[TD-10430] header file for the dnode module

include/server/dnode/dnode.h

@@ -20,53 +20,56 @@
 extern "C" {
 #endif
 
-struct SRpcMsg;
-struct SRpcEpSet;
-
 /**
  * Initialize and start the dnode module
  *
- * @return Error Code
+ * @return Instance of dnode module
  */
-int32_t dnodeInit();
+struct Dnode *dnodeCreateInstance();
 
 /**
  * Stop and cleanup dnode module
+ *
+ * @param dnode Instance of dnode module
  */
-void dnodeCleanup();
+void dnodeCleanupInstance(struct Dnode *dnode);
 
 /**
  * Send messages to other dnodes, such as create vnode message.
  *
+ * @param dnode The instance of Dnode module
  * @param epSet The endpoint list of the dnodes.
  * @param rpcMsg Message to be sent.
  */
-void dnodeSendMsgToDnode(SRpcEpSet *epSet, SRpcMsg *rpcMsg);
+void dnodeSendMsgToDnode(struct Dnode *dnode, struct SRpcEpSet *epSet, struct SRpcMsg *rpcMsg);
 
 /**
  * Send messages to mnode, such as config message.
  *
+ * @param dnode The instance of dnode module
  * @param rpcMsg Message to be sent.
  */
-void dnodeSendMsgToMnode(SRpcMsg *rpcMsg);
+void dnodeSendMsgToMnode(struct Dnode *dnode, struct SRpcMsg *rpcMsg);
+
+/**
+ * Send redirect message to dnode or shell.
+ *
+ * @param dnode The instance of dnode module
+ * @param rpcMsg Message to be sent.
+ * @param forShell Used to identify whether to send to shell or dnode.
+ */
+void dnodeSendRedirectMsg(struct Dnode *dnode, struct SRpcMsg *rpcMsg, bool forShell);
 
 /**
  * Get the corresponding endpoint information from dnodeId.
  *
- * @param dnodeId
+ * @param dnode The instance of Dnode module
+ * @param dnodeId The id ot dnode
  * @param ep The endpoint of dnode
  * @param fqdn The fqdn of dnode
  * @param port The port of dnode
  */
-void dnodeGetDnodeEp(int32_t dnodeId, char *ep, char *fqdn, uint16_t *port);
+void dnodeGetDnodeEp(struct Dnode *dnode, int32_t dnodeId, char *ep, char *fqdn, uint16_t *port);
-
-/**
- * Report to dnode the start-up steps of other modules
- *
- * @param name Name of the start-up phase.
- * @param desc Description of the start-up phase.
- */
-void dnodeReportStartup(char *name, char *desc);
 
 #ifdef __cplusplus
 }