From 3c7339498c5a47e912f6e6009c197291acd7e1fd Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期四, 03 六月 2021 11:27:39 +0800
Subject: [PATCH] change mq shm name prefix.

---
 box/center.cpp |   64 ++++++++++++++++++++++++-------
 1 files changed, 49 insertions(+), 15 deletions(-)

diff --git a/box/center.cpp b/box/center.cpp
index c3a03e3..020d1bf 100644
--- a/box/center.cpp
+++ b/box/center.cpp
@@ -17,7 +17,10 @@
  */
 #include "center.h"
 #include "center_topic_node.h"
+#include "io_service.h"
 #include "node_center.h"
+#include "tcp_proxy.h"
+#include "tcp_server.h"
 #include <chrono>
 
 using namespace std::chrono;
@@ -42,18 +45,6 @@
 	}
 }
 
-Handler Combine(const Handler &h1, const Handler &h2)
-{
-	return [h1, h2](ShmSocket &socket, bhome_msg::MsgI &msg, bhome_msg::BHMsgHead &head) {
-		return h1(socket, msg, head) || h2(socket, msg, head);
-	};
-}
-template <class... H>
-Handler Combine(const Handler &h0, const Handler &h1, const Handler &h2, const H &...rest)
-{
-	return Combine(Combine(h0, h1), h2, rest...);
-}
-
 #define CASE_ON_MSG_TYPE(MsgTag)                                                         \
 	case kMsgType##MsgTag:                                                               \
 		Dispatch<Msg##MsgTag>(                                                           \
@@ -73,7 +64,7 @@
 	};
 }
 
-bool AddCenter(std::shared_ptr<Synced<NodeCenter>> center_ptr, SharedMemory &shm)
+bool AddCenter(std::shared_ptr<Synced<NodeCenter>> center_ptr, SharedMemory &shm, TcpProxy &tcp_proxy)
 {
 	// command
 	auto OnCommand = [center_ptr](ShmSocket &socket, ShmMsgQueue::RawData &cmd) -> bool {
@@ -91,9 +82,45 @@
 		center->OnTimer();
 	};
 
-	auto OnCenter = [=](ShmSocket &socket, MsgI &msg, BHMsgHead &head) -> bool {
+	auto OnCenter = [=, &tcp_proxy](ShmSocket &socket, MsgI &msg, BHMsgHead &head) -> bool {
 		auto &center = *center_ptr;
 		auto replyer = MakeReplyer(socket, head, center);
+
+		if (!head.dest().ip().empty()) { // other host, proxy
+			auto valid = [&]() { return head.route_size() == 1; };
+			if (!valid()) { return false; }
+
+			if (head.type() == kMsgTypeRequestTopic) {
+				typedef MsgRequestTopicReply Reply;
+				Reply reply;
+				if (!center->CheckMsg(head, reply)) {
+					replyer(reply);
+				} else {
+					auto onResult = [&center](BHMsgHead &head, std::string body_content) {
+						if (head.route_size() > 0) {
+							auto &back = head.route(head.route_size() - 1);
+							MQInfo dest = {back.mq_id(), back.abs_addr()};
+							head.mutable_route()->RemoveLast();
+							center->PassRemoteReplyToLocal(dest, head, std::move(body_content));
+						}
+					};
+					uint16_t port = head.dest().port();
+					if (port == 0) {
+						port = kBHCenterPort;
+					}
+					if (!tcp_proxy.Request(head.dest().ip(), port, msg.content(), onResult)) {
+						replyer(MakeReply<Reply>(eError, "send request failed."));
+					} else {
+						// success
+					}
+				}
+				return true;
+			} else {
+				// ignore other msgs for now.
+			}
+			return false;
+		}
+
 		switch (head.type()) {
 			CASE_ON_MSG_TYPE(ProcInit);
 			CASE_ON_MSG_TYPE(Register);
@@ -167,7 +194,10 @@
 {
 	auto nsec = NodeTimeoutSec();
 	auto center_ptr = std::make_shared<Synced<NodeCenter>>("@bhome_center", nsec, nsec * 3); // *3 to allow other clients to finish sending msgs.
-	AddCenter(center_ptr, shm);
+	io_service_.reset(new IoService);
+	tcp_proxy_.reset(new TcpProxy(io_service_->io()));
+
+	AddCenter(center_ptr, shm, *tcp_proxy_);
 
 	for (auto &kv : Centers()) {
 		auto &info = kv.second;
@@ -175,6 +205,7 @@
 	}
 
 	topic_node_.reset(new CenterTopicNode(center_ptr, shm));
+	tcp_server_.reset(new TcpServer(io_service_->io(), kBHCenterPort, center_ptr));
 }
 
 BHCenter::~BHCenter() { Stop(); }
@@ -191,6 +222,9 @@
 
 bool BHCenter::Stop()
 {
+	tcp_proxy_.reset();
+	tcp_server_.reset();
+	io_service_.reset();
 	topic_node_->Stop();
 	for (auto &kv : sockets_) {
 		kv.second->Stop();

--
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