aboutsummaryrefslogtreecommitdiff
path: root/src/init/common.cpp
blob: 33a5cec3f1b04632ffee5ac40ab0c11efb6a57d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
// Copyright (c) 2021-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif

#include <clientversion.h>
#include <logging.h>
#include <node/interface_ui.h>
#include <tinyformat.h>
#include <util/fs.h>
#include <util/fs_helpers.h>
#include <util/string.h>
#include <util/system.h>
#include <util/time.h>
#include <util/translation.h>

#include <algorithm>
#include <string>
#include <vector>

namespace init {
void AddLoggingArgs(ArgsManager& argsman)
{
    argsman.AddArg("-debuglogfile=<file>", strprintf("Specify location of debug log file (default: %s). Relative paths will be prefixed by a net-specific datadir location. Pass -nodebuglogfile to disable writing the log to a file.", DEFAULT_DEBUGLOGFILE), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
    argsman.AddArg("-debug=<category>", "Output debug and trace logging (default: -nodebug, supplying <category> is optional). "
        "If <category> is not supplied or if <category> = 1, output all debug and trace logging. <category> can be: " + LogInstance().LogCategoriesString() + ". This option can be specified multiple times to output multiple categories.",
        ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
    argsman.AddArg("-debugexclude=<category>", "Exclude debug and trace logging for a category. Can be used in conjunction with -debug=1 to output debug and trace logging for all categories except the specified category. This option can be specified multiple times to exclude multiple categories.", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
    argsman.AddArg("-logips", strprintf("Include IP addresses in debug output (default: %u)", DEFAULT_LOGIPS), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
    argsman.AddArg("-loglevel=<level>|<category>:<level>", strprintf("Set the global or per-category severity level for logging categories enabled with the -debug configuration option or the logging RPC: %s (default=%s); warning and error levels are always logged. If <category>:<level> is supplied, the setting will override the global one and may be specified multiple times to set multiple category-specific levels. <category> can be: %s.", LogInstance().LogLevelsString(), LogInstance().LogLevelToStr(BCLog::DEFAULT_LOG_LEVEL), LogInstance().LogCategoriesString()), ArgsManager::DISALLOW_NEGATION | ArgsManager::DISALLOW_ELISION | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST);
    argsman.AddArg("-logtimestamps", strprintf("Prepend debug output with timestamp (default: %u)", DEFAULT_LOGTIMESTAMPS), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
#ifdef HAVE_THREAD_LOCAL
    argsman.AddArg("-logthreadnames", strprintf("Prepend debug output with name of the originating thread (only available on platforms supporting thread_local) (default: %u)", DEFAULT_LOGTHREADNAMES), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
#else
    argsman.AddHiddenArgs({"-logthreadnames"});
#endif
    argsman.AddArg("-logsourcelocations", strprintf("Prepend debug output with name of the originating source location (source file, line number and function name) (default: %u)", DEFAULT_LOGSOURCELOCATIONS), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
    argsman.AddArg("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST);
    argsman.AddArg("-printtoconsole", "Send trace/debug info to console (default: 1 when no -daemon. To disable logging to file, set -nodebuglogfile)", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
    argsman.AddArg("-shrinkdebugfile", "Shrink debug.log file on client startup (default: 1 when no -debug)", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
}

void SetLoggingOptions(const ArgsManager& args)
{
    LogInstance().m_print_to_file = !args.IsArgNegated("-debuglogfile");
    LogInstance().m_file_path = AbsPathForConfigVal(args, args.GetPathArg("-debuglogfile", DEFAULT_DEBUGLOGFILE));
    LogInstance().m_print_to_console = args.GetBoolArg("-printtoconsole", !args.GetBoolArg("-daemon", false));
    LogInstance().m_log_timestamps = args.GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS);
    LogInstance().m_log_time_micros = args.GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
#ifdef HAVE_THREAD_LOCAL
    LogInstance().m_log_threadnames = args.GetBoolArg("-logthreadnames", DEFAULT_LOGTHREADNAMES);
#endif
    LogInstance().m_log_sourcelocations = args.GetBoolArg("-logsourcelocations", DEFAULT_LOGSOURCELOCATIONS);

