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Merge 6677be64f6 into merged_master (Bitcoin PR #17473)

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Andrew Poelstra 2020-11-14 16:52:01 +00:00
commit 077355e651
7 changed files with 235 additions and 81 deletions
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74
src/util/system.cpp
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@ -174,23 +174,6 @@ static std::string SettingName(const std::string& arg)
return arg.size() > 0 && arg[0] == '-' ? arg.substr(1) : arg;
}
/** Internal helper functions for ArgsManager */
class ArgsManagerHelper {
public:
/** Determine whether to use config settings in the default section,
* See also comments around ArgsManager::ArgsManager() below. */
static inline bool UseDefaultSection(const ArgsManager& am, const std::string& arg) EXCLUSIVE_LOCKS_REQUIRED(am.cs_args)
{
return (am.m_network == CBaseChainParams::MAIN || am.m_network_only_args.count(arg) == 0);
}
static util::SettingsValue Get(const ArgsManager& am, const std::string& arg)
{
LOCK(am.cs_args);
return GetSetting(am.m_settings, am.m_network, SettingName(arg), !UseDefaultSection(am, arg), /* get_chain_name= */ false);
}
};
/**
* Interpret -nofoo as if the user supplied -foo=0.
*
@ -333,9 +316,9 @@ bool ArgsManager::ParseParameters(int argc, const char* const argv[], std::strin
key.erase(0, 1);
std::string section;
util::SettingsValue value = InterpretOption(section, key, val);
const unsigned int flags = FlagsOfKnownArg(key);
Optional<unsigned int> flags = GetArgFlags('-' + key);
if (flags) {
if (!CheckValid(key, value, flags, error)) {
if (!CheckValid(key, value, *flags, error)) {
return false;
}
// Weird behavior preserved for backwards compatibility: command
@ -351,7 +334,7 @@ bool ArgsManager::ParseParameters(int argc, const char* const argv[], std::strin
}
}
// we do not allow -includeconf from command line, so we clear it here
// we do not allow -includeconf from command line
bool success = true;
if (auto* includes = util::FindKey(m_settings.command_line_options, "includeconf")) {
for (const auto& include : util::SettingsSpan(*includes)) {
@ -362,25 +345,22 @@ bool ArgsManager::ParseParameters(int argc, const char* const argv[], std::strin
return success;
}
unsigned int ArgsManager::FlagsOfKnownArg(const std::string& key) const
Optional<unsigned int> ArgsManager::GetArgFlags(const std::string& name) const
{
LOCK(cs_args);
for (const auto& arg_map : m_available_args) {
const auto search = arg_map.second.find('-' + key);
const auto search = arg_map.second.find(name);
if (search != arg_map.second.end()) {
return search->second.m_flags;
}
}
return ArgsManager::NONE;
return nullopt;
}
std::vector<std::string> ArgsManager::GetArgs(const std::string& strArg) const
{
LOCK(cs_args);
bool ignore_default_section_config = !ArgsManagerHelper::UseDefaultSection(*this, strArg);
std::vector<std::string> result;
for (const util::SettingsValue& value :
util::GetSettingsList(m_settings, m_network, SettingName(strArg), ignore_default_section_config)) {
for (const util::SettingsValue& value : GetSettingsList(strArg)) {
result.push_back(value.isFalse() ? "0" : value.isTrue() ? "1" : value.get_str());
}
return result;
@ -388,29 +368,29 @@ std::vector<std::string> ArgsManager::GetArgs(const std::string& strArg) const
bool ArgsManager::IsArgSet(const std::string& strArg) const
{
return !ArgsManagerHelper::Get(*this, strArg).isNull();
return !GetSetting(strArg).isNull();
}
bool ArgsManager::IsArgNegated(const std::string& strArg) const
{
return ArgsManagerHelper::Get(*this, strArg).isFalse();
return GetSetting(strArg).isFalse();
}
std::string ArgsManager::GetArg(const std::string& strArg, const std::string& strDefault) const
{
const util::SettingsValue value = ArgsManagerHelper::Get(*this, strArg);
const util::SettingsValue value = GetSetting(strArg);
return value.isNull() ? strDefault : value.isFalse() ? "0" : value.isTrue() ? "1" : value.get_str();
}
int64_t ArgsManager::GetArg(const std::string& strArg, int64_t nDefault) const
{
const util::SettingsValue value = ArgsManagerHelper::Get(*this, strArg);
const util::SettingsValue value = GetSetting(strArg);
return value.isNull() ? nDefault : value.isFalse() ? 0 : value.isTrue() ? 1 : value.isNum() ? value.get_int64() : atoi64(value.get_str());
}
bool ArgsManager::GetBoolArg(const std::string& strArg, bool fDefault) const
{
const util::SettingsValue value = ArgsManagerHelper::Get(*this, strArg);
const util::SettingsValue value = GetSetting(strArg);
return value.isNull() ? fDefault : value.isBool() ? value.get_bool() : InterpretBool(value.get_str());
}
@ -773,9 +753,9 @@ bool ArgsManager::ReadConfigStream(std::istream& stream, const std::string& file
std::string section;
std::string key = option.first;
util::SettingsValue value = InterpretOption(section, key, option.second);
const unsigned int flags = FlagsOfKnownArg(key);
Optional<unsigned int> flags = GetArgFlags('-' + key);
if (flags) {
if (!CheckValid(key, value, flags, error)) {
if (!CheckValid(key, value, *flags, error)) {
return false;
}
m_settings.ro_config[section][key].push_back(value);
@ -808,7 +788,7 @@ bool ArgsManager::ReadConfigFiles(std::string& error, bool ignore_invalid_keys)
return false;
}
// `-includeconf` cannot be included in the command line arguments except
// as `-noincludeconf` (which indicates that no conf file should be used).
// as `-noincludeconf` (which indicates that no included conf file should be used).
bool use_conf_file{true};
{
LOCK(cs_args);
@ -882,9 +862,9 @@ std::string ArgsManager::GetChainName() const
{
auto get_net = [&](const std::string& arg) {
LOCK(cs_args);
util::SettingsValue value = GetSetting(m_settings, /* section= */ "", SettingName(arg),
/* ignore_default_section_config= */ false,
/* get_chain_name= */ true);
util::SettingsValue value = util::GetSetting(m_settings, /* section= */ "", SettingName(arg),
/* ignore_default_section_config= */ false,
/* get_chain_name= */ true);
return value.isNull() ? false : value.isBool() ? value.get_bool() : InterpretBool(value.get_str());
};
@ -904,6 +884,24 @@ std::string ArgsManager::GetChainName() const
return GetArg("-chain", default_chain);
}
bool ArgsManager::UseDefaultSection(const std::string& arg) const
{
return m_network == CBaseChainParams::MAIN || m_network_only_args.count(arg) == 0;
}
util::SettingsValue ArgsManager::GetSetting(const std::string& arg) const
{
LOCK(cs_args);
return util::GetSetting(
m_settings, m_network, SettingName(arg), !UseDefaultSection(arg), /* get_chain_name= */ false);
}
std::vector<util::SettingsValue> ArgsManager::GetSettingsList(const std::string& arg) const
{
LOCK(cs_args);
return util::GetSettingsList(m_settings, m_network, SettingName(arg), !UseDefaultSection(arg));
}
bool RenameOver(fs::path src, fs::path dest)
{
#ifdef WIN32