From 34cd75f77d0ca94dbdba4e6cc9451fe4d33e78b3 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期三, 19 五月 2021 19:14:13 +0800
Subject: [PATCH] add api BHQueryProcs.

---
 src/socket.h |  120 +++++++++++++++++++++++++++++++++++-------------------------
 1 files changed, 70 insertions(+), 50 deletions(-)

diff --git a/src/socket.h b/src/socket.h
index dbb161c..7557034 100644
--- a/src/socket.h
+++ b/src/socket.h
@@ -22,7 +22,7 @@
 #include "bh_util.h"
 #include "defs.h"
 #include "sendq.h"
-#include "shm_queue.h"
+#include "shm_msg_queue.h"
 #include <atomic>
 #include <boost/noncopyable.hpp>
 #include <condition_variable>
@@ -33,71 +33,75 @@
 #include <vector>
 
 using namespace bhome_msg;
-
 class ShmSocket : private boost::noncopyable
 {
-	bool SendImpl(const void *valid_remote, MsgI const &imsg, SendQ::OnMsgEvent onExpire = SendQ::OnMsgEvent())
-	{
-		// if (!mq().TrySend(*(MQId *) valid_remote, imsg)) {
-		send_buffer_.Append(*static_cast<const MQId *>(valid_remote), imsg, onExpire);
-		// }
-		return true;
-	}
 
 protected:
-	typedef bhome_shm::ShmMsgQueue Queue;
+	typedef ShmMsgQueue Queue;
 
 public:
+	typedef ShmMsgQueue::MQId MQId;
 	typedef bhome_shm::SharedMemory Shm;
+	typedef std::function<void(ShmSocket &sock, Queue::RawData &val)> RawRecvCB;
 	typedef std::function<void(ShmSocket &sock, MsgI &imsg, BHMsgHead &head)> RecvCB;
 	typedef std::function<bool(ShmSocket &sock, MsgI &imsg, BHMsgHead &head)> PartialRecvCB;
 	typedef std::function<void(ShmSocket &sock)> IdleCB;
 
-	ShmSocket(Shm &shm, const MQId &id, const int len);
-	ShmSocket(Shm &shm, const int len = 12);
+	ShmSocket(Shm &shm, const MQId id, const int len);
+	ShmSocket(Shm &shm, const bool create_or_else_find, const MQId id, const int len);
+	ShmSocket(int64_t offset, Shm &shm, const MQId id);
 	~ShmSocket();
-	static bool Remove(SharedMemory &shm, const MQId &id) { return Queue::Remove(shm, id); }
+	static bool Remove(SharedMemory &shm, const MQId id) { return Queue::Remove(shm, id); }
 	bool Remove() { return Remove(shm(), id()); }
-	const MQId &id() const { return mq().Id(); }
+	MQId id() const { return mq().Id(); }
+	int64_t AbsAddr() const { return mq().AbsAddr(); }
+	void SetNodeProc(const int proc_index, const int socket_index)
+	{
+		node_proc_index_ = proc_index;
+		socket_index_ = socket_index;
+	}
 	// start recv.
-	bool Start(int nworker = 1, const RecvCB &onData = RecvCB(), const IdleCB &onIdle = IdleCB());
-	bool Start(const RecvCB &onData, const IdleCB &onIdle, int nworker = 1) { return Start(nworker, onData, onIdle); }
+	bool Start(int nworker = 1, const RecvCB &onMsg = RecvCB(), const RawRecvCB &onRaw = RawRecvCB(), const IdleCB &onIdle = IdleCB());
+	bool Start(const RecvCB &onData, const IdleCB &onIdle, int nworker = 1) { return Start(nworker, onData, RawRecvCB(), onIdle); }
 	bool Start(const RecvCB &onData, int nworker = 1) { return Start(nworker, onData); }
 	bool Stop();
-	size_t Pending() const { return mq().Pending(); }
 
 	template <class Body>
-	bool Send(const void *valid_remote, const BHMsgHead &head, const Body &body, const RecvCB &cb = RecvCB())
+	bool CenterSend(const MQInfo &remote, BHMsgHead &head, Body &body)
 	{
-		MsgI msg;
-		if (msg.Make(shm(), head, body)) {
-			DEFER1(if (msg.IsCounted()) { msg.Release(shm()); });
-			std::string msg_id(head.msg_id());
-			if (!cb) {
-				return SendImpl(valid_remote, msg);
-			} else {
-				per_msg_cbs_->Add(msg_id, cb);
-				auto onExpireRemoveCB = [this, msg_id](MsgI const &msg) {
-					RecvCB cb_no_use;
-					per_msg_cbs_->Find(msg_id, cb_no_use);
-				};
-				return SendImpl(valid_remote, msg, onExpireRemoveCB);
-			}
-		} else {
-			SetLastError(ENOMEM, "Out of mem");
+		try {
+			//TODO alloc outsiez and use send.
+			MsgI msg;
+			if (!msg.Make(head, body)) { return false; }
+			DEFER1(msg.Release());
+
+			return Send(remote, msg);
+		} catch (...) {
+			SetLastError(eError, "Send internal error.");
+			return false;
 		}
-		return false;
 	}
 
