!234 【openGauss】Add pldebugger feature

Merge pull request !234 from 宋清怡/master

configure

@@ -745,6 +745,7 @@ enable_multiple_nodes
 enable_memory_check
 enable_mysql_fdw
 enable_oracle_fdw
+enable_pldebugger
 enable_thread_check
 enable_shared
 default_gs_version
@@ -823,6 +824,7 @@ enable_multiple_nodes
 enable_memory_check
 enable_mysql_fdw
 enable_oracle_fdw
+enable_pldebugger
 enable_thread_check
 enable_spinlocks
 enable_debug
@@ -2893,6 +2895,29 @@ else
 
 fi
 
+# Check whether --enable-pldebugger was given.
+if test "${enable_pldebugger+set}" = set; then
+  enableval=$enable_pldebugger;
+  case $enableval in
+    yes)
+      :
+      ;;
+    no)
+      :
+      ;;
+    *)
+      { { $as_echo "$as_me:$LINENO: error: no argument expected for --enable-pldebugger option" >&5
+$as_echo "$as_me: error: no argument expected for --enable-pldebugger option" >&2;}
+   { (exit 1); exit 1; }; }
+      ;;
+  esac
+
+else
+  enable_pldebugger=no
+
+fi
+
+
 # Check whether --enable-thread-check was given.
 if test "${enable_thread_check+set}" = set; then
   enableval=$enable_thread_check;

contrib/pldebugger/Makefile

@@ -0,0 +1,49 @@
+#
+# Copyright (c) 2020 Huawei Technologies Co.,Ltd.
+#
+# openGauss is licensed under Mulan PSL v2.
+# You can use this software according to the terms and conditions of the Mulan PSL v2.
+# You may obtain a copy of Mulan PSL v2 at:
+#
+#          http://license.coscl.org.cn/MulanPSL2
+#
+# 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 PSL v2 for more details.
+# ---------------------------------------------------------------------------------------
+#
+# Makefile
+#     Makefile for the pldebugger
+#
+# IDENTIFICATION
+#        contrib/pldebugger/Makefile
+#
+# ---------------------------------------------------------------------------------------
+
+all:pldebuger_target
+install:install-data
+
+top_builddir = ../../
+PLDEBUGGER_DIR=$(top_builddir)/third_party/dependency/pldebugger
+#source code
+PLDEBUGGER_PACKAGE=pldebugger_3_0
+PLDEBUGGER_PATCH=huawei_pldebugger
+PLDEBUGGER_MEGRED_SOURCES_DIR=$(PLDEBUGGER_DIR)
+
+.PHONY: pldebugger_target
+pldebuger_target:
+	@$(call create_pldebugger_sources)
+	@make -C $(PLDEBUGGER_MEGRED_SOURCES_DIR)/$(PLDEBUGGER_PACKAGE)
+
+.PHONY: install-data
+install-data: pldebugger_target
+	@make -C $(PLDEBUGGER_MEGRED_SOURCES_DIR)/$(PLDEBUGGER_PACKAGE) install
+
+uninstall distclean clean:
+	@rm -rf $(PLDEBUGGER_MEGRED_SOURCES_DIR)/$(PLDEBUGGER_PACKAGE)
+define create_pldebugger_sources
+        cd $(PLDEBUGGER_DIR); \
+        sh patch.sh;  \
+        cd - ;
+endef

src/Makefile.global.in

@@ -173,6 +173,7 @@ enable_jemalloc_debug	= @enable_jemalloc_debug@
 enable_multiple_nodes		= @enable_multiple_nodes@
 enable_mysql_fdw 		= @enable_mysql_fdw@
 enable_oracle_fdw		= @enable_oracle_fdw@
+enable_pldebugger		= @enable_pldebugger@
 enable_memory_check		= @enable_memory_check@
 enable_memory_check_core	= @enable_memory_check_core@
 enable_thread_check		= @enable_thread_check@

src/gausskernel/Makefile

@@ -36,6 +36,10 @@ ifeq ($(enable_oracle_fdw), yes)
 	SUBDIRS += $(top_builddir)/contrib/oracle_fdw
 endif
 
+ifeq ($(enable_pldebugger), yes)
+	SUBDIRS += $(top_builddir)/contrib/pldebugger-master
+endif
+
 ifeq ($(enable_multiple_nodes), yes)
 SUBDIRS +=  ../distribute/kernel ../distribute/kernel/extension/roach_api ../distribute/kernel/extension/dimsearch/main \
 	../distribute/kernel/extension/tsdb

src/gausskernel/storage/lmgr/lwlock.cpp

@@ -155,7 +155,8 @@ static const char *BuiltinTrancheNames[] = {
     "LWTRANCHE_ACCOUNT_TABLE",
     "GeneralExtendedLock",
     /* LWTRANCHE_GTT_CTL */
-    "GlobalTempTableControl"
+    "GlobalTempTableControl",
+    "PLdebugger"
 };
 
 static void RegisterLWLockTranches(void);

src/include/knl/knl_session.h

@@ -2030,12 +2030,16 @@ enum knl_ext_fdw_type {
     MYSQL_TYPE_FDW,
     ORACLE_TYPE_FDW,
     POSTGRES_TYPE_FDW,
+    PLDEBUG_TYPE,
     /* Add new external FDW type before MAX_TYPE_FDW */
     MAX_TYPE_FDW
 };
 
 typedef struct knl_u_ext_fdw_context {
-    void* connList;                     /* Connection info to other DB */
+    union {
+        void* connList;                     /* Connection info to other DB */
+        void* pldbg_ctx;                    /* Pldebugger info */
+    };
     pg_on_exit_callback fdwExitFunc;    /* Exit callback, will be called when session exit */
 } knl_u_ext_fdw_context;
 

src/include/storage/lwlock.h

@@ -143,6 +143,7 @@ enum BuiltinTrancheIds {
     LWTRANCHE_ACCOUNT_TABLE,
     LWTRANCHE_EXTEND,  // For general 3rd plugin
     LWTRANCHE_GTT_CTL, // For GTT
+    LWTRANCHE_PLDEBUG, // For Pldebugger
 
     /*
      * Each trancheId above should have a corresponding item in BuiltinTrancheNames;

third_party/dependency/pldebugger/patch.sh

@@ -0,0 +1,8 @@
+rm -rf pldebugger_3_0
+tar xfzv pldebugger_3_0.tar.gz &> /dev/null
+rename ".c" ".cpp" pldebugger_3_0/*.c
+file_name="huawei_pldebugger.patch"
+if [ ! -f "$file_name" ]; then 
+	exit 0; 
+fi
+patch -p0 -d pldebugger_3_0 < $file_name