tdesktop/Telegram/SourceFiles/logs.h

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once

class MTPlong;
namespace Logs {

	void start();
	bool started();
	void finish();

	bool instanceChecked();
	void multipleInstances();

	void closeMain();

	void writeMain(const QString &v);

	void writeDebug(const char *file, int32 line, const QString &v);
	void writeTcp(const QString &v);
	void writeMtp(int32 dc, const QString &v);

	QString full();

	inline const char *b(bool v) {
		return v ? "[TRUE]" : "[FALSE]";
	}

	struct MemoryBuffer {
		MemoryBuffer(const void *ptr, uint32 size) : p(ptr), s(size) {
		}
		QString str() const {
			QString result;
			const uchar *buf((const uchar*)p);
			const char *hex = "0123456789ABCDEF";
			result.reserve(s * 3);
			for (uint32 i = 0; i < s; ++i) {
				result += hex[(buf[i] >> 4)];
				result += hex[buf[i] & 0x0F];
				result += ' ';
			}
			result.chop(1);
			return result;
		}

		const void *p;
		uint32 s;
	};

	inline MemoryBuffer mb(const void *ptr, uint32 size) {
		return MemoryBuffer(ptr, size);
	}

	QString vector(const QVector<MTPlong> &ids);
	QString vector(const QVector<uint64> &ids);

}

#define LOG(msg) (Logs::writeMain(QString msg))
//usage LOG(("log: %1 %2").arg(1).arg(2))

#define DEBUG_LOG(msg) { if (cDebug() || !Logs::started()) Logs::writeDebug(__FILE__, __LINE__, QString msg); }
//usage DEBUG_LOG(("log: %1 %2").arg(1).arg(2))

#define TCP_LOG(msg) { if (cDebug() || !Logs::started()) Logs::writeTcp(QString msg); }
//usage TCP_LOG(("log: %1 %2").arg(1).arg(2))

#define MTP_LOG(dc, msg) { if (cDebug() || !Logs::started()) Logs::writeMtp(dc, QString msg); }
//usage MTP_LOG(dc, ("log: %1 %2").arg(1).arg(2))

namespace SignalHandlers {

	struct dump {
		~dump();
	};
	const dump &operator<<(const dump &stream, const char *str);
    const dump &operator<<(const dump &stream, const wchar_t *str);
	const dump &operator<<(const dump &stream, int num);
	const dump &operator<<(const dump &stream, unsigned int num);
	const dump &operator<<(const dump &stream, unsigned long num);
	const dump &operator<<(const dump &stream, unsigned long long num);
	const dump &operator<<(const dump &stream, double num);
	enum Status {
		CantOpen,
		LastCrashed,
		Started
	};
	Status start();
	Status restart(); // can be only CantOpen or Started
	void finish();

	void setCrashAnnotation(const std::string &key, const QString &value);

	// Remembers value pointer and tries to add the value to the crash report.
	// Attention! You should call clearCrashAnnotationRef(key) before destroying value.
	void setCrashAnnotationRef(const std::string &key, const QString *valuePtr);
	inline void clearCrashAnnotationRef(const std::string &key) {
		setCrashAnnotationRef(key, nullptr);
	}

}