Merge remote-tracking branch 'origin/3.0' into feature/dnode3

cmake/cmake.options

@@ -56,6 +56,12 @@ option(
     OFF
 )
 
+option(
+    BUILD_WITH_TRAFT
+    "If build with traft"
+    OFF
+)
+
 option(
     BUILD_DEPENDENCY_TESTS 
     "If build dependency tests" 

cmake/traft_CMakeLists.txt.in

+
+# traft
+ExternalProject_Add(traft
+        GIT_REPOSITORY https://github.com/taosdata/traft.git
+        GIT_TAG for_3.0
+        SOURCE_DIR "${CMAKE_CONTRIB_DIR}/traft"
+        BINARY_DIR "${CMAKE_CONTRIB_DIR}/traft"
+        #BUILD_IN_SOURCE TRUE
+        # https://answers.ros.org/question/333125/how-to-include-external-automakeautoconf-projects-into-ament_cmake/
+        CONFIGURE_COMMAND COMMAND autoreconf -i COMMAND ./configure --enable-example
+        BUILD_COMMAND "$(MAKE)"
+        INSTALL_COMMAND ""
+        TEST_COMMAND ""
+)

contrib/CMakeLists.txt

@@ -41,6 +41,12 @@ if(${BUILD_WITH_CRAFT})
     SET(BUILD_WITH_UV ON CACHE BOOL "craft need libuv" FORCE)
 endif(${BUILD_WITH_CRAFT})
 
+# traft
+if(${BUILD_WITH_TRAFT})
+    cat("${CMAKE_SUPPORT_DIR}/traft_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
+    SET(BUILD_WITH_UV ON CACHE BOOL "traft need libuv" FORCE)
+endif(${BUILD_WITH_TRAFT})
+
 #libuv
 if(${BUILD_WITH_UV})
     cat("${CMAKE_SUPPORT_DIR}/libuv_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
@@ -173,6 +179,18 @@ if(${BUILD_WITH_CRAFT})
     # )
 endif(${BUILD_WITH_CRAFT})
 
+# TRAFT
+if(${BUILD_WITH_TRAFT})
+    add_library(traft STATIC IMPORTED GLOBAL)
+    set_target_properties(traft PROPERTIES
+        IMPORTED_LOCATION "${CMAKE_CURRENT_SOURCE_DIR}/traft/.libs/libraft.a"
+        INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/traft/include"
+    )
+    # target_link_libraries(craft
+    #     INTERFACE pthread
+    # )
+endif(${BUILD_WITH_TRAFT})
+
 # LIBUV
 if(${BUILD_WITH_UV})
     add_subdirectory(libuv)

contrib/test/CMakeLists.txt

@@ -19,4 +19,8 @@ if(${BUILD_WITH_CRAFT})
     add_subdirectory(craft)
 endif(${BUILD_WITH_CRAFT})
 
+if(${BUILD_WITH_TRAFT})
+    add_subdirectory(traft)
+endif(${BUILD_WITH_TRAFT})
+
 add_subdirectory(tdev)

contrib/test/craft/common.h

@@ -20,6 +20,7 @@ typedef struct {
 } Addr;
 
 typedef struct {
+	int voter;
     Addr me;
     Addr peers[MAX_PEERS];
     int peersCount;

contrib/test/craft/raftMain.c

@@ -104,7 +104,7 @@ const char* state2String(unsigned short state) {
 void printRaftConfiguration(struct raft_configuration *c) {
 	printf("configuration: \n");
 	for (int i = 0; i < c->n; ++i) {
-		printf("%llu -- %d -- %s\n", c->servers->id, c->servers->role, c->servers->address);
+		printf("%llu -- %d -- %s\n", c->servers[i].id, c->servers[i].role, c->servers[i].address);
 	}
 }
 
@@ -119,11 +119,9 @@ void printRaftState(struct raft *r) {
     printf("last_applied: %llu \n", r->last_applied);
     printf("last_stored: %llu \n", r->last_stored);
 
-	/*
     printf("configuration_index: %llu \n", r->configuration_index);
     printf("configuration_uncommitted_index: %llu \n", r->configuration_uncommitted_index);
 	printRaftConfiguration(&r->configuration);
-	*/
 
 	printf("----------------------------\n");
 }
@@ -164,6 +162,18 @@ void getValue(const char *key) {
 	}
 }
 
+void raft_change_cb_add(struct raft_change *req, int status) {
+	printf("raft_change_cb_add status:%d ... \n", status);
+}
+
+void raft_change_cb_assign(struct raft_change *req, int status) {
+	printf("raft_change_cb_assign status:%d ... \n", status);
+}
+
+void raft_change_cb_remove(struct raft_change *req, int status) {
+	printf("raft_change_cb_remove status:%d ... \n", status);
+}
+
 void console(SRaftServer *pRaftServer) {
 	while (1) {
 		char cmd_buf[COMMAND_LEN];
@@ -193,30 +203,59 @@ void console(SRaftServer *pRaftServer) {
 
 		parseCommand(cmd_buf, cmd, param1, param2, TOKEN_LEN);
 		if (strcmp(cmd, "addnode") == 0) {
-			printf("not support \n");
+			//printf("not support \n");
 
-			/*
 			char host[HOST_LEN];
 			uint32_t port;
 			parseAddr(param1, host, HOST_LEN, &port);
 			uint64_t rid = raftId(host, port);
 
 			struct raft_change *req = raft_malloc(sizeof(*req));
-			int r = raft_add(&pRaftServer->raft, req, rid, param1, NULL);
+			int r = raft_add(&pRaftServer->raft, req, rid, param1, raft_change_cb_add);
 			if (r != 0) {
-				printf("raft_add: %s \n", raft_errmsg(&pRaftServer->raft));
+				printf("raft_add error: %s \n", raft_errmsg(&pRaftServer->raft));
 			}
 			printf("add node: %lu %s \n", rid, param1);
 
 			struct raft_change *req2 = raft_malloc(sizeof(*req2));
-			r = raft_assign(&pRaftServer->raft, req2, rid, RAFT_VOTER, NULL);
+			r = raft_assign(&pRaftServer->raft, req2, rid, RAFT_VOTER, raft_change_cb_assign);
+			if (r != 0) {
+				printf("raft_assign error: %s \n", raft_errmsg(&pRaftServer->raft));
+			}
+			printf("raft_assign: %s %d \n", param1, RAFT_VOTER);
+
+		} else if (strcmp(cmd, "activate") == 0) {
+			char host[HOST_LEN];
+			uint32_t port;
+			parseAddr(param1, host, HOST_LEN, &port);
+			uint64_t rid = raftId(host, port);
+
+
+			struct raft_change *req2 = raft_malloc(sizeof(*req2));
+			int r = raft_assign(&pRaftServer->raft, req2, rid, RAFT_VOTER, raft_change_cb_assign);
 			if (r != 0) {
-				printf("raft_assign: %s \n", raft_errmsg(&pRaftServer->raft));
+				printf("raft_assign error: %s \n", raft_errmsg(&pRaftServer->raft));
 			}
-			*/
+			printf("raft_assign: %s %d \n", param1, RAFT_VOTER);
+
+
+
+
 
 		} else if (strcmp(cmd, "dropnode") == 0) {
-			printf("not support \n");
+			char host[HOST_LEN];
+			uint32_t port;
+			parseAddr(param1, host, HOST_LEN, &port);
+			uint64_t rid = raftId(host, port);
+			
+			struct raft_change *req = raft_malloc(sizeof(*req));
+			int r = raft_remove(&pRaftServer->raft, req, rid, raft_change_cb_remove);
+			if (r != 0) {
+				printf("raft_remove: %s \n", raft_errmsg(&pRaftServer->raft));
+			}
+			printf("drop node: %lu %s \n", rid, param1);
+			
+
 
 		} else if (strcmp(cmd, "put") == 0) {
 			char buf[256];
@@ -234,6 +273,7 @@ void console(SRaftServer *pRaftServer) {
 
 		} else if (strcmp(cmd, "help") == 0) {
 			printf("addnode \"127.0.0.1:8888\" \n");
+			printf("activate \"127.0.0.1:8888\" \n");
 			printf("dropnode \"127.0.0.1:8888\" \n");
 			printf("put key value \n");
 			printf("get key \n");
@@ -256,7 +296,9 @@ void *startConsoleFunc(void *param) {
 // Config ---------------------------------
 void usage() {
 	printf("\nusage: \n");
-	printf("%s --me=127.0.0.1:10000 --dir=./data \n", exe_name);
+	printf("%s --me=127.0.0.1:10000 --dir=./data --voter \n", exe_name);
+	printf("%s --me=127.0.0.1:10001 --dir=./data \n", exe_name);
+	printf("%s --me=127.0.0.1:10002 --dir=./data \n", exe_name);
 	printf("\n");
 	printf("%s --me=127.0.0.1:10000 --peers=127.0.0.1:10001,127.0.0.1:10002 --dir=./data \n", exe_name);
 	printf("%s --me=127.0.0.1:10001 --peers=127.0.0.1:10000,127.0.0.1:10002 --dir=./data \n", exe_name);
@@ -271,13 +313,15 @@ void parseConf(int argc, char **argv, SRaftServerConfig *pConf) {
     option_index = 0;
     static struct option long_options[] = {
         {"help", no_argument, NULL, 'h'},
+        {"voter", no_argument, NULL, 'v'},
         {"peers", required_argument, NULL, 'p'},
         {"me", required_argument, NULL, 'm'},
         {"dir", required_argument, NULL, 'd'},
         {NULL, 0, NULL, 0}
     };
 
-    while ((option_value = getopt_long(argc, argv, "hp:m:d:", long_options, &option_index)) != -1) {
+	pConf->voter = 0;
+    while ((option_value = getopt_long(argc, argv, "hvp:m:d:", long_options, &option_index)) != -1) {
         switch (option_value) {
         	case 'm': {
 				parseAddr(optarg, pConf->me.host, sizeof(pConf->me.host), &pConf->me.port);
@@ -295,6 +339,10 @@ void parseConf(int argc, char **argv, SRaftServerConfig *pConf) {
 				break;
 			}
 
+			case 'v': {
+				pConf->voter = 1;
+				break;
+			}
 
 			case 'd': {
 				snprintf(pConf->dir, sizeof(pConf->dir), "%s", optarg);
@@ -338,6 +386,8 @@ int main(int argc, char **argv) {
 		exit(-1);
 	}
 
