From 34cd75f77d0ca94dbdba4e6cc9451fe4d33e78b3 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期三, 19 五月 2021 19:14:13 +0800
Subject: [PATCH] add api BHQueryProcs.
---
src/topic_node.cpp | 327 +++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 235 insertions(+), 92 deletions(-)
diff --git a/src/topic_node.cpp b/src/topic_node.cpp
index 13bb8ee..8bbb929 100644
--- a/src/topic_node.cpp
+++ b/src/topic_node.cpp
@@ -23,9 +23,17 @@
using namespace std::chrono;
using namespace std::chrono_literals;
+const char *const kErrMsgNotInit = "BHome node NOT initialized.";
+const char *const kErrMsgNotRegistered = "BHome node NOT registered.";
+
namespace
{
-inline void AddRoute(BHMsgHead &head, const MQId id) { head.add_route()->set_mq_id(id); }
+inline void AddRoute(BHMsgHead &head, const ShmSocket &sock)
+{
+ auto route = head.add_route();
+ route->set_mq_id(sock.id());
+ route->set_abs_addr(sock.AbsAddr());
+}
struct SrcInfo {
std::vector<BHAddress> route;
@@ -37,60 +45,133 @@
} // namespace
TopicNode::TopicNode(SharedMemory &shm) :
- shm_(shm), sockets_(eSockEnd), state_(eStateUnregistered)
+ shm_(shm), state_(eStateUninited)
{
- for (int i = eSockStart; i < eSockEnd; ++i) {
- sockets_[i].reset(new ShmSocket(shm_, kMqLen));
- }
- // recv msgs to avoid memory leak.
- auto default_ignore_msg = [](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) { return true; };
- for (auto &p : sockets_) {
- p->Start(default_ignore_msg);
- }
}
TopicNode::~TopicNode()
{
+ LOG_DEBUG() << "~TopicNode()";
Stop();
- SockNode().Stop();
- if (state() == eStateUnregistered) {
- for (auto &p : sockets_) { p->Remove(); }
+}
+
+bool TopicNode::Init()
+{
+ std::lock_guard<std::mutex> lk(mutex_);
+
+ if (Valid()) {
+ return true;
+ } else if (info_.proc_id().empty()) {
+ return false;
}
+
+ if (ssn_id_ == 0) {
+ ssn_id_ = ShmMsgQueue::NewId();
+ }
+ LOG_DEBUG() << "Node Init, id " << ssn_id_;
+ auto NodeInit = [&]() {
+ int64_t init_request = ssn_id_ << 4 | EncodeCmd(eCmdNodeInit);
+ int64_t reply = 0;
+ if (BHNodeInit(init_request, reply) && DecodeCmd(reply) == eCmdNodeInitReply) {
+ int64_t abs_addr = reply >> 4;
+ sockets_.emplace_back(new ShmSocket(abs_addr, shm_, ssn_id_));
+ LOG_DEBUG() << "node init ok";
+ } else {
+ LOG_ERROR() << "Node Init Error";
+ }
+ };
+ if (sockets_.empty()) {
+ NodeInit();
+ }
+ if (!sockets_.empty()) {
+ auto onMsg = [this](ShmSocket &socket, MsgI &imsg, BHMsgHead &head) {
+ LOG_DEBUG() << "node recv type: " << head.type();
+ switch (head.type()) {
+ case kMsgTypeProcInit: {
+ // reuse msg to send proc init.
+ MsgProcInit body;
+ body.set_extra_mq_num(eSockEnd - eSockStart - 1);
+ auto head = InitMsgHead(GetType(body), info_.proc_id(), ssn_id_);
+ AddRoute(head, socket);
+ if (imsg.Fill(head, body)) {
+ socket.Send(BHTopicCenterAddress(), imsg);
+ }
+ } break;
+ case kMsgTypeProcInitReply: {
+ LOG_DEBUG() << "got proc init reply";
+ MsgProcInitReply reply;
+ if (imsg.ParseBody(reply) && IsSuccess(reply.errmsg().errcode())) {
+ for (auto &addr : reply.extra_mqs()) {
+ LOG_DEBUG() << "add socket " << addr.abs_addr() << ", id:" << addr.mq_id();
+ sockets_.emplace_back(new ShmSocket(addr.abs_addr(), shm(), addr.mq_id()));
+ }
+ SetProcIndex(reply.proc_index());
+ this->state_ = eStateUnregistered;
+
+ ServerStart(ServerAsyncCB(), 1);
+ SubscribeStartWorker(SubDataCB(), 1);
+ }
+ } break;
+ default: break;
+ }
+ return true;
+ };
+ SockNode().Start(1, onMsg);
+ return true;
+ }
+ return false;
}
void TopicNode::Start(ServerAsyncCB const &server_cb, SubDataCB const &sub_cb, RequestResultCB &client_cb, int nworker)
{
+ if (!Init()) {
+ SetLastError(eError, kErrMsgNotInit);
+ return;
+ }
if (nworker < 1) {
nworker = 1;
} else if (nworker > 16) {
nworker = 16;
}
- SockNode().Start();
+ // SockNode().Start();
ServerStart(server_cb, nworker);
SubscribeStartWorker(sub_cb, nworker);
ClientStartWorker(client_cb, nworker);
}
void TopicNode::Stop()
{
+ LOG_DEBUG() << "Node Stopping";
for (auto &p : sockets_) { p->Stop(); }
+ LOG_INFO() << "Node Stopped";
}
bool TopicNode::Register(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
{
- info_ = proc;
+ {
+ std::lock_guard<std::mutex> lk(mutex_);
+ info_ = proc;
+ }
+
+ if (!Init()) {
+ SetLastError(eError, kErrMsgNotInit);
+ return false;
+ }
+ auto end_time = steady_clock::now() + milliseconds(timeout_ms);
+
+ while (!Valid() && steady_clock::now() < end_time) {
