145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TDENGINE_TRPC_H
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#define TDENGINE_TRPC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdbool.h>
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#include <stdint.h>
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#include "taosdef.h"
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#include "tmsg.h"
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#include "ttrace.h"
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#define TAOS_CONN_SERVER 0
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#define TAOS_CONN_CLIENT 1
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#define IsReq(pMsg) (pMsg->msgType & 1U)
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extern int32_t tsRpcHeadSize;
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typedef struct {
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uint32_t clientIp;
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uint16_t clientPort;
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int64_t applyIndex;
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uint64_t applyTerm;
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char user[TSDB_USER_LEN];
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} SRpcConnInfo;
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typedef struct SRpcHandleInfo {
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// rpc info
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void *handle; // rpc handle returned to app
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int64_t refId; // refid, used by server
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int32_t noResp; // has response or not(default 0, 0: resp, 1: no resp);
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int32_t persistHandle; // persist handle or not
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STraceId traceId;
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int8_t hasEpSet;
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// app info
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void *ahandle; // app handle set by client
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void *wrapper; // wrapper handle
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void *node; // node mgmt handle
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// resp info
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void *rsp;
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int32_t rspLen;
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// conn info
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SRpcConnInfo conn;
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} SRpcHandleInfo;
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typedef struct SRpcMsg {
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tmsg_t msgType;
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void *pCont;
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int32_t contLen;
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int32_t code;
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SRpcHandleInfo info;
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} SRpcMsg;
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typedef void (*RpcCfp)(void *parent, SRpcMsg *, SEpSet *rf);
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typedef bool (*RpcRfp)(int32_t code, tmsg_t msgType);
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typedef struct SRpcInit {
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char localFqdn[TSDB_FQDN_LEN];
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uint16_t localPort; // local port
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char *label; // for debug purpose
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int32_t numOfThreads; // number of threads to handle connections
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int32_t sessions; // number of sessions allowed
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int8_t connType; // TAOS_CONN_UDP, TAOS_CONN_TCPC, TAOS_CONN_TCPS
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int32_t idleTime; // milliseconds, 0 means idle timer is disabled
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// the following is for client app ecurity only
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char *user; // user name
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// call back to process incoming msg, code shall be ignored by server app
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RpcCfp cfp;
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// user defined retry func
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RpcRfp rfp;
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void *parent;
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} SRpcInit;
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typedef struct {
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void *val;
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int32_t (*clone)(void *src, void **dst);
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} SRpcCtxVal;
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typedef struct {
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int32_t msgType;
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void *val;
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int32_t (*clone)(void *src, void **dst);
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} SRpcBrokenlinkVal;
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typedef struct {
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SHashObj *args;
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SRpcBrokenlinkVal brokenVal;
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void (*freeFunc)(const void *arg);
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} SRpcCtx;
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int32_t rpcInit();
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void rpcCleanup();
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void *rpcOpen(const SRpcInit *pRpc);
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void rpcClose(void *);
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void rpcCloseImpl(void *);
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void *rpcMallocCont(int32_t contLen);
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void rpcFreeCont(void *pCont);
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void *rpcReallocCont(void *ptr, int32_t contLen);
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// Because taosd supports multi-process mode
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// These functions should not be used on the server side
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// Please use tmsg<xx> functions, which are defined in tmsgcb.h
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void rpcSendRequest(void *thandle, const SEpSet *pEpSet, SRpcMsg *pMsg, int64_t *rid);
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void rpcSendResponse(const SRpcMsg *pMsg);
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void rpcRegisterBrokenLinkArg(SRpcMsg *msg);
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void rpcReleaseHandle(void *handle, int8_t type); // just release conn to rpc instance, no close sock
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// These functions will not be called in the child process
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void rpcSendRedirectRsp(void *pConn, const SEpSet *pEpSet);
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void rpcSendRequestWithCtx(void *thandle, const SEpSet *pEpSet, SRpcMsg *pMsg, int64_t *rid, SRpcCtx *ctx);
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int32_t rpcGetConnInfo(void *thandle, SRpcConnInfo *pInfo);
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void rpcSendRecv(void *shandle, SEpSet *pEpSet, SRpcMsg *pReq, SRpcMsg *pRsp);
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void rpcSetDefaultAddr(void *thandle, const char *ip, const char *fqdn);
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void* rpcAllocHandle();
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_TRPC_H
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