add checkpoint

include/libs/stream/streamSnapshot.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program 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.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _STREAM_BACKEDN_SNAPSHOT_H_
+#define _STREAM_BACKEDN_SNAPSHOT_H_
+#include "tcommon.h"
+
+typedef struct SStreamSnapReader SStreamSnapReader;
+typedef struct StreamSnapWriter  StreamSnapWriter;
+
+typedef struct SStreamSnapHandle SStreamSnapHandle;
+
+int32_t streamSnapReaderOpen(void* pMeta, int64_t sver, int64_t ever, void** ppReader);
+int32_t streamSnapReaderClose(void** ppReader);
+int32_t streamSnapRead(void* pReader, uint8_t** ppData);
+
+// SMetaSnapWriter ========================================
+int32_t streamSnapWriterOpen(void* pMeta, int64_t sver, int64_t ever, void** ppWriter);
+int32_t streamSnapWrite(void* pWriter, uint8_t* pData, uint32_t nData);
+int32_t streamSnapWriterClose(void** ppWriter, int8_t rollback);
+
+#endif

source/dnode/vnode/src/tq/tqStreamStateSnap.c

@@ -14,6 +14,7 @@
  */
 
 #include "meta.h"
+#include "streamSnapshot.h"
 #include "tdbInt.h"
 #include "tq.h"
 

source/libs/executor/src/executor.c

@@ -14,9 +14,9 @@
  */
 
 #include "executor.h"
-#include <libs/transport/trpc.h>
-#include <libs/wal/wal.h>
 #include "executorInt.h"
+#include "libs/transport/trpc.h"
+#include "libs/wal/wal.h"
 #include "operator.h"
 #include "planner.h"
 #include "querytask.h"
@@ -115,7 +115,8 @@ void resetTaskInfo(qTaskInfo_t tinfo) {
   clearStreamBlock(pTaskInfo->pRoot);
 }
 
-static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, size_t numOfBlocks, int32_t type, const char* id) {
+static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, size_t numOfBlocks, int32_t type,
+                                const char* id) {
   if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
     if (pOperator->numOfDownstream == 0) {
       qError("failed to find stream scan operator to set the input data block, %s" PRIx64, id);
@@ -214,7 +215,6 @@ void qGetCheckpointVersion(qTaskInfo_t tinfo, int64_t* dataVer, int64_t* ckId) {
   *ckId = pTaskInfo->streamInfo.checkPointId;
 }
 
-
 int32_t qSetMultiStreamInput(qTaskInfo_t tinfo, const void* pBlocks, size_t numOfBlocks, int32_t type) {
   if (tinfo == NULL) {
     return TSDB_CODE_APP_ERROR;
@@ -1158,8 +1158,9 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
       pScanInfo->scanTimes = 0;
 
       if (pScanBaseInfo->dataReader == NULL) {
-        int32_t code = pTaskInfo->storageAPI.tsdReader.tsdReaderOpen(pScanBaseInfo->readHandle.vnode, &pScanBaseInfo->cond, &keyInfo, 1,
+        int32_t code = pTaskInfo->storageAPI.tsdReader.tsdReaderOpen(
-                                      pScanInfo->pResBlock, (void**) &pScanBaseInfo->dataReader, id, false, NULL);
+            pScanBaseInfo->readHandle.vnode, &pScanBaseInfo->cond, &keyInfo, 1, pScanInfo->pResBlock,
+            (void**)&pScanBaseInfo->dataReader, id, false, NULL);
         if (code != TSDB_CODE_SUCCESS) {
           qError("prepare read tsdb snapshot failed, uid:%" PRId64 ", code:%s %s", pOffset->uid, tstrerror(code), id);
           terrno = code;
@@ -1217,8 +1218,8 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
       STableKeyInfo* pList = tableListGetInfo(pTableListInfo, 0);
       int32_t        size = tableListGetSize(pTableListInfo);
 
-      pTaskInfo->storageAPI.tsdReader.tsdReaderOpen(pInfo->vnode, &pTaskInfo->streamInfo.tableCond, pList, size, NULL, (void**) &pInfo->dataReader, NULL,
+      pTaskInfo->storageAPI.tsdReader.tsdReaderOpen(pInfo->vnode, &pTaskInfo->streamInfo.tableCond, pList, size, NULL,
-                     false, NULL);
+                                                    (void**)&pInfo->dataReader, NULL, false, NULL);
 
       cleanupQueryTableDataCond(&pTaskInfo->streamInfo.tableCond);
       strcpy(pTaskInfo->streamInfo.tbName, mtInfo.tbName);

source/libs/stream/inc/streamSnapshot.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program 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.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _STREAM_BACKEDN_SNAPSHOT_H_
+#define _STREAM_BACKEDN_SNAPSHOT_H_
+#include "tcommon.h"
+
+#endif

source/libs/stream/src/streamSnapshot.c

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program 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.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "streamSnapshot.h"
+#include "rocksdb/c.h"
+#include "tcommon.h"
+
+struct SStreamSnapHandle {
+  void*   handle;
+  SArray* fileList;
+};
+
+struct SStreamSnapReader {
+  void*   pMeta;
+  int64_t sver;
+  int64_t ever;
+};
+
+// SMetaSnapWriter ========================================
+struct StreamSnapWriter {
+  void*   pMeta;
+  int64_t sver;
+  int64_t ever;
+};
+
+void streamSnapHandleInit(SStreamSnapHandle* handle) {
+  // impl later
+  handle->fileList = taosArrayInit(32, sizeof(void*));
+  return;
+}
+void streamSnapHandleDestroy(SStreamSnapHandle* handle) {
+  for (int i = 0; handle && i < taosArrayGetSize(handle->fileList); i++) {
+    taosMemoryFree(taosArrayGetP(handle->fileList, i));
+  }
+  return;
+}
+
+int32_t streamSnapReaderOpen(void* pMeta, int64_t sver, int64_t ever, void** ppReader) {
+  // impl later
+  rocksdb_t* db = NULL;
+
+  return 0;
+}
+int32_t streamSnapReaderClose(void** ppReader) {
+  // impl later
+  return 0;
+}
+int32_t streamSnapRead(void* pReader, uint8_t** ppData) {
+  // impl later
+
+  return 0;
+}
+// SMetaSnapWriter ========================================
+int32_t streamSnapWriterOpen(void* pMeta, int64_t sver, int64_t ever, void** ppWriter) {
+  // impl later
+  return 0;
+}
+int32_t streamSnapWrite(void* pWriter, uint8_t* pData, uint32_t nData) {
+  // impl later
+  return 0;
+}
+int32_t streamSnapWriterClose(void** ppWriter, int8_t rollback) { return 0; }