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-rw-r--r--runtime/stream.c186
1 files changed, 145 insertions, 41 deletions
diff --git a/runtime/stream.c b/runtime/stream.c
index a12dda41..ae716815 100644
--- a/runtime/stream.c
+++ b/runtime/stream.c
@@ -222,7 +222,8 @@ doPhysOpen(strm_t *pThis)
}
pThis->fd = open((char*)pThis->pszCurrFName, iFlags | O_LARGEFILE, pThis->tOpenMode);
- DBGPRINTF("file '%s' opened as #%d with mode %d\n", pThis->pszCurrFName, pThis->fd, pThis->tOpenMode);
+ DBGPRINTF("file '%s' opened as #%d with mode %d\n", pThis->pszCurrFName,
+ pThis->fd, (int) pThis->tOpenMode);
if(pThis->fd == -1) {
char errStr[1024];
int err = errno;
@@ -268,7 +269,7 @@ static rsRetVal strmOpenFile(strm_t *pThis)
pThis->pszFName, pThis->lenFName, pThis->iCurrFNum, pThis->iFileNumDigits));
} else {
if(pThis->pszDir == NULL) {
- if((pThis->pszCurrFName = (uchar*) strdup((char*) pThis->pszFName)) == NULL)
+ if((pThis->pszCurrFName = ustrdup(pThis->pszFName)) == NULL)
ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY);
} else {
CHKiRet(genFileName(&pThis->pszCurrFName, pThis->pszDir, pThis->lenDir,
@@ -572,39 +573,100 @@ static rsRetVal strmUnreadChar(strm_t *pThis, uchar c)
return RS_RET_OK;
}
-
-/* read a line from a strm file. A line is terminated by LF. The LF is read, but it
- * is not returned in the buffer (it is discared). The caller is responsible for
- * destruction of the returned CStr object! -- rgerhards, 2008-01-07
- * rgerhards, 2008-03-27: I now use the ppCStr directly, without any interim
- * string pointer. The reason is that this function my be called by inputs, which
- * are pthread_killed() upon termination. So if we use their native pointer, they
- * can cleanup (but only then).
+/* read a 'paragraph' from a strm file.
+ * A paragraph may be terminated by a LF, by a LFLF, or by LF<not whitespace> depending on the option set.
+ * The termination LF characters are read, but are
+ * not returned in the buffer (it is discared). The caller is responsible for
+ * destruction of the returned CStr object! -- dlang 2010-12-13
*/
static rsRetVal
-strmReadLine(strm_t *pThis, cstr_t **ppCStr)
+strmReadLine(strm_t *pThis, cstr_t **ppCStr, int mode)
{
- DEFiRet;
- uchar c;
-
- ASSERT(pThis != NULL);
- ASSERT(ppCStr != NULL);
-
- CHKiRet(cstrConstruct(ppCStr));
-
- /* now read the line */
- CHKiRet(strmReadChar(pThis, &c));
- while(c != '\n') {
- CHKiRet(cstrAppendChar(*ppCStr, c));
- CHKiRet(strmReadChar(pThis, &c));
+ /* mode = 0 single line mode (equivalent to ReadLine)
+ * mode = 1 LFLF mode (paragraph, blank line between entries)
+ * mode = 2 LF <not whitespace> mode, a log line starts at the beginning of a line, but following lines that are indented are part of the same log entry
+ * This modal interface is not nearly as flexible as being able to define a regex for when a new record starts, but it's also not nearly as hard (or as slow) to implement
+ */
+ DEFiRet;
+ uchar c;
+ uchar finished;
+
+ ASSERT(pThis != NULL);
+ ASSERT(ppCStr != NULL);
+
+ CHKiRet(cstrConstruct(ppCStr));
+
+ /* now read the line */
+ CHKiRet(strmReadChar(pThis, &c));
+ if (mode == 0){
+ while(c != '\n') {
+ CHKiRet(cstrAppendChar(*ppCStr, c));
+ CHKiRet(strmReadChar(pThis, &c));
+ }
+ CHKiRet(cstrFinalize(*ppCStr));
+ }
+ if (mode == 1){
+ finished=0;
+ while(finished == 0){
+ if(c != '\n') {
+ CHKiRet(cstrAppendChar(*ppCStr, c));
+ CHKiRet(strmReadChar(pThis, &c));
+ } else {
+ if ((((*ppCStr)->iStrLen) > 0) ){
+ if ((*ppCStr)->pBuf[(*ppCStr)->iStrLen -1 ] == '\n'){
+ rsCStrTruncate(*ppCStr,1); /* remove the prior newline */
+ finished=1;
