client_logger.h

/*
 * client_logger.h
 *
 *  Created on: Sep 5, 2015
 *      Author: ed
 * (c) 2015, WigWag Inc.
 */
#ifndef CLIENT_LOGGER_H_
#define CLIENT_LOGGER_H_

#include "nan.h"

#include "grease_client.h"

namespace Grease {




class GreaseLoggerClient : public Nan::ObjectWrap {
public:


	struct Opts_t {
		uv_mutex_t mutex;
		bool show_errors;
		bool callback_errors;
//		int bufferSize;  // size of each buffer
//		int chunkSize;
		uint32_t levelFilterOutMask;
		bool defaultFilterOut;
		int maxSinkErrors;
		Nan::Callback *onSinkFailureCB;

		Opts_t() : show_errors(false), callback_errors(false), levelFilterOutMask(0), defaultFilterOut(false),
		 	 maxSinkErrors(SINK_MAX_ERRORS), onSinkFailureCB(NULL)
		{
			uv_mutex_init(&mutex);
		}

		void lock() {
			uv_mutex_lock(&mutex);
		}

		void unlock() {
			uv_mutex_unlock(&mutex);
		}

	};
	Opts_t Opts;


protected:
	static GreaseLoggerClient *CLIENT;  // this class is a Singleton
	int sinkErrorCount;
	int greaseConnectMethod;
	bool sinkFailureNeedsCall;

public:
	int log(const logMeta &f, const char *s, int len); // does the work of logging (for users in C++)

	static void Shutdown();
	static void Init(v8::Local<v8::Object> exports);

    static NAN_METHOD(New);
//    static Handle<Value> NewInstance(const Arguments& args);

    static NAN_METHOD(SetGlobalOpts);

    static NAN_METHOD(Start);

    static NAN_METHOD(Log);

    static NAN_METHOD(Flush);

    static Nan::Persistent<Function> constructor;


//	void setErrno(int _errno, const char *m=NULL) {
//		err.setError(_errno, m);
//	}

protected:

	static int _log( const logMeta *meta, const char *s, int len);

    GreaseLoggerClient() :
    	Opts(), sinkErrorCount(0), greaseConnectMethod(GREASE_NO_CONNECTION),
    	sinkFailureNeedsCall(false)
    	{
    	    CLIENT = this;
    	}

    ~GreaseLoggerClient() {
    }

public:
	static GreaseLoggerClient *setupClass() {
		if(!CLIENT) {
			CLIENT = new GreaseLoggerClient();
			atexit(shutdown);
		}
		return CLIENT;
	}


	static void shutdown() {
		GreaseLoggerClient *l = setupClass();
		grease_shutdown();
	}
};




} // end namepsace




#endif /* CLIENT_LOGGER_H_ */