summaryrefslogtreecommitdiffstats
path: root/runtime/nsd.h
diff options
context:
space:
mode:
authorRainer Gerhards <rgerhards@adiscon.com>2008-04-28 09:24:05 +0200
committerRainer Gerhards <rgerhards@adiscon.com>2008-04-28 09:24:05 +0200
commit434e404a6c7181a2b7efa9840506e8963665bdd6 (patch)
treee332d2a95705cd4db5e7333a749c218735e2c2e7 /runtime/nsd.h
parent898d69037de106be8f5b14093daee409f8f7a88f (diff)
parent858f1efd05a2f3c8bc6a0edf8a01f40e27f02407 (diff)
downloadrsyslog-434e404a6c7181a2b7efa9840506e8963665bdd6.tar.gz
rsyslog-434e404a6c7181a2b7efa9840506e8963665bdd6.tar.xz
rsyslog-434e404a6c7181a2b7efa9840506e8963665bdd6.zip
Merge branch 'klogd-bug'
Diffstat (limited to 'runtime/nsd.h')
-rw-r--r--runtime/nsd.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/runtime/nsd.h b/runtime/nsd.h
new file mode 100644
index 00000000..1b3702a0
--- /dev/null
+++ b/runtime/nsd.h
@@ -0,0 +1,72 @@
+/* The interface definition for "NetStream Drivers" (nsd).
+ *
+ * This is just an abstract driver interface, which needs to be
+ * implemented by concrete classes. As such, no nsd data type itself
+ * is defined.
+ *
+ * Copyright 2008 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of the rsyslog runtime library.
+ *
+ * The rsyslog runtime library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The rsyslog runtime library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
+ */
+#ifndef INCLUDED_NSD_H
+#define INCLUDED_NSD_H
+
+enum nsdsel_waitOp_e {
+ NSDSEL_RD = 1,
+ NSDSEL_WR = 2,
+ NSDSEL_RDWR = 3
+}; /**< the operation we wait for */
+
+/* nsd_t is actually obj_t (which is somewhat better than void* but in essence
+ * much the same).
+ */
+
+/* interface */
+BEGINinterface(nsd) /* name must also be changed in ENDinterface macro! */
+ rsRetVal (*Construct)(nsd_t **ppThis);
+ rsRetVal (*Destruct)(nsd_t **ppThis);
+ rsRetVal (*Abort)(nsd_t *pThis);
+ rsRetVal (*Rcv)(nsd_t *pThis, uchar *pRcvBuf, ssize_t *pLenBuf);
+ rsRetVal (*Send)(nsd_t *pThis, uchar *pBuf, ssize_t *pLenBuf);
+ rsRetVal (*Connect)(nsd_t *pThis, int family, unsigned char *port, unsigned char *host);
+ rsRetVal (*LstnInit)(netstrms_t *pNS, void *pUsr, rsRetVal(*fAddLstn)(void*,netstrm_t*),
+ uchar *pLstnPort, uchar *pLstnIP, int iSessMax);
+ rsRetVal (*AcceptConnReq)(nsd_t *pThis, nsd_t **ppThis);
+ rsRetVal (*GetRemoteHName)(nsd_t *pThis, uchar **pszName);
+ rsRetVal (*GetRemoteIP)(nsd_t *pThis, uchar **pszIP);
+ rsRetVal (*GetSock)(nsd_t *pThis, int *pSock);
+ rsRetVal (*SetSock)(nsd_t *pThis, int sock);
+ /* GetSock() and SetSock() return an error if the driver does not use plain
+ * OS sockets. This interface is primarily meant as an internal aid for
+ * those drivers that utilize the nsd_ptcp to do some of their work.
+ */
+ENDinterface(nsd)
+#define nsdCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
+
+/* interface for the select call */
+BEGINinterface(nsdsel) /* name must also be changed in ENDinterface macro! */
+ rsRetVal (*Construct)(nsdsel_t **ppThis);
+ rsRetVal (*Destruct)(nsdsel_t **ppThis);
+ rsRetVal (*Add)(nsdsel_t *pNsdsel, nsd_t *pNsd, nsdsel_waitOp_t waitOp);
+ rsRetVal (*Select)(nsdsel_t *pNsdsel, int *piNumReady);
+ rsRetVal (*IsReady)(nsdsel_t *pNsdsel, nsd_t *pNsd, nsdsel_waitOp_t waitOp, int *pbIsReady);
+ENDinterface(nsdsel)
+#define nsdselCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
+
+#endif /* #ifndef INCLUDED_NSD_H */