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
---
box/node_center.cpp | 385 +++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 303 insertions(+), 82 deletions(-)
diff --git a/box/node_center.cpp b/box/node_center.cpp
index cbaef0e..76407a8 100644
--- a/box/node_center.cpp
+++ b/box/node_center.cpp
@@ -31,6 +31,9 @@
const std::string kTopicNode = Join(kTopicCenterRoot, "node");
const std::string kTopicNodeOnline = Join(kTopicNode, "online");
const std::string kTopicNodeOffline = Join(kTopicNode, "offline");
+const std::string kTopicNodeService = Join(kTopicNode, "service");
+const std::string kTopicNodeSub = Join(kTopicNode, "subscribe");
+const std::string kTopicNodeUnsub = Join(kTopicNode, "unsubscribe");
} // namespace
ProcIndex ProcRecords::Put(const ProcId &proc_id, const MQId ssn)
@@ -70,8 +73,9 @@
return;
}
// LOG_FUNCTION;
+ const size_t total = msgs_.size();
time_to_clean_ = now + 1;
- int64_t limit = std::max(10000ul, msgs_.size() / 10);
+ int64_t limit = std::max(10000ul, total / 10);
int64_t n = 0;
auto it = msgs_.begin();
while (it != msgs_.end() && --limit > 0) {
@@ -82,16 +86,16 @@
++n;
};
int n = now - msg.timestamp();
- if (n < 10) {
+ if (msg.Count() == 0) {
+ Free();
+ } else if (n > NodeTimeoutSec()) {
+ Free();
+ } else {
++it;
- } else if (msg.Count() == 0) {
- Free();
- } else if (n > 60) {
- Free();
}
}
if (n > 0) {
- LOG_DEBUG() << "~~~~~~~~~~~~~~~~ auto release msgs: " << n;
+ LOG_DEBUG() << "~~~~~~~~~~~~~~~~ auto release msgs: " << n << '/' << total;
}
}
@@ -113,33 +117,31 @@
{
state_.timestamp_ = NowSec() - offline_time;
state_.flag_ = kStateOffline;
-
- Json json;
- json.put("proc_id", proc_.proc_id());
- center_.Publish(shm_, kTopicNodeOffline, json.dump());
+ center_.Notify(kTopicNodeOffline, *this);
}
+void NodeCenter::Notify(const Topic &topic, NodeInfo &node)
+{
+ if (node.proc_.proc_id().empty()) { return; } // node init, ignore.
+ Json json;
+ json.put("proc_id", node.proc_.proc_id());
+ Publish(node.shm_, topic, json.dump());
+}
void NodeCenter::NodeInfo::UpdateState(const int64_t now, const int64_t offline_time, const int64_t kill_time)
{
auto old = state_.flag_;
auto diff = now - state_.timestamp_;
- auto publish = [this](const std::string &topic) {
- if (proc_.proc_id().empty()) { return; } // node init, ignore.
- Json json;
- json.put("proc_id", proc_.proc_id());
- center_.Publish(shm_, topic, json.dump());
- };
LOG_TRACE() << "node " << proc_.proc_id() << " timeout count: " << diff;
if (diff < offline_time) {
state_.flag_ = kStateNormal;
if (old != state_.flag_) {
- publish(kTopicNodeOnline);
+ center_.Notify(kTopicNodeOnline, *this);
}
} else if (diff < kill_time) {
state_.flag_ = kStateOffline;
if (old != state_.flag_) {
- publish(kTopicNodeOffline);
+ center_.Notify(kTopicNodeOffline, *this);
}
} else {
state_.flag_ = kStateKillme;
@@ -163,7 +165,7 @@
// create sockets.
