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includefile(header.inc)
COMMENT(manpage, section, releasedate, archive, short name)
manpage(FBB::SyslogBuf)(3bobcat)(_CurYrs_)(libbobcat1-dev__CurVers_-x.tar.gz)
(Stream Buffer for Syslog)
manpagename(FBB::SyslogBuf)(A streambuf object inserting syslog messages)
manpagesynopsis()
bf(#include <bobcat/syslogbuf>)nl()
Linking option: tt(-lbobcat)
manpagedescription()
bf(FBB::SyslogBuf) objects may be used as a bf(std::streambuf) of
tt(std::ostream) objects to write syslog messages using stream facilities.
includefile(namespace.inc)
manpagesection(INHERITS FROM)
bf(std::streambuf)
manpagesection(ENUMERATIONS)
The following enumerations are defined in the namespace bf(FBB):
bf(Priority):
The values of this enumeration match the corresponding priority
bf(LOG_xxx) values used with bf(syslog)(3):
itemization(
itb(EMERG)
system is unusable;
itb(ALERT)
action must be taken immediately;
itb(CRIT)
critical conditions;
itb(ERR)
error conditions;
itb(WARNING)
warning conditions;
itb(NOTICE)
normal, but significant, condition;
itb(INFO)
informational message;
itb(DEBUG)
debug-level message;
)
bf(Facility):
The values of this enumeration match the corresponding facility
bf(LOG_xxx) values used with bf(syslog)(3):
itemization(
itb(AUTHPRIV)
security/authorization messages (private)
itb(CRON)
clock daemon (tt(cron) and tt(at))
itb(DAEMON)
other system daemons
itb(KERN)
kernel messages
itb(LOCAL0)
reserved for local use. bf(LOCAL1) through bf(LOCAL7) are
available as well.
itb(LPR)
line printer subsystem
itb(MAIL)
mail subsystem
itb(NEWS)
tt(USENET) news subsystem
itb(SYSLOGBUF)
messages generated internally by tt(syslogbufd)
itb(USER):
generic user-level messages
itb(UUCP)
UUCP subsystem
)
manpagesection(CONSTRUCTOR)
itemization(
itb(SyslogBuf(char *ident,
FBB::Priority priority = FBB::NOTICE,
FBB::Facility facility = FBB::USER,
int option = 0))
This bf(Syslogbuf()) constructor initializes the streambuf. The
bf(ident) parameter is usually the name of the program. Its contents are
prepended to syslog messages. Use value 0 if no text needs to be prepended.
The bf(priority) parameter determines the importance of the message. By
default bf(FBB::NOTICE) is used.
The bf(facility) parameter determines the type of program doing the
logging. By default bf(FBB::USER) is used.
The bf(option) parameter may be used to specify various options (use the
binary `tt(bitor)' (`tt(|)') operator to combine options):
bf(LOG_CONS):
write directly to system console if there is an
error while sending to system logger nl()
bf(LOG_NDELAY):
open the connection immediately (normally, the con-
nection is opened when the first message is logged) nl()
bf(LOG_PERROR):
print to stderr as well nl()
bf(LOG__PID):
include PID with each message nl()
By default no options are used.
)
The copy constructor is not available.
manpagesection(MEMBER FUNCTIONS)
All members of bf(std::streambuf) are available, as bf(FBB::SyslogBuf)
inherits from this class.
itemization(
itb(Priority defaultPriority() const)
Returns the default priority. I.e., the priority that will be used for
the messages after inserting bf(endl), unless altered by
bf(setDefaultPriority()).
itb(Priority priority() const)
Returns the next priority. I.e., the priority that will be used for
the next message, unless altered by bf(setPriority()).
itb(Priority setDefaultPriority(Priority priority))
Changes the default priority of the next syslog-message after
inserting bf(std::eoln). Initially, the priority is determined as the value
passed to the constructor. The previously active default priority is returned.
itb(Priority setPriority(Priority priority))
Changes the priority for the next syslog message (after bf(std::eoln)
has been inserted). Subsequent messages will use the default priority
again. The previously active priority setting is returned.
)
manpagesection(PROTECTED MEMBER FUNCTIONS)
The following members of bf(std::streambuf) were overridden:
itemization(
itb(int overflow())
This function is called by tt(std::ostream) objects using
bf(Syslogbuf). It calls tt(sync()), an then it puts the next available
character into the buffer. It returns the inserted character.
itb(int sync())
This function writes the syslog message. It is called by
bf(overflow()) when bf(overflow()) must insert bf(EOF). The bf(EOF) insertion
is done automatically by bf(syslogstream)(3bobcat) when a newline is inserted.
)
manpagesection(EXAMPLE)
See also bf(syslogstream)(3bobcat)
verb(
#include <iostream>
#include <bobcat/syslogbuf>
using namespace std;
using namespace FBB;
int main(int argc, char **argv)
{
ostream sls(new SyslogBuf(argv[0]));
sls << SyslogStream::debug << "Hello world" << endl;
sls << SyslogStream::strerrno << endl;
return 0;
}
)
manpagefiles()
em(bobcat/syslogbuf) - defines the class interface
manpageseealso()
bf(bobcat)(7), bf(openlog)(3), bf(syslog)(3), bf(syslogstream)(3bobcat)
manpagebugs()
The constructor's tt(option) parameter is an bf(int). Because of this,
bf(int) values rather than enumeration values are passed to the
constructor. It is the responsibility of the programmer to pass defined option
values only.
includefile(trailer.inc)
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