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authorRainer Gerhards <rgerhards@adiscon.com>2009-06-04 12:15:59 +0200
committerRainer Gerhards <rgerhards@adiscon.com>2009-06-04 12:15:59 +0200
commit9e434f19a9baa4a6f411808b5cb6bc22d6a32781 (patch)
tree36b6ee12c665a9eb781e1984d479002bf4680ef1 /runtime/stream.c
parent768836ab79268e1091fc3af8bb920c03287db91a (diff)
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cleaned up stream class ...
... and also made it callable via an rsyslog interface rather then relying on the OS loader (important if we go for using it inside loadbale modules, which we soon possible will)
Diffstat (limited to 'runtime/stream.c')
-rw-r--r--runtime/stream.c100
1 files changed, 62 insertions, 38 deletions
diff --git a/runtime/stream.c b/runtime/stream.c
index f1f69cc8..261eb9ca 100644
--- a/runtime/stream.c
+++ b/runtime/stream.c
@@ -45,10 +45,17 @@
#include "srUtils.h"
#include "obj.h"
#include "stream.h"
+#include "unicode-helper.h"
+#include "module-template.h"
/* static data */
DEFobjStaticHelpers
+/* forward definitions */
+static rsRetVal strmFlush(strm_t *pThis);
+static rsRetVal strmWrite(strm_t *pThis, uchar *pBuf, size_t lenBuf);
+
+
/* methods */
/* first, we define type-specific handlers. The provide a generic functionality,
@@ -234,10 +241,6 @@ strmHandleEOF(strm_t *pThis)
case STREAMTYPE_FILE_CIRCULAR:
/* we have multiple files and need to switch to the next one */
/* TODO: think about emulating EOF in this case (not yet needed) */
-#if 0
- if(pThis->iMaxFiles == 0) /* TODO: why do we need this? ;) */
- ABORT_FINALIZE(RS_RET_EOF);
-#endif
dbgoprint((obj_t*) pThis, "file %d EOF\n", pThis->fd);
CHKiRet(strmNextFile(pThis));
break;
@@ -295,7 +298,7 @@ finalize_it:
* NOTE: needs to be enhanced to support sticking with a strm entry (if not
* deleted).
*/
-rsRetVal strmReadChar(strm_t *pThis, uchar *pC)
+static rsRetVal strmReadChar(strm_t *pThis, uchar *pC)
{
DEFiRet;
@@ -329,7 +332,7 @@ finalize_it:
* character buffering capability.
* rgerhards, 2008-01-07
*/
-rsRetVal strmUnreadChar(strm_t *pThis, uchar c)
+static rsRetVal strmUnreadChar(strm_t *pThis, uchar c)
{
ASSERT(pThis != NULL);
ASSERT(pThis->iUngetC == -1);
@@ -351,7 +354,7 @@ rsRetVal strmUnreadChar(strm_t *pThis, uchar c)
* are pthread_killed() upon termination. So if we use their native pointer, they
* can cleanup (but only then).
*/
-rsRetVal
+static rsRetVal
strmReadLine(strm_t *pThis, cstr_t **ppCStr)
{
DEFiRet;
@@ -393,7 +396,7 @@ ENDobjConstruct(strm)
/* ConstructionFinalizer
* rgerhards, 2008-01-09
*/
-rsRetVal strmConstructFinalize(strm_t *pThis)
+static rsRetVal strmConstructFinalize(strm_t *pThis)
{
DEFiRet;
@@ -420,14 +423,10 @@ CODESTARTobjDestruct(strm)
if(pThis->fd != -1)
strmCloseFile(pThis);
- if(pThis->pszDir != NULL)
- free(pThis->pszDir);
- if(pThis->pIOBuf != NULL)
- free(pThis->pIOBuf);
- if(pThis->pszCurrFName != NULL)
- free(pThis->pszCurrFName);
- if(pThis->pszFName != NULL)
- free(pThis->pszFName);
+ free(pThis->pszDir);
+ free(pThis->pIOBuf);
+ free(pThis->pszCurrFName);
+ free(pThis->pszFName);
ENDobjDestruct(strm)
@@ -453,6 +452,7 @@ finalize_it:
RETiRet;
}
+
/* write memory buffer to a stream object.