try {
- ShmSocket tmp(shm, true, ssn, 16);
+ ShmSocket tmp(shm, ssn, eCreate);
node->addrs_.emplace(ssn, tmp.AbsAddr());
return true;
} catch (...) {
@@ -208,6 +210,121 @@
{
RecordMsg(msg);
return socket.Send(dest, msg);
+}
+
+NodeCenter::Node NodeCenter::GetNode(const MQId mq_id)
+{
+ Node node;
+ auto ssn = mq_id - (mq_id % 10);
+ auto pos = nodes_.find(ssn);
+ if (pos != nodes_.end()) {
+ node = pos->second;
+ }
+ return node;
+}
+
+bool NodeCenter::PassRemoteRequestToLocal(MQInfo dest, BHMsgHead &head, const std::string &body_content, ShmSocket::RecvCB &&cb)
+{
+ Node node;
+
+ auto FindDest = [&]() {
+ auto pos = service_map_.find(head.topic());
+ if (pos != service_map_.end() && !pos->second.empty()) {
+ auto &clients = pos->second;
+ for (auto &cli : clients) {
+ node = cli.weak_node_.lock();
+ if (node && Valid(*node)) {
+ dest.id_ = cli.mq_id_;
+ dest.offset_ = cli.mq_abs_addr_;
+ return true;
+ }
+ }
+ }
+ return false;
+ };
+
+ if (dest.id_ == 0) {
+ if (!FindDest()) {
+ LOG_ERROR() << id() << " pass remote request, topic dest not found.";
+ return false;
+ }
+ } else {
+ node = GetNode(dest.id_);
+ if (!node || !Valid(*node)) {
+ LOG_ERROR() << id() << " pass remote request, dest not found.";
+ return false;
+ }
+ }
+
+ ShmSocket &sender(DefaultSender(node->shm_));
+ auto route = head.add_route();
+ route->set_mq_id(sender.id());
+ route->set_abs_addr(sender.AbsAddr());
+
+ ShmMsg msg(node->shm_);
+ if (!msg.Make(head, body_content)) { return false; }
+ DEFER1(msg.Release(););
+ RecordMsg(msg);
+ return sender.Send(dest, msg, head.msg_id(), std::move(cb));
+}
+
+bool NodeCenter::RemotePublish(BHMsgHead &head, const std::string &body_content)
+{
+ // LOG_FUNCTION;
+ auto &topic = head.topic();
+ auto clients = DoFindClients(topic, true);
+ if (clients.empty()) { return true; }
+
+ std::vector<MsgI> msgs;
+ auto ReleaseAll = [&]() {for (auto &msg : msgs) { msg.Release(); } };
+ DEFER1(ReleaseAll(););
+
+ for (auto &cli : clients) {
+ auto Send1 = [&](Node node) {
+ auto &shm = node->shm_;
+ for (auto &msg : msgs) {
+ if (msg.shm().name() == shm.name()) {
+ DefaultSender(shm).Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
+ return;
+ }
+ }
+ MsgI msg(shm);
+ if (msg.Make(head, body_content)) {
+ RecordMsg(msg);
+ msgs.push_back(msg);
+ // LOG_DEBUG() << "remote publish to local." << cli.mq_id_ << ", " << cli.mq_abs_addr_;
+ DefaultSender(shm).Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
+ }
+ };
+ auto node = cli.weak_node_.lock();
+ if (node) {
+ Send1(node);
+ // should also make sure that mq is not killed before msg expires.
+ // it would be ok if (kill_time - offline_time) is longer than expire time.
