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/pubsub.cpp | 74 +++++++++++++++++++++++++++++++++++-
1 files changed, 71 insertions(+), 3 deletions(-)
diff --git a/src/pubsub.cpp b/src/pubsub.cpp
index b592113..471c63c 100644
--- a/src/pubsub.cpp
+++ b/src/pubsub.cpp
@@ -16,9 +16,77 @@
* =====================================================================================
*/
#include "pubsub.h"
+#include "bh_util.h"
+#include "defs.h"
-namespace bhome_shm {
+using namespace std::chrono_literals;
+using namespace bhome_msg;
-
-} // namespace bhome_shm
+bool SocketPublish::Publish(const std::string &proc_id, const Topic &topic, const void *data, const size_t size, const int timeout_ms)
+{
+ try {
+ MsgPublish pub;
+ pub.set_topic(topic);
+ pub.set_data(data, size);
+ BHMsgHead head(InitMsgHead(GetType(pub), proc_id));
+ MsgI imsg;
+ if (imsg.MakeRC(shm(), head, pub)) {
+ DEFER1(imsg.Release(shm()));
+ return ShmMsgQueue::Send(shm(), BHTopicBusAddress(), imsg, timeout_ms);
+ }
+ } catch (...) {
+ }
+ return false;
+}
+namespace
+{
+inline void AddRoute(BHMsgHead &head, const MQId &id) { head.add_route()->set_mq_id(&id, sizeof(id)); }
+} // namespace
+bool SocketSubscribe::Subscribe(const std::string &proc_id, const std::vector<Topic> &topics, const int timeout_ms)
+{
+ try {
+ MsgSubscribe sub;
+ for (auto &topic : topics) {
+ sub.add_topics(topic);
+ }
+ BHMsgHead head(InitMsgHead(GetType(sub), proc_id));
+ AddRoute(head, mq().Id());
+
+ return Send(&BHTopicBusAddress(), head, sub, timeout_ms);
+ } catch (...) {
+ return false;
+ }
+}
+
+bool SocketSubscribe::StartRecv(const TopicDataCB &tdcb, int nworker)
+{
+ auto AsyncRecvProc = [this, tdcb](ShmSocket &, MsgI &imsg, BHMsgHead &head) {
+ if (head.type() == kMsgTypePublish) {
+ MsgPublish pub;
+ if (imsg.ParseBody(pub)) {
+ tdcb(head.proc_id(), pub.topic(), pub.data());
+ }
+ } else {
+ // ignored, or dropped
+ }
+ };
+
+ return tdcb && Start(AsyncRecvProc, nworker);
+}
+
+bool SocketSubscribe::RecvSub(std::string &proc_id, Topic &topic, std::string &data, const int timeout_ms)
+{
+ MsgI msg;
+ BHMsgHead head;
+ if (SyncRecv(msg, head, timeout_ms) && head.type() == kMsgTypePublish) {
+ MsgPublish pub;
+ if (msg.ParseBody(pub)) {
+ head.mutable_proc_id()->swap(proc_id);
+ pub.mutable_topic()->swap(topic);
+ pub.mutable_data()->swap(data);
+ return true;
+ }
+ }
+ return false;
+}
\ No newline at end of file
--
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