Error.cpp

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008. All Rights Reserved.                                                         */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib.  */
/*----------------------------------------------------------------------------*/

#include "Error.h"

#include <taskLib.h>
#include <cstdio>
#include <cstring>

#include "NetworkCommunication/FRCComm.h"
#include "Timer.h"
#include "Utility.h"
bool Error::m_stackTraceEnabled = false;
bool Error::m_suspendOnErrorEnabled = false;

Error::Error()
        : m_code(0)
        , m_lineNumber(0)
        , m_originatingObject(NULL)
        , m_timestamp (0.0)
{}

Error::~Error()
{}

void Error::Clone(Error &error)
{
        m_code = error.m_code;
        m_message = error.m_message;
        m_filename = error.m_filename;
        m_function = error.m_function;
        m_lineNumber = error.m_lineNumber;
        m_originatingObject = error.m_originatingObject;
        m_timestamp = error.m_timestamp;
}

Error::Code Error::GetCode() const
{       return m_code;  }

const char * Error::GetMessage() const
{       return m_message.c_str();  }

const char * Error::GetFilename() const
{       return m_filename.c_str();  }

const char * Error::GetFunction() const
{       return m_function.c_str();  }

uint32_t Error::GetLineNumber() const
{       return m_lineNumber;  }

const ErrorBase* Error::GetOriginatingObject() const
{       return m_originatingObject;  }

double Error::GetTime() const
{       return m_timestamp;  }

void Error::Set(Code code, const char* contextMessage, const char* filename, const char* function, uint32_t lineNumber, const ErrorBase* originatingObject)
{
        m_code = code;
        m_message = contextMessage;
        m_filename = filename;
        m_function = function;
        m_lineNumber = lineNumber;
        m_originatingObject = originatingObject;
        m_timestamp = GetTime();

        Report();

        if (m_suspendOnErrorEnabled) taskSuspend(0);
}

void Error::Report()
{
        // Error string buffers
        char *error = new char[256];
        char *error_with_code = new char[256];

        // Build error strings
        if (m_code != -1)
        {
                snprintf(error, 256, "%s: status = %d (0x%08X) %s ...in %s() in %s at line %d\n",
                                m_code < 0 ? "ERROR" : "WARNING", (int32_t)m_code, (uint32_t)m_code, m_message.c_str(),
                                m_function.c_str(), m_filename.c_str(), m_lineNumber);
                sprintf(error_with_code,"<Code>%ld %s", (int32_t)m_code, error);
        } else {
                snprintf(error, 256, "ERROR: %s ...in %s() in %s at line %d\n", m_message.c_str(),
                                m_function.c_str(), m_filename.c_str(), m_lineNumber);
                strcpy(error_with_code, error);
        }
        // TODO: Add logging to disk

        // Send to the DriverStation
        setErrorData(error_with_code, strlen(error_with_code), 100);

        delete [] error_with_code;

        // Print to console
        printf("\n\n>>>>%s", error);

        delete [] error;

        if (m_stackTraceEnabled)
        {
                printf("-----------<Stack Trace>----------------\n");
                wpi_selfTrace();
        }
}

void Error::Clear()
{
        m_code = 0;
        m_message = "";
        m_filename = "";
        m_function = "";
        m_lineNumber = 0;
        m_originatingObject = NULL;
        m_timestamp = 0.0;
}