valib/bhshmq.git

			@@ -267,6 +267,43 @@
			return sender.Send(dest, msg, head.msg_id(), std::move(cb));
			}

			bool NodeCenter::RemotePublish(BHMsgHead &head, const std::string &body_content)
			{
			auto &topic = head.topic();
			auto clients = DoFindClients(topic, true);
			if (clients.empty()) { return true; }

			std::vector<MsgI> msgs;
			auto ReleaseAll = [&]() {for (auto &msg : msgs) { msg.Release(); } };
			DEFER1(ReleaseAll(););

			for (auto &cli : clients) {
			auto Send1 = [&](Node node) {
			auto &shm = node->shm_;
			for (auto &msg : msgs) {
			if (msg.shm().name() == shm.name()) {
			DefaultSender(shm).Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
			return;
			}
			}
			MsgI msg(shm);
			if (msg.Make(body_content)) {
			RecordMsg(msg);
			msgs.push_back(msg);
			DefaultSender(shm).Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
			}
			};
			auto node = cli.weak_node_.lock();
			if (node) {
			Send1(node);
			// should also make sure that mq is not killed before msg expires.
			// it would be ok if (kill_time - offline_time) is longer than expire time.
			}
			}

			return true;
			}

			bool NodeCenter::PassRemoteReplyToLocal(const MQInfo &dest, BHMsgHead &head, const std::string &body_content)
			{
			Node node(GetNode(dest.id_));
			@@ -469,11 +506,16 @@
			*info->mutable_proc() = node->proc_;
			info->mutable_proc()->clear_private_info();
			info->set_online(node->state_.flag_ == kStateNormal);
			for (auto &addr_topics : node->services_) {
			for (auto &topic : addr_topics.second) {
			info->mutable_topics()->add_topic_list(topic);
			auto AddTopics = [](auto &dst, auto &src) {
			for (auto &addr_topics : src) {
			for (auto &topic : addr_topics.second) {
			dst.add_topic_list(topic);
			}
			}
			}
			};
			AddTopics(*info->mutable_service(), node->services_);
			AddTopics(*info->mutable_local_sub(), node->local_sub_);
			AddTopics(*info->mutable_net_sub(), node->net_sub_);
			};

			if (!proc_id.empty()) {
			@@ -532,35 +574,50 @@
			return HandleMsg<Reply>(head, query);
			}

			void NodeCenter::NodeInfo::Subscribe(const BHMsgHead &head, const MsgSubscribe &msg, Node node)
			{
			auto src = SrcAddr(head);
			auto Sub = [&](auto &sub, auto &sub_map) {
			auto &topics = msg.topics().topic_list();
			sub[src].insert(topics.begin(), topics.end());
			const TopicDest &dest = {src, SrcAbsAddr(head), node};
			for (auto &topic : topics) {
			sub_map[topic].insert(dest);
			}
			};
			LOG_DEBUG() << "subscribe net : " << msg.network();
			if (msg.network()) {
			Sub(net_sub_, center_.net_sub_map_);
			} else {
			Sub(local_sub_, center_.local_sub_map_);
			}
			}

			MsgCommonReply NodeCenter::Subscribe(const BHMsgHead &head, const MsgSubscribe &msg)
			{
			return HandleMsg(head, [&](Node node) {
			auto src = SrcAddr(head);
			auto &topics = msg.topics().topic_list();
			node->subscriptions_[src].insert(topics.begin(), topics.end());
			TopicDest dest = {src, SrcAbsAddr(head), node};
			for (auto &topic : topics) {
			subscribe_map_[topic].insert(dest);
			}
			node->Subscribe(head, msg, node);
			return MakeReply(eSuccess);
			});
			}
			MsgCommonReply NodeCenter::Unsubscribe(const BHMsgHead &head, const MsgUnsubscribe &msg)
			{
			return HandleMsg(head, [&](Node node) {
			auto src = SrcAddr(head);
			auto pos = node->subscriptions_.find(src);

			auto RemoveSubTopicDestRecord = [this](const Topic &topic, const TopicDest &dest) {
			auto pos = subscribe_map_.find(topic);
			if (pos != subscribe_map_.end() &&
			void NodeCenter::NodeInfo::Unsubscribe(const BHMsgHead &head, const MsgUnsubscribe &msg, Node node)
			{
			auto src = SrcAddr(head);

			auto Unsub = [&](auto &sub, auto &sub_map) {
			auto pos = sub.find(src);

			auto RemoveSubTopicDestRecord = [&sub_map](const Topic &topic, const TopicDest &dest) {
			auto pos = sub_map.find(topic);
			if (pos != sub_map.end() &&
			pos->second.erase(dest) != 0 &&
			pos->second.empty()) {
			subscribe_map_.erase(pos);
			sub_map.erase(pos);
			}
			};

