From 153375e3b152768cbffce715d049499945834c29 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期二, 13 四月 2021 15:11:14 +0800
Subject: [PATCH] add api code, use proto msg as data.

---
 src/topic_node.cpp |   86 +++++++++++++++---------------------------
 1 files changed, 31 insertions(+), 55 deletions(-)

diff --git a/src/topic_node.cpp b/src/topic_node.cpp
index 788c536..8f039de 100644
--- a/src/topic_node.cpp
+++ b/src/topic_node.cpp
@@ -39,7 +39,7 @@
 TopicNode::TopicNode(SharedMemory &shm) :
     shm_(shm), sock_node_(shm), sock_request_(shm), sock_reply_(shm), sock_sub_(shm)
 {
-	Start();
+	SockNode().Start();
 }
 
 TopicNode::~TopicNode()
@@ -47,14 +47,15 @@
 	Stop();
 }
 
-void TopicNode::Start()
+void TopicNode::Start(ServerCB const &server_cb, SubDataCB const &sub_cb)
 {
-	SockNode().Start();
-	SockClient().Start();
-	SockServer().Start();
+	ServerStart(server_cb, 1);
+	SubscribeStartWorker(sub_cb, 1);
+	// SockClient().Start();
 }
 void TopicNode::Stop()
 {
+	SockSub().Stop();
 	SockServer().Stop();
 	SockClient().Stop();
 	SockNode().Stop();
@@ -132,10 +133,8 @@
 	return r;
 }
 
-bool TopicNode::ServerStart(const OnRequest &rcb, int nworker)
+bool TopicNode::ServerStart(const ServerCB &rcb, int nworker)
 {
-	//TODO check registered
-
 	auto failed_q = std::make_shared<ServerFailedQ>();
 
 	auto onIdle = [failed_q](ShmSocket &socket) { failed_q->TrySend(socket); };
@@ -144,10 +143,8 @@
 		if (head.type() == kMsgTypeRequestTopic && head.route_size() > 0) {
 			MsgRequestTopic req;
 			if (imsg.ParseBody(req)) {
-				std::string out;
-				if (rcb(req.topic(), req.data(), out)) {
-					MsgRequestTopicReply reply_body;
-					reply_body.set_data(std::move(out));
+				MsgRequestTopicReply reply_body;
+				if (rcb(head.proc_id(), req, reply_body)) {
 					BHMsgHead reply_head(InitMsgHead(GetType(reply_body), proc_id(), head.msg_id()));
 
 					for (int i = 0; i < head.route_size() - 1; ++i) {
@@ -173,17 +170,15 @@
 	return rcb && sock.Start(onRecv, onIdle, nworker);
 }
 
-bool TopicNode::ServerRecvRequest(void *&src_info, std::string &topic, std::string &data, const int timeout_ms)
+bool TopicNode::ServerRecvRequest(void *&src_info, std::string &proc_id, MsgRequestTopic &request, const int timeout_ms)
 {
 	auto &sock = SockServer();
 
 	MsgI imsg;
 	BHMsgHead head;
 	if (sock.SyncRecv(imsg, head, timeout_ms) && head.type() == kMsgTypeRequestTopic) {
-		MsgRequestTopic request;
 		if (imsg.ParseBody(request)) {
-			request.mutable_topic()->swap(topic);
-			request.mutable_data()->swap(data);
+			head.mutable_proc_id()->swap(proc_id);
 			SrcInfo *p = new SrcInfo;
 			p->route.assign(head.route().begin(), head.route().end());
 			p->msg_id = head.msg_id();
@@ -194,7 +189,7 @@
 	return false;
 }
 
-bool TopicNode::ServerSendReply(void *src_info, const std::string &data, const int timeout_ms)
+bool TopicNode::ServerSendReply(void *src_info, const MsgRequestTopicReply &body, const int timeout_ms)
 {
 	auto &sock = SockServer();
 
@@ -203,14 +198,10 @@
 	if (!p || p->route.empty()) {
 		return false;
 	}
-	MsgRequestTopicReply body;
-	body.set_data(data);
 	BHMsgHead head(InitMsgHead(GetType(body), proc_id(), p->msg_id));
-
 	for (unsigned i = 0; i < p->route.size() - 1; ++i) {
 		head.add_route()->Swap(&p->route[i]);
 	}
-
 	return sock.Send(p->route.back().mq_id().data(), head, body, timeout_ms);
 }
 
@@ -223,7 +214,7 @@
 		if (head.type() == kMsgTypeRequestTopicReply) {
 			MsgRequestTopicReply reply;
 			if (imsg.ParseBody(reply)) {
-				cb(reply.data());
+				cb(head.proc_id(), reply);
 			}
 		}
 	};
@@ -231,14 +222,11 @@
 	return SockRequest().Start(onData, nworker);
 }
 
-bool TopicNode::ClientAsyncRequest(const Topic &topic, const void *data, const size_t size, const int timeout_ms, const RequestResultCB &cb)
+bool TopicNode::ClientAsyncRequest(const MsgRequestTopic &req, const int timeout_ms, const RequestResultCB &cb)
 {
 	auto Call = [&](const void *remote) {
 		auto &sock = SockRequest();
 
