From 0117d5f8ff386075b0c4cbec0cbe460fe3cfa680 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期四, 06 五月 2021 18:57:25 +0800
Subject: [PATCH] add logging, use boost.log.

---
 src/topic_node.cpp |   65 ++++++++++++++++++++++++--------
 1 files changed, 49 insertions(+), 16 deletions(-)

diff --git a/src/topic_node.cpp b/src/topic_node.cpp
index 1131816..c31cfc3 100644
--- a/src/topic_node.cpp
+++ b/src/topic_node.cpp
@@ -37,30 +37,52 @@
 } // namespace
 
 TopicNode::TopicNode(SharedMemory &shm) :
-    shm_(shm), sockets_(eSockEnd), state_(eStateUnregistered)
+    shm_(shm), state_(eStateUnregistered)
 {
-	for (int i = eSockStart; i < eSockEnd; ++i) {
-		sockets_[i].reset(new ShmSocket(shm_, kMqLen));
-	}
-	// recv msgs to avoid memory leak.
-	auto default_ignore_msg = [](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) { return true; };
-	SockNode().Start(default_ignore_msg);
-	// for (auto &p : sockets_) {
-	// 	p->Start(default_ignore_msg);
-	// }
+	Init();
 }
 
 TopicNode::~TopicNode()
 {
+	LOG_DEBUG() << "~TopicNode()";
 	Stop();
-	SockNode().Stop();
-	if (state() == eStateUnregistered) {
-		for (auto &p : sockets_) { p->Remove(); }
+}
+
+bool TopicNode::Init()
+{
+	std::lock_guard<std::mutex> lk(mutex_);
+
+	if (Valid()) {
+		return true;
 	}
+
+	if (ssn_id_ == 0) {
+		ssn_id_ = ShmMsgQueue::NewId();
+	}
+	LOG_DEBUG() << "Node Init, id " << ssn_id_;
+	MsgI msg;
+	msg.OffsetRef() = ssn_id_;
+	if (ShmMsgQueue::TrySend(shm(), BHInitAddress(), msg)) {
+		sockets_.resize(eSockEnd);
+		for (int i = eSockStart; i < eSockEnd; ++i) {
+			sockets_[i].reset(new ShmSocket(shm_, ssn_id_ + i, kMqLen));
+		}
+		// recv msgs to avoid memory leak.
+		auto default_ignore_msg = [](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) { return true; };
+		SockNode().Start(default_ignore_msg);
+		return true;
+	}
+	return false;
 }
 
 void TopicNode::Start(ServerAsyncCB const &server_cb, SubDataCB const &sub_cb, RequestResultCB &client_cb, int nworker)
 {
+	std::lock_guard<std::mutex> lk(mutex_);
+
+	if (!Init()) {
+		SetLastError(eError, "BHome Node Not Inited.");
+		return;
+	}
 	if (nworker < 1) {
 		nworker = 1;
 	} else if (nworker > 16) {
@@ -73,11 +95,18 @@
 }
 void TopicNode::Stop()
 {
+	LOG_DEBUG() << "Node Stopping";
 	for (auto &p : sockets_) { p->Stop(); }
+	LOG_INFO() << "Node Stopped";
 }
 
 bool TopicNode::Register(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
 {
+	if (!Init()) {
+		SetLastError(eError, "BHome Node Not Inited.");
+		return false;
+	}
+
 	info_ = proc;
 
 	auto &sock = SockNode();
@@ -123,6 +152,11 @@
 }
 bool TopicNode::Unregister(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
 {
+	if (!IsOnline()) {
+		SetLastError(eNotRegistered, "Not Registered.");
+		return false;
+	}
+
 	info_.Clear();
 	state_cas(eStateOnline, eStateOffline);
 
@@ -389,7 +423,7 @@
 
 		BHAddress addr;
 		if (ClientQueryRPCTopic(request.topic(), addr, timeout_ms)) {
-			printf("node: %ld, topic dest: %ld\n", SockNode().id(), addr.mq_id());
+			LOG_TRACE() << "node: " << SockNode().id() << ", topic dest: " << addr.mq_id();
 			BHMsgHead head(InitMsgHead(GetType(request), proc_id(), ssn()));
 			AddRoute(head, sock.id());
 			head.set_topic(request.topic());
@@ -404,8 +438,6 @@
 				reply_head.mutable_proc_id()->swap(out_proc_id);
 				return true;
 			}
-		} else {
-			SetLastError(eNotFound, "remote not found.");
 		}
 	} catch (...) {
 		SetLastError(eError, __func__ + std::string(" internal errer."));
@@ -448,6 +480,7 @@
 			return true;
 		}
 	}
+	SetLastError(eNotFound, "remote not found.");
 	return false;
 }
 

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