06-15-2011
Version?
http://www.balabit.com/sites/default...tml#filterfunc
Match a regular expression to the headers and the message itself (i.e., the values returned by the
MSGHDR and
MSG macros). Note that
in syslog-ng version 2.1 and earlier, the match() filter was applied only to the text of the message, excluding the headers. This functionality has been moved to the
message() filter. To limit the scope of the match to a specific part of the message (identified with a macro), use the
match(regexp value("MACRO")) syntax. Do not include the $ sign in the parameter of the
value() option.
Last edited by DGPickett; 06-15-2011 at 05:07 PM..
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LEARN ABOUT CENTOS
sd_journal_stream_fd
SD_JOURNAL_STREAM_FD(3) sd_journal_stream_fd SD_JOURNAL_STREAM_FD(3)
NAME
sd_journal_stream_fd - Create log stream file descriptor to the journal
SYNOPSIS
#include <systemd/sd-journal.h>
int sd_journal_stream_fd(const char* identifier, int priority, int level_prefix);
DESCRIPTION
sd_journal_stream_fd() may be used to create a log stream file descriptor. Log messages written to this file descriptor as simple
newline-separated text strings are written to the journal. This file descriptor can be used internally by applications or be made
STDOUT/STDERR of other processes executed.
sd_journal_stream_fd() takes a short program identifier string as first argument, which will be written to the journal as
_SYSLOG_IDENTIFIER= field for each log entry (see systemd.journal-fields(7) for more information). The second argument shall be the default
priority level for all messages. The priority level is one of LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO,
LOG_DEBUG, as defined in syslog.h, see syslog(3) for details. The third argument is a boolean: if true kernel-style log priority level
prefixes (such as SD_WARNING) are interpreted, see sd-daemon(3) for more information.
It is recommended that applications log UTF-8 messages only with this API, but this is not enforced.
RETURN VALUE
The call returns a valid write-only file descriptor on success or a negative errno-style error code.
NOTES
The sd_journal_stream_fd() interface is available as a shared library, which can be compiled and linked to with the libsystemd-journal pkg-
config(1) file.
EXAMPLES
Creating a log stream suitable for fprintf(3):
#include <syslog.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <systemd/sd-journal.h>
#include <systemd/sd-daemon.h>
int main(int argc, char *argv[]) {
int fd;
FILE *log;
fd = sd_journal_stream_fd("test", LOG_INFO, 1);
if (fd < 0) {
fprintf(stderr, "Failed to create stream fd: %s
", strerror(-fd));
return 1;
}
log = fdopen(fd, "w");
if (!log) {
fprintf(stderr, "Failed to create file object: %m
");
close(fd);
return 1;
}
fprintf(log, "Hello World!
");
fprintf(log, SD_WARNING "This is a warning!
");
fclose(log);
return 0;
}
SEE ALSO
systemd(1), sd-journal(3), sd-daemon(3), sd_journal_print(3), syslog(3), fprintf(3), systemd.journal-fields(7)
systemd 208 SD_JOURNAL_STREAM_FD(3)