From 708ff9e8af731e2799767ed8bfca7df3b74fc26a Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 16 四月 2021 19:20:21 +0800
Subject: [PATCH] sendq use less shm, copy data.
---
src/msg.h | 33 ++++++++++++++++++++++++++++++++-
1 files changed, 32 insertions(+), 1 deletions(-)
diff --git a/src/msg.h b/src/msg.h
index 10ad0d2..c239956 100644
--- a/src/msg.h
+++ b/src/msg.h
@@ -82,6 +82,15 @@
uint32_t(body.ByteSizeLong()), [&](void *p, int len) { body.SerializeToArray(p, len); });
}
+ void *Pack(SharedMemory &shm, const std::string &content)
+ {
+ void *addr = shm.Alloc(content.size());
+ if (addr) {
+ memcpy(addr, content.data(), content.size());
+ }
+ return addr;
+ }
+
bool MakeRC(SharedMemory &shm, void *addr);
bool Make(SharedMemory &shm, void *addr);
@@ -111,7 +120,6 @@
}
bool EnableRefCount(SharedMemory &shm);
-
template <class Body>
inline bool Make(SharedMemory &shm, const BHMsgHead &head, const Body &body)
{
@@ -119,6 +127,29 @@
auto NeedRefCount = [&]() { return head.type() == kMsgTypePublish; };
return NeedRefCount() ? MakeRC(shm, p) : Make(shm, p);
}
+ template <class Body>
+ static inline std::string Serialize(const BHMsgHead &head, const Body &body)
+ {
+ uint32_t head_len = head.ByteSizeLong();
+ uint32_t body_len = body.ByteSizeLong();
+ std::string s(4 + head_len + 4 + body_len, '\0');
+ size_t pos = 0;
+ auto add1 = [&](auto &&msg, auto &&size) {
+ Put32(&s[pos], size);
+ pos += 4;
+ msg.SerializeToArray(&s[pos], size);
+ pos += size;
+ };
+ add1(head, head_len);
+ add1(body, body_len);
+ assert(pos == s.size());
+ return s;
+ }
+ inline bool Make(SharedMemory &shm, const std::string &content)
+ {
+ void *p = Pack(shm, content);
+ return Make(shm, p);
+ }
bool ParseHead(BHMsgHead &head) const;
template <class Body>
--
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