-	bool Send(const void *valid_remote, const MsgI &imsg)
-	{
-		return SendImpl(valid_remote, imsg);
-	}
-
-	bool SyncRecv(MsgI &msg, bhome::msg::BHMsgHead &head, const int timeout_ms);
+	bool RequestAlloc(const int64_t size, std::function<void(MsgI &msg)> const &onResult);
 
 	template <class Body>
-	bool SendAndRecv(const void *remote, const BHMsgHead &head, const Body &body, MsgI &reply, BHMsgHead &reply_head, const int timeout_ms)
+	bool Send(const MQInfo &remote, BHMsgHead &head, Body &body, RecvCB &&cb = RecvCB())
+	{
+		return Send(remote, MsgI::Serialize(head, body), head.msg_id(), std::move(cb));
+	}
+	template <class... T>
+	bool Send(const MQInfo &remote, const MsgI &imsg, T &&...t)
+	{
+		return SendImpl(remote, imsg, std::forward<decltype(t)>(t)...);
+	}
+	template <class... T>
+	bool Send(const MQInfo &remote, const int64_t cmd, T &&...t)
+	{
+		return SendImpl(remote, cmd, std::forward<decltype(t)>(t)...);
+	}
+
+	template <class Body>
+	bool SendAndRecv(const MQInfo &remote, BHMsgHead &head, Body &body, MsgI &reply, BHMsgHead &reply_head, const int timeout_ms)
 	{
 		struct State {
 			std::mutex mutex;
@@ -107,6 +111,7 @@
 
 		try {
 			std::shared_ptr<State> st(new State);
+
 			auto endtime = std::chrono::steady_clock::now() + std::chrono::milliseconds(timeout_ms);
 
 			auto OnRecv = [st, &reply, &reply_head](ShmSocket &sock, MsgI &msg, BHMsgHead &head) {
@@ -120,14 +125,15 @@
 			};
 
 			std::unique_lock<std::mutex> lk(st->mutex);
-			bool sendok = Send(remote, head, body, OnRecv);
+			bool sendok = Send(remote, head, body, std::move(OnRecv));
 			if (!sendok) {
-				printf("send timeout\n");
+				LOG_DEBUG() << "send timeout";
 			}
 			if (sendok && st->cv.wait_until(lk, endtime) == std::cv_status::no_timeout) {
 				return true;
 			} else {
 				st->canceled = true;
+				SetLastError(ETIMEDOUT, "timeout");
 				return false;
 			}
 		} catch (...) {
@@ -146,19 +152,28 @@
 	bool StopNoLock();
 	bool RunningNoLock() { return !workers_.empty(); }
 
+	bool Send(const MQInfo &remote, std::string &&content, const std::string &msg_id, RecvCB &&cb = RecvCB());
+
+	template <class... Rest>
+	bool SendImpl(const MQInfo &remote, Rest &&...rest)
+	{
+		return send_buffer_.Append(remote, std::forward<decltype(rest)>(rest)...);
+	}
+
 	std::vector<std::thread> workers_;
 	std::mutex mutex_;
 	std::atomic<bool> run_;
 
 	Queue mq_;
-	class AsyncCBs
+	template <class Key, class CB>
+	class CallbackRecords
 	{
-		std::unordered_map<std::string, RecvCB> store_;
+		std::unordered_map<Key, CB> store_;
 
 	public:
 		bool empty() const { return store_.empty(); }
-		bool Add(const std::string &id, const RecvCB &cb) { return store_.emplace(id, cb).second; }
-		bool Find(const std::string &id, RecvCB &cb)
+		bool Store(const Key &id, CB &&cb) { return store_.emplace(id, std::move(cb)).second; }
+		bool Pick(const Key &id, CB &cb)
 		{
 			auto pos = store_.find(id);
 			if (pos != store_.end()) {
@@ -171,9 +186,14 @@
 		}
 	};
 
-	Synced<AsyncCBs> per_msg_cbs_;
+	Synced<CallbackRecords<std::string, RecvCB>> per_msg_cbs_;
+	Synced<CallbackRecords<int, RawRecvCB>> alloc_cbs_;
 	SendQ send_buffer_;
-	// Synced<SendQ> send_buffer_;
+
+	// node request center alloc memory.
+	int node_proc_index_ = -1;
+	int socket_index_ = -1;
+	std::atomic<int> alloc_id_;
 };
 
 #endif // end of include guard: SOCKET_GWTJHBPO

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