From 58d904a328c0d849769b483e901a0be9426b8209 Mon Sep 17 00:00:00 2001
From: liuxiaolong <liuxiaolong@aiotlink.com>
Date: 星期二, 20 七月 2021 20:20:44 +0800
Subject: [PATCH] 调整Request C.BHFree的位置
---
src/shm_msg_queue.cpp | 65 ++++++++------------------------
1 files changed, 17 insertions(+), 48 deletions(-)
diff --git a/src/shm_msg_queue.cpp b/src/shm_msg_queue.cpp
index ae019bf..e6aceb9 100644
--- a/src/shm_msg_queue.cpp
+++ b/src/shm_msg_queue.cpp
@@ -29,41 +29,15 @@
return std::string(buf, n + 4);
}
-const int AdjustMQLength(const int len)
-{
- const int kMaxLength = 10000;
- const int kDefaultLen = 12;
- if (len <= 0) {
- return kDefaultLen;
- } else if (len < kMaxLength) {
- return len;
- } else {
- return kMaxLength;
- }
-}
-
} // namespace
-ShmMsgQueue::MQId ShmMsgQueue::NewId()
-{
- static auto &id = GetData();
- return ++id;
-}
-// ShmMsgQueue memory usage: (320 + 16*length) bytes, length >= 2
-ShmMsgQueue::ShmMsgQueue(const MQId id, ShmType &segment, const int len) :
+ShmMsgQueue::ShmMsgQueue(ShmType &segment, const MQId id, Mode mode) :
id_(id),
- queue_(segment, MsgQIdToName(id_), AdjustMQLength(len), segment.get_segment_manager())
+ queue_(segment, MsgQIdToName(id_), mode)
{
}
-
-ShmMsgQueue::ShmMsgQueue(ShmType &segment, const int len) :
- id_(NewId()),
- queue_(segment, true, MsgQIdToName(id_), AdjustMQLength(len), segment.get_segment_manager())
-{
- if (!queue_.IsOk()) {
- throw("error create msgq " + std::to_string(id_));
- }
-}
+ShmMsgQueue::ShmMsgQueue(const int64_t abs_addr, ShmType &segment, const MQId id) :
+ id_(id), queue_(abs_addr, segment, MsgQIdToName(id_)) {}
ShmMsgQueue::~ShmMsgQueue() {}
@@ -71,9 +45,13 @@
{
Queue *q = Find(shm, id);
if (q) {
- MsgI msg;
- while (q->TryRead(msg)) {
- msg.Release();
+ RawData val = 0;
+ while (q->TryRead(val)) {
+ if (IsCmd(val)) {
+ LOG_DEBUG() << "clsing queue " << id << ", has a cmd" << DecodeCmd(val);
+ } else {
+ MsgI(val, shm).Release();
+ }
}
}
return Shmq::Remove(shm, MsgQIdToName(id));
@@ -84,22 +62,13 @@
return Shmq::Find(shm, MsgQIdToName(remote_id));
}
-bool ShmMsgQueue::TrySend(SharedMemory &shm, const MQId remote_id, const MsgI &msg, OnSend const &onsend)
+bool ShmMsgQueue::TrySend(SharedMemory &shm, const MQInfo &remote, const RawData val)
{
- Queue *remote = Find(shm, remote_id);
- if (remote) {
- if (onsend) {
- return remote->TryWrite(msg, [&onsend](const MsgI &msg) { onsend(); msg.AddRef(); });
- } else {
- return remote->TryWrite(msg, [](const MsgI &msg) { msg.AddRef(); });
- }
- } else {
- // SetLestError(eNotFound);
+ try {
+ ShmMsgQueue dest(remote.offset_, shm, remote.id_);
+ return dest.queue().TryWrite(val);
+ } catch (...) {
+ // SetLastError(eNotFound, "remote not found");
return false;
}
}
-
-// Test shows that in the 2 cases:
-// 1) build msg first, then find remote queue;
-// 2) find remote queue first, then build msg;
-// 1 is about 50% faster than 2, maybe cache related.
--
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