From c338820e4db43ad32c20ff429a038b06bcb980f8 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期四, 08 四月 2021 18:13:25 +0800
Subject: [PATCH] BIG change, join center,bus; now msg is head+body.
---
src/socket.h | 97 ++++++++++++++++++++++++++++++++++++++----------
1 files changed, 77 insertions(+), 20 deletions(-)
diff --git a/src/socket.h b/src/socket.h
index 57d0ae4..7c4f83f 100644
--- a/src/socket.h
+++ b/src/socket.h
@@ -19,14 +19,18 @@
#ifndef SOCKET_GWTJHBPO
#define SOCKET_GWTJHBPO
+#include "defs.h"
#include "shm_queue.h"
#include <atomic>
#include <boost/noncopyable.hpp>
+#include <condition_variable>
#include <functional>
#include <memory>
#include <mutex>
#include <thread>
#include <vector>
+
+using namespace bhome_msg;
class ShmSocket : private boost::noncopyable
{
@@ -35,36 +39,88 @@
public:
typedef bhome_shm::SharedMemory Shm;
- typedef std::function<void(ShmSocket &sock, bhome_msg::MsgI &imsg, bhome_msg::BHMsg &msg)> RecvCB;
- typedef std::function<void(bhome_msg::BHMsg &msg)> RecvBHMsgCB;
+ 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 void *id, const int len);
+ ShmSocket(Shm &shm, const MQId &id, const int len);
ShmSocket(Shm &shm, const int len = 12);
~ShmSocket();
-
+ const MQId &id() const { return mq().Id(); }
Shm &shm() { return shm_; }
// start recv.
- bool Start(const RecvCB &onData, const IdleCB &onIdle, int nworker = 1);
- bool Start(const RecvCB &onData, int nworker = 1) { return Start(onData, IdleCB(), nworker); }
- bool Start(const RecvBHMsgCB &onData, const IdleCB &onIdle, int nworker = 1)
- {
- return Start([onData](ShmSocket &sock, bhome_msg::MsgI &imsg, bhome_msg::BHMsg &msg) { onData(msg); }, onIdle, nworker);
- }
- bool Start(const RecvBHMsgCB &onData, int nworker = 1)
- {
- return Start(onData, IdleCB(), nworker);
- }
+ 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(const RecvCB &onData, int nworker = 1) { return Start(nworker, onData); }
bool Stop();
- size_t Pending() const { return mq_ ? mq_->Pending() : 0; }
+ size_t Pending() const { return mq().Pending(); }
- bool SyncSend(const void *id, const bhome_msg::BHMsg &msg, const int timeout_ms);
- bool SyncRecv(bhome_msg::BHMsg &msg, const int timeout_ms);
+ bool Send(const void *id, const MsgI &imsg, const int timeout_ms)
+ {
+ return mq().Send(*static_cast<const MQId *>(id), imsg, timeout_ms);
+ }
+ //TODO reimplment, using async.
+ bool SyncRecv(MsgI &msg, bhome::msg::BHMsgHead &head, const int timeout_ms);
+
+ template <class Body>
+ bool Send(const void *valid_remote, const BHMsgHead &head, const Body &body, const int timeout_ms, const RecvCB &cb = RecvCB())
+ {
+ assert(valid_remote);
+ try {
+ if (cb) {
+ auto RegisterCB = [&]() {
+ std::lock_guard<std::mutex> lock(mutex());
+ async_cbs_.emplace(head.msg_id(), cb);
+ };
+ return mq().Send(*static_cast<const MQId *>(valid_remote), head, body, timeout_ms, RegisterCB);
+ } else {
+ return mq().Send(*static_cast<const MQId *>(valid_remote), head, body, timeout_ms);
+ }
+ } catch (...) {
+ return false;
+ }
+ }
+
+ template <class Body>
+ bool SendAndRecv(const void *remote, const BHMsgHead &head, const Body &body, MsgI &reply, BHMsgHead &reply_head, const int timeout_ms)
+ {
+ struct State {
+ std::mutex mutex;
+ std::condition_variable cv;
+ bool canceled = false;
+ };
+
+ 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) {
+ std::unique_lock<std::mutex> lk(st->mutex);
+ if (!st->canceled) {
+ reply.swap(msg);
+ reply_head.Swap(&head);
+ st->cv.notify_one();
+ } else {
+ }
+ };
+
+ std::unique_lock<std::mutex> lk(st->mutex);
+ bool sendok = Send(remote, head, body, timeout_ms, OnRecv);
+ if (sendok && st->cv.wait_until(lk, endtime) == std::cv_status::no_timeout) {
+ return true;
+ } else {
+ st->canceled = true;
+ return false;
+ }
+ } catch (...) {
+ return false;
+ }
+ }
protected:
const Shm &shm() const { return shm_; }
- Queue &mq() { return *mq_; } // programmer should make sure that mq_ is valid.
- const Queue &mq() const { return *mq_; }
+ Queue &mq() { return mq_; } // programmer should make sure that mq_ is valid.
+ const Queue &mq() const { return mq_; }
std::mutex &mutex() { return mutex_; }
private:
@@ -76,7 +132,8 @@
std::mutex mutex_;
std::atomic<bool> run_;
- std::unique_ptr<Queue> mq_;
+ Queue mq_;
+ std::unordered_map<std::string, RecvCB> async_cbs_;
};
#endif // end of include guard: SOCKET_GWTJHBPO
--
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