+ } else {
+ CHKiRet(cstrAppendChar(*ppCStr, c));
+ CHKiRet(strmReadChar(pThis, &c));
+ }
+ } else {
+ finished=1; /* this is a blank line, a \n with nothing since the last complete record */
+ }
+ }
+ }
+ CHKiRet(cstrFinalize(*ppCStr));
+ }
+ if (mode == 2){
+ /* indented follow-up lines */
+ finished=0;
+ while(finished == 0){
+ if ((*ppCStr)->iStrLen == 0){
+ if(c != '\n') {
+ /* nothing in the buffer, and it's not a newline, add it to the buffer */
+ CHKiRet(cstrAppendChar(*ppCStr, c));
+ CHKiRet(strmReadChar(pThis, &c));
+ } else {
+ finished=1; /* this is a blank line, a \n with nothing since the last complete record */
+ }
+ } else {
+ if ((*ppCStr)->pBuf[(*ppCStr)->iStrLen -1 ] != '\n'){
+ /* not the first character after a newline, add it to the buffer */
+ CHKiRet(cstrAppendChar(*ppCStr, c));
+ CHKiRet(strmReadChar(pThis, &c));
+ } else {
+ if ((c == ' ') || (c == '\t')){
+ CHKiRet(cstrAppendChar(*ppCStr, c));
+ CHKiRet(strmReadChar(pThis, &c));
+ } else {
+ /* clean things up by putting the character we just read back into
+ * the input buffer and removing the LF character that is currently at the
+ * end of the output string */
+ CHKiRet(strmUnreadChar(pThis, c));
+ rsCStrTruncate(*ppCStr,1);
+ finished=1;
+ }
+ }
+ }
+ }
+ CHKiRet(cstrFinalize(*ppCStr));
}
- CHKiRet(cstrFinalize(*ppCStr));
finalize_it:
- if(iRet != RS_RET_OK && *ppCStr != NULL)
- cstrDestruct(ppCStr);
+ if(iRet != RS_RET_OK && *ppCStr != NULL)
+ cstrDestruct(ppCStr);
- RETiRet;
+ RETiRet;
}
@@ -644,7 +706,7 @@ static rsRetVal strmConstructFinalize(strm_t *pThis)
* to make sure we can write out everything with a SINGLE api call!
* We add another 128 bytes to take care of the gzip header and "all eventualities".
*/
- CHKmalloc(pThis->pZipBuf = (Bytef*) malloc(sizeof(uchar) * (pThis->sIOBufSize + 128)));
+ CHKmalloc(pThis->pZipBuf = (Bytef*) MALLOC(sizeof(uchar) * (pThis->sIOBufSize + 128)));
}
}
@@ -676,15 +738,21 @@ static rsRetVal strmConstructFinalize(strm_t *pThis)
pthread_cond_init(&pThis->isEmpty, 0);
pThis->iCnt = pThis->iEnq = pThis->iDeq = 0;
for(i = 0 ; i < STREAM_ASYNC_NUMBUFS ; ++i) {
- CHKmalloc(pThis->asyncBuf[i].pBuf = (uchar*) malloc(sizeof(uchar) * pThis->sIOBufSize));
+ CHKmalloc(pThis->asyncBuf[i].pBuf = (uchar*) MALLOC(sizeof(uchar) * pThis->sIOBufSize));
}
pThis->pIOBuf = pThis->asyncBuf[0].pBuf;
pThis->bStopWriter = 0;
- if(pthread_create(&pThis->writerThreadID, NULL, asyncWriterThread, pThis) != 0)
+ if(pthread_create(&pThis->writerThreadID,
+#ifdef HAVE_PTHREAD_SETSCHEDPARAM
+ &default_thread_attr,
+#else
+ NULL,
+#endif
+ asyncWriterThread, pThis) != 0)
DBGPRINTF("ERROR: stream %p cold not create writer thread\n", pThis);
} else {
/* we work synchronously, so we need to alloc a fixed pIOBuf */
- CHKmalloc(pThis->pIOBuf = (uchar*) malloc(sizeof(uchar) * pThis->sIOBufSize));
+ CHKmalloc(pThis->pIOBuf = (uchar*) MALLOC(sizeof(uchar) * pThis->sIOBufSize));
}
finalize_it:
@@ -942,7 +1010,7 @@ asyncWriterThread(void *pPtr)
{
int iDeq;
struct timespec t;
- bool bTimedOut = 0;
+ sbool bTimedOut = 0;
strm_t *pThis = (strm_t*) pPtr;
ISOBJ_TYPE_assert(pThis, strm);
@@ -955,7 +1023,6 @@ asyncWriterThread(void *pPtr)
while(1) { /* loop broken inside */
d_pthread_mutex_lock(&pThis->mut);
-dbgprintf("XXX: asyncWriterThread iterating %s\n", pThis->pszFName);
while(pThis->iCnt == 0) {
if(pThis->bStopWriter) {
pthread_cond_broadcast(&pThis->isEmpty);
@@ -971,7 +1038,6 @@ dbgprintf("XXX: asyncWriterThread iterating %s\n", pThis->pszFName);
bTimedOut = 0;
timeoutComp(&t, pThis->iFlushInterval * 2000); /* *1000 millisconds */ // TODO: check the 2000?!?