+ }
+ }
+
+ return true;
+}
+
+bool NodeCenter::PassRemoteReplyToLocal(const MQInfo &dest, BHMsgHead &head, const std::string &body_content)
+{
+ Node node(GetNode(dest.id_));
+ if (!node) {
+ LOG_ERROR() << id() << " pass remote reply , ssn not found.";
+ return false;
+ }
+ auto offset = node->addrs_[dest.id_];
+ if (offset != dest.offset_) {
+ LOG_ERROR() << id() << " pass remote reply, dest address not match";
+ return false;
+ }
+
+ ShmMsg msg(node->shm_);
+ if (!msg.Make(head, body_content)) { return false; }
+ DEFER1(msg.Release(););
+ RecordMsg(msg);
+ return DefaultSender(node->shm_).Send(dest, msg);
}
void NodeCenter::OnAlloc(ShmSocket &socket, const int64_t val)
@@ -281,7 +398,7 @@
auto &node = pos->second;
try {
for (int i = 0; i < msg.extra_mq_num(); ++i) {
- ShmSocket tmp(node->shm_, true, head.ssn_id() + i + 1, 16);
+ ShmSocket tmp(node->shm_, head.ssn_id() + i + 1, eCreate);
node->addrs_.emplace(tmp.id(), tmp.AbsAddr());
auto addr = reply.add_extra_mqs();
addr->set_mq_id(tmp.id());
@@ -362,6 +479,7 @@
for (auto &topic : topics) {
LOG_DEBUG() << "\t" << topic;
}
+ Notify(kTopicNodeService, *node);
return MakeReply(eSuccess);
});
}
@@ -392,11 +510,16 @@
*info->mutable_proc() = node->proc_;
info->mutable_proc()->clear_private_info();
info->set_online(node->state_.flag_ == kStateNormal);
- for (auto &addr_topics : node->services_) {
- for (auto &topic : addr_topics.second) {
- info->mutable_topics()->add_topic_list(topic);
+ auto AddTopics = [](auto &dst, auto &src) {
+ for (auto &addr_topics : src) {
+ for (auto &topic : addr_topics.second) {
+ dst.add_topic_list(topic);
+ }
}
- }
+ };
+ AddTopics(*info->mutable_service(), node->services_);
+ AddTopics(*info->mutable_local_sub(), node->local_sub_);
+ AddTopics(*info->mutable_net_sub(), node->net_sub_);
};
if (!proc_id.empty()) {
@@ -433,57 +556,93 @@
typedef MsgQueryTopicReply Reply;
auto query = [&](Node self) -> Reply {
- auto pos = service_map_.find(req.topic());
- if (pos != service_map_.end() && !pos->second.empty()) {
- auto &clients = pos->second;
- Reply reply = MakeReply<Reply>(eSuccess);
- for (auto &dest : clients) {
- Node dest_node(dest.weak_node_.lock());
- if (dest_node && Valid(*dest_node)) {
- auto node_addr = reply.add_node_address();
- node_addr->set_proc_id(dest_node->proc_.proc_id());
- node_addr->mutable_addr()->set_mq_id(dest.mq_id_);
- node_addr->mutable_addr()->set_abs_addr(dest.mq_abs_addr_);
+ Reply reply = MakeReply<Reply>(eSuccess);
+ auto local = [&]() {
+ auto pos = service_map_.find(req.topic());
+ if (pos != service_map_.end() && !pos->second.empty()) {
+ auto &clients = pos->second;
+ for (auto &dest : clients) {
+ Node dest_node(dest.weak_node_.lock());
+ if (dest_node && Valid(*dest_node)) {
+ auto node_addr = reply.add_node_address();
+ node_addr->set_proc_id(dest_node->proc_.proc_id());
+ node_addr->mutable_addr()->set_mq_id(dest.mq_id_);
+ node_addr->mutable_addr()->set_abs_addr(dest.mq_abs_addr_);
+ }
}
+ return true;
+ } else {
+ return false;
}
- return reply;
- } else {
+ };
+ auto net = [&]() {
+ auto hosts(FindRemoteRPCServers(req.topic()));
+ if (hosts.empty()) {
+ return false;
+ } else {
+ for (auto &ip : hosts) {
+ auto node_addr = reply.add_node_address();
+ node_addr->mutable_addr()->set_ip(ip);
+ }
+ return true;
+ }
+ };
+ local();
+ net();
+ if (reply.node_address_size() == 0) {
return MakeReply<Reply>(eNotFound, "topic server not found.");
+ } else {
+ return reply;
}
};
return HandleMsg<Reply>(head, query);
}