+	signal(SIGPIPE, SIG_IGN);
+
 	SRaftServerConfig conf;
 	parseConf(argc, argv, &conf);
 	printConf(&conf);	

contrib/test/craft/raftServer.c

@@ -85,29 +85,45 @@ int32_t raftServerInit(SRaftServer *pRaftServer, const SRaftServerConfig *pConf,
 	pRaftServer->fsm = pFsm;
 
 	ret = uv_loop_init(&pRaftServer->loop);
-	if (!ret) {
+	if (ret != 0) {
 		fprintf(stderr, "%s \n", raft_errmsg(&pRaftServer->raft));
+		assert(0);
 	}
 
 	ret = raft_uv_tcp_init(&pRaftServer->transport, &pRaftServer->loop);
-	if (!ret) {
+	if (ret != 0) {
 		fprintf(stderr, "%s \n", raft_errmsg(&pRaftServer->raft));
+		assert(0);
 	}
 
 	ret = raft_uv_init(&pRaftServer->io, &pRaftServer->loop, pRaftServer->dir, &pRaftServer->transport);
-	if (!ret) {
+	if (ret != 0) {
 		fprintf(stderr, "%s \n", raft_errmsg(&pRaftServer->raft));
+		assert(0);
 	}
 
 	ret = raft_init(&pRaftServer->raft, &pRaftServer->io, pRaftServer->fsm, pRaftServer->raftId, pRaftServer->address);
-	if (!ret) {
+	if (ret != 0) {
 		fprintf(stderr, "%s \n", raft_errmsg(&pRaftServer->raft));
+		assert(0);
 	}
 
     struct raft_configuration conf;
     raft_configuration_init(&conf);
+
+	if (pConf->voter == 0) {
+    	raft_configuration_add(&conf, pRaftServer->raftId, pRaftServer->address, RAFT_SPARE);
+
+	} else {
     	raft_configuration_add(&conf, pRaftServer->raftId, pRaftServer->address, RAFT_VOTER);
+
+	}
+
+	
+
 	printf("add myself: %llu - %s \n", pRaftServer->raftId, pRaftServer->address);
+
+
 	for (int i = 0; i < pConf->peersCount; ++i) {
 		const Addr *pAddr = &pConf->peers[i];
 		raft_id rid = raftId(pAddr->host, pAddr->port);

contrib/test/traft/CMakeLists.txt

+add_executable(raftMain "")
+target_sources(raftMain 
+  PRIVATE
+  "raftMain.c" 
+  "raftServer.c"
+)
+target_link_libraries(raftMain PUBLIC traft lz4 uv_a)

contrib/test/traft/clear.sh

+#!/bin/bash
+
+rm -rf 127.0.0.1*
+rm -rf ./data

contrib/test/traft/common.h

+#ifndef TDENGINE_COMMON_H
+#define TDENGINE_COMMON_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#define MAX_INSTANCE_NUM 100
+
+#define MAX_PEERS 10
+#define COMMAND_LEN 1024
+#define TOKEN_LEN 128
+#define DIR_LEN 256
+#define HOST_LEN 64
+#define ADDRESS_LEN (HOST_LEN + 16)
+
+typedef struct {
+    char host[HOST_LEN];
+    uint32_t port;
+} Addr;
+
+typedef struct {
+    Addr me;
+    Addr peers[MAX_PEERS];
+    int peersCount;
+    char dir[DIR_LEN];
+    char dataDir[DIR_LEN + HOST_LEN * 2];
+} SRaftServerConfig;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // TDENGINE_COMMON_H

contrib/test/traft/help.txt

+
+make raftServer
+
+all:
+	gcc raftMain.c raftServer.c -I ../../traft/include/ ../../traft/.libs/libraft.a -o raftMain -luv -llz4 -lpthread -g
+clean:
+	rm -f raftMain
+	sh clear.sh
+
+
+make traft:
+
+sudo apt-get install libuv1-dev liblz4-dev
+autoreconf -i
+./configure --enable-example
+make
+
+

