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/msg.cpp | 145 +++++++-----------------------------------------
1 files changed, 21 insertions(+), 124 deletions(-)
diff --git a/src/msg.cpp b/src/msg.cpp
index 8752066..c353d84 100644
--- a/src/msg.cpp
+++ b/src/msg.cpp
@@ -25,140 +25,38 @@
center accept request and route.;
//*/
const uint32_t kMsgTag = 0xf1e2d3c4;
-const uint32_t kMsgPrefixLen = 4;
-inline void AddRoute(BHMsg &msg, const MQId &id) { msg.add_route()->set_mq_id(&id, sizeof(id)); }
-
-std::string RandId()
+void *MsgI::Pack(SharedMemory &shm,
+ const uint32_t head_len, const ToArray &headToArray,
+ const uint32_t body_len, const ToArray &bodyToArray)
{
- boost::uuids::uuid id = boost::uuids::random_generator()();
- return std::string((char *) &id, sizeof(id));
-}
-BHMsg InitMsg(MsgType type, const std::string &msgid = RandId())
-{
- BHMsg msg;
- msg.set_msg_id(msgid);
- msg.set_type(type);
- time_t tm = 0;
- msg.set_timestamp(time(&tm));
- return msg;
-}
-
-BHMsg MakeRequest(const MQId &src_id, const std::string &topic, const void *data, const size_t size)
-{
- BHMsg msg(InitMsg(kMsgTypeRequestTopic));
- AddRoute(msg, src_id);
- MsgRequestTopic req;
- req.set_topic(topic);
- req.set_data(data, size);
- msg.set_body(req.SerializeAsString());
- return msg;
-}
-
-BHMsg MakeRegister(const MQId &src_id, ProcInfo info, const std::vector<std::string> &topics)
-{
- BHMsg msg(InitMsg(kMsgTypeRegister));
- AddRoute(msg, src_id);
- MsgRegister reg;
- reg.mutable_proc()->Swap(&info);
- for (auto &t : topics) {
- reg.add_topics(t);
+ void *addr = shm.Alloc(sizeof(head_len) + head_len + sizeof(body_len) + body_len);
+ if (addr) {
+ auto p = static_cast<char *>(addr);
+ auto Pack1 = [&p](auto len, auto &writer) {
+ Put32(p, len);
+ p += sizeof(len);
+ writer(p, len);
+ p += len;
+ };
+ Pack1(head_len, headToArray);
+ Pack1(body_len, bodyToArray);
}
- msg.set_body(reg.SerializeAsString());
- return msg;
+ return addr;
}
-BHMsg MakeHeartbeat(const MQId &src_id, ProcInfo info)
+bool MsgI::ParseHead(BHMsgHead &head) const
{
- BHMsg msg(InitMsg(kMsgTypeHeartbeat));
- AddRoute(msg, src_id);
- MsgHeartbeat reg;
- reg.mutable_proc()->Swap(&info);
- msg.set_body(reg.SerializeAsString());
- return msg;
-}
-
-BHMsg MakeReply(const std::string &src_msgid, const void *data, const size_t size)
-{
- assert(data && size);
- BHMsg msg(InitMsg(kMsgTypeRequestTopicReply, src_msgid));
- MsgRequestTopicReply reply;
- reply.set_data(data, size);
- msg.set_body(reply.SerializeAsString());
- return msg;
-}
-
-BHMsg MakeSubUnsub(const MQId &client, const std::vector<std::string> &topics, const MsgType sub_unsub)
-{
- assert(sub_unsub == kMsgTypeSubscribe || sub_unsub == kMsgTypeUnsubscribe);
- BHMsg msg(InitMsg(sub_unsub));
- AddRoute(msg, client);
- MsgSub subs;
- for (auto &t : topics) {
- subs.add_topics(t);
- }
- msg.set_body(subs.SerializeAsString());
- return msg;
-}
-
-BHMsg MakeSub(const MQId &client, const std::vector<std::string> &topics) { return MakeSubUnsub(client, topics, kMsgTypeSubscribe); }
-BHMsg MakeUnsub(const MQId &client, const std::vector<std::string> &topics) { return MakeSubUnsub(client, topics, kMsgTypeUnsubscribe); }
-
-BHMsg MakePub(const std::string &topic, const void *data, const size_t size)
-{
- assert(data && size);
- BHMsg msg(InitMsg(kMsgTypePublish));
- MsgPub pub;
- pub.set_topic(topic);
- pub.set_data(data, size);
- msg.set_body(pub.SerializeAsString());
- return msg;
-}
-
-BHMsg MakeQueryTopic(const MQId &client, const std::string &topic)
-{
- BHMsg msg(InitMsg(kMsgTypeQueryTopic));
- AddRoute(msg, client);
- MsgQueryTopic query;
- query.set_topic(topic);
- msg.set_body(query.SerializeAsString());
- return msg;
-}
-BHMsg MakeQueryTopicReply(const std::string &mqid, const std::string &msgid)
-{
- BHMsg msg(InitMsg(kMsgTypeQueryTopicReply, msgid));
- MsgQueryTopicReply reply;
- reply.mutable_address()->set_mq_id(mqid);
- msg.set_body(reply.SerializeAsString());
- return msg;
-}
-
-void *Pack(SharedMemory &shm, const BHMsg &msg)
-{
- uint32_t msg_size = msg.ByteSizeLong();
- void *p = shm.Alloc(4 + msg_size);
- if (p) {
- Put32(p, msg_size);
- if (!msg.SerializeToArray(static_cast<char *>(p) + kMsgPrefixLen, msg_size)) {
- shm.Dealloc(p);
- p = 0;
- }
- }
- return p;
-}
-
-bool MsgI::Unpack(BHMsg &msg) const
-{
- void *p = ptr_.get();
+ auto p = static_cast<char *>(ptr_.get());
assert(p);
uint32_t msg_size = Get32(p);
- return msg.ParseFromArray(static_cast<char *>(p) + kMsgPrefixLen, msg_size);
+ p += 4;
+ return head.ParseFromArray(p, msg_size);
}
// with ref count;
-bool MsgI::MakeRC(SharedMemory &shm, const BHMsg &msg)
+bool MsgI::MakeRC(SharedMemory &shm, void *p)
{
- void *p = Pack(shm, msg);
if (!p) {
return false;
}
@@ -171,9 +69,8 @@
return true;
}
-bool MsgI::Make(SharedMemory &shm, const BHMsg &msg)
+bool MsgI::Make(SharedMemory &shm, void *p)
{
- void *p = Pack(shm, msg);
if (!p) {
return false;
}
--
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