    fLogIPs = args.GetBoolArg("-logips", DEFAULT_LOGIPS);
}

void SetLoggingLevel(const ArgsManager& args)
{
    if (args.IsArgSet("-loglevel")) {
        for (const std::string& level_str : args.GetArgs("-loglevel")) {
            if (level_str.find_first_of(':', 3) == std::string::npos) {
                // user passed a global log level, i.e. -loglevel=<level>
                if (!LogInstance().SetLogLevel(level_str)) {
                    InitWarning(strprintf(_("Unsupported global logging level -loglevel=%s. Valid values: %s."), level_str, LogInstance().LogLevelsString()));
                }
            } else {
                // user passed a category-specific log level, i.e. -loglevel=<category>:<level>
                const auto& toks = SplitString(level_str, ':');
                if (!(toks.size() == 2 && LogInstance().SetCategoryLogLevel(toks[0], toks[1]))) {
                    InitWarning(strprintf(_("Unsupported category-specific logging level -loglevel=%s. Expected -loglevel=<category>:<loglevel>. Valid categories: %s. Valid loglevels: %s."), level_str, LogInstance().LogCategoriesString(), LogInstance().LogLevelsString()));
                }
            }
        }
    }
}

void SetLoggingCategories(const ArgsManager& args)
{
    if (args.IsArgSet("-debug")) {
        // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
        const std::vector<std::string> categories = args.GetArgs("-debug");

        if (std::none_of(categories.begin(), categories.end(),
            [](std::string cat){return cat == "0" || cat == "none";})) {
            for (const auto& cat : categories) {
                if (!LogInstance().EnableCategory(cat)) {
                    InitWarning(strprintf(_("Unsupported logging category %s=%s."), "-debug", cat));
                }
            }
        }
    }

    // Now remove the logging categories which were explicitly excluded
    for (const std::string& cat : args.GetArgs("-debugexclude")) {
        if (!LogInstance().DisableCategory(cat)) {
            InitWarning(strprintf(_("Unsupported logging category %s=%s."), "-debugexclude", cat));
        }
    }
}

bool StartLogging(const ArgsManager& args)
{
    if (LogInstance().m_print_to_file) {
        if (args.GetBoolArg("-shrinkdebugfile", LogInstance().DefaultShrinkDebugFile())) {
            // Do this first since it both loads a bunch of debug.log into memory,
            // and because this needs to happen before any other debug.log printing
            LogInstance().ShrinkDebugFile();
        }
    }
    if (!LogInstance().StartLogging()) {
            return InitError(strprintf(Untranslated("Could not open debug log file %s"),
                fs::PathToString(LogInstance().m_file_path)));
    }

    if (!LogInstance().m_log_timestamps)
        LogPrintf("Startup time: %s\n", FormatISO8601DateTime(GetTime()));
    LogPrintf("Default data directory %s\n", fs::PathToString(GetDefaultDataDir()));
    LogPrintf("Using data directory %s\n", fs::PathToString(gArgs.GetDataDirNet()));

    // Only log conf file usage message if conf file actually exists.
    fs::path config_file_path = args.GetConfigFilePath();
    if (fs::exists(config_file_path)) {
        LogPrintf("Config file: %s\n", fs::PathToString(config_file_path));
    } else if (args.IsArgSet("-conf")) {
        // Warn if no conf file exists at path provided by user
        InitWarning(strprintf(_("The specified config file %s does not exist"), fs::PathToString(config_file_path)));
    } else {
        // Not categorizing as "Warning" because it's the default behavior
        LogPrintf("Config file: %s (not found, skipping)\n", fs::PathToString(config_file_path));
    }

    // Log the config arguments to debug.log
    args.LogArgs();

    return true;
}

void LogPackageVersion()
{
    std::string version_string = FormatFullVersion();
#ifdef DEBUG
    version_string += " (debug build)";
#else
    version_string += " (release build)";
#endif
    LogPrintf(PACKAGE_NAME " version %s\n", version_string);
}
} // namespace init