contrib/test/traft/raftMain.c

+#include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <string.h>
+#include <assert.h>
+#include <getopt.h>
+#include <time.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <raft.h>
+#include <raft/uv.h>
+#include "raftServer.h"
+#include "common.h"
+
+const char *exe_name;
+
+typedef struct LeaderState {
+	char address[48];
+	int leaderCount;
+
+} LeaderState;
+
+#define NODE_COUNT 3
+LeaderState leaderStates[NODE_COUNT];
+
+void printLeaderCount() {
+	for (int i = 0; i < NODE_COUNT; ++i) {
+		printf("%s: leaderCount:%d \n", leaderStates[i].address, leaderStates[i].leaderCount);
+	}
+}
+
+void updateLeaderStates(SRaftServer *pRaftServer) {
+	for (int i = 0; i < pRaftServer->instance[0].raft.configuration.n; ++i) {
+		snprintf(leaderStates[i].address, sizeof(leaderStates[i].address), "%s", pRaftServer->instance[0].raft.configuration.servers[i].address);
+		leaderStates[i].leaderCount = 0;
+	}
+
+	for (int i = 0; i < pRaftServer->instanceCount; ++i) {
+	    struct raft *r = &pRaftServer->instance[i].raft;
+
+    	char leaderAddress[128];
+    	memset(leaderAddress, 0, sizeof(leaderAddress));
+
+    	if (r->state == RAFT_LEADER) {
+    	    snprintf(leaderAddress, sizeof(leaderAddress), "%s", r->address);
+    	} else if (r->state == RAFT_FOLLOWER) {
+    	    snprintf(leaderAddress, sizeof(leaderAddress), "%s", r->follower_state.current_leader.address);
+    	}
+
+		for (int j = 0; j < NODE_COUNT; j++) {
+			if (strcmp(leaderAddress, leaderStates[j].address) == 0) {
+				leaderStates[j].leaderCount++;
+			}
+		}
+	}
+}
+
+
+void raftTransferCb(struct raft_transfer *req) {
+	SRaftServer *pRaftServer = req->data;
+	raft_free(req);
+
+	printf("raftTransferCb: \n");
+	updateLeaderStates(pRaftServer);
+	printLeaderCount();
+
+	int myLeaderCount;
+	for (int i = 0; i < NODE_COUNT; ++i) {
+		if (strcmp(pRaftServer->address, leaderStates[i].address) == 0) {
+			myLeaderCount = leaderStates[i].leaderCount;
+		}
+	}
+
+	printf("myLeaderCount:%d waterLevel:%d \n", myLeaderCount, pRaftServer->instanceCount / NODE_COUNT);
+	if (myLeaderCount > pRaftServer->instanceCount / NODE_COUNT) {
+		struct raft *r;
+		for (int j = 0; j < pRaftServer->instanceCount; ++j) {
+			if (pRaftServer->instance[j].raft.state == RAFT_LEADER) {
+				r = &pRaftServer->instance[j].raft;
+			}
+		}
+
+		struct raft_transfer *transfer = raft_malloc(sizeof(*transfer));
+		transfer->data = pRaftServer;
+
+		uint64_t destRaftId;
+		int minIndex = -1;
+		int minLeaderCount = myLeaderCount;
+		for (int j = 0; j < NODE_COUNT; ++j) {
+			if (strcmp(leaderStates[j].address, pRaftServer->address) == 0) continue;
+			if (leaderStates[j].leaderCount <= minLeaderCount) {
+				minIndex = j;
+			}
+		}
+
+		char myHost[48];
+		uint16_t myPort;
+		uint16_t myVid;
+		decodeRaftId(r->id, myHost, sizeof(myHost), &myPort, &myVid);
+		
+		char *destAddress = leaderStates[minIndex].address;
+
+		char tokens[MAX_PEERS][MAX_TOKEN_LEN];
+		splitString(destAddress, ":", tokens, 2);
+		char *destHost = tokens[0];
+		uint16_t destPort = atoi(tokens[1]);
+		destRaftId = encodeRaftId(destHost, destPort, myVid);
+
+		raft_transfer(r, transfer, destRaftId, raftTransferCb);			
+	}
+
+}
+
+
+void parseAddr(const char *addr, char *host, int len, uint32_t *port) {
+	char* tmp = (char*)malloc(strlen(addr) + 1);
+	strcpy(tmp, addr);
+
+	char* context;
+	char* separator = ":";
+	char* token = strtok_r(tmp, separator, &context);
+	if (token) {
+		snprintf(host, len, "%s", token);
+	}
+
+	token = strtok_r(NULL, separator, &context);
+	if (token) {
+		sscanf(token, "%u", port);
+	}
+
+	free(tmp);
+}
+
+// only parse 3 tokens
+int parseCommand3(const char* str, char* token1, char* token2, char* token3, int len)
+{
+    char* tmp = (char*)malloc(strlen(str) + 1);
+    strcpy(tmp, str);
+
+    char* context;
+    char* separator = " ";
+    int n = 0;
+
+    char* token = strtok_r(tmp, separator, &context);
+    if (!token) {
+ 	   goto ret;
+    }
+    if (strcmp(token, "") != 0) {
+    	strncpy(token1, token, len);
+    	n++;
+    }
+
+    token = strtok_r(NULL, separator, &context);
+    if (!token) {
+    	goto ret;
+   	}
+    if (strcmp(token, "") != 0) {
+    	strncpy(token2, token, len);
+    	n++;
+    }
+
+    token = strtok_r(NULL, separator, &context);
+    if (!token) {
+    	goto ret;
+    }
+    if (strcmp(token, "") != 0) {
+    	strncpy(token3, token, len);
+    	n++;
+    }
+
+ret:
+    return n;
+    free(tmp);
+}
+
+// only parse 4 tokens
+int parseCommand4(const char* str, char* token1, char* token2, char* token3, char *token4, int len)
+{
+    char* tmp = (char*)malloc(strlen(str) + 1);
+    strcpy(tmp, str);
+
+    char* context;
+    char* separator = " ";
+    int n = 0;
+
+    char* token = strtok_r(tmp, separator, &context);
+    if (!token) {
+ 	   goto ret;
+    }
+    if (strcmp(token, "") != 0) {
+    	strncpy(token1, token, len);
+    	n++;
+    }
+
+    token = strtok_r(NULL, separator, &context);
+    if (!token) {
+    	goto ret;
+   	}
+    if (strcmp(token, "") != 0) {
+    	strncpy(token2, token, len);
+    	n++;
+    }
+
+    token = strtok_r(NULL, separator, &context);
+    if (!token) {
+    	goto ret;
+    }
+    if (strcmp(token, "") != 0) {
+    	strncpy(token3, token, len);
+    	n++;
+    }
+
+    token = strtok_r(NULL, separator, &context);
+    if (!token) {
+    	goto ret;
+    }
+    if (strcmp(token, "") != 0) {
+    	strncpy(token4, token, len);
+    	n++;
+    }
+
+ret:
+    return n;
+    free(tmp);
+}
+
+void *startServerFunc(void *param) {
+	SRaftServer *pServer = (SRaftServer*)param;
+	int32_t r = raftServerStart(pServer);
+	assert(r == 0);
+
+	return NULL;
+}
+
+// Console ---------------------------------
+const char* state2String(unsigned short state) {
+    if (state == RAFT_UNAVAILABLE) {
+        return "RAFT_UNAVAILABLE";
+
+    } else if (state == RAFT_FOLLOWER) {
+        return "RAFT_FOLLOWER";
+
+    } else if (state == RAFT_CANDIDATE) {
+        return "RAFT_CANDIDATE";
+
+    } else if (state == RAFT_LEADER) {
+        return "RAFT_LEADER";
+
+    }
+    return "UNKNOWN_RAFT_STATE";
+}
+
+
+void printRaftState2(struct raft *r) {
+
+	char leaderAddress[128];
+	memset(leaderAddress, 0, sizeof(leaderAddress));
+
+	if (r->state == RAFT_LEADER) {
+		snprintf(leaderAddress, sizeof(leaderAddress), "%s", r->address);
+	} else if (r->state == RAFT_FOLLOWER) {
+		snprintf(leaderAddress, sizeof(leaderAddress), "%s", r->follower_state.current_leader.address);
+	}
+
+	for (int i = 0; i < r->configuration.n; ++i) {
+		char tmpAddress[128];
+		snprintf(tmpAddress, sizeof(tmpAddress), "%s", r->configuration.servers[i].address);
+
+		uint64_t raftId = r->configuration.servers[i].id;
+		char host[128];
+		uint16_t port;
+		uint16_t vid;
+		decodeRaftId(raftId, host, 128, &port, &vid);
+
+		char buf[512];
+		memset(buf, 0, sizeof(buf));
+		if (strcmp(tmpAddress, leaderAddress) == 0) {
+			snprintf(buf, sizeof(buf), "<%s:%u-%u-LEADER>\t", host, port, vid);
+		} else {
+			snprintf(buf, sizeof(buf), "<%s:%u-%u-FOLLOWER>\t", host, port, vid);
+		}
+		printf("%s", buf);
+	}
+	printf("\n");
+}
+
+void printRaftConfiguration(struct raft_configuration *c) {
+	printf("configuration: \n");
+	for (int i = 0; i < c->n; ++i) {
+		printf("%llu -- %d -- %s\n", c->servers[i].id, c->servers[i].role, c->servers[i].address);
+	}
+}
+
+void printRaftState(struct raft *r) {
+    printf("----Raft State: -----------\n");
+    printf("mem_addr: %p \n", r);
+    printf("my_id: %llu \n", r->id);
+    printf("address: %s \n", r->address);
+    printf("current_term: %llu \n", r->current_term);
+    printf("voted_for: %llu \n", r->voted_for);
+    printf("role: %s \n", state2String(r->state));
+    printf("commit_index: %llu \n", r->commit_index);
+    printf("last_applied: %llu \n", r->last_applied);
+    printf("last_stored: %llu \n", r->last_stored);
+
+    printf("configuration_index: %llu \n", r->configuration_index);
+    printf("configuration_uncommitted_index: %llu \n", r->configuration_uncommitted_index);
+	printRaftConfiguration(&r->configuration);
+
+	printf("----------------------------\n");
+}
+
+void putValueCb(struct raft_apply *req, int status, void *result) {
+    raft_free(req);
+	struct raft *r = req->data;
+	if (status != 0) {
+		printf("putValueCb: %s \n", raft_errmsg(r));
+	} else {
+		printf("putValueCb: %s \n", "ok");
+	}
+}
+
+void putValue(struct raft *r, const char *value) {
+    struct raft_buffer buf;
+
+    buf.len = TOKEN_LEN;;
+    buf.base = raft_malloc(buf.len);
+	snprintf(buf.base, buf.len, "%s", value);
+
+    struct raft_apply *req = raft_malloc(sizeof(struct raft_apply));
+	req->data = r;
+    int ret = raft_apply(r, req, &buf, 1, putValueCb);
+	if (ret == 0) {
+    	printf("put %s \n", (char*)buf.base);
+	} else {
+		printf("put error: %s \n", raft_errmsg(r));
+	}
+}
+
+void getValue(const char *key) {
+	char *ptr = getKV(key);
+	if (ptr) {
+		printf("get value: [%s] \n", ptr);
+	} else {
+		printf("value not found for key: [%s] \n", key);
+	}
+}
+
+void console(SRaftServer *pRaftServer) {
+	while (1) {
+		char cmd_buf[COMMAND_LEN];
+		memset(cmd_buf, 0, sizeof(cmd_buf));
+		char *ret = fgets(cmd_buf, COMMAND_LEN, stdin);
+		if (!ret) {
+			exit(-1);
+		}
+
+		int pos = strlen(cmd_buf);                  
+		if(cmd_buf[pos - 1] == '\n') {
+			cmd_buf[pos - 1] = '\0';
+		}
+
+		if (strncmp(cmd_buf, "", COMMAND_LEN) == 0) {
+			continue;
+		}
+
+		char cmd[TOKEN_LEN];
+		memset(cmd, 0, sizeof(cmd));
+
+		char param1[TOKEN_LEN];
+		memset(param1, 0, sizeof(param1));
+
+		char param2[TOKEN_LEN];
+		memset(param2, 0, sizeof(param2));
+
+		char param3[TOKEN_LEN];
+		memset(param2, 0, sizeof(param2));
+
+		parseCommand4(cmd_buf, cmd, param1, param2, param3, TOKEN_LEN);
+		if (strcmp(cmd, "addnode") == 0) {
+			printf("not support \n");
+
+			/*
+			char host[HOST_LEN];
+			uint32_t port;
+			parseAddr(param1, host, HOST_LEN, &port);
+			uint64_t rid = raftId(host, port);
+
+			struct raft_change *req = raft_malloc(sizeof(*req));
+			int r = raft_add(&pRaftServer->raft, req, rid, param1, NULL);
+			if (r != 0) {
+				printf("raft_add: %s \n", raft_errmsg(&pRaftServer->raft));
+			}
+			printf("add node: %lu %s \n", rid, param1);
+
+			struct raft_change *req2 = raft_malloc(sizeof(*req2));
+			r = raft_assign(&pRaftServer->raft, req2, rid, RAFT_VOTER, NULL);
+			if (r != 0) {
+				printf("raft_assign: %s \n", raft_errmsg(&pRaftServer->raft));
+			}
+			*/
+
+		} else if (strcmp(cmd, "dropnode") == 0) {
+			printf("not support \n");
+
+		} else if (strcmp(cmd, "rebalance") == 0) {
+
+			/*
+			updateLeaderStates(pRaftServer);
+
+		    int myLeaderCount;
+		    for (int i = 0; i < NODE_COUNT; ++i) {
+		        if (strcmp(pRaftServer->address, leaderStates[i].address) == 0) {
+		            myLeaderCount = leaderStates[i].leaderCount;
+		        }
+		    }
+		
+		    while (myLeaderCount > pRaftServer->instanceCount / NODE_COUNT) {
+		    	printf("myLeaderCount:%d waterLevel:%d \n", myLeaderCount, pRaftServer->instanceCount / NODE_COUNT);
+
+		        struct raft *r;
+		        for (int j = 0; j < pRaftServer->instanceCount; ++j) {
+		            if (pRaftServer->instance[j].raft.state == RAFT_LEADER) {
+		                r = &pRaftServer->instance[j].raft;
+		            }
+		        }
+		
+		        struct raft_transfer *transfer = raft_malloc(sizeof(*transfer));
+		        transfer->data = pRaftServer;
+		
+		        uint64_t destRaftId;
+		        int minIndex = -1;
+		        int minLeaderCount = myLeaderCount;
+		        for (int j = 0; j < NODE_COUNT; ++j) {
+		            if (strcmp(leaderStates[j].address, pRaftServer->address) == 0) continue;
+
+					printf("-----leaderStates[%d].leaderCount:%d \n", j, leaderStates[j].leaderCount);
+		            if (leaderStates[j].leaderCount <= minLeaderCount) {
+		                minIndex = j;
+						printf("++++ assign minIndex : %d \n", minIndex);
+		            }
+		        }
+		
+				printf("minIndex:%d minLeaderCount:%d \n", minIndex, minLeaderCount);
+
+		        char myHost[48];
+		        uint16_t myPort;
+		        uint16_t myVid;
+		        decodeRaftId(r->id, myHost, sizeof(myHost), &myPort, &myVid);
+		
+		        char *destAddress = leaderStates[minIndex].address;
+		
+		        char tokens[MAX_PEERS][MAX_TOKEN_LEN];
+		        splitString(destAddress, ":", tokens, 2);
+		        char *destHost = tokens[0];
+		        uint16_t destPort = atoi(tokens[1]);
+		        destRaftId = encodeRaftId(destHost, destPort, myVid);
+		
+				printf("destHost:%s destPort:%u myVid:%u", destHost, destPort, myVid);
+		        raft_transfer(r, transfer, destRaftId, raftTransferCb);
+				sleep(1);
+
+			    for (int i = 0; i < NODE_COUNT; ++i) {
+		        	if (strcmp(pRaftServer->address, leaderStates[i].address) == 0) {
+		        	    myLeaderCount = leaderStates[i].leaderCount;
+		        	}
+		    	}
+		    }
+			*/
+
+			
+			int leaderCount = 0;
+
+			struct raft *firstR;
+			for (int i = 0; i < pRaftServer->instanceCount; ++i) {
+				struct raft *r = &pRaftServer->instance[i].raft;
+				if (r->state == RAFT_LEADER) {
+					leaderCount++;
+					firstR = r;
+				}
+			}
+
+			if (leaderCount > pRaftServer->instanceCount / NODE_COUNT) {
+				struct raft_transfer *transfer = raft_malloc(sizeof(*transfer));
+				transfer->data = pRaftServer;
+				raft_transfer(firstR, transfer, 0, raftTransferCb);			
+			}
+
+
+		} else if (strcmp(cmd, "put") == 0) {
+			char buf[256];
+			uint16_t vid;
+			sscanf(param1, "%hu", &vid);
+			snprintf(buf, sizeof(buf), "%s--%s", param2, param3);
+			putValue(&pRaftServer->instance[vid].raft, buf);
+
+		} else if (strcmp(cmd, "get") == 0) {
+			getValue(param1);
+
+		} else if (strcmp(cmd, "transfer") == 0) {
+			uint16_t vid;
+			sscanf(param1, "%hu", &vid);
+
+			struct raft_transfer transfer;
+			raft_transfer(&pRaftServer->instance[vid].raft, &transfer, 0, NULL);			
+
+
+		} else if (strcmp(cmd, "state") == 0) {
+			for (int i = 0; i < pRaftServer->instanceCount; ++i) {
+				printf("instance %d: ", i);
+				printRaftState(&pRaftServer->instance[i].raft);
+			}
+
+		} else if (strcmp(cmd, "state2") == 0) {
+			for (int i = 0; i < pRaftServer->instanceCount; ++i) {
+				printRaftState2(&pRaftServer->instance[i].raft);
+			}
+
+		} else if (strcmp(cmd, "snapshot") == 0) {
+			printf("not support \n");
+
+		} else if (strcmp(cmd, "help") == 0) {
+			printf("addnode \"127.0.0.1:8888\" \n");
+			printf("dropnode \"127.0.0.1:8888\" \n");
+			printf("put key value \n");
+			printf("get key \n");
+			printf("state \n");
+
+		} else {
+			printf("unknown command: [%s], type \"help\" to see help \n", cmd);
+		}
+
+		//printf("cmd_buf: [%s] \n", cmd_buf);
+	}
+}
+
+void *startConsoleFunc(void *param) {
+	SRaftServer *pServer = (SRaftServer*)param;
+	console(pServer);
+	return NULL;
+}
+
+// Config ---------------------------------
+void usage() {
+	printf("\nusage: \n");
+	printf("%s --me=127.0.0.1:10000 --dir=./data \n", exe_name);
+	printf("\n");
+	printf("%s --me=127.0.0.1:10000 --peers=127.0.0.1:10001,127.0.0.1:10002 --dir=./data \n", exe_name);
+	printf("%s --me=127.0.0.1:10001 --peers=127.0.0.1:10000,127.0.0.1:10002 --dir=./data \n", exe_name);
+	printf("%s --me=127.0.0.1:10002 --peers=127.0.0.1:10000,127.0.0.1:10001 --dir=./data \n", exe_name);
+	printf("\n");
+}
+
+void parseConf(int argc, char **argv, SRaftServerConfig *pConf) {
+	memset(pConf, 0, sizeof(*pConf));
+
+    int option_index, option_value;
+    option_index = 0;
+    static struct option long_options[] = {
+        {"help", no_argument, NULL, 'h'},
+        {"peers", required_argument, NULL, 'p'},
+        {"me", required_argument, NULL, 'm'},
+        {"dir", required_argument, NULL, 'd'},
+        {NULL, 0, NULL, 0}
+    };
+
+    while ((option_value = getopt_long(argc, argv, "hp:m:d:", long_options, &option_index)) != -1) {
+        switch (option_value) {
+        	case 'm': {
+				parseAddr(optarg, pConf->me.host, sizeof(pConf->me.host), &pConf->me.port);
+				break;
+        	}
+
+			case 'p': {
+				char tokens[MAX_PEERS][MAX_TOKEN_LEN];
+				int peerCount = splitString(optarg, ",", tokens, MAX_PEERS);
+				pConf->peersCount = peerCount;
+				for (int i = 0; i < peerCount; ++i) {
+					Addr *pAddr = &pConf->peers[i];
+					parseAddr(tokens[i], pAddr->host, sizeof(pAddr->host), &pAddr->port);
+				}
+				break;
+			}
+
+
+			case 'd': {
+				snprintf(pConf->dir, sizeof(pConf->dir), "%s", optarg);
+				break;
+			}
+
+			case 'h': {
+				usage();
+				exit(-1);
+			}
+
+			default: {
+				usage();
+				exit(-1);
+			}
+		}
+	}
+	snprintf(pConf->dataDir, sizeof(pConf->dataDir), "%s/%s_%u", pConf->dir, pConf->me.host, pConf->me.port);
+}
+
+void printConf(SRaftServerConfig *pConf) {
+	printf("\nconf: \n");
+	printf("me: %s:%u \n", pConf->me.host, pConf->me.port);
+	printf("peersCount: %d \n", pConf->peersCount);
+	for (int i = 0; i < pConf->peersCount; ++i) {
+		Addr *pAddr = &pConf->peers[i];
+		printf("peer%d: %s:%u \n", i, pAddr->host, pAddr->port);
+	}
+	printf("dataDir: %s \n\n", pConf->dataDir);
+
+}
+
+
+int main(int argc, char **argv) { 
+	srand(time(NULL));
+	int32_t ret;
+
+	exe_name = argv[0];
+	if (argc < 3) {
+		usage();
+		exit(-1);
+	}
+
+	SRaftServerConfig conf;
+	parseConf(argc, argv, &conf);
+	printConf(&conf);	
+
+	signal(SIGPIPE, SIG_IGN);
+
+	/*
+	char cmd_buf[COMMAND_LEN];
+    snprintf(cmd_buf, sizeof(cmd_buf), "mkdir -p %s", conf.dataDir);
+    system(cmd_buf);
+	*/
+
+
+	struct raft_fsm fsm;
+	initFsm(&fsm);
+
+	SRaftServer raftServer;
+	ret = raftServerInit(&raftServer, &conf, &fsm);
+	assert(ret == 0);
+
+	pthread_t tidRaftServer;
+	pthread_create(&tidRaftServer, NULL, startServerFunc, &raftServer);
+
+	pthread_t tidConsole;
+	pthread_create(&tidConsole, NULL, startConsoleFunc, &raftServer);
+
+	while (1) {
+		sleep(10);
+	}
+
+	return 0;
+}