if(pThis->bDoTimedWait) {
-dbgprintf("asyncWriter thread going to timeout sleep\n");
if(pthread_cond_timedwait(&pThis->notEmpty, &pThis->mut, &t) != 0) {
int err = errno;
if(err == ETIMEDOUT) {
@@ -985,16 +1051,13 @@ dbgprintf("asyncWriter thread going to timeout sleep\n");
}
}
} else {
-dbgprintf("asyncWriter thread going to eternal sleep\n");
d_pthread_cond_wait(&pThis->notEmpty, &pThis->mut);
}
-dbgprintf("asyncWriter woke up\n");
}
bTimedOut = 0; /* we may have timed out, but there *is* work to do... */
iDeq = pThis->iDeq++ % STREAM_ASYNC_NUMBUFS;
-dbgprintf("asyncWriter writes data\n");
doWriteInternal(pThis, pThis->asyncBuf[iDeq].pBuf, pThis->asyncBuf[iDeq].lenBuf);
// TODO: error check????? 2009-07-06
@@ -1109,7 +1172,7 @@ doZipWrite(strm_t *pThis, uchar *pBuf, size_t lenBuf)
{
z_stream zstrm;
int zRet; /* zlib return state */
- bool bzInitDone = FALSE;
+ sbool bzInitDone = FALSE;
DEFiRet;
assert(pThis != NULL);
assert(pBuf != NULL);
@@ -1403,7 +1466,7 @@ strmSetFName(strm_t *pThis, uchar *pszName, size_t iLenName)
if(pThis->pszFName != NULL)
free(pThis->pszFName);
- if((pThis->pszFName = malloc(sizeof(uchar) * (iLenName + 1))) == NULL)
+ if((pThis->pszFName = MALLOC(sizeof(uchar) * (iLenName + 1))) == NULL)
ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY);
memcpy(pThis->pszFName, pszName, iLenName + 1); /* always think about the \0! */
@@ -1430,7 +1493,7 @@ strmSetDir(strm_t *pThis, uchar *pszDir, size_t iLenDir)
if(iLenDir < 1)
ABORT_FINALIZE(RS_RET_FILE_PREFIX_MISSING);
- CHKmalloc(pThis->pszDir = malloc(sizeof(uchar) * iLenDir + 1));
+ CHKmalloc(pThis->pszDir = MALLOC(sizeof(uchar) * (iLenDir + 1)));
memcpy(pThis->pszDir, pszDir, iLenDir + 1); /* always think about the \0! */
pThis->lenDir = iLenDir;
@@ -1528,6 +1591,46 @@ finalize_it:
}
+/* duplicate a stream object excluding dynamic properties. This function is
+ * primarily meant to provide a duplicate that later on can be used to access
+ * the data. This is needed, for example, for a restart of the disk queue.
+ * Note that ConstructFinalize() is NOT called. So our caller may change some
+ * properties before finalizing things.
+ * rgerhards, 2009-05-26
+ */
+rsRetVal
+strmDup(strm_t *pThis, strm_t **ppNew)
+{
+ strm_t *pNew = NULL;
+ DEFiRet;
+
+ ISOBJ_TYPE_assert(pThis, strm);
+ assert(ppNew != NULL);
+
+ CHKiRet(strmConstruct(&pNew));
+ pNew->sType = pThis->sType;
+ pNew->iCurrFNum = pThis->iCurrFNum;
+ CHKmalloc(pNew->pszFName = ustrdup(pThis->pszFName));
+ pNew->lenFName = pThis->lenFName;
+ CHKmalloc(pNew->pszDir = ustrdup(pThis->pszDir));
+ pNew->lenDir = pThis->lenDir;
+ pNew->tOperationsMode = pThis->tOperationsMode;
+ pNew->tOpenMode = pThis->tOpenMode;
+ pNew->iMaxFileSize = pThis->iMaxFileSize;
+ pNew->iMaxFiles = pThis->iMaxFiles;
+ pNew->iFileNumDigits = pThis->iFileNumDigits;
+ pNew->bDeleteOnClose = pThis->bDeleteOnClose;
+ pNew->iCurrOffs = pThis->iCurrOffs;
+
+ *ppNew = pNew;
+ pNew = NULL;
+
+finalize_it:
+ if(pNew != NULL)
+ strmDestruct(&pNew);
+
+ RETiRet;
+}
/* set a user write-counter. This counter is initialized to zero and
* receives the number of bytes written. It is accurate only after a
@@ -1643,6 +1746,7 @@ CODESTARTobjQueryInterface(strm)
pIf->RecordEnd = strmRecordEnd;
pIf->Serialize = strmSerialize;
pIf->GetCurrOffset = strmGetCurrOffset;
+ pIf->Dup = strmDup;
pIf->SetWCntr = strmSetWCntr;
/* set methods */
pIf->SetbDeleteOnClose = strmSetbDeleteOnClose;