From cab831748a2a9cc18b7f18f3b5e14a4374b7ab68 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期一, 17 五月 2021 18:34:26 +0800
Subject: [PATCH] socket send using abs addr, avoid shm find by id.

---
 src/msg.cpp |   32 ++++++++++++++++++++++++++++++++
 1 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/src/msg.cpp b/src/msg.cpp
index f180d67..edffff1 100644
--- a/src/msg.cpp
+++ b/src/msg.cpp
@@ -17,8 +17,40 @@
  */
 #include "msg.h"
 #include "bh_util.h"
+#include "defs.h"
+#include "socket.h"
 
 namespace bhome_msg
 {
 
+ShmSocket &ShmMsg::Sender()
+{
+	static auto &mq = GetCenterInfo(shm())->mq_sender_;
+	static ShmSocket sender(mq.offset_, shm(), mq.id_);
+	return sender;
+}
+
+int ShmMsg::Release()
+{
+	if (!valid()) {
+		return 0;
+	}
+	auto n = meta()->count_.Dec();
+	if (n == 0) {
+		int64_t free_cmd = (id() << 4) | EncodeCmd(eCmdFree);
+		Sender().Send(BHTopicCenterAddress(), free_cmd);
+	} else if (n < 0) {
+		LOG_FATAL() << "error double release data.";
+		throw std::runtime_error("double release msg.");
+	}
+	return n;
+}
+
+void ShmMsg::Free()
+{
+	assert(valid());
+	shm().Dealloc(meta());
+	offset_ = 0;
+	assert(!valid());
+}
 } // namespace bhome_msg

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