contrib/test/traft/raftServer.c

+#include <unistd.h>
+#include <stdlib.h>
+#include "common.h"
+#include "raftServer.h"
+
+char *keys;
+char *values;
+
+void initStore() {
+	keys = malloc(MAX_RECORD_COUNT * MAX_KV_LEN);
+	values = malloc(MAX_RECORD_COUNT * MAX_KV_LEN);
+	writeIndex = 0;
+}
+
+void destroyStore() {
+	free(keys);
+	free(values);
+}
+
+void putKV(const char *key, const char *value) {
+	if (writeIndex < MAX_RECORD_COUNT) {
+		strncpy(&keys[writeIndex], key, MAX_KV_LEN);
+		strncpy(&values[writeIndex], value, MAX_KV_LEN);
+		writeIndex++;
+	}
+}
+
+char *getKV(const char *key) {
+	for (int i = 0; i < MAX_RECORD_COUNT; ++i) {
+		if (strcmp(&keys[i], key) == 0) {
+			return &values[i];
+		}
+	}
+	return NULL;
+}
+
+
+int splitString(const char* str, char* separator, char (*arr)[MAX_TOKEN_LEN], int n_arr)
+{
+    if (n_arr <= 0) {
+    	return -1;
+    }
+
+    char* tmp = (char*)malloc(strlen(str) + 1);
+    strcpy(tmp, str);
+    char* context;
+    int n = 0;
+
+    char* token = strtok_r(tmp, separator, &context);
+    if (!token) {
+    	goto ret;
+    }
+    strncpy(arr[n], token, MAX_TOKEN_LEN);
+    n++;
+
+    while (1) {
+    token = strtok_r(NULL, separator, &context);
+    	if (!token || n >= n_arr) {
+    	    goto ret;
+    	}
+    	strncpy(arr[n], token, MAX_TOKEN_LEN);
+    	n++;
+    }
+
+ret:
+    free(tmp);
+    return n;
+}
+
+/*
+uint64_t raftId(const char *host, uint32_t port) {
+    uint32_t host_uint32 = (uint32_t)inet_addr(host);
+    assert(host_uint32 != (uint32_t)-1);
+    uint64_t code = ((uint64_t)host_uint32) << 32 | port;
+	return code;
+}
+*/
+
+
+/*
+uint64_t encodeRaftId(const char *host, uint16_t port, uint16_t vid) {
+  uint64_t raftId;
+  uint32_t host_uint32 = (uint32_t)inet_addr(host);
+  assert(host_uint32 != (uint32_t)-1);
+
+  raftId = (((uint64_t)host_uint32) << 32) | (((uint32_t)port) << 16) | vid;
+  return raftId;
+}
+
+void decodeRaftId(uint64_t raftId, char *host, int32_t len, uint16_t *port, uint16_t *vid) {
+  uint32_t host32 = (uint32_t)((raftId >> 32) & 0x00000000FFFFFFFF);
+
+  struct in_addr addr;
+  addr.s_addr = host32;
+  snprintf(host, len, "%s", inet_ntoa(addr));
+
+  *port = (uint16_t)((raftId & 0x00000000FFFF0000) >> 16);
+  *vid = (uint16_t)(raftId & 0x000000000000FFFF);
+}
+*/
+
+
+
+
+int32_t raftServerInit(SRaftServer *pRaftServer, const SRaftServerConfig *pConf, struct raft_fsm *pFsm) {
+	int ret;
+
+    snprintf(pRaftServer->host, sizeof(pRaftServer->host), "%s", pConf->me.host);
+	pRaftServer->port = pConf->me.port;
+    snprintf(pRaftServer->address, sizeof(pRaftServer->address), "%s:%u", pRaftServer->host, pRaftServer->port);
+	//strncpy(pRaftServer->dir, pConf->dataDir, sizeof(pRaftServer->dir));
+
+	ret = uv_loop_init(&pRaftServer->loop);
+	if (ret != 0) {
+		fprintf(stderr, "uv_loop_init error: %s \n", uv_strerror(ret));
+		assert(0);
+	}
+
+	ret = raft_uv_tcp_init(&pRaftServer->transport, &pRaftServer->loop);
+	if (ret != 0) {
+		fprintf(stderr, "raft_uv_tcp_init: error %d \n", ret);
+		assert(0);
+	}
+
+
+	uint16_t vid;
+	pRaftServer->instanceCount = 20;
+	
+
+	for (int i = 0; i < pRaftServer->instanceCount; ++i)
+	{
+		//vid = 0;
+		vid = i;
+
+
+		pRaftServer->instance[vid].raftId = encodeRaftId(pRaftServer->host, pRaftServer->port, vid);
+		snprintf(pRaftServer->instance[vid].dir, sizeof(pRaftServer->instance[vid].dir), "%s_%llu", pConf->dataDir, pRaftServer->instance[vid].raftId);
+
+	    char cmd_buf[COMMAND_LEN];
+	    snprintf(cmd_buf, sizeof(cmd_buf), "mkdir -p %s", pRaftServer->instance[vid].dir);
+	    system(cmd_buf);
+		sleep(1);
+
+		pRaftServer->instance[vid].fsm = pFsm;
+
+		ret = raft_uv_init(&pRaftServer->instance[vid].io, &pRaftServer->loop, pRaftServer->instance[vid].dir, &pRaftServer->transport);
+		if (ret != 0) {
+			fprintf(stderr, "%s \n", raft_errmsg(&pRaftServer->instance[vid].raft));
+			assert(0);
+		}
+
+		ret = raft_init(&pRaftServer->instance[vid].raft, &pRaftServer->instance[vid].io, pRaftServer->instance[vid].fsm, pRaftServer->instance[vid].raftId, pRaftServer->address);
+		if (ret != 0) {
+			fprintf(stderr, "%s \n", raft_errmsg(&pRaftServer->instance[vid].raft));
+			assert(0);
+		}
+
+    	struct raft_configuration conf;
+    	raft_configuration_init(&conf);
+    	raft_configuration_add(&conf, pRaftServer->instance[vid].raftId, pRaftServer->address, RAFT_VOTER);
+		printf("add myself: %llu - %s \n", pRaftServer->instance[vid].raftId, pRaftServer->address);
+		for (int i = 0; i < pConf->peersCount; ++i) {
+			const Addr *pAddr = &pConf->peers[i];
+
+			raft_id rid = encodeRaftId(pAddr->host, pAddr->port, vid);
+
+			char addrBuf[ADDRESS_LEN];
+			snprintf(addrBuf, sizeof(addrBuf), "%s:%u", pAddr->host, pAddr->port);
+			raft_configuration_add(&conf, rid, addrBuf, RAFT_VOTER);
+			printf("add peers: %llu - %s \n", rid, addrBuf);
+		}
+
+    	raft_bootstrap(&pRaftServer->instance[vid].raft, &conf);
+
+	}
+
+
+
+
+
+
+
+	return 0;
+}
+
+int32_t raftServerStart(SRaftServer *pRaftServer) {
+	int ret;
+
+	for (int i = 0; i < pRaftServer->instanceCount; ++i) {
+		ret = raft_start(&pRaftServer->instance[i].raft);
+		if (ret != 0) {
+			fprintf(stderr, "%s \n", raft_errmsg(&pRaftServer->instance[i].raft));
+		}
+		
+	}
+
+
+	uv_run(&pRaftServer->loop, UV_RUN_DEFAULT);
+}
+
+
+void raftServerClose(SRaftServer *pRaftServer) {
+
+}
+
+
+int fsmApplyCb(struct raft_fsm *pFsm, const struct raft_buffer *buf, void **result) {
+    char *msg = (char*)buf->base;
+    printf("fsm apply: %s \n", msg);
+
+	char arr[2][MAX_TOKEN_LEN];
+	splitString(msg, "--", arr, 2);
+	putKV(arr[0], arr[1]);
+
+    return 0;
+}
+
+int32_t initFsm(struct raft_fsm *fsm) {
+	initStore();
+	fsm->apply = fsmApplyCb;
+	return 0;
+}

