From d33a69463f1a75134d01191be0b9e1bdd757dd4b Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 30 四月 2021 15:27:59 +0800
Subject: [PATCH] add atomic queue, no lock, unorder.

---
 src/bh_api.cpp |   67 +++++++++++++++++++++++++++------
 1 files changed, 54 insertions(+), 13 deletions(-)

diff --git a/src/bh_api.cpp b/src/bh_api.cpp
index f0ba26d..c29afd9 100644
--- a/src/bh_api.cpp
+++ b/src/bh_api.cpp
@@ -8,11 +8,15 @@
 
 namespace
 {
+std::unique_ptr<TopicNode> &ProcNodePtr()
+{
+	static bool init = GlobalInit(BHomeShm());
+	static std::unique_ptr<TopicNode> ptr(new TopicNode(BHomeShm()));
+	return ptr;
+}
 TopicNode &ProcNode()
 {
-	static bool init_bind_msg_shm = MsgI::BindShm(BHomeShm());
-	static TopicNode node(BHomeShm());
-	return node;
+	return *ProcNodePtr();
 }
 
 class TmpPtr : private boost::noncopyable
@@ -71,12 +75,10 @@
 }
 
 template <class MsgIn, class MsgOut = MsgCommonReply>
-bool BHApiIn1Out1(bool (TopicNode::*mfunc)(MsgIn &, MsgOut &, const int),
-                  const void *request,
-                  const int request_len,
-                  void **reply,
-                  int *reply_len,
-                  const int timeout_ms)
+bool BHApi_In1_Out1(bool (TopicNode::*mfunc)(MsgIn &, MsgOut &, const int),
+                    const void *request, const int request_len,
+                    void **reply, int *reply_len,
+                    const int timeout_ms)
 {
 	MsgIn input;
 	if (!input.ParseFromArray(request, request_len)) {
@@ -85,6 +87,25 @@
 	}
 	MsgOut msg_reply;
 	return (ProcNode().*mfunc)(input, msg_reply, timeout_ms) &&
+	       PackOutput(msg_reply, reply, reply_len);
+}
+
+template <class MsgIn0, class MsgIn1, class MsgOut = MsgCommonReply>
+bool BHApi_In2_Out1(bool (TopicNode::*mfunc)(MsgIn0 &, MsgIn1 &, MsgOut &, const int),
+                    const void *in0, const int in0_len,
+                    const void *in1, const int in1_len,
+                    void **reply, int *reply_len,
+                    const int timeout_ms)
+{
+	MsgIn0 input0;
+	MsgIn1 input1;
+	if (!input0.ParseFromArray(in0, in0_len) ||
+	    !input1.ParseFromArray(in1, in1_len)) {
+		SetLastError(eInvalidInput, "invalid input.");
+		return false;
+	}
+	MsgOut msg_reply;
+	return (ProcNode().*mfunc)(input0, input1, msg_reply, timeout_ms) &&
 	       PackOutput(msg_reply, reply, reply_len);
 }
 
@@ -102,7 +123,11 @@
 
 int BHRegister(const void *proc_info, const int proc_info_len, void **reply, int *reply_len, const int timeout_ms)
 {
-	return BHApiIn1Out1<ProcInfo>(&TopicNode::Register, proc_info, proc_info_len, reply, reply_len, timeout_ms);
+	return BHApi_In1_Out1<ProcInfo>(&TopicNode::Register, proc_info, proc_info_len, reply, reply_len, timeout_ms);
+}
+int BHUnregister(const void *proc_info, const int proc_info_len, void **reply, int *reply_len, const int timeout_ms)
+{
+	return BHApi_In1_Out1<ProcInfo>(&TopicNode::Unregister, proc_info, proc_info_len, reply, reply_len, timeout_ms);
 }
 
 int BHHeartbeatEasy(const int timeout_ms)
@@ -112,17 +137,27 @@
 
 int BHHeartbeat(const void *proc_info, const int proc_info_len, void **reply, int *reply_len, const int timeout_ms)
 {
-	return BHApiIn1Out1<ProcInfo>(&TopicNode::Heartbeat, proc_info, proc_info_len, reply, reply_len, timeout_ms);
+	return BHApi_In1_Out1<ProcInfo>(&TopicNode::Heartbeat, proc_info, proc_info_len, reply, reply_len, timeout_ms);
 }
 
 int BHRegisterTopics(const void *topics, const int topics_len, void **reply, int *reply_len, const int timeout_ms)
 {
-	return BHApiIn1Out1<MsgTopicList>(&TopicNode::ServerRegisterRPC, topics, topics_len, reply, reply_len, timeout_ms);
+	return BHApi_In1_Out1<MsgTopicList>(&TopicNode::ServerRegisterRPC, topics, topics_len, reply, reply_len, timeout_ms);
+}
+
+int BHQueryTopicAddress(const void *remote, const int remote_len,
+                        const void *topic, const int topic_len,
+                        void **reply, int *reply_len,
+                        const int timeout_ms)
+{
+	return BHApi_In2_Out1<BHAddress, MsgQueryTopic, MsgQueryTopicReply>(
+	    &TopicNode::QueryTopicAddress,
+	    remote, remote_len, topic, topic_len, reply, reply_len, timeout_ms);
 }
 
 int BHSubscribeTopics(const void *topics, const int topics_len, void **reply, int *reply_len, const int timeout_ms)
 {
-	return BHApiIn1Out1<MsgTopicList>(&TopicNode::Subscribe, topics, topics_len, reply, reply_len, timeout_ms);
+	return BHApi_In1_Out1<MsgTopicList>(&TopicNode::Subscribe, topics, topics_len, reply, reply_len, timeout_ms);
 }
 
 int BHPublish(const void *msgpub,
@@ -289,6 +324,12 @@
 	free(data);
 }
 
+int BHCleanup()
+{
+	ProcNodePtr().reset();
+	return 0;
+}
+
 int BHGetLastError(void **msg, int *msg_len)
 {
 	int ec = 0;

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