- extracted logerror*() family of functions from syslogd, made them their

    own class and converted to new object calling conventions
    (interface-based)
- converted gss-misc into a loadable library module

1 files changed, 121 insertions, 0 deletions

diff --git a/errmsg.c b/errmsg.c
new file mode 100644
index 00000000..a1952ddb
--- /dev/null
+++ b/errmsg.c
@@ -0,0 +1,121 @@
+/* The errmsg object.
+ *
+ * Module begun 2008-03-05 by Rainer Gerhards, based on some code
+ * from syslogd.c
+ *
+ * Copyright 2008 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of rsyslog.
+ *
+ * Rsyslog 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Rsyslog 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 Rsyslog.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "rsyslog.h"
+#include "syslogd.h"
+#include "obj.h"
+#include "errmsg.h"
+#include "sysvar.h"
+#include "srUtils.h"
+#include "stringbuf.h"
+
+/* static data */
+DEFobjStaticHelpers
+
+
+/* ------------------------------ methods ------------------------------ */
+
+
+/* TODO: restructure this code some time. Especially look if we need
+ * to check errno and, if so, how to do that in a clean way.
+ */
+static void __attribute__((format(printf, 2, 3)))
+LogError(int iErrCode, char *fmt, ... )
+{
+	va_list ap;
+	char buf[1024];
+	char msg[1024];
+	char errStr[1024];
+	size_t lenBuf;
+	
+	BEGINfunc
+	assert(fmt != NULL);
+	/* Format parameters */
+	va_start(ap, fmt);
+	lenBuf = vsnprintf(buf, sizeof(buf), fmt, ap);
+	if(lenBuf >= sizeof(buf)) {
+		/* if our buffer was too small, we simply truncate. */
+		lenBuf--;
+	}
+	va_end(ap);
+	
+	/* Log the error now */
+	buf[sizeof(buf)/sizeof(char) - 1] = '\0'; /* just to be on the safe side... */
+
+	dbgprintf("Called LogError, msg: %s\n", buf);
+
+	if (errno == 0) {
+		snprintf(msg, sizeof(msg), "%s", buf);
+	} else {
+		rs_strerror_r(errno, errStr, sizeof(errStr));
+		snprintf(msg, sizeof(msg), "%s: %s", buf, errStr);
+	}
+	msg[sizeof(msg)/sizeof(char) - 1] = '\0'; /* just to be on the safe side... */
+	errno = 0;
+	logmsgInternal(LOG_SYSLOG|LOG_ERR, msg, ADDDATE);
+
+	ENDfunc
+}
+
+
+/* queryInterface function
+ * rgerhards, 2008-03-05
+ */
+BEGINobjQueryInterface(errmsg)
+CODESTARTobjQueryInterface(errmsg)
+	if(pIf->ifVersion != errmsgCURR_IF_VERSION) { /* check for current version, increment on each change */
+		ABORT_FINALIZE(RS_RET_INTERFACE_NOT_SUPPORTED);
+	}
+
+	/* ok, we have the right interface, so let's fill it
+	 * Please note that we may also do some backwards-compatibility
+	 * work here (if we can support an older interface version - that,
+	 * of course, also affects the "if" above).
+	 */
+	pIf->LogError = LogError;
+finalize_it:
+ENDobjQueryInterface(errmsg)
+
+
+/* Initialize the errmsg class. Must be called as the very first method
+ * before anything else is called inside this class.
+ * rgerhards, 2008-02-19
+ */
+BEGINAbstractObjClassInit(errmsg, 1, OBJ_IS_CORE_MODULE) /* class, version */
+	/* request objects we use */
+RUNLOG_STR("errmsg ClassInit is called!\n");
+
+	/* set our own handlers */
+ENDObjClassInit(errmsg)
+
+/* vi:set ai:
+ */