/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #define _DEFAULT_SOURCE #include "dndTransport.h" #include "dmMgmt.h" #include "mmInt.h" #define INTERNAL_USER "_dnd" #define INTERNAL_CKEY "_key" #define INTERNAL_SECRET "_pwd" static void dndProcessResponse(void *parent, SRpcMsg *pRsp, SEpSet *pEpSet) { SDnode *pDnode = parent; STransMgmt *pMgmt = &pDnode->tmgmt; tmsg_t msgType = pRsp->msgType; if (dndGetStatus(pDnode) == DND_STAT_STOPPED) { if (pRsp == NULL || pRsp->pCont == NULL) return; dTrace("RPC %p, rsp:%s ignored since dnode exiting, app:%p", pRsp->handle, TMSG_INFO(msgType), pRsp->ahandle); rpcFreeCont(pRsp->pCont); return; } SMsgHandle *pHandle = &pMgmt->msgHandles[TMSG_INDEX(msgType)]; if (pHandle->rpcMsgFp != NULL) { dTrace("RPC %p, rsp:%s will be processed by %s, code:0x%x app:%p", pRsp->handle, TMSG_INFO(msgType), pHandle->pWrapper->name, pRsp->code & 0XFFFF, pRsp->ahandle); (*pHandle->rpcMsgFp)(pDnode, pHandle->pWrapper, pRsp, pEpSet); } else { dError("RPC %p, rsp:%s not processed, app:%p", pRsp->handle, TMSG_INFO(msgType), pRsp->ahandle); rpcFreeCont(pRsp->pCont); } } int32_t dndInitClient(SDnode *pDnode) { STransMgmt *pMgmt = &pDnode->tmgmt; SRpcInit rpcInit; memset(&rpcInit, 0, sizeof(rpcInit)); rpcInit.label = "CLI"; rpcInit.numOfThreads = 1; rpcInit.cfp = dndProcessResponse; rpcInit.sessions = 1024; rpcInit.connType = TAOS_CONN_CLIENT; rpcInit.idleTime = tsShellActivityTimer * 1000; rpcInit.user = INTERNAL_USER; rpcInit.ckey = INTERNAL_CKEY; rpcInit.spi = 1; rpcInit.parent = pDnode; char pass[TSDB_PASSWORD_LEN + 1] = {0}; taosEncryptPass_c((uint8_t *)(INTERNAL_SECRET), strlen(INTERNAL_SECRET), pass); rpcInit.secret = pass; pMgmt->clientRpc = rpcOpen(&rpcInit); if (pMgmt->clientRpc == NULL) { dError("failed to init dnode rpc client"); return -1; } dDebug("dnode rpc client is initialized"); return 0; } void dndCleanupClient(SDnode *pDnode) { STransMgmt *pMgmt = &pDnode->tmgmt; if (pMgmt->clientRpc) { rpcClose(pMgmt->clientRpc); pMgmt->clientRpc = NULL; dDebug("dnode rpc client is closed"); } } static void dndProcessRequest(void *param, SRpcMsg *pReq, SEpSet *pEpSet) { SDnode *pDnode = param; STransMgmt *pMgmt = &pDnode->tmgmt; tmsg_t msgType = pReq->msgType; if (msgType == TDMT_DND_NETWORK_TEST) { dTrace("RPC %p, network test req will be processed, app:%p", pReq->handle, pReq->ahandle); dndProcessStartupReq(pDnode, pReq); return; } if (dndGetStatus(pDnode) == DND_STAT_STOPPED) { dError("RPC %p, req:%s ignored since dnode exiting, app:%p", pReq->handle, TMSG_INFO(msgType), pReq->ahandle); SRpcMsg rspMsg = {.handle = pReq->handle, .code = TSDB_CODE_DND_OFFLINE, .ahandle = pReq->ahandle}; rpcSendResponse(&rspMsg); rpcFreeCont(pReq->pCont); return; } else if (dndGetStatus(pDnode) != DND_STAT_RUNNING) { dError("RPC %p, req:%s ignored since dnode not running, app:%p", pReq->handle, TMSG_INFO(msgType), pReq->ahandle); SRpcMsg rspMsg = {.handle = pReq->handle, .code = TSDB_CODE_APP_NOT_READY, .ahandle = pReq->ahandle}; rpcSendResponse(&rspMsg); rpcFreeCont(pReq->pCont); return; } if (pReq->pCont == NULL) { dTrace("RPC %p, req:%s not processed since its empty, app:%p", pReq->handle, TMSG_INFO(msgType), pReq->ahandle); SRpcMsg rspMsg = {.handle = pReq->handle, .code = TSDB_CODE_DND_INVALID_MSG_LEN, .ahandle = pReq->ahandle}; rpcSendResponse(&rspMsg); return; } SMsgHandle *pHandle = &pMgmt->msgHandles[TMSG_INDEX(msgType)]; if (pHandle->rpcMsgFp != NULL) { dTrace("RPC %p, req:%s will be processed by %s, app:%p", pReq->handle, TMSG_INFO(msgType), pHandle->pWrapper->name, pReq->ahandle); (*pHandle->rpcMsgFp)(pDnode, pHandle->pWrapper, pReq, pEpSet); } else { dError("RPC %p, req:%s not processed since no handle, app:%p", pReq->handle, TMSG_INFO(msgType), pReq->ahandle); SRpcMsg rspMsg = {.handle = pReq->handle, .code = TSDB_CODE_MSG_NOT_PROCESSED, .ahandle = pReq->ahandle}; rpcSendResponse(&rspMsg); rpcFreeCont(pReq->pCont); } } static void dndSendMsgToMnodeRecv(SDnode *pDnode, SRpcMsg *pRpcMsg, SRpcMsg *pRpcRsp) { STransMgmt *pMgmt = &pDnode->tmgmt; SEpSet epSet = {0}; dndGetMnodeEpSet(pDnode, &epSet); rpcSendRecv(pMgmt->clientRpc, &epSet, pRpcMsg, pRpcRsp); } static int32_t dndGetHideUserAuth(SDnode *pDnode, char *user, char *spi, char *encrypt, char *secret, char *ckey) { int32_t code = 0; char pass[TSDB_PASSWORD_LEN + 1] = {0}; if (strcmp(user, INTERNAL_USER) == 0) { taosEncryptPass_c((uint8_t *)(INTERNAL_SECRET), strlen(INTERNAL_SECRET), pass); } else if (strcmp(user, TSDB_NETTEST_USER) == 0) { taosEncryptPass_c((uint8_t *)(TSDB_NETTEST_USER), strlen(TSDB_NETTEST_USER), pass); } else { code = -1; } if (code == 0) { memcpy(secret, pass, TSDB_PASSWORD_LEN); *spi = 1; *encrypt = 0; *ckey = 0; } return code; } static int32_t dndRetrieveUserAuthInfo(void *parent, char *user, char *spi, char *encrypt, char *secret, char *ckey) { SDnode *pDnode = parent; if (dndGetHideUserAuth(parent, user, spi, encrypt, secret, ckey) == 0) { dTrace("user:%s, get auth from mnode, spi:%d encrypt:%d", user, *spi, *encrypt); return 0; } if (mmGetUserAuth(dndGetWrapper(pDnode, MNODE), user, spi, encrypt, secret, ckey) == 0) { dTrace("user:%s, get auth from mnode, spi:%d encrypt:%d", user, *spi, *encrypt); return 0; } if (terrno != TSDB_CODE_APP_NOT_READY) { dTrace("failed to get user auth from mnode since %s", terrstr()); return -1; } SAuthReq authReq = {0}; tstrncpy(authReq.user, user, TSDB_USER_LEN); int32_t contLen = tSerializeSAuthReq(NULL, 0, &authReq); void *pReq = rpcMallocCont(contLen); tSerializeSAuthReq(pReq, contLen, &authReq); SRpcMsg rpcMsg = {.pCont = pReq, .contLen = contLen, .msgType = TDMT_MND_AUTH, .ahandle = (void *)9528}; SRpcMsg rpcRsp = {0}; dTrace("user:%s, send user auth req to other mnodes, spi:%d encrypt:%d", user, authReq.spi, authReq.encrypt); dndSendMsgToMnodeRecv(pDnode, &rpcMsg, &rpcRsp); if (rpcRsp.code != 0) { terrno = rpcRsp.code; dError("user:%s, failed to get user auth from other mnodes since %s", user, terrstr()); } else { SAuthRsp authRsp = {0}; tDeserializeSAuthReq(rpcRsp.pCont, rpcRsp.contLen, &authRsp); memcpy(secret, authRsp.secret, TSDB_PASSWORD_LEN); memcpy(ckey, authRsp.ckey, TSDB_PASSWORD_LEN); *spi = authRsp.spi; *encrypt = authRsp.encrypt; dTrace("user:%s, success to get user auth from other mnodes, spi:%d encrypt:%d", user, authRsp.spi, authRsp.encrypt); } rpcFreeCont(rpcRsp.pCont); return rpcRsp.code; } int32_t dndInitServer(SDnode *pDnode) { STransMgmt *pMgmt = &pDnode->tmgmt; int32_t numOfThreads = (int32_t)((tsNumOfCores * tsNumOfThreadsPerCore) / 2.0); if (numOfThreads < 1) { numOfThreads = 1; } SRpcInit rpcInit; memset(&rpcInit, 0, sizeof(rpcInit)); rpcInit.localPort = pDnode->cfg.serverPort; rpcInit.label = "SRV"; rpcInit.numOfThreads = numOfThreads; rpcInit.cfp = dndProcessRequest; rpcInit.sessions = tsMaxShellConns; rpcInit.connType = TAOS_CONN_SERVER; rpcInit.idleTime = tsShellActivityTimer * 1000; rpcInit.afp = dndRetrieveUserAuthInfo; rpcInit.parent = pDnode; pMgmt->serverRpc = rpcOpen(&rpcInit); if (pMgmt->serverRpc == NULL) { dError("failed to init dnode rpc server"); return -1; } dDebug("dnode rpc server is initialized"); return 0; } static void dndCleanupServer(SDnode *pDnode) { STransMgmt *pMgmt = &pDnode->tmgmt; if (pMgmt->serverRpc) { rpcClose(pMgmt->serverRpc); pMgmt->serverRpc = NULL; dDebug("dnode rpc server is closed"); } } static int32_t dndSetMsgHandle(SDnode *pDnode) { STransMgmt *pMgmt = &pDnode->tmgmt; for (ENodeType nodeType = 0; nodeType < NODE_MAX; ++nodeType) { SMgmtWrapper *pWrapper = &pDnode->wrappers[nodeType]; GetMsgHandleFp getMsgHandleFp = pDnode->fps[nodeType].getMsgHandleFp; if (getMsgHandleFp == NULL) continue; for (int32_t msgIndex = 0; msgIndex < TDMT_MAX; ++msgIndex) { SMsgHandle msgHandle = (*getMsgHandleFp)(pWrapper, msgIndex); if (msgHandle.rpcMsgFp == NULL) continue; SMsgHandle *pHandle = &pMgmt->msgHandles[msgIndex]; if (pHandle->rpcMsgFp != NULL) { dError("msg:%s, has multiple process nodes, prev node:%s, curr node:%s", tMsgInfo[msgIndex], pHandle->pWrapper->name, pWrapper->name); return -1; } else { dDebug("msg:%s, will be processed by node:%s", tMsgInfo[msgIndex], pWrapper->name); *pHandle = msgHandle; } } } return 0; } int32_t dndInitTrans(SDnode *pDnode) { dInfo("dnode-transport start to init"); if (dndSetMsgHandle(pDnode) != 0) { return -1; } if (dndInitClient(pDnode) != 0) { return -1; } if (dndInitServer(pDnode) != 0) { return -1; } dInfo("dnode-transport is initialized"); return 0; } void dndCleanupTrans(SDnode *pDnode) { dInfo("dnode-transport start to clean up"); dndCleanupServer(pDnode); dndCleanupClient(pDnode); dInfo("dnode-transport is cleaned up"); } int32_t dndSendReqToDnode(SDnode *pDnode, SEpSet *pEpSet, SRpcMsg *pReq) { STransMgmt *pMgmt = &pDnode->tmgmt; if (pMgmt->clientRpc == NULL) { terrno = TSDB_CODE_DND_OFFLINE; return -1; } rpcSendRequest(pMgmt->clientRpc, pEpSet, pReq, NULL); return 0; } int32_t dndSendReqToMnode(SDnode *pDnode, SRpcMsg *pReq) { SEpSet epSet = {0}; dndGetMnodeEpSet(pDnode, &epSet); return dndSendReqToDnode(pDnode, &epSet, pReq); }