contrib/test/traft/raftServer.h

+#ifndef TDENGINE_RAFT_SERVER_H
+#define TDENGINE_RAFT_SERVER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <assert.h>
+#include <string.h>
+#include "raft.h"
+#include "raft/uv.h"
+#include "common.h"
+
+
+// simulate a db store, just for test
+#define MAX_KV_LEN 100
+#define MAX_RECORD_COUNT 500
+char *keys;
+char *values;
+int writeIndex;
+
+void initStore();
+void destroyStore();
+void putKV(const char *key, const char *value);
+char *getKV(const char *key);
+
+typedef struct {
+	char dir[DIR_LEN + HOST_LEN * 4];  /* Data dir of UV I/O backend */
+	raft_id raftId;                    /* For vote */
+	struct raft_fsm *fsm;              /* Sample application FSM */
+	struct raft raft;                   /* Raft instance */
+	struct raft_io io;                  /* UV I/O backend */
+
+} SInstance;
+
+typedef struct {
+	char host[HOST_LEN];
+    uint32_t port;
+	char address[ADDRESS_LEN];         /* Raft instance address */
+
+	struct uv_loop_s loop;              /* UV loop */
+	struct raft_uv_transport transport; /* UV I/O backend transport */
+
+	SInstance instance[MAX_INSTANCE_NUM];
+	int32_t instanceCount;
+
+} SRaftServer;
+
+#define MAX_TOKEN_LEN 32
+int splitString(const char* str, char* separator, char (*arr)[MAX_TOKEN_LEN], int n_arr);
+
+int32_t raftServerInit(SRaftServer *pRaftServer, const SRaftServerConfig *pConf, struct raft_fsm *pFsm);
+int32_t raftServerStart(SRaftServer *pRaftServer);
+void raftServerClose(SRaftServer *pRaftServer);
+
+
+int initFsm(struct raft_fsm *fsm);
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // TDENGINE_RAFT_SERVER_H

include/util/tfile.h

@@ -38,6 +38,7 @@ int64_t tfOpenCreateWriteAppend(const char *pathname);
 int64_t tfClose(int64_t tfd);
 int64_t tfWrite(int64_t tfd, void *buf, int64_t count);
 int64_t tfRead(int64_t tfd, void *buf, int64_t count);
+int64_t tfPread(int64_t tfd, void *buf, int64_t count, int64_t offset);
 int32_t tfFsync(int64_t tfd);
 bool    tfValid(int64_t tfd);
 int64_t tfLseek(int64_t tfd, int64_t offset, int32_t whence);

source/dnode/vnode/meta/src/metaBDBImpl.c

@@ -81,7 +81,7 @@ int metaOpenDB(SMeta *pMeta) {
     return -1;
   }
 
-  if (metaOpenBDBDb(&(pDB->pSchemaDB), pDB->pEvn, "meta.db", false) < 0) {
+  if (metaOpenBDBDb(&(pDB->pSchemaDB), pDB->pEvn, "schema.db", false) < 0) {
     metaCloseDB(pMeta);
     return -1;
   }
@@ -558,6 +558,12 @@ SMTbCursor *metaOpenTbCursor(SMeta *pMeta) {
 
   pDB->pTbDB->cursor(pDB->pTbDB, NULL, &(pTbCur->pCur), 0);
 
+#if 0
+    DB_BTREE_STAT *sp;
+    pDB->pTbDB->stat(pDB->pTbDB, NULL, &sp, 0);
+    printf("**************** %ld\n", sp->bt_nkeys);
+#endif
+
   return pTbCur;
 }
 

source/libs/index/inc/index_fst.h

@@ -142,7 +142,8 @@ uint64_t fstStateInputLen(FstState* state);
 // end_addr
 uint64_t fstStateEndAddrForOneTransNext(FstState* state, FstSlice* data);
 uint64_t fstStateEndAddrForOneTrans(FstState* state, FstSlice* data, PackSizes sizes);
-uint64_t fstStateEndAddrForAnyTrans(FstState* state, uint64_t version, FstSlice* date, PackSizes sizes, uint64_t nTrans);
+uint64_t fstStateEndAddrForAnyTrans(FstState* state, uint64_t version, FstSlice* date, PackSizes sizes,
+                                    uint64_t nTrans);
 // input
 uint8_t fstStateInput(FstState* state, FstNode* node);
 uint8_t fstStateInputForAnyTrans(FstState* state, FstNode* node, uint64_t i);
@@ -258,6 +259,7 @@ typedef struct Fst {
   FstMeta*        meta;
   FstSlice*       data;  //
   FstNode*        root;  //
+  pthread_mutex_t mtx;
 } Fst;
 
 // refactor simple function
@@ -310,7 +312,8 @@ StreamWithStateResult* swsResultCreate(FstSlice* data, FstOutput fOut, void* sta
 void                   swsResultDestroy(StreamWithStateResult* result);
 
 typedef void* (*StreamCallback)(void*);
-StreamWithState* streamWithStateCreate(Fst* fst, AutomationCtx* automation, FstBoundWithData* min, FstBoundWithData* max);
+StreamWithState* streamWithStateCreate(Fst* fst, AutomationCtx* automation, FstBoundWithData* min,
+                                       FstBoundWithData* max);
 
 void streamWithStateDestroy(StreamWithState* sws);
 

source/libs/index/inc/index_tfile.h

@@ -77,6 +77,7 @@ typedef struct TFileReader {
   Fst*        fst;
   WriterCtx*  ctx;
   TFileHeader header;
+  bool        remove;
 } TFileReader;
 
 typedef struct IndexTFile {

source/libs/index/src/index.c

@@ -94,7 +94,6 @@ void indexClose(SIndex* sIdx) {
 #endif
 
 #ifdef USE_INVERTED_INDEX
-  indexCacheDestroy(sIdx->cache);
   void* iter = taosHashIterate(sIdx->colObj, NULL);
   while (iter) {
     IndexCache** pCache = iter;
@@ -104,6 +103,7 @@ void indexClose(SIndex* sIdx) {
   taosHashCleanup(sIdx->colObj);
   pthread_mutex_destroy(&sIdx->mtx);
 #endif
+  free(sIdx->path);
   free(sIdx);
   return;
 }

source/libs/index/src/index_cache.c

@@ -20,7 +20,7 @@
 
 #define MAX_INDEX_KEY_LEN 256  // test only, change later
 
-#define MEM_TERM_LIMIT 200
+#define MEM_TERM_LIMIT 10000 * 10
 // ref index_cache.h:22
 //#define CACHE_KEY_LEN(p) \
 //  (sizeof(int32_t) + sizeof(uint16_t) + sizeof(p->colType) + sizeof(p->nColVal) + p->nColVal + sizeof(uint64_t) +
@@ -110,7 +110,10 @@ void indexCacheDestroySkiplist(SSkipList* slt) {
   while (tSkipListIterNext(iter)) {
     SSkipListNode* node = tSkipListIterGet(iter);
     CacheTerm*     ct = (CacheTerm*)SL_GET_NODE_DATA(node);
-    if (ct != NULL) {}
+    if (ct != NULL) {
+      free(ct->colVal);
+      free(ct);
+    }
   }
   tSkipListDestroyIter(iter);
   tSkipListDestroy(slt);
@@ -271,7 +274,7 @@ int indexCacheSearch(void* cache, SIndexTermQuery* query, SArray* result, STermV
   SIndexTerm*     term = query->term;
   EIndexQueryType qtype = query->qType;
   CacheTerm       ct = {.colVal = term->colVal, .version = atomic_load_32(&pCache->version)};
-  indexCacheDebug(pCache);
+  // indexCacheDebug(pCache);
 
   int ret = indexQueryMem(mem, &ct, qtype, result, s);
   if (ret == 0 && *s != kTypeDeletion) {

source/libs/index/src/index_fst.c

@@ -354,7 +354,8 @@ uint64_t fstStateEndAddrForOneTrans(FstState* s, FstSlice* data, PackSizes sizes
   return FST_SLICE_LEN(data) - 1 - fstStateInputLen(s) - 1  // pack size
          - FST_GET_TRANSITION_PACK_SIZE(sizes) - FST_GET_OUTPUT_PACK_SIZE(sizes);
 }
-uint64_t fstStateEndAddrForAnyTrans(FstState* state, uint64_t version, FstSlice* date, PackSizes sizes, uint64_t nTrans) {
+uint64_t fstStateEndAddrForAnyTrans(FstState* state, uint64_t version, FstSlice* date, PackSizes sizes,
+                                    uint64_t nTrans) {
   uint8_t oSizes = FST_GET_OUTPUT_PACK_SIZE(sizes);
   uint8_t finalOsize = !fstStateIsFinalState(state) ? 0 : oSizes;
   return FST_SLICE_LEN(date) - 1 - fstStateNtransLen(state) - 1                     // pack size
@@ -403,8 +404,8 @@ CompiledAddr fstStateTransAddrForAnyTrans(FstState* s, FstNode* node, uint64_t i
 