* To support direct writes of large objects, this method may be called
* with a buffer pointing to some region other than the stream buffer itself.
@@ -503,7 +503,8 @@ finalize_it:
* and is automatically called when the output buffer is full.
* rgerhards, 2008-01-10
*/
-rsRetVal strmFlush(strm_t *pThis)
+static rsRetVal
+strmFlush(strm_t *pThis)
{
DEFiRet;
@@ -545,7 +546,7 @@ static rsRetVal strmSeek(strm_t *pThis, off_t offs)
/* seek to current offset. This is primarily a helper to readjust the OS file
* pointer after a strm object has been deserialized.
*/
-rsRetVal strmSeekCurrOffs(strm_t *pThis)
+static rsRetVal strmSeekCurrOffs(strm_t *pThis)
{
DEFiRet;
@@ -558,7 +559,7 @@ rsRetVal strmSeekCurrOffs(strm_t *pThis)
/* write a *single* character to a stream object -- rgerhards, 2008-01-10
*/
-rsRetVal strmWriteChar(strm_t *pThis, uchar c)
+static rsRetVal strmWriteChar(strm_t *pThis, uchar c)
{
DEFiRet;
@@ -578,7 +579,7 @@ finalize_it:
/* write an integer value (actually a long) to a stream object */
-rsRetVal strmWriteLong(strm_t *pThis, long i)
+static rsRetVal strmWriteLong(strm_t *pThis, long i)
{
DEFiRet;
uchar szBuf[32];
@@ -595,7 +596,8 @@ finalize_it:
/* write memory buffer to a stream object
*/
-rsRetVal strmWrite(strm_t *pThis, uchar *pBuf, size_t lenBuf)
+static rsRetVal
+strmWrite(strm_t *pThis, uchar *pBuf, size_t lenBuf)
{
DEFiRet;
size_t iPartial;
@@ -645,14 +647,14 @@ DEFpropSetMeth(strm, tOperationsMode, int)
DEFpropSetMeth(strm, tOpenMode, mode_t)
DEFpropSetMeth(strm, sType, strmType_t)
-rsRetVal strmSetiMaxFiles(strm_t *pThis, int iNewVal)
+static rsRetVal strmSetiMaxFiles(strm_t *pThis, int iNewVal)
{
pThis->iMaxFiles = iNewVal;
pThis->iFileNumDigits = getNumberDigits(iNewVal);
return RS_RET_OK;
}
-rsRetVal strmSetiAddtlOpenFlags(strm_t *pThis, int iNewVal)
+static rsRetVal strmSetiAddtlOpenFlags(strm_t *pThis, int iNewVal)
{
DEFiRet;
@@ -671,7 +673,7 @@ finalize_it:
* it any longer, it must free it.
* rgerhards, 2008-01-09
*/
-rsRetVal
+static rsRetVal
strmSetFName(strm_t *pThis, uchar *pszName, size_t iLenName)
{
DEFiRet;
@@ -701,7 +703,7 @@ finalize_it:
* it any longer, it must free it.
* rgerhards, 2008-01-09
*/
-rsRetVal
+static rsRetVal
strmSetDir(strm_t *pThis, uchar *pszDir, size_t iLenDir)
{
DEFiRet;
@@ -745,7 +747,7 @@ finalize_it:
*
* rgerhards, 2008-01-10
*/
-rsRetVal strmRecordBegin(strm_t *pThis)
+static rsRetVal strmRecordBegin(strm_t *pThis)
{
ASSERT(pThis != NULL);
ASSERT(pThis->bInRecord == 0);
@@ -753,7 +755,7 @@ rsRetVal strmRecordBegin(strm_t *pThis)
return RS_RET_OK;
}
-rsRetVal strmRecordEnd(strm_t *pThis)
+static rsRetVal strmRecordEnd(strm_t *pThis)
{
DEFiRet;
ASSERT(pThis != NULL);
@@ -775,7 +777,7 @@ rsRetVal strmRecordEnd(strm_t *pThis)
* We do not serialize the dynamic properties.