			if (pos != node->subscriptions_.end()) {
			if (pos != sub.end()) {
			const TopicDest &dest = {src, SrcAbsAddr(head), node};
			auto &topics = msg.topics().topic_list();
			// clear node sub records;
			@@ -569,26 +626,44 @@
			RemoveSubTopicDestRecord(topic, dest);
			}
			if (pos->second.empty()) {
			node->subscriptions_.erase(pos);
			sub.erase(pos);
			}
			}
			};
			if (msg.network()) {
			Unsub(net_sub_, center_.net_sub_map_);
			} else {
			Unsub(local_sub_, center_.local_sub_map_);
			}
			}

			MsgCommonReply NodeCenter::Unsubscribe(const BHMsgHead &head, const MsgUnsubscribe &msg)
			{
			return HandleMsg(head, [&](Node node) {
			node->Unsubscribe(head, msg, node);
			return MakeReply(eSuccess);
			});
			}

			NodeCenter::Clients NodeCenter::DoFindClients(const std::string &topic)
			NodeCenter::Clients NodeCenter::DoFindClients(const std::string &topic, bool from_remote)
			{
			Clients dests;
			auto Find1 = [&](const std::string &exact) {
			auto pos = subscribe_map_.find(exact);
			if (pos != subscribe_map_.end()) {
			auto &clients = pos->second;
			for (auto &cli : clients) {
			if (Valid(cli.weak_node_)) {
			dests.insert(cli);
			auto FindIn = [&](auto &sub_map) {
			auto pos = sub_map.find(exact);
			if (pos != sub_map.end()) {
			auto &clients = pos->second;
			for (auto &cli : clients) {
			if (Valid(cli.weak_node_)) {
			dests.insert(cli);
			}
			}
			}
			};
			if (!from_remote) {
			FindIn(local_sub_map_);
			}
			FindIn(net_sub_map_);
			};
			Find1(topic);

			@@ -605,15 +680,31 @@
			return dests;
			}

			bool NodeCenter::FindClients(const BHMsgHead &head, const MsgPublish &msg, Clients &out, MsgCommonReply &reply)
			MsgCommonReply NodeCenter::Publish(const BHMsgHead &head, const Topic &topic, MsgI &msg)
			{
			bool ret = false;
			HandleMsg(head, [&](Node node) {
			DoFindClients(msg.topic()).swap(out);
			ret = true;
			return HandleMsg(head, [&](Node node) {
			DoPublish(DefaultSender(node->shm_), topic, msg);
			return MakeReply(eSuccess);
			}).Swap(&reply);
			return ret;
			});
			}

			void NodeCenter::DoPublish(ShmSocket &sock, const Topic &topic, MsgI &msg)
			{
			try {
			auto clients = DoFindClients(topic, false);
			if (clients.empty()) { return; }

			for (auto &cli : clients) {
			auto node = cli.weak_node_.lock();
			if (node) {
			// should also make sure that mq is not killed before msg expires.
			// it would be ok if (kill_time - offline_time) is longer than expire time.
			sock.Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
			}
			}
			} catch (...) {
			LOG_ERROR() << "DoPublish error.";
			}
			}

			void NodeCenter::OnTimer()
			@@ -659,7 +750,8 @@
			}
			};
			EraseMapRec(service_map_, node->services_);
			EraseMapRec(subscribe_map_, node->subscriptions_);
			EraseMapRec(local_sub_map_, node->local_sub_);
			EraseMapRec(net_sub_map_, node->net_sub_);

			// remove online record.
			auto pos = online_node_addr_map_.find(node->proc_.proc_id());
			@@ -681,10 +773,6 @@
			void NodeCenter::Publish(SharedMemory &shm, const Topic &topic, const std::string &content)
			{
			try {
			// LOG_DEBUG() << "center publish: " << topic << ": " << content;
			Clients clients(DoFindClients(topic));
			if (clients.empty()) { return; }

			MsgPublish pub;
			pub.set_topic(topic);
			pub.set_data(content);
			@@ -693,16 +781,16 @@
			if (msg.Make(head, pub)) {
			DEFER1(msg.Release());
			RecordMsg(msg);

			for (auto &cli : clients) {
			auto node = cli.weak_node_.lock();
			if (node && node->state_.flag_ == kStateNormal) {
			DefaultSender(shm).Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
			}
			}
			DoPublish(DefaultSender(shm), topic, msg);
			}

			} catch (...) {
			LOG_ERROR() << "center publish error.";
			}
			}

			std::vector<std::string> NodeCenter::FindRemoteSubClients(const Topic &topic)
			{
			//TODO search synced full list;
			return std::vector<std::string>();
			}