   FstSlice* slice = &node->data;
   uint8_t   tSizes = FST_GET_TRANSITION_PACK_SIZE(node->sizes);
-  uint64_t  at = node->start - fstStateNtransLen(s) - 1 - fstStateTransIndexSize(s, node->version, node->nTrans) - node->nTrans -
-                (i * tSizes) - tSizes;
+  uint64_t  at = node->start - fstStateNtransLen(s) - 1 - fstStateTransIndexSize(s, node->version, node->nTrans) -
+                node->nTrans - (i * tSizes) - tSizes;
   uint8_t* data = fstSliceData(slice, NULL);
   return unpackDelta(data + at, tSizes, node->end);
 }
@@ -595,7 +596,8 @@ FstNode* fstNodeCreate(int64_t version, CompiledAddr addr, FstSlice* slice) {
     n->isFinal = fstStateIsFinalState(&st);                                // s.is_final_state();
     n->nTrans = nTrans;
     n->sizes = sz;
-    n->finalOutput = fstStateFinalOutput(&st, version, &data, sz, nTrans);  // s.final_output(version, data, sz, ntrans);
+    n->finalOutput =
+        fstStateFinalOutput(&st, version, &data, sz, nTrans);  // s.final_output(version, data, sz, ntrans);
   }
   return n;
 }
@@ -875,9 +877,7 @@ void* fstBuilderInsertInner(FstBuilder* b) {
   // b->wrt = NULL;
   return b->wrt;
 }
-void fstBuilderFinish(FstBuilder* b) {
-  fstBuilderInsertInner(b);
-}
+void fstBuilderFinish(FstBuilder* b) { fstBuilderInsertInner(b); }
 
 FstSlice fstNodeAsSlice(FstNode* node) {
   FstSlice* slice = &node->data;
@@ -894,9 +894,7 @@ FstLastTransition* fstLastTransitionCreate(uint8_t inp, Output out) {
   return trn;
 }
 
-void fstLastTransitionDestroy(FstLastTransition* trn) {
-  free(trn);
-}
+void fstLastTransitionDestroy(FstLastTransition* trn) { free(trn); }
 void fstBuilderNodeUnfinishedLastCompiled(FstBuilderNodeUnfinished* unNode, CompiledAddr addr) {
   FstLastTransition* trn = unNode->last;
   if (trn == NULL) { return; }
@@ -959,9 +957,10 @@ Fst* fstCreate(FstSlice* slice) {
   fst->meta->checkSum = checkSum;
 
   FstSlice* s = calloc(1, sizeof(FstSlice));
-  *s = fstSliceCopy(slice, 0, FST_SLICE_LEN(slice));
+  *s = fstSliceCopy(slice, 0, FST_SLICE_LEN(slice) - 1);
   fst->data = s;
 
+  pthread_mutex_init(&fst->mtx, NULL);
   return fst;
 
 FST_CREAT_FAILED:
@@ -973,14 +972,18 @@ void fstDestroy(Fst* fst) {
     free(fst->meta);
     fstSliceDestroy(fst->data);
     free(fst->data);
+    pthread_mutex_destroy(&fst->mtx);
   }
   free(fst);
 }
 
 bool fstGet(Fst* fst, FstSlice* b, Output* out) {
+  // dec lock range
+  pthread_mutex_lock(&fst->mtx);
   FstNode* root = fstGetRoot(fst);
   Output   tOut = 0;
   int32_t  len;
+
   uint8_t* data = fstSliceData(b, &len);
 
   SArray* nodes = (SArray*)taosArrayInit(len, sizeof(FstNode*));
@@ -988,7 +991,10 @@ bool fstGet(Fst* fst, FstSlice* b, Output* out) {
   for (uint32_t i = 0; i < len; i++) {
     uint8_t inp = data[i];
     Output  res = 0;
-    if (false == fstNodeFindInput(root, inp, &res)) { return false; }
+    if (false == fstNodeFindInput(root, inp, &res)) {
+      pthread_mutex_unlock(&fst->mtx);
+      return false;
+    }
 
     FstTransition trn;
     fstNodeGetTransitionAt(root, res, &trn);
@@ -997,6 +1003,7 @@ bool fstGet(Fst* fst, FstSlice* b, Output* out) {
     taosArrayPush(nodes, &root);
   }
   if (!FST_NODE_IS_FINAL(root)) {
+    pthread_mutex_unlock(&fst->mtx);
     return false;
   } else {
     tOut = tOut + FST_NODE_FINAL_OUTPUT(root);
@@ -1007,13 +1014,13 @@ bool fstGet(Fst* fst, FstSlice* b, Output* out) {
     fstNodeDestroy(*node);
   }
   taosArrayDestroy(nodes);
-
   fst->root = NULL;
+  pthread_mutex_unlock(&fst->mtx);
   *out = tOut;
-
   return true;
 }
 FstStreamBuilder* fstSearch(Fst* fst, AutomationCtx* ctx) {
+  // refactor later
   return fstStreamBuilderCreate(fst, ctx);
 }
 StreamWithState* streamBuilderIntoStream(FstStreamBuilder* sb) {
@@ -1021,24 +1028,30 @@ StreamWithState* streamBuilderIntoStream(FstStreamBuilder* sb) {
   return streamWithStateCreate(sb->fst, sb->aut, sb->min, sb->max);
 }
 FstStreamWithStateBuilder* fstSearchWithState(Fst* fst, AutomationCtx* ctx) {
+  // refactor later
   return fstStreamBuilderCreate(fst, ctx);
 }
 
 FstNode* fstGetRoot(Fst* fst) {
-  if (fst->root != NULL) { return fst->root; }
   CompiledAddr rAddr = fstGetRootAddr(fst);
-  fst->root = fstGetNode(fst, rAddr);
-  return fst->root;
+  return fstGetNode(fst, rAddr);
+  // pthread_mutex_lock(&fst->mtx);
+  // if (fst->root != NULL) {
+  //  // pthread_mutex_unlock(&fst->mtx);
+  //  return fst->root;
+  //}
+  // CompiledAddr rAddr = fstGetRootAddr(fst);
+  // fst->root = fstGetNode(fst, rAddr);
+  //// pthread_mutex_unlock(&fst->mtx);
+  // return fst->root;
 }
+
 FstNode* fstGetNode(Fst* fst, CompiledAddr addr) {
+  // refactor later
   return fstNodeCreate(fst->meta->version, addr, fst->data);
 }
-FstType fstGetType(Fst* fst) {
-  return fst->meta->ty;
-}
-CompiledAddr fstGetRootAddr(Fst* fst) {
-  return fst->meta->rootAddr;
-}
+FstType      fstGetType(Fst* fst) { return fst->meta->ty; }
+CompiledAddr fstGetRootAddr(Fst* fst) { return fst->meta->rootAddr; }
 
 Output fstEmptyFinalOutput(Fst* fst, bool* null) {
   Output   res = 0;
@@ -1053,8 +1066,7 @@ Output fstEmptyFinalOutput(Fst* fst, bool* null) {
 }
 
 bool fstVerify(Fst* fst) {
-  uint32_t checkSum = fst->meta->checkSum;
-  int32_t  len;
+  uint32_t len, checkSum = fst->meta->checkSum;
   uint8_t* data = fstSliceData(fst->data, &len);
   TSCKSUM  initSum = 0;
   if (!taosCheckChecksumWhole(data, len)) { return false; }
@@ -1094,15 +1106,12 @@ bool fstBoundWithDataIsEmpty(FstBoundWithData* bound) {
   }
 }
 
-bool fstBoundWithDataIsIncluded(FstBoundWithData* bound) {
-  return bound->type == Excluded ? false : true;
-}
+bool fstBoundWithDataIsIncluded(FstBoundWithData* bound) { return bound->type == Excluded ? false : true; }
 
-void fstBoundDestroy(FstBoundWithData* bound) {
-  free(bound);
-}
+void fstBoundDestroy(FstBoundWithData* bound) { free(bound); }
 
-StreamWithState* streamWithStateCreate(Fst* fst, AutomationCtx* automation, FstBoundWithData* min, FstBoundWithData* max) {
+StreamWithState* streamWithStateCreate(Fst* fst, AutomationCtx* automation, FstBoundWithData* min,
+                                       FstBoundWithData* max) {
   StreamWithState* sws = calloc(1, sizeof(StreamWithState));
   if (sws == NULL) { return NULL; }
 
@@ -1131,7 +1140,9 @@ void streamWithStateDestroy(StreamWithState* sws) {
 bool streamWithStateSeekMin(StreamWithState* sws, FstBoundWithData* min) {
   AutomationCtx* aut = sws->aut;
   if (fstBoundWithDataIsEmpty(min)) {
-    if (fstBoundWithDataIsIncluded(min)) { sws->emptyOutput.out = fstEmptyFinalOutput(sws->fst, &(sws->emptyOutput.null)); }
+    if (fstBoundWithDataIsIncluded(min)) {
+      sws->emptyOutput.out = fstEmptyFinalOutput(sws->fst, &(sws->emptyOutput.null));
+    }
     StreamState s = {.node = fstGetRoot(sws->fst),
                      .trans = 0,
                      .out = {.null = false, .out = 0},
@@ -1203,7 +1214,8 @@ bool streamWithStateSeekMin(StreamWithState* sws, FstBoundWithData* min) {
       uint64_t      trans = s->trans;
       FstTransition trn;
       fstNodeGetTransitionAt(n, trans - 1, &trn);
-      StreamState s = {.node = fstGetNode(sws->fst, trn.addr), .trans = 0, .out = {.null = false, .out = out}, .autState = autState};
+      StreamState s = {
+          .node = fstGetNode(sws->fst, trn.addr), .trans = 0, .out = {.null = false, .out = out}, .autState = autState};
       taosArrayPush(sws->stack, &s);
       return true;
     }
@@ -1260,9 +1272,7 @@ StreamWithStateResult* streamWithStateNextWith(StreamWithState* sws, StreamCallb
 
     size_t   isz = taosArrayGetSize(sws->inp);
     uint8_t* buf = (uint8_t*)malloc(isz * sizeof(uint8_t));
-    for (uint32_t i = 0; i < isz; i++) {
-      buf[i] = *(uint8_t*)taosArrayGet(sws->inp, i);
-    }
+    for (uint32_t i = 0; i < isz; i++) { buf[i] = *(uint8_t*)taosArrayGet(sws->inp, i); }
     FstSlice slice = fstSliceCreate(buf, taosArrayGetSize(sws->inp));
     if (fstBoundWithDataExceededBy(sws->endAt, &slice)) {
       taosArrayDestroyEx(sws->stack, streamStateDestroy);
@@ -1327,8 +1337,8 @@ FstStreamBuilder* fstStreamBuilderCreate(Fst* fst, AutomationCtx* aut) {
 }
 void fstStreamBuilderDestroy(FstStreamBuilder* b) {
   fstSliceDestroy(&b->min->data);
-  tfree(b->min);
   fstSliceDestroy(&b->max->data);
+  tfree(b->min);
   tfree(b->max);
   free(b);
 }

source/libs/index/src/index_fst_automation.c

@@ -17,9 +17,7 @@
 
 StartWithStateValue* startWithStateValueCreate(StartWithStateKind kind, ValueType ty, void* val) {
   StartWithStateValue* nsv = calloc(1, sizeof(StartWithStateValue));
-  if (nsv == NULL) {
-    return NULL;
-  }
+  if (nsv == NULL) { return NULL; }
 