* rgerhards, 2008-01-10
*/
-rsRetVal strmSerialize(strm_t *pThis, strm_t *pStrm)
+static rsRetVal strmSerialize(strm_t *pThis, strm_t *pStrm)
{
DEFiRet;
int i;
@@ -821,7 +823,7 @@ finalize_it:
* any new set overwrites the previous one.
* rgerhards, 2008-02-27
*/
-rsRetVal
+static rsRetVal
strmSetWCntr(strm_t *pThis, number_t *pWCnt)
{
DEFiRet;
@@ -841,8 +843,8 @@ strmSetWCntr(strm_t *pThis, number_t *pWCnt)
/* This function can be used as a generic way to set properties.
* rgerhards, 2008-01-11
*/
-#define isProp(name) !rsCStrSzStrCmp(pProp->pcsName, (uchar*) name, sizeof(name) - 1)
-rsRetVal strmSetProperty(strm_t *pThis, var_t *pProp)
+#define isProp(name) !rsCStrSzStrCmp(pProp->pcsName, UCHAR_CONSTANT(name), sizeof(name) - 1)
+static rsRetVal strmSetProperty(strm_t *pThis, var_t *pProp)
{
DEFiRet;
@@ -881,7 +883,7 @@ finalize_it:
* reported on the second call may actually be lower than on the first call. This is due to
* file circulation. A caller must deal with that. -- rgerhards, 2008-01-30
*/
-rsRetVal
+static rsRetVal
strmGetCurrOffset(strm_t *pThis, int64 *pOffs)
{
DEFiRet;
@@ -909,8 +911,33 @@ CODESTARTobjQueryInterface(strm)
* work here (if we can support an older interface version - that,
* of course, also affects the "if" above).
*/
- /*xxxpIf->oID = OBJvm; SAMPLE */
-
+ pIf->Construct = strmConstruct;
+ pIf->ConstructFinalize = strmConstructFinalize;
+ pIf->Destruct = strmDestruct;
+ pIf->ReadChar = strmReadChar;
+ pIf->UnreadChar = strmUnreadChar;
+ pIf->ReadLine = strmReadLine;
+ pIf->SeekCurrOffs = strmSeekCurrOffs;
+ pIf->Write = strmWrite;
+ pIf->WriteChar = strmWriteChar;
+ pIf->WriteLong = strmWriteLong;
+ pIf->SetFName = strmSetFName;
+ pIf->SetDir = strmSetDir;
+ pIf->Flush = strmFlush;
+ pIf->RecordBegin = strmRecordBegin;
+ pIf->RecordEnd = strmRecordEnd;
+ pIf->Serialize = strmSerialize;
+ pIf->SetiAddtlOpenFlags = strmSetiAddtlOpenFlags;
+ pIf->GetCurrOffset = strmGetCurrOffset;
+ pIf->SetWCntr = strmSetWCntr;
+ /* set methods */
+ pIf->SetbDeleteOnClose = strmSetbDeleteOnClose;
+ pIf->SetiMaxFileSize = strmSetiMaxFileSize;
+ pIf->SetiMaxFiles = strmSetiMaxFiles;
+ pIf->SetiFileNumDigits = strmSetiFileNumDigits;
+ pIf->SettOperationsMode = strmSettOperationsMode;
+ pIf->SettOpenMode = strmSettOpenMode;
+ pIf->SetsType = strmSetsType;
finalize_it:
ENDobjQueryInterface(strm)
@@ -921,13 +948,10 @@ ENDobjQueryInterface(strm)
*/
BEGINObjClassInit(strm, 1, OBJ_IS_CORE_MODULE)
/* request objects we use */
-
OBJSetMethodHandler(objMethod_SERIALIZE, strmSerialize);
OBJSetMethodHandler(objMethod_SETPROPERTY, strmSetProperty);
OBJSetMethodHandler(objMethod_CONSTRUCTION_FINALIZER, strmConstructFinalize);
ENDObjClassInit(strm)
-
-/*
- * vi:set ai:
+/* vi:set ai:
*/