diff options
-rw-r--r-- | Makefile.am | 2 | ||||
-rw-r--r-- | vmstk.c | 105 | ||||
-rw-r--r-- | vmstk.h | 44 |
3 files changed, 151 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index 3770cc55..bbccb8a5 100644 --- a/Makefile.am +++ b/Makefile.am @@ -5,6 +5,8 @@ rfc3195d_SOURCES = rfc3195d.c rsyslog.h rsyslogd_SOURCES = \ syslogd.c \ syslogd.h \ + vmstk.c \ + vmstk.h \ vmprg.c \ vmprg.h \ vmop.c \ diff --git a/vmstk.c b/vmstk.c new file mode 100644 index 00000000..61825976 --- /dev/null +++ b/vmstk.c @@ -0,0 +1,105 @@ +/* vmstk.c - the arithmetic stack of a virtual machine. + * + * Module begun 2008-02-21 by Rainer Gerhards + * + * 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 <stdlib.h> +#include <assert.h> + +#include "rsyslog.h" +#include "obj.h" +#include "vmstk.h" + +/* static data */ +DEFobjStaticHelpers + + +/* Standard-Constructor + */ +BEGINobjConstruct(vmstk) /* be sure to specify the object type also in END macro! */ +ENDobjConstruct(vmstk) + + +/* ConstructionFinalizer + * rgerhards, 2008-01-09 + */ +static rsRetVal +vmstkConstructFinalize(vmstk_t __attribute__((unused)) *pThis) +{ + DEFiRet; + ISOBJ_TYPE_assert(pThis, vmstk); + RETiRet; +} + + +/* destructor for the vmstk object */ +BEGINobjDestruct(vmstk) /* be sure to specify the object type also in END and CODESTART macros! */ +CODESTARTobjDestruct(vmstk) +ENDobjDestruct(vmstk) + + +/* debugprint for the vmstk object */ +BEGINobjDebugPrint(vmstk) /* be sure to specify the object type also in END and CODESTART macros! */ +CODESTARTobjDebugPrint(vmstk) + dbgoprint((obj_t*) pThis, "stack contents:\n"); +ENDobjDebugPrint(vmstk) + + +/* queryInterface function + * rgerhards, 2008-02-21 + */ +BEGINobjQueryInterface(vmstk) +CODESTARTobjQueryInterface(vmstk) + if(pIf->ifVersion != vmstkCURR_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->oID = OBJvmstk; + + pIf->Construct = vmstkConstruct; + pIf->ConstructFinalize = vmstkConstructFinalize; + pIf->Destruct = vmstkDestruct; + pIf->DebugPrint = vmstkDebugPrint; +finalize_it: +ENDobjQueryInterface(vmstk) + + +/* Initialize the vmstk class. Must be called as the very first method + * before anything else is called inside this class. + * rgerhards, 2008-02-19 + */ +BEGINObjClassInit(vmstk, 1) /* class, version */ + /* request objects we use */ + + /* set our own handlers */ + OBJSetMethodHandler(objMethod_DEBUGPRINT, vmstkDebugPrint); + OBJSetMethodHandler(objMethod_CONSTRUCTION_FINALIZER, vmstkConstructFinalize); +ENDObjClassInit(vmstk) + +/* vi:set ai: + */ diff --git a/vmstk.h b/vmstk.h new file mode 100644 index 00000000..f9f58528 --- /dev/null +++ b/vmstk.h @@ -0,0 +1,44 @@ +/* The vmstk object. + * + * 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. + */ +#ifndef INCLUDED_VMSTK_H +#define INCLUDED_VMSTK_H + +/* the vmstk object */ +typedef struct vmstk_s { + BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */ +} vmstk_t; + + +/* interfaces */ +BEGINinterface(vmstk) /* name must also be changed in ENDinterface macro! */ + INTERFACEObjDebugPrint(vmstk); + rsRetVal (*Construct)(vmstk_t **ppThis); + rsRetVal (*ConstructFinalize)(vmstk_t __attribute__((unused)) *pThis); + rsRetVal (*Destruct)(vmstk_t **ppThis); +ENDinterface(vmstk) +#define vmstkCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */ + + +/* prototypes */ +PROTOTYPEObj(vmstk); + +#endif /* #ifndef INCLUDED_VMSTK_H */ |