   nsv->kind = kind;
   nsv->type = ty;
@@ -37,9 +35,7 @@ StartWithStateValue* startWithStateValueCreate(StartWithStateKind kind, ValueTyp
 }
 void startWithStateValueDestroy(void* val) {
   StartWithStateValue* sv = (StartWithStateValue*)val;
-  if (sv == NULL) {
-    return;
-  }
+  if (sv == NULL) { return; }
 
   if (sv->type == FST_INT) {
     //
@@ -52,9 +48,7 @@ void startWithStateValueDestroy(void* val) {
 }
 StartWithStateValue* startWithStateValueDump(StartWithStateValue* sv) {
   StartWithStateValue* nsv = calloc(1, sizeof(StartWithStateValue));
-  if (nsv == NULL) {
-    return NULL;
-  }
+  if (nsv == NULL) { return NULL; }
 
   nsv->kind = sv->kind;
   nsv->type = sv->type;
@@ -94,14 +88,10 @@ static bool prefixCanMatch(AutomationCtx* ctx, void* sv) {
 static bool  prefixWillAlwaysMatch(AutomationCtx* ctx, void* state) { return true; }
 static void* prefixAccept(AutomationCtx* ctx, void* state, uint8_t byte) {
   StartWithStateValue* ssv = (StartWithStateValue*)state;
-  if (ssv == NULL || ctx == NULL) {
-    return NULL;
-  }
+  if (ssv == NULL || ctx == NULL) { return NULL; }
 
   char* data = ctx->data;
-  if (ssv->kind == Done) {
-    return startWithStateValueCreate(Done, FST_INT, &ssv->val);
-  }
+  if (ssv->kind == Done) { return startWithStateValueCreate(Done, FST_INT, &ssv->val); }
   if ((strlen(data) > ssv->val) && data[ssv->val] == byte) {
     int val = ssv->val + 1;
 
@@ -138,9 +128,7 @@ AutomationFunc automFuncs[] = {
 
 AutomationCtx* automCtxCreate(void* data, AutomationType atype) {
   AutomationCtx* ctx = calloc(1, sizeof(AutomationCtx));
-  if (ctx == NULL) {
-    return NULL;
-  }
+  if (ctx == NULL) { return NULL; }
 
   StartWithStateValue* sv = NULL;
   if (atype == AUTOMATION_ALWAYS) {

source/libs/index/src/index_fst_counting_writer.c

@@ -42,8 +42,8 @@ static int writeCtxDoRead(WriterCtx* ctx, uint8_t* buf, int len) {
 static int writeCtxDoReadFrom(WriterCtx* ctx, uint8_t* buf, int len, int32_t offset) {
   int nRead = 0;
   if (ctx->type == TFile) {
-    tfLseek(ctx->file.fd, offset, 0);
-    nRead = tfRead(ctx->file.fd, buf, len);
+    // tfLseek(ctx->file.fd, offset, 0);
+    nRead = tfPread(ctx->file.fd, buf, len, offset);
   } else {
     // refactor later
     assert(0);
@@ -52,6 +52,7 @@ static int writeCtxDoReadFrom(WriterCtx* ctx, uint8_t* buf, int len, int32_t off
 }
 static int writeCtxDoFlush(WriterCtx* ctx) {
   if (ctx->type == TFile) {
+    // taosFsyncFile(ctx->file.fd);
     tfFsync(ctx->file.fd);
     // tfFlush(ctx->file.fd);
   } else {
@@ -69,13 +70,15 @@ WriterCtx* writerCtxCreate(WriterType type, const char* path, bool readOnly, int
     // ugly code, refactor later
     ctx->file.readOnly = readOnly;
     if (readOnly == false) {
+      // ctx->file.fd = open(path, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU | S_IRWXG | S_IRWXO);
       ctx->file.fd = tfOpenCreateWriteAppend(path);
     } else {
-      ctx->file.fd = tfOpenReadWrite(path);
+      // ctx->file.fd = open(path, O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
+      ctx->file.fd = tfOpenRead(path);
     }
     memcpy(ctx->file.buf, path, strlen(path));
     if (ctx->file.fd < 0) {
-      indexError("open file error %d", errno);
+      indexError("failed to open file, error %d", errno);
       goto END;
     }
   } else if (ctx->type == TMemory) {
@@ -101,10 +104,7 @@ void writerCtxDestroy(WriterCtx* ctx, bool remove) {
     free(ctx->mem.buf);
   } else {
     tfClose(ctx->file.fd);
-    if (remove) {
-      indexError("rm file %s", ctx->file.buf);
-      unlink(ctx->file.buf);
-    }
+    if (remove) { unlink(ctx->file.buf); }
   }
   free(ctx);
 }
@@ -144,6 +144,7 @@ int fstCountingWriterRead(FstCountingWriter* write, uint8_t* buf, uint32_t len)
 }
 
 uint32_t fstCountingWriterMaskedCheckSum(FstCountingWriter* write) { return 0; }
+
 int fstCountingWriterFlush(FstCountingWriter* write) {
   WriterCtx* ctx = write->wrt;
   ctx->flush(ctx);

source/libs/index/src/index_tfile.c

@@ -53,13 +53,6 @@ static int  tfileParseFileName(const char* filename, uint64_t* suid, int* colId,
 static void tfileGenFileName(char* filename, uint64_t suid, int colId, int version);
 static void tfileSerialCacheKey(TFileCacheKey* key, char* buf);
 
-static TFileReader* tfileReaderCreateImpl(WriterCtx* ctx) {
-  TFileReader* reader = tfileReaderCreate(ctx);
-  tfileReaderRef(reader);
-  // tfileSerialCacheKey(&key, buf);
-  return reader;
-}
-
 TFileCache* tfileCacheCreate(const char* path) {
   TFileCache* tcache = calloc(1, sizeof(TFileCache));
   if (tcache == NULL) { return NULL; }
@@ -88,13 +81,16 @@ TFileCache* tfileCacheCreate(const char* path) {
     }
 
     char          buf[128] = {0};
-    TFileReader*  reader = tfileReaderCreateImpl(wc);
+    TFileReader*  reader = tfileReaderCreate(wc);
     TFileHeader*  header = &reader->header;
     TFileCacheKey key = {.suid = header->suid,
                          .colName = header->colName,
                          .nColName = strlen(header->colName),
                          .colType = header->colType};
     tfileSerialCacheKey(&key, buf);
+
+    tfileReaderRef(reader);
+    // indexTable
     taosHashPut(tcache->tableCache, buf, strlen(buf), &reader, sizeof(void*));
   }
   taosArrayDestroyEx(files, tfileDestroyFileName);
@@ -139,6 +135,7 @@ void tfileCachePut(TFileCache* tcache, TFileCacheKey* key, TFileReader* reader)
   if (p != NULL) {
     TFileReader* oldReader = *p;
     taosHashRemove(tcache->tableCache, buf, strlen(buf));
+    oldReader->remove = true;
     tfileReaderUnRef(oldReader);
   }
 
@@ -152,7 +149,6 @@ TFileReader* tfileReaderCreate(WriterCtx* ctx) {
 
   // T_REF_INC(reader);
   reader->ctx = ctx;
-
   if (0 != tfileReaderLoadHeader(reader)) {
     tfileReaderDestroy(reader);
     indexError("failed to load index header, suid: %" PRIu64 ", colName: %s", reader->header.suid,
@@ -172,7 +168,7 @@ void tfileReaderDestroy(TFileReader* reader) {
   if (reader == NULL) { return; }
   // T_REF_INC(reader);
   fstDestroy(reader->fst);
-  writerCtxDestroy(reader->ctx, true);
+  writerCtxDestroy(reader->ctx, reader->remove);
   free(reader);
 }
 
@@ -232,7 +228,7 @@ TFileReader* tfileReaderOpen(char* path, uint64_t suid, int32_t version, const c
   WriterCtx* wc = writerCtxCreate(TFile, fullname, true, 1024 * 1024 * 1024);
   if (wc == NULL) { return NULL; }
 
-  TFileReader* reader = tfileReaderCreateImpl(wc);
+  TFileReader* reader = tfileReaderCreate(wc);
   return reader;
 
   // tfileSerialCacheKey(&key, buf);
@@ -330,13 +326,16 @@ int tfileWriterPut(TFileWriter* tw, void* data, bool order) {
     return -1;
   }
   // write fst
+  indexError("--------Begin----------------");
   for (size_t i = 0; i < sz; i++) {
     // TODO, fst batch write later
     TFileValue* v = taosArrayGetP((SArray*)data, i);
     if (tfileWriteData(tw, v) == 0) {
       //
     }
+    indexError("data: %s, offset: %d len: %d", v->colVal, v->offset, (int)taosArrayGetSize(v->tableId));
   }
+  indexError("--------End----------------");
   fstBuilderFinish(tw->fb);
   fstBuilderDestroy(tw->fb);
   tw->fb = NULL;
@@ -360,7 +359,10 @@ IndexTFile* indexTFileCreate(const char* path) {
   tfile->cache = tfileCacheCreate(path);
   return tfile;
 }
-void IndexTFileDestroy(IndexTFile* tfile) { free(tfile); }
+void IndexTFileDestroy(IndexTFile* tfile) {
+  tfileCacheDestroy(tfile->cache);
+  free(tfile);
+}
 
 int indexTFileSearch(void* tfile, SIndexTermQuery* query, SArray* result) {
   int ret = -1;
@@ -539,8 +541,14 @@ static int tfileReaderLoadHeader(TFileReader* reader) {
   char buf[TFILE_HEADER_SIZE] = {0};
 
   int64_t nread = reader->ctx->readFrom(reader->ctx, buf, sizeof(buf), 0);
-  assert(nread == sizeof(buf));
+  if (nread == -1) {
+    //
+    indexError("actual Read: %d, to read: %d, errno: %d, filefd: %d, filename: %s", (int)(nread), (int)sizeof(buf),
+               errno, reader->ctx->file.fd, reader->ctx->file.buf);
+  }
+  // assert(nread == sizeof(buf));
   memcpy(&reader->header, buf, sizeof(buf));
+
   return 0;
 }
 static int tfileReaderLoadFst(TFileReader* reader) {
@@ -573,7 +581,7 @@ static int tfileReaderLoadTableIds(TFileReader* reader, int32_t offset, SArray*
   char*   buf = calloc(1, total);
   if (buf == NULL) { return -1; }
 
