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Log.cpp
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191 lines (164 loc) · 5.55 KB
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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Log.cpp
* @author Gav Wood <[email protected]>
* @date 2014
*/
#include "Log.h"
#include <string>
#include <iostream>
#include <thread>
#ifdef __APPLE__
#include <pthread.h>
#endif
#include "Guards.h"
using namespace std;
using namespace dev;
//⊳⊲◀▶■▣▢□▷◁▧▨▩▲◆◉◈◇◎●◍◌○◼☑☒☎☢☣☰☀♽♥♠✩✭❓✔✓✖✕✘✓✔✅⚒⚡⦸⬌∅⁕«««»»»⚙
// Logging
int dev::g_logVerbosity = 5;
mutex x_logOverride;
/// Map of Log Channel types to bool, false forces the channel to be disabled, true forces it to be enabled.
/// If a channel has no entry, then it will output as long as its verbosity (LogChannel::verbosity) is less than
/// or equal to the currently output verbosity (g_logVerbosity).
static map<type_info const*, bool> s_logOverride;
bool dev::isChannelVisible(std::type_info const* _ch, bool _default)
{
Guard l(x_logOverride);
if (s_logOverride.count(_ch))
return s_logOverride[_ch];
return _default;
}
LogOverrideAux::LogOverrideAux(std::type_info const* _ch, bool _value):
m_ch(_ch)
{
Guard l(x_logOverride);
m_old = s_logOverride.count(_ch) ? (int)s_logOverride[_ch] : c_null;
s_logOverride[m_ch] = _value;
}
LogOverrideAux::~LogOverrideAux()
{
Guard l(x_logOverride);
if (m_old == c_null)
s_logOverride.erase(m_ch);
else
s_logOverride[m_ch] = (bool)m_old;
}
#if defined(_WIN32)
const char* LogChannel::name() { return EthGray "..."; }
const char* LeftChannel::name() { return EthNavy "<--"; }
const char* RightChannel::name() { return EthGreen "-->"; }
const char* WarnChannel::name() { return EthOnRed EthBlackBold " X"; }
const char* NoteChannel::name() { return EthBlue " i"; }
const char* DebugChannel::name() { return EthWhite " D"; }
const char* TraceChannel::name() { return EthGray "..."; }
#else
const char* LogChannel::name() { return EthGray "···"; }
const char* LeftChannel::name() { return EthNavy "◀▬▬"; }
const char* RightChannel::name() { return EthGreen "▬▬▶"; }
const char* WarnChannel::name() { return EthOnRed EthBlackBold " ✘"; }
const char* NoteChannel::name() { return EthBlue " ℹ"; }
const char* DebugChannel::name() { return EthWhite " ◇"; }
const char* TraceChannel::name() { return EthGray "..."; }
#endif
LogOutputStreamBase::LogOutputStreamBase(char const* _id, std::type_info const* _info, unsigned _v, bool _autospacing):
m_autospacing(_autospacing),
m_verbosity(_v)
{
Guard l(x_logOverride);
auto it = s_logOverride.find(_info);
if ((it != s_logOverride.end() && it->second == true) || (it == s_logOverride.end() && (int)_v <= g_logVerbosity))
{
time_t rawTime = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
unsigned ms = chrono::duration_cast<chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count() % 1000;
char buf[24];
if (strftime(buf, 24, "%X", localtime(&rawTime)) == 0)
buf[0] = '\0'; // empty if case strftime fails
static char const* c_begin = " " EthViolet;
static char const* c_sep1 = EthReset EthBlack "|" EthNavy;
static char const* c_sep2 = EthReset EthBlack "|" EthTeal;
static char const* c_end = EthReset " ";
m_sstr << _id << c_begin << buf << "." << setw(3) << setfill('0') << ms;
m_sstr << c_sep1 << getThreadName() << ThreadContext::join(c_sep2) << c_end;
}
}
/// Associate a name with each thread for nice logging.
struct ThreadLocalLogName
{
ThreadLocalLogName(std::string const& _name) { m_name.reset(new string(_name)); }
boost::thread_specific_ptr<std::string> m_name;
};
/// Associate a name with each thread for nice logging.
struct ThreadLocalLogContext
{
ThreadLocalLogContext() = default;
void push(std::string const& _name)
{
if (!m_contexts.get())
m_contexts.reset(new vector<string>);
m_contexts->push_back(_name);
}
void pop()
{
m_contexts->pop_back();
}
string join(string const& _prior)
{
string ret;
if (m_contexts.get())
for (auto const& i: *m_contexts)
ret += _prior + i;
return ret;
}
boost::thread_specific_ptr<std::vector<std::string>> m_contexts;
};
ThreadLocalLogContext g_logThreadContext;
ThreadLocalLogName g_logThreadName("main");
void dev::ThreadContext::push(string const& _n)
{
g_logThreadContext.push(_n);
}
void dev::ThreadContext::pop()
{
g_logThreadContext.pop();
}
string dev::ThreadContext::join(string const& _prior)
{
return g_logThreadContext.join(_prior);
}
string dev::getThreadName()
{
#if defined(__GLIBC__) || defined(__APPLE__)
char buffer[128];
pthread_getname_np(pthread_self(), buffer, 127);
buffer[127] = 0;
return buffer;
#else
return g_logThreadName.m_name.get() ? *g_logThreadName.m_name.get() : "<unknown>";
#endif
}
void dev::setThreadName(string const& _n)
{
#if defined(__GLIBC__)
pthread_setname_np(pthread_self(), _n.c_str());
#elif defined(__APPLE__)
pthread_setname_np(_n.c_str());
#else
g_logThreadName.m_name.reset(new std::string(_n));
#endif
}
void dev::debugOut(std::string const& _s)
{
cerr << _s << '\n';
}