+void NodeCenter::NodeInfo::Subscribe(const BHMsgHead &head, const MsgSubscribe &msg, Node node)
+{
+ auto src = SrcAddr(head);
+ auto Sub = [&](auto &sub, auto &sub_map) {
+ auto &topics = msg.topics().topic_list();
+ sub[src].insert(topics.begin(), topics.end());
+ const TopicDest &dest = {src, SrcAbsAddr(head), node};
+ for (auto &topic : topics) {
+ sub_map[topic].insert(dest);
+ }
+ };
+ if (msg.network()) {
+ Sub(net_sub_, center_.net_sub_map_);
+ center_.Notify(kTopicNodeSub, *this);
+ } else {
+ Sub(local_sub_, center_.local_sub_map_);
+ }
+}
+
MsgCommonReply NodeCenter::Subscribe(const BHMsgHead &head, const MsgSubscribe &msg)
{
return HandleMsg(head, [&](Node node) {
- auto src = SrcAddr(head);
- auto &topics = msg.topics().topic_list();
- node->subscriptions_[src].insert(topics.begin(), topics.end());
- TopicDest dest = {src, SrcAbsAddr(head), node};
- for (auto &topic : topics) {
- subscribe_map_[topic].insert(dest);
- }
+ node->Subscribe(head, msg, node);
return MakeReply(eSuccess);
});
}
-MsgCommonReply NodeCenter::Unsubscribe(const BHMsgHead &head, const MsgUnsubscribe &msg)
-{
- return HandleMsg(head, [&](Node node) {
- auto src = SrcAddr(head);
- auto pos = node->subscriptions_.find(src);
- auto RemoveSubTopicDestRecord = [this](const Topic &topic, const TopicDest &dest) {
- auto pos = subscribe_map_.find(topic);
- if (pos != subscribe_map_.end() &&
+void NodeCenter::NodeInfo::Unsubscribe(const BHMsgHead &head, const MsgUnsubscribe &msg, Node node)
+{
+ auto src = SrcAddr(head);
+
+ auto Unsub = [&](auto &sub, auto &sub_map) {
+ auto pos = sub.find(src);
+
+ auto RemoveSubTopicDestRecord = [&sub_map](const Topic &topic, const TopicDest &dest) {
+ auto pos = sub_map.find(topic);
+ if (pos != sub_map.end() &&
pos->second.erase(dest) != 0 &&
pos->second.empty()) {
- subscribe_map_.erase(pos);
+ sub_map.erase(pos);
}
};
- if (pos != node->subscriptions_.end()) {
+ if (pos != sub.end()) {
const TopicDest &dest = {src, SrcAbsAddr(head), node};
auto &topics = msg.topics().topic_list();
// clear node sub records;
@@ -492,26 +651,55 @@
RemoveSubTopicDestRecord(topic, dest);
}
if (pos->second.empty()) {
- node->subscriptions_.erase(pos);
+ sub.erase(pos);
}
}
+ };
+ if (msg.network()) {
+ Unsub(net_sub_, center_.net_sub_map_);
+ center_.Notify(kTopicNodeUnsub, *this);
+ } else {
+ Unsub(local_sub_, center_.local_sub_map_);
+ }
+}
+
+MsgCommonReply NodeCenter::Unsubscribe(const BHMsgHead &head, const MsgUnsubscribe &msg)
+{
+ return HandleMsg(head, [&](Node node) {
+ node->Unsubscribe(head, msg, node);
return MakeReply(eSuccess);
});
}
-NodeCenter::Clients NodeCenter::DoFindClients(const std::string &topic)
+NodeCenter::Clients NodeCenter::DoFindClients(const std::string &topic, bool from_remote)
{
+ // LOG_FUNCTION;
Clients dests;
auto Find1 = [&](const std::string &exact) {
- auto pos = subscribe_map_.find(exact);
- if (pos != subscribe_map_.end()) {
- auto &clients = pos->second;
- for (auto &cli : clients) {
- if (Valid(cli.weak_node_)) {
- dests.insert(cli);
+ auto FindIn = [&](auto &sub_map) {
+ auto pos = sub_map.find(exact);
+ if (pos != sub_map.end()) {
+ auto &clients = pos->second;
+ for (auto &cli : clients) {
+ auto node = cli.weak_node_.lock();
+ if (node) {
+ if (node->state_.flag_ == kStateNormal)
+ dests.insert(cli);
+ }
+
+ // if (Valid(cli.weak_node_)) {
+ // dests.insert(cli);
+ // }
}
}
+ };
+ if (!from_remote) {
+ FindIn(local_sub_map_);
+ // LOG_DEBUG() << "topic '" << topic << "' local clients: " << dests.size();
}
+ // net subscripitions also work in local mode.
