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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#if defined(HAVE_CONFIG_H)
# include <config.h>
#endif
#include <mailutils/mailutils.h>
#include "argp.h"
#include "mu.h"
static char logger_doc[] = N_("mu logger - log data using Mailutils log facility");
char logger_docstring[] = N_("log data using Mailutils log facility");
static char logger_args_doc[] = N_("[TEXT]");
#define OPT_SYSLOG 256
#define OPT_STDERR 257
static struct argp_option logger_options[] = {
{ "file", 'f', N_("FILE"), 0, N_("read message from FILE") },
{ "priority", 'p', N_("[FACILITY.LEVEL]"), 0,
N_("log at the specified syslog priority (implies --syslog)") },
{ "syslog", OPT_SYSLOG, NULL, 0, N_("log via syslog") },
{ "stderr", OPT_STDERR, NULL, 0, N_("log to the standard error") },
{ "severity", 's', N_("SEV"), 0,
N_("log at Mailutils severity level SEV") },
{ "locus", 'l', N_("FILE:LINE[:COL]"), 0,
N_("set locus for logging") },
{ "tag", 't', N_("syslog tag"), 0,
N_("set syslog tag") },
{ NULL }
};
static char *input_file = NULL;
static int use_syslog = 0;
static int log_severity = MU_LOG_ERROR;
static struct mu_locus locus;
static int syslog_facility = LOG_USER;
static int syslog_priority = LOG_ERR;
static char *syslog_tag = NULL;
static error_t
logger_parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'f':
input_file = arg;
break;
case OPT_SYSLOG:
use_syslog = 1;
break;
case OPT_STDERR:
use_syslog = 0;
break;
case 's':
{
int i;
for (i = 0; i < _mu_severity_num; i++)
if (mu_c_strcasecmp (_mu_severity_str[i], arg) == 0)
{
log_severity = i;
return 0;
}
argp_error (state, _("unknown severity: %s"), arg);
break;
}
case 't':
syslog_tag = arg;
use_syslog = 1;
break;
case 'p':
{
char *s = strchr (arg, '.');
if (s)
*s++ = 0;
if (mu_string_to_syslog_facility (arg, &syslog_facility))
argp_error (state, _("unknown facility: %s"), arg);
if (s &&
mu_string_to_syslog_priority (s, &syslog_priority))
argp_error (state, _("unknown priority: %s"), s);
use_syslog = 1;
break;
}
case 'l':
{
char *s;
locus.mu_file = arg;
s = strchr (arg, ':');
if (s)
{
*s++ = 0;
locus.mu_line = strtoul (s, &s, 10);
if (*s == ':')
{
locus.mu_col = strtoul (s + 1, &s, 10);
if (*s)
argp_error (state, _("bad column number: %s"), arg);
}
else if (*s)
argp_error (state, _("bad line number: %s"), arg);
}
break;
}
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp logger_argp = {
logger_options,
logger_parse_opt,
logger_args_doc,
logger_doc,
NULL,
NULL,
NULL
};
int
mutool_logger (int argc, char **argv)
{
int index;
mu_stream_t transport, logger;
int rc, mode;
if (argp_parse (&logger_argp, argc, argv, ARGP_IN_ORDER, &index, NULL))
return 1;
argc -= index;
argv += index;
if (argc && input_file)
{
mu_error (_("both input file and message text given"));
exit (1);
}
if (use_syslog)
{
if (!syslog_tag)
syslog_tag = "mu-logger";
openlog (syslog_tag, LOG_PID, syslog_facility);
rc = mu_syslog_stream_create (&transport, syslog_priority);
if (rc)
{
mu_error (_("cannot create syslog stream: %s"),
mu_strerror (rc));
exit (1);
}
}
else
{
rc = mu_stdio_stream_create (&transport, MU_STDERR_FD, 0);
if (rc)
{
mu_error (_("cannot open error stream: %s"), mu_strerror (rc));
return 1;
}
}
rc = mu_log_stream_create (&logger, transport);
mu_stream_unref (transport);
if (rc)
{
mu_error (_("cannot open logger stream: %s"), mu_strerror (rc));
return 1;
}
mode = MU_LOGMODE_SEVERITY | MU_LOGMODE_LOCUS;
mu_stream_ioctl (logger, MU_IOCTL_LOGSTREAM_SET_MODE, &mode);
if (locus.mu_file)
mu_stream_ioctl (logger, MU_IOCTL_LOGSTREAM_SET_LOCUS, &locus);
mu_stream_ioctl (logger, MU_IOCTL_LOGSTREAM_SET_SEVERITY, &log_severity);
if (argc)
{
int i;
for (i = 0; i < argc; i++)
{
if (i > 0)
mu_stream_write (logger, " ", 1, NULL);
mu_stream_write (logger, argv[i], strlen (argv[i]), NULL);
}
mu_stream_write (logger, "\n", 1, NULL);
}
else if (!input_file || strcmp (input_file, "-") == 0)
{
rc = mu_stdio_stream_create (&transport, MU_STDIN_FD, 0);
if (rc)
{
mu_error (_("cannot open input stream: %s"), mu_strerror (rc));
return 1;
}
}
else
{
rc = mu_file_stream_create (&transport, input_file, MU_STREAM_READ);
if (rc)
{
mu_error (_("cannot open input stream %s: %s"),
input_file, mu_strerror (rc));
return 1;
}
}
return !!mu_stream_copy (logger, transport, 0, NULL);
}
/*
MU Setup: logger
mu-handler: mutool_logger
mu-docstring: logger_docstring
End MU Setup:
*/
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