From 11f6c600e55ca5677f93624efe44d2605cdd908d Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 21 五月 2021 20:18:38 +0800
Subject: [PATCH] reserve #,@ prefix for internal proc id and topic.

---
 src/topic_node.cpp |   75 +++++++++++++++++++++++--------------
 1 files changed, 47 insertions(+), 28 deletions(-)

diff --git a/src/topic_node.cpp b/src/topic_node.cpp
index 6ed7713..3c38121 100644
--- a/src/topic_node.cpp
+++ b/src/topic_node.cpp
@@ -29,6 +29,11 @@
 
 namespace
 {
+bool ValidUserSymbol(const std::string &s)
+{
+	return !s.empty() && s[0] != '#' && s[0] != '@';
+}
+
 inline void AddRoute(BHMsgHead &head, const ShmSocket &sock)
 {
 	auto route = head.add_route();
@@ -66,13 +71,13 @@
 	}
 
 	if (ssn_id_ == 0) {
-		ssn_id_ = ShmMsgQueue::NewId();
+		ssn_id_ = NewSession();
 	}
 	LOG_DEBUG() << "Node Init, id " << ssn_id_;
 	auto NodeInit = [&]() {
 		int64_t init_request = ssn_id_ << 4 | EncodeCmd(eCmdNodeInit);
 		int64_t reply = 0;
-		if (BHNodeInit(init_request, reply) && DecodeCmd(reply) == eCmdNodeInitReply) {
+		if (BHNodeInit(shm(), init_request, reply) && DecodeCmd(reply) == eCmdNodeInitReply) {
 			int64_t abs_addr = reply >> 4;
 			sockets_.emplace_back(new ShmSocket(abs_addr, shm_, ssn_id_));
 			LOG_DEBUG() << "node init ok";
@@ -94,7 +99,7 @@
 				auto head = InitMsgHead(GetType(body), info_.proc_id(), ssn_id_);
 				AddRoute(head, socket);
 				if (imsg.Fill(head, body)) {
-					socket.Send(BHTopicCenterAddress(), imsg);
+					socket.Send(CenterAddr(), imsg);
 				}
 			} break;
 			case kMsgTypeProcInitReply: {
@@ -143,8 +148,13 @@
 	for (auto &p : sockets_) { p->Stop(); }
 }
 
-bool TopicNode::Register(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
+bool TopicNode::DoRegister(const bool internal, ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
 {
+	if (!internal && !ValidUserSymbol(proc.proc_id())) {
+		SetLastError(eInvalidInput, "invalid proc id :'" + proc.proc_id() + "'");
+		return false;
+	}
+
 	{
 		std::lock_guard<std::mutex> lk(mutex_);
 		info_ = proc;
@@ -187,12 +197,12 @@
 			MsgCommonReply body;
 			CheckResult(imsg, head, body);
 		};
-		return sock.Send(BHTopicCenterAddress(), head, body, onResult);
+		return sock.Send(CenterAddr(), head, body, onResult);
 	} else {
-		MsgI reply;
+		MsgI reply(shm());
 		DEFER1(reply.Release(););
 		BHMsgHead reply_head;
-		bool r = sock.SendAndRecv(BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms);
+		bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
 		if (r) {
 			CheckResult(reply, reply_head, reply_body);
 		}
@@ -228,12 +238,12 @@
 			MsgCommonReply body;
 			CheckResult(imsg, head, body);
 		};
-		return sock.Send(BHTopicCenterAddress(), head, body, onResult);
+		return sock.Send(CenterAddr(), head, body, onResult);
 	} else {
-		MsgI reply;
+		MsgI reply(shm());
 		DEFER1(reply.Release(););
 		BHMsgHead reply_head;
-		bool r = sock.SendAndRecv(BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms);
+		bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
 		return r && CheckResult(reply, reply_head, reply_body);
 	}
 }
@@ -253,12 +263,12 @@
 	AddRoute(head, sock);
 
 	if (timeout_ms == 0) {
-		return sock.Send(BHTopicCenterAddress(), head, body);
+		return sock.Send(CenterAddr(), head, body);
 	} else {
-		MsgI reply;
+		MsgI reply(shm());
 		DEFER1(reply.Release(););
 		BHMsgHead reply_head;
-		bool r = sock.SendAndRecv(BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms);
+		bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
 		r = r && reply_head.type() == kMsgTypeCommonReply && reply.ParseBody(reply_body);
 		return (r && IsSuccess(reply_body.errmsg().errcode()));
 	}
@@ -282,10 +292,10 @@
 	BHMsgHead head(InitMsgHead(GetType(query), proc_id(), ssn()));
 	AddRoute(head, sock);
 