+ FindIn(net_sub_map_);
+ // LOG_DEBUG() << "topic '" << topic << "' + remote clients: " << dests.size();
};
Find1(topic);
@@ -528,15 +716,31 @@
return dests;
}
-bool NodeCenter::FindClients(const BHMsgHead &head, const MsgPublish &msg, Clients &out, MsgCommonReply &reply)
+MsgCommonReply NodeCenter::Publish(const BHMsgHead &head, const Topic &topic, MsgI &msg)
{
- bool ret = false;
- HandleMsg(head, [&](Node node) {
- DoFindClients(msg.topic()).swap(out);
- ret = true;
+ return HandleMsg(head, [&](Node node) {
+ DoPublish(DefaultSender(node->shm_), topic, msg);
return MakeReply(eSuccess);
- }).Swap(&reply);
- return ret;
+ });
+}
+
+void NodeCenter::DoPublish(ShmSocket &sock, const Topic &topic, MsgI &msg)
+{
+ try {
+ auto clients = DoFindClients(topic, false);
+ if (clients.empty()) { return; }
+
+ for (auto &cli : clients) {
+ auto node = cli.weak_node_.lock();
+ if (node) {
+ // should also make sure that mq is not killed before msg expires.
+ // it would be ok if (kill_time - offline_time) is longer than expire time.
+ sock.Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
+ }
+ }
+ } catch (...) {
+ LOG_ERROR() << "DoPublish error.";
+ }
}
void NodeCenter::OnTimer()
@@ -582,7 +786,8 @@
}
};
EraseMapRec(service_map_, node->services_);
- EraseMapRec(subscribe_map_, node->subscriptions_);
+ EraseMapRec(local_sub_map_, node->local_sub_);
+ EraseMapRec(net_sub_map_, node->net_sub_);
// remove online record.
auto pos = online_node_addr_map_.find(node->proc_.proc_id());
@@ -604,10 +809,6 @@
void NodeCenter::Publish(SharedMemory &shm, const Topic &topic, const std::string &content)
{
try {
- // LOG_DEBUG() << "center publish: " << topic << ": " << content;
- Clients clients(DoFindClients(topic));
- if (clients.empty()) { return; }
-
MsgPublish pub;
pub.set_topic(topic);
pub.set_data(content);
@@ -616,16 +817,36 @@
if (msg.Make(head, pub)) {
DEFER1(msg.Release());
RecordMsg(msg);
-
- for (auto &cli : clients) {
- auto node = cli.weak_node_.lock();
- if (node && node->state_.flag_ == kStateNormal) {
- DefaultSender(shm).Send({cli.mq_id_, cli.mq_abs_addr_}, msg);
- }
- }
+ DoPublish(DefaultSender(shm), topic, msg);
}
} catch (...) {
LOG_ERROR() << "center publish error.";
}
+}
+
+void NodeCenter::NetRecords::ParseData(const ssjson::Json &info)
+{
+ // LOG_FUNCTION;
+ sub_hosts_.clear();
+ rpc_hosts_.clear();
+ for (auto &host : info.array()) {
+ if (host.get("isLocal", false)) {
+ host_id_ = host.get("serverId", "");
+ ip_ = host.get("ip", "");
+ } else {
+ auto ip = host.get("ip", "");
+ auto UpdateRec = [&](const ssjson::Json::array_type &lot, auto &rec) {
+ for (auto &topic : lot) {
+ auto t = topic.get_value<std::string>();
+ rec[t].insert(ip);
+ // LOG_DEBUG() << "net topic: " << t << ", " << ip;
+ }
+ };
+ // LOG_DEBUG() << "serives:";
+ UpdateRec(host.child("pubTopics").array(), rpc_hosts_);
+ // LOG_DEBUG() << "net sub:";
+ UpdateRec(host.child("netSubTopics").array(), sub_hosts_);
+ }
+ }
}
\ No newline at end of file
--
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