init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
7020 changed files with 5689869 additions and 0 deletions
--- a/src/share/ob_simple_batch.cpp
+++ b/src/share/ob_simple_batch.cpp
@ -0,0 +1,118 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#define USING_LOG_PREFIX SHARE
+
+#include "share/ob_simple_batch.h"
+namespace oceanbase {
+namespace common {
+
+int64_t ObSimpleBatch::get_serialize_size(void) const
+{
+  int64_t len = 0;
+  OB_UNIS_ADD_LEN(type_);
+  if (T_NONE == type_) {
+    /*do nothing*/
+  } else if (OB_ISNULL(range_)) {
+    LOG_ERROR("NULL data on calc size", K(range_));
+  } else if (T_SCAN == type_) {
+    len += range_->get_serialize_size();
+  } else if (T_MULTI_SCAN == type_) {
+    len += ranges_->get_serialize_size();
+  }
+
+  return len;
+}
+
+int ObSimpleBatch::serialize(char* buf, const int64_t buf_len, int64_t& pos) const
+{
+  int ret = OB_SUCCESS;
+  OB_UNIS_ENCODE(type_);
+  if (OB_FAIL(ret)) {
+    // do nothing
+  } else if (T_NONE == type_) {
+    /* send nothing */
+  } else if (OB_ISNULL(range_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("NULL data", K(ret));
+  } else if (T_SCAN == type_) {
+    if (OB_FAIL(range_->serialize(buf, buf_len, pos))) {
+      LOG_WARN("fail to serialize range", K(ret));
+    }
+  } else if (T_MULTI_SCAN == type_) {
+    if (OB_FAIL(ranges_->serialize(buf, buf_len, pos))) {
+      LOG_WARN("fail to serialize ranges", K(ret));
+    }
+  }
+
+  return ret;
+}
+
+#define ALLOC_VAR(type, x)                                     \
+  do {                                                         \
+    if (OB_ISNULL(x = (type*)allocator.alloc(sizeof(type)))) { \
+      ret = OB_ERR_UNEXPECTED;                                 \
+      LOG_WARN("NULL value", K(ret), K(x));                    \
+    } else {                                                   \
+      (x) = new ((x)) type;                                    \
+    }                                                          \
+  } while (0)
+
+#define GET_DESERIALIZED_VAR(type, x)                                               \
+  do {                                                                              \
+    ALLOC_VAR(type, x);                                                             \
+    if (OB_SUCC(ret) && OB_FAIL((x)->deserialize(allocator, buf, data_len, pos))) { \
+      LOG_WARN("fail to serialize var", K(ret));                                    \
+    }                                                                               \
+  } while (0)
+
+int ObSimpleBatch::deserialize(common::ObIAllocator& allocator, const char* buf, const int64_t data_len, int64_t& pos)
+{
+  int ret = OB_SUCCESS;
+  if (OB_FAIL(serialization::decode(buf, data_len, pos, type_))) {
+    LOG_WARN("fail to deserialize batch type", K(ret));
+  } else if (T_NONE == type_) {
+    /* send nothing */
+  } else if (T_SCAN == type_) {
+    SQLScanRange* range = NULL;
+    GET_DESERIALIZED_VAR(SQLScanRange, range);
+    if (OB_SUCC(ret)) {
+      range_ = range;
+    }
+  } else if (T_MULTI_SCAN == type_) {
+    SQLScanRangeArray* ranges = NULL;
+    int64_t M = 0;
+    ALLOC_VAR(SQLScanRangeArray, ranges);
+    if (OB_SUCC(ret) && OB_FAIL(serialization::decode_vi64(buf, data_len, pos, ((int64_t*)(&M))))) {
+      LOG_WARN("failed to deserialize count", K(ret));
+    }
+
+    for (int64_t i = 0; OB_SUCC(ret) && i < M; i++) {
+      SQLScanRange range;
+      if (OB_FAIL(range.deserialize(allocator, buf, data_len, pos))) {
+        LOG_WARN("failed to deserialize range", K(ret));
+      } else if (OB_FAIL(ranges->push_back(range))) {
+        LOG_WARN("failed to push back range to batch", K(ret));
+      }
+    }
+    if (OB_SUCC(ret)) {
+      ranges_ = ranges;
+    }
+  }
+
+  return ret;
+}
+#undef ALLOC_VAR
+#undef GET_DESERIALIZED_VAR
+
+}  // namespace common
+}  // end namespace oceanbase