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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "Options.h"
#include "Statement.h"
#include "qpid/Options.h"
#include <map>
#include <string>
#include <algorithm>
#include <syslog.h>
namespace qpid {
namespace log {
using namespace std;
namespace {
class SyslogFacilities {
public:
typedef map<string, int> ByName;
typedef map<int, string> ByValue;
SyslogFacilities() {
struct NameValue { const char* name; int value; };
NameValue nameValue[] = {
{ "AUTH", LOG_AUTH },
{ "AUTHPRIV", LOG_AUTHPRIV },
{ "CRON", LOG_CRON },
{ "DAEMON", LOG_DAEMON },
{ "FTP", LOG_FTP },
{ "KERN", LOG_KERN },
{ "LOCAL0", LOG_LOCAL0 },
{ "LOCAL1", LOG_LOCAL1 },
{ "LOCAL2", LOG_LOCAL2 },
{ "LOCAL3", LOG_LOCAL3 },
{ "LOCAL4", LOG_LOCAL4 },
{ "LOCAL5", LOG_LOCAL5 },
{ "LOCAL6", LOG_LOCAL6 },
{ "LOCAL7", LOG_LOCAL7 },
{ "LPR", LOG_LPR },
{ "MAIL", LOG_MAIL },
{ "NEWS", LOG_NEWS },
{ "SYSLOG", LOG_SYSLOG },
{ "USER", LOG_USER },
{ "UUCP", LOG_UUCP }
};
for (size_t i = 0; i < sizeof(nameValue)/sizeof(nameValue[0]); ++i) {
byName.insert(ByName::value_type(nameValue[i].name, nameValue[i].value));
// Recognise with and without LOG_ prefix e.g.: AUTH and LOG_AUTH
byName.insert(ByName::value_type(string("LOG_")+nameValue[i].name, nameValue[i].value));
byValue.insert(ByValue::value_type(nameValue[i].value, string("LOG_")+nameValue[i].name));
}
};
int value(const string& name) const {
string key(name);
transform(key.begin(), key.end(), key.begin(), ::toupper);
ByName::const_iterator i = byName.find(key);
if (i == byName.end())
throw Exception("Not a valid syslog facility: " + name);
return i->second;
}
string name(int value) const {
ByValue::const_iterator i = byValue.find(value);
if (i == byValue.end())
throw Exception("Not a valid syslog value: " + value);
return i->second;
}
private:
ByName byName;
ByValue byValue;
};
}
ostream& operator<<(ostream& o, const SyslogFacility& f) {
return o << SyslogFacilities().name(f.value);
}
istream& operator>>(istream& i, SyslogFacility& f) {
std::string name;
i >> name;
f.value = SyslogFacilities().value(name);
return i;
}
namespace {
std::string basename(const std::string path) {
size_t i = path.find_last_of('/');
return path.substr((i == std::string::npos) ? 0 : i+1);
}
}
Options::Options(const std::string& argv0, const std::string& name) :
qpid::Options(name),
time(true), level(true), thread(false), source(false), function(false), trace(false),
syslogName(basename(argv0)), syslogFacility(LOG_DAEMON)
{
outputs.push_back("stderr");
selectors.push_back("error+");
ostringstream levels;
levels << LevelTraits::name(Level(0));
for (int i = 1; i < LevelTraits::COUNT; ++i)
levels << " " << LevelTraits::name(Level(i));
addOptions()
("log-output", optValue(outputs, "FILE"), "Send log output to FILE. "
"FILE can be a file name or one of the special values:\n"
"stderr, stdout, syslog")
("trace,t", optValue(trace), "Enables all logging" )
("log-enable", optValue(selectors, "RULE"),
("Enables logging for selected levels and components. "
"RULE is in the form 'LEVEL[+][:PATTERN]' "
"Levels are one of: \n\t "+levels.str()+"\n"
"For example:\n"
"\t'--log-enable warning+' "
"logs all warning, error and critical messages.\n"
"\t'--log-enable debug:framing' "
"logs debug messages from the framing namespace. "
"This option can be used multiple times").c_str())
("log-time", optValue(time, "yes|no"), "Include time in log messages")
("log-level", optValue(level,"yes|no"), "Include severity level in log messages")
("log-source", optValue(source,"yes|no"), "Include source file:line in log messages")
("log-thread", optValue(thread,"yes|no"), "Include thread ID in log messages")
("log-function", optValue(function,"yes|no"), "Include function signature in log messages")
("log-prefix", optValue(prefix,"STRING"), "Prefix to append to all log messages")
("syslog-name", optValue(syslogName, "NAME"), "Name to use in syslog messages")
("syslog-facility", optValue(syslogFacility,"LOG_XXX"), "Facility to use in syslog messages")
;
}
}} // namespace qpid::log
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