LOG("This is a log message num: %0") << num++;
        }  else if (c == 'L')
        {
            CMR_NLOG(MYLOG, "This is a log message num: %0") << num++;
        } else if (c == '2')
        {
            CMR_LOG2("This is a log message num: %0") << num++;
        } else if (c == '3')
        {
            CMR_LOG3("This is a log message num: %0") << num++;
        } else if (c == 'e')
        {
            CMR_ERROR("This is an error message num: %0") << num++;
        } else if (c == 'w')
        {
            CMR_WARNING("This is a warning message num: %0") << num++;
        } else if (c == 'i')
        {
            CMR_INFO("This is an info message num: %0") << num++;
        } else if (c == 'u')
        {
            GlobVarLog::set("CMR", "LOGS", GlobVarLog::get("CMR", "LOGS") +1);
            CMR_INFO("Log level set to %0") << GlobVarLog::get("CMR", "LOGS");
        } else if (c == 'U')
        {
            GlobVarLog::set("CMR", "MYLOG", GlobVarLog::get("CMR", "MYLOG") +1);
            CMR_INFO("MYLOG Log level set to %0") << GlobVarLog::get("CMR", "MYLOG");
        } else if (c == 'd')
        {
            if (GlobVarLog::get("CMR", "LOGS") > 0)
            {
                GlobVarLog::set("CMR", "LOGS", GlobVarLog::get("CMR", "LOGS") - 1);
                CMR_INFO("Log level set to %0") << GlobVarLog::get("CMR", "LOGS");
            }
        } else if (c == 'D')
        {
            if (GlobVarLog::get("CMR", "MYLOG") > 0)
            {
                GlobVarLog::set("CMR", "MYLOG", GlobVarLog::get("CMR", "MYLOG") - 1);
                CMR_INFO("MYLOG Log level set to %0") << GlobVarLog::get("CMR", "MYLOG");
            }
        }
        c = getchar();
    }
    CMR_INFO("Stop example Logs");
    return r;
}