-	MsgI reply;
+	MsgI reply(shm());
 	DEFER1(reply.Release());
 	BHMsgHead reply_head;
-	return (sock.SendAndRecv(BHTopicCenterAddress(), head, query, reply, reply_head, timeout_ms) &&
+	return (sock.SendAndRecv(CenterAddr(), head, query, reply, reply_head, timeout_ms) &&
 	        reply_head.type() == kMsgTypeQueryTopicReply &&
 	        reply.ParseBody(reply_body));
 }
@@ -301,16 +311,25 @@
 	BHMsgHead head(InitMsgHead(GetType(query), proc_id(), ssn()));
 	AddRoute(head, sock);
 
-	MsgI reply;
+	MsgI reply(shm());
 	DEFER1(reply.Release());
 	BHMsgHead reply_head;
-	return (sock.SendAndRecv(BHTopicCenterAddress(), head, query, reply, reply_head, timeout_ms) &&
+	return (sock.SendAndRecv(CenterAddr(), head, query, reply, reply_head, timeout_ms) &&
 	        reply_head.type() == kMsgTypeQueryProcReply &&
 	        reply.ParseBody(reply_body));
 }
 
-bool TopicNode::ServerRegisterRPC(MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms)
+bool TopicNode::DoServerRegisterRPC(const bool internal, MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms)
 {
+	if (!internal) {
+		for (auto &&topic : topics.topic_list()) {
+			if (!ValidUserSymbol(topic)) {
+				SetLastError(eInvalidInput, "invalid user topic :'" + topic + "'");
+				return false;
+			}
+		}
+	}
+
 	if (!IsOnline()) {
 		SetLastError(eNotRegistered, kErrMsgNotRegistered);
 		return false;
@@ -324,12 +343,12 @@
 	AddRoute(head, sock);
 
 	if (timeout_ms == 0) {
-		return sock.Send(BHTopicCenterAddress(), head, body);
+		return sock.Send(CenterAddr(), head, body);
 	} else {
-		MsgI reply;
+		MsgI reply(shm());
 		DEFER1(reply.Release(););
 		BHMsgHead reply_head;
-		bool r = sock.SendAndRecv(BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms);
+		bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
 		r = r && reply_head.type() == kMsgTypeCommonReply;
 		r = r && reply.ParseBody(reply_body);
 		return r;
@@ -525,7 +544,7 @@
 			AddRoute(head, sock);
 			head.set_topic(request.topic());
 
-			MsgI reply_msg;
+			MsgI reply_msg(shm());
 			DEFER1(reply_msg.Release(););
 			BHMsgHead reply_head;
 
@@ -596,13 +615,13 @@
 		AddRoute(head, sock);
 
 		if (timeout_ms == 0) {
-			return sock.Send(BHTopicBusAddress(), head, pub);
+			return sock.Send(BusAddr(), head, pub);
 		} else {
-			MsgI reply;
+			MsgI reply(shm());
 			DEFER1(reply.Release(););
 			BHMsgHead reply_head;
 			MsgCommonReply reply_body;
-			return sock.SendAndRecv(BHTopicBusAddress(), head, pub, reply, reply_head, timeout_ms) &&
+			return sock.SendAndRecv(BusAddr(), head, pub, reply, reply_head, timeout_ms) &&
 			       reply_head.type() == kMsgTypeCommonReply &&
 			       reply.ParseBody(reply_body) &&
 			       IsSuccess(reply_body.errmsg().errcode());
@@ -629,12 +648,12 @@
 		BHMsgHead head(InitMsgHead(GetType(sub), proc_id(), ssn()));
 		AddRoute(head, sock);
 		if (timeout_ms == 0) {
-			return sock.Send(BHTopicBusAddress(), head, sub);
+			return sock.Send(BusAddr(), head, sub);
 		} else {
-			MsgI reply;
+			MsgI reply(shm());
 			DEFER1(reply.Release(););
 			BHMsgHead reply_head;
-			return sock.SendAndRecv(BHTopicBusAddress(), head, sub, reply, reply_head, timeout_ms) &&
+			return sock.SendAndRecv(BusAddr(), head, sub, reply, reply_head, timeout_ms) &&
 			       reply_head.type() == kMsgTypeCommonReply &&
 			       reply.ParseBody(reply_body) &&
 			       IsSuccess(reply_body.errmsg().errcode());

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