void RemoteSyslogAppender::_append(const LoggingEvent& event) {
const std::string message(_getLayout().format(event));
size_t messageLength = message.length();
char *buf = new char [messageLength + 16];
int priority = _facility + toSyslogPriority(event.priority);
int preambleLength = sprintf (buf, "<%d>", priority);
memcpy (buf + preambleLength, message.data(), messageLength);
sockaddr_in sain;
sain.sin_family = AF_INET;
sain.sin_port = htons (_portNumber);
// NO, do NOT use htonl on _ipAddr. Is already in network order.
sain.sin_addr.s_addr = _ipAddr;
while (messageLength > 0) {
/* if packet larger than maximum (900 bytes), split
into two or more syslog packets. */
if (preambleLength + messageLength > 900) {
sendto (_socket, buf, 900, 0, (struct sockaddr *) &sain, sizeof (sain));
messageLength -= (900 - preambleLength);
std::memmove (buf + preambleLength, buf + 900, messageLength);
// note: we might need to sleep a bit here
} else {
sendto (_socket, buf, preambleLength + messageLength, 0, (struct sockaddr *) &sain, sizeof (sain));
break;
}
}
delete[] buf;
}
void SyslogLogger::log(const Level level, const char *format, va_list args) {
if (level >= getLevel()) {
std::string format_ident;
if (requestSpecificIdent_ && threadIdent_.get()) {
format_ident = ident_ + ":" + *threadIdent_ + ": %s";
} else {
format_ident = ident_ + ": %s";
}
std::string formatted(1024*10, '\0');
vsnprintf(const_cast<char *>(formatted.data()), formatted.size(), format, args);
std::string tmp;
std::stringstream ss(formatted);
while (ss.good()) {
std::getline(ss, tmp, '\n');
syslog(toSyslogPriority(level), format_ident.c_str(), tmp.c_str());
}
//vsyslog(toSyslogPriority(level), signedFormat.c_str(), args);
}
}
void SyslogAppender::_append(const LoggingEvent& event) {
std::string message(_getLayout().format(event));
int priority = toSyslogPriority(event.priority);
::syslog(priority | _facility, "%s", message.c_str());
}
void SyslogLogger::setLevelInternal(const Level level) {
priority_ = toSyslogPriority(level);
}
void SyslogLogger::log(const Level level, const char *format, va_list args) {
if (level >= getLevel()) {
std::string signedFormat = ident_ + ": " + format;
vsyslog(toSyslogPriority(level), signedFormat.c_str(), args);
}
}