-  nread = ctx->read(ctx, buf, total);
+  nread = ctx->readFrom(ctx, buf, total, offset + sizeof(nid));
   assert(total == nread);
 
   for (int32_t i = 0; i < nid; i++) { taosArrayPush(result, (uint64_t*)buf + i); }

source/libs/index/test/fstTest.cc

 
 #include <iostream>
 #include <string>
+#include <thread>
 #include <vector>
 #include "index.h"
 #include "indexInt.h"
@@ -42,7 +43,8 @@ class FstWriter {
 
 class FstReadMemory {
  public:
-  FstReadMemory(size_t size) {
+  FstReadMemory(size_t size, const std::string& fileName = fileName) {
+    tfInit();
     _wc = writerCtxCreate(TFile, fileName.c_str(), true, 64 * 1024);
     _w = fstCountingWriterCreate(_wc);
     _size = size;
@@ -101,6 +103,7 @@ class FstReadMemory {
     fstDestroy(_fst);
     fstSliceDestroy(&_s);
     writerCtxDestroy(_wc, false);
+    tfCleanup();
   }
 
  private:
@@ -165,8 +168,44 @@ void checkFstCheckIterator() {
   delete m;
   tfCleanup();
 }
-int main() {
-  checkFstCheckIterator();
+
+void fst_get(Fst* fst) {
+  for (int i = 0; i < 10000; i++) {
+    std::string term = "Hello";
+    FstSlice    key = fstSliceCreate((uint8_t*)term.c_str(), term.size());
+    uint64_t    offset = 0;
+    bool        ret = fstGet(fst, &key, &offset);
+    if (ret == false) {
+      std::cout << "not found" << std::endl;
+    } else {
+      std::cout << "found value:" << offset << std::endl;
+    }
+  }
+}
+
+#define NUM_OF_THREAD 10
+void validateTFile(char* arg) {
+  tfInit();
+
+  std::thread threads[NUM_OF_THREAD];
+  // std::vector<std::thread> threads;
+  TFileReader* reader = tfileReaderOpen(arg, 0, 295868, "tag1");
+
+  for (int i = 0; i < NUM_OF_THREAD; i++) {
+    threads[i] = std::thread(fst_get, reader->fst);
+    // threads.push_back(fst_get, reader->fst);
+    // std::thread t(fst_get, reader->fst);
+  }
+  for (int i = 0; i < NUM_OF_THREAD; i++) {
+    // wait join
+    threads[i].join();
+  }
+  tfCleanup();
+}
+int main(int argc, char* argv[]) {
+  if (argc > 1) { validateTFile(argv[1]); }
+  // checkFstCheckIterator();
   // checkFstPrefixSearch();
+
   return 1;
 }

source/libs/index/test/indexTests.cc

@@ -15,6 +15,7 @@
 #include <gtest/gtest.h>
 #include <iostream>
 #include <string>
+#include <thread>
 #include "index.h"
 #include "indexInt.h"
 #include "index_cache.h"
@@ -25,6 +26,9 @@
 #include "tskiplist.h"
 #include "tutil.h"
 using namespace std;
+
+#define NUM_OF_THREAD 10
+
 class DebugInfo {
  public:
   DebugInfo(const char* str) : info(str) {
@@ -41,6 +45,7 @@ class DebugInfo {
  private:
   std::string info;
 };
+
 class FstWriter {
  public:
   FstWriter() {
@@ -332,6 +337,8 @@ class TFileObj {
   TFileObj(const std::string& path = "/tmp/tindex", const std::string& colName = "voltage")
       : path_(path), colName_(colName) {
     colId_ = 10;
+    reader_ = NULL;
+    writer_ = NULL;
     // Do Nothing
     //
   }
@@ -527,6 +534,7 @@ TEST_F(IndexCacheEnv, cache_test) {
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, colId, version++, suid++);
+    // indexTermDestry(term);
   }
   {
     std::string colVal("v3");
@@ -634,6 +642,23 @@ class IndexObj {
     indexMultiTermDestroy(terms);
     return numOfTable;
   }
+  int WriteMultiMillonData(const std::string& colName, const std::string& colVal = "Hello world",
+                           size_t numOfTable = 100 * 10000) {
+    std::string tColVal = colVal;
+    for (int i = 0; i < numOfTable; i++) {
+      tColVal[tColVal.size() - 1] = 'a' + i % 26;
+      SIndexTerm*      term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
+                                         colVal.c_str(), colVal.size());
+      SIndexMultiTerm* terms = indexMultiTermCreate();
+      indexMultiTermAdd(terms, term);
+      for (size_t i = 0; i < 10; i++) {
+        int ret = Put(terms, i);
+        assert(ret == 0);
+      }
+      indexMultiTermDestroy(terms);
+    }
+    return numOfTable;
+  }
 
   int Put(SIndexMultiTerm* fvs, uint64_t uid) {
     numOfWrite += taosArrayGetSize(fvs);
@@ -656,6 +681,14 @@ class IndexObj {
     return taosArrayGetSize(result);
     // assert(taosArrayGetSize(result) == targetSize);
   }
+  void PutOne(const std::string& colName, const std::string& colVal) {
+    SIndexTerm*      term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
+                                       colVal.c_str(), colVal.size());
+    SIndexMultiTerm* terms = indexMultiTermCreate();
+    indexMultiTermAdd(terms, term);
+    Put(terms, 10);
+    indexMultiTermDestroy(terms);
+  }
   void Debug() {
     std::cout << "numOfWrite:" << numOfWrite << std::endl;
     std::cout << "numOfRead:" << numOfRead << std::endl;
@@ -687,7 +720,7 @@ class IndexEnv2 : public ::testing::Test {
   IndexObj* index;
 };
 TEST_F(IndexEnv2, testIndexOpen) {
-  std::string path = "/tmp";
+  std::string path = "/tmp/test";
   if (index->Init(path) != 0) {
     std::cout << "failed to init index" << std::endl;
     exit(1);
@@ -723,10 +756,24 @@ TEST_F(IndexEnv2, testIndexOpen) {
     }
     indexMultiTermDestroy(terms);
   }
-
   {
+    size_t      size = 200;
     std::string colName("tag1"), colVal("Hello");
 
+    SIndexTerm*      term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
+                                       colVal.c_str(), colVal.size());
+    SIndexMultiTerm* terms = indexMultiTermCreate();
+    indexMultiTermAdd(terms, term);
+    for (size_t i = size * 3; i < size * 4; i++) {
+      int tableId = i;
+      int ret = index->Put(terms, tableId);
+      assert(ret == 0);
+    }
+    indexMultiTermDestroy(terms);
+  }
+
+  {
+    std::string           colName("tag1"), colVal("Hello");
     SIndexMultiTermQuery* mq = indexMultiTermQueryCreate(MUST);
     SIndexTerm*           term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
@@ -735,21 +782,44 @@ TEST_F(IndexEnv2, testIndexOpen) {
     SArray* result = (SArray*)taosArrayInit(1, sizeof(uint64_t));
     index->Search(mq, result);
     std::cout << "target size: " << taosArrayGetSize(result) << std::endl;
-    // assert(taosArrayGetSize(result) == targetSize);
+    assert(taosArrayGetSize(result) == 400);
   }
 }
 
 TEST_F(IndexEnv2, testIndex_TrigeFlush) {
-  std::string path = "/tmp";
-  if (index->Init(path) != 0) {}
+  std::string path = "/tmp/test";
+  if (index->Init(path) != 0) {
+    // r
+    std::cout << "failed to init" << std::endl;
+  }
   int numOfTable = 100 * 10000;
-  index->WriteMillonData("tag1", "Hello world", numOfTable);
-  int target = index->SearchOne("tag1", "Hello world");
+  index->WriteMillonData("tag1", "Hello", numOfTable);
+  int target = index->SearchOne("tag1", "Hello");
   assert(numOfTable == target);
 }
+
+static void write_and_search(IndexObj* idx) {
+  std::string colName("tag1"), colVal("Hello");
+
+  int target = idx->SearchOne("tag1", "Hello");
+  idx->PutOne(colName, colVal);
+}
 TEST_F(IndexEnv2, testIndex_serarch_cache_and_tfile) {
-  std::string path = "/tmp";
-  if (index->Init(path) != 0) {}
+  std::string path = "/tmp/cache_and_tfile";
+  if (index->Init(path) != 0) {
+    // opt
+  }
+  index->WriteMultiMillonData("tag1", "Hello", 200000);
+  std::thread threads[NUM_OF_THREAD];
+
+  for (int i = 0; i < NUM_OF_THREAD; i++) {
+    //
+    threads[i] = std::thread(write_and_search, index);
+  }
+  for (int i = 0; i < NUM_OF_THREAD; i++) {
+    // TOD
+    threads[i].join();
+  }
 }
 TEST_F(IndexEnv2, testIndex_multi_thread_write) {
   std::string path = "/tmp";
@@ -769,4 +839,7 @@ TEST_F(IndexEnv2, testIndex_performance) {
   std::string path = "/tmp";
   if (index->Init(path) != 0) {}
 }
-TEST_F(IndexEnv2, testIndexMultiTag) {}
+TEST_F(IndexEnv2, testIndexMultiTag) {
+  std::string path = "/tmp";
+  if (index->Init(path) != 0) {}
+}

source/util/src/tfile.c

@@ -16,21 +16,19 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "taoserror.h"
-#include "ulog.h"
-#include "tutil.h"
 #include "tref.h"
+#include "tutil.h"
+#include "ulog.h"
 
 static int32_t tsFileRsetId = -1;
 
 static int8_t tfInited = 0;
 
-static void tfCloseFile(void *p) {
-  taosCloseFile((int32_t)(uintptr_t)p);
-}
+static void tfCloseFile(void *p) { taosCloseFile((int32_t)(uintptr_t)p); }
 
 int32_t tfInit() {
   int8_t old = atomic_val_compare_exchange_8(&tfInited, 0, 1);
-  if(old == 1) return 0;
+  if (old == 1) return 0;
   tsFileRsetId = taosOpenRef(2000, tfCloseFile);
   if (tsFileRsetId > 0) {
     return 0;
@@ -79,9 +77,7 @@ int64_t tfOpenCreateWriteAppend(const char *pathname, int32_t flags, mode_t mode
   return tfOpenImp(fd);
 }
 
-int64_t tfClose(int64_t tfd) {
-  return taosRemoveRef(tsFileRsetId, tfd);
-}
+int64_t tfClose(int64_t tfd) { return taosRemoveRef(tsFileRsetId, tfd); }
 
 int64_t tfWrite(int64_t tfd, void *buf, int64_t count) {
   void *p = taosAcquireRef(tsFileRsetId, tfd);
@@ -109,6 +105,19 @@ int64_t tfRead(int64_t tfd, void *buf, int64_t count) {
   return ret;
 }
 
+int64_t tfPread(int64_t tfd, void *buf, int64_t count, int32_t offset) {
+  void *p = taosAcquireRef(tsFileRsetId, tfd);
+  if (p == NULL) return -1;
+
+  int32_t fd = (int32_t)(uintptr_t)p;
+
+  int64_t ret = pread(fd, buf, count, offset);
+  if (ret < 0) terrno = TAOS_SYSTEM_ERROR(errno);
+
+  taosReleaseRef(tsFileRsetId, tfd);
+  return ret;
+}
+
 int32_t tfFsync(int64_t tfd) {
   void *p = taosAcquireRef(tsFileRsetId, tfd);
   if (p == NULL) return -1;