-		MsgRequestTopic req;
-		req.set_topic(topic);
-		req.set_data(data, size);
 		BHMsgHead head(InitMsgHead(GetType(req), proc_id()));
 		AddRoute(head, sock.id());
 
@@ -247,7 +235,7 @@
 				if (head.type() == kMsgTypeRequestTopicReply) {
 					MsgRequestTopicReply reply;
 					if (imsg.ParseBody(reply)) {
-						cb(reply.data());
+						cb(head.proc_id(), reply);
 					}
 				}
 			};
@@ -259,9 +247,10 @@
 
 	try {
 		BHAddress addr;
-		if (ClientQueryRPCTopic(topic, addr, timeout_ms)) {
+		if (ClientQueryRPCTopic(req.topic(), addr, timeout_ms)) {
 			return Call(addr.mq_id().data());
 		} else {
+			SetLastError(eNotFound, "remote not found.");
 			return false;
 		}
 	} catch (...) {
@@ -269,37 +258,30 @@
 	}
 }
 
-bool TopicNode::ClientSyncRequest(const Topic &topic, const void *data, const size_t size, std::string &out, const int timeout_ms)
+bool TopicNode::ClientSyncRequest(const MsgRequestTopic &request, std::string &out_proc_id, MsgRequestTopicReply &out_reply, const int timeout_ms)
 {
 	try {
 		auto &sock = SockRequest();
 
 		BHAddress addr;
-		if (ClientQueryRPCTopic(topic, addr, timeout_ms)) {
-
-			MsgRequestTopic req;
-			req.set_topic(topic);
-			req.set_data(data, size);
-			BHMsgHead head(InitMsgHead(GetType(req), proc_id()));
+		if (ClientQueryRPCTopic(request.topic(), addr, timeout_ms)) {
+			BHMsgHead head(InitMsgHead(GetType(request), proc_id()));
 			AddRoute(head, sock.id());
 
-			MsgI reply;
-			DEFER1(reply.Release(shm_););
+			MsgI reply_msg;
+			DEFER1(reply_msg.Release(shm_););
 			BHMsgHead reply_head;
 
-			if (sock.SendAndRecv(addr.mq_id().data(), head, req, reply, reply_head, timeout_ms) && reply_head.type() == kMsgTypeRequestTopicReply) {
-				MsgRequestTopicReply dr;
-				if (reply.ParseBody(dr)) {
-					dr.mutable_data()->swap(out);
+			if (sock.SendAndRecv(addr.mq_id().data(), head, request, reply_msg, reply_head, timeout_ms) && reply_head.type() == kMsgTypeRequestTopicReply) {
+				if (reply_msg.ParseBody(out_reply)) {
+					reply_head.mutable_proc_id()->swap(out_proc_id);
 					return true;
 				} else {
 					printf("error parse reply.\n");
 				}
-			} else {
-				printf("error recv data. line: %d\n", __LINE__);
 			}
 		} else {
-			printf("error recv data. line: %d\n", __LINE__);
+			SetLastError(eNotFound, "remote not found.");
 		}
 	} catch (...) {
 		printf("error recv data. line: %d\n", __LINE__);
@@ -344,14 +326,10 @@
 
 // publish
 
-bool TopicNode::Publish(const Topic &topic, const void *data, const size_t size, const int timeout_ms)
+bool TopicNode::Publish(const MsgPublish &pub, const int timeout_ms)
 {
 	try {
 		auto &sock = SockPub();
-
-		MsgPublish pub;
-		pub.set_topic(topic);
-		pub.set_data(data, size);
 		BHMsgHead head(InitMsgHead(GetType(pub), proc_id()));
 		AddRoute(head, sock.id());
 
@@ -386,7 +364,7 @@
 	}
 }
 
-bool TopicNode::SubscribeStartWorker(const TopicDataCB &tdcb, int nworker)
+bool TopicNode::SubscribeStartWorker(const SubDataCB &tdcb, int nworker)
 {
 	auto &sock = SockSub();
 
@@ -394,7 +372,7 @@
 		if (head.type() == kMsgTypePublish) {
 			MsgPublish pub;
 			if (imsg.ParseBody(pub)) {
-				tdcb(head.proc_id(), pub.topic(), pub.data());
+				tdcb(head.proc_id(), pub);
 			}
 		} else {
 			// ignored, or dropped
@@ -404,18 +382,16 @@
 	return tdcb && sock.Start(AsyncRecvProc, nworker);
 }
 
-bool TopicNode::RecvSub(std::string &proc_id, Topic &topic, std::string &data, const int timeout_ms)
+bool TopicNode::RecvSub(std::string &proc_id, MsgPublish &pub, const int timeout_ms)
 {
 	auto &sock = SockSub();
 	MsgI msg;
 	DEFER1(msg.Release(shm()););
 	BHMsgHead head;
+	//TODO error msg.
 	if (sock.SyncRecv(msg, head, timeout_ms) && head.type() == kMsgTypePublish) {
-		MsgPublish pub;
 		if (msg.ParseBody(pub)) {
 			head.mutable_proc_id()->swap(proc_id);
-			pub.mutable_topic()->swap(topic);
-			pub.mutable_data()->swap(data);
 			return true;
 		}
 	}

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