+ std::this_thread::yield();
+ }
+ if (!Valid()) {
+ SetLastError(eError, kErrMsgNotInit);
+ return false;
+ }
auto &sock = SockNode();
MsgRegister body;
body.mutable_proc()->Swap(&proc);
- auto AddId = [&](const MQId id) { body.add_addrs()->set_mq_id(id); };
- AddId(SockNode().id());
- AddId(SockServer().id());
- AddId(SockClient().id());
- AddId(SockSub().id());
- AddId(SockPub().id());
auto head(InitMsgHead(GetType(body), body.proc().proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
auto CheckResult = [this](MsgI &msg, BHMsgHead &head, MsgCommonReply &rbody) {
bool ok = head.type() == kMsgTypeCommonReply &&
@@ -122,6 +203,11 @@
}
bool TopicNode::Unregister(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
{
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
info_.Clear();
state_cas(eStateOnline, eStateOffline);
@@ -130,7 +216,7 @@
body.mutable_proc()->Swap(&proc);
auto head(InitMsgHead(GetType(body), body.proc().proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
auto CheckResult = [this](MsgI &msg, BHMsgHead &head, MsgCommonReply &rbody) {
bool r = head.type() == kMsgTypeCommonReply &&
@@ -157,7 +243,7 @@
bool TopicNode::Heartbeat(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
@@ -166,7 +252,7 @@
body.mutable_proc()->Swap(&proc);
auto head(InitMsgHead(GetType(body), body.proc().proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
if (timeout_ms == 0) {
return sock.Send(BHTopicCenterAddress(), head, body);
@@ -190,13 +276,13 @@
bool TopicNode::QueryTopicAddress(BHAddress &dest, MsgQueryTopic &query, MsgQueryTopicReply &reply_body, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
auto &sock = SockNode();
BHMsgHead head(InitMsgHead(GetType(query), proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
MsgI reply;
DEFER1(reply.Release());
@@ -206,10 +292,29 @@
reply.ParseBody(reply_body));
}
+bool TopicNode::QueryProcs(BHAddress &dest, MsgQueryProc &query, MsgQueryProcReply &reply_body, const int timeout_ms)
+{
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+ auto &sock = SockNode();
+
+ BHMsgHead head(InitMsgHead(GetType(query), proc_id(), ssn()));
+ AddRoute(head, sock);
+
+ MsgI reply;
+ DEFER1(reply.Release());
+ BHMsgHead reply_head;
+ return (sock.SendAndRecv(BHTopicCenterAddress(), head, query, reply, reply_head, timeout_ms) &&
+ reply_head.type() == kMsgTypeQueryProcReply &&
+ reply.ParseBody(reply_body));
+}
+
bool TopicNode::ServerRegisterRPC(MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
@@ -218,7 +323,7 @@
body.mutable_topics()->Swap(&topics);
auto head(InitMsgHead(GetType(body), proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
if (timeout_ms == 0) {
return sock.Send(BHTopicCenterAddress(), head, body);
@@ -247,7 +352,7 @@
for (int i = 0; i < head.route_size() - 1; ++i) {
reply_head.add_route()->Swap(head.mutable_route(i));
}
- auto remote = head.route().rbegin()->mq_id();
+ MQInfo remote = {head.route().rbegin()->mq_id(), head.route().rbegin()->abs_addr()};
sock.Send(remote, reply_head, reply_body);
}
};
@@ -258,40 +363,67 @@
bool TopicNode::ServerStart(const ServerAsyncCB &acb, int nworker)
{
- auto onRecv = [this, acb](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) {
- if (head.type() != kMsgTypeRequestTopic || head.route_size() == 0) { return; }
- MsgRequestTopic req;
- if (!imsg.ParseBody(req)) { return; }
+ if (acb) {
+ auto onRecv = [this, acb](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) {
+ if (head.type() != kMsgTypeRequestTopic || head.route_size() == 0) { return; }
+ MsgRequestTopic req;
+ if (!imsg.ParseBody(req)) { return; }
- SrcInfo *p = new SrcInfo;
- p->route.assign(head.route().begin(), head.route().end());
- p->msg_id = head.msg_id();
- acb(p, *head.mutable_proc_id(), req);
- };
+ try {
+ SrcInfo *p = new SrcInfo;
+ if (!p) {
+ throw std::runtime_error("no memory.");
+ }
+ p->route.assign(head.route().begin(), head.route().end());
+ p->msg_id = head.msg_id();
+ acb(p, *head.mutable_proc_id(), req);
+ } catch (std::exception &e) {
+ LOG_ERROR() << "error server handle msg:" << e.what();
+ }
+ };
- auto &sock = SockServer();
- return acb && sock.Start(onRecv, nworker);
+ return SockServer().Start(onRecv, nworker);
+ } else {
+ auto onRequest = [this](ShmSocket &socket, MsgI &msg, BHMsgHead &head) {
+ server_buffer_->Write(std::move(head), msg.body());
+ };
+ return SockServer().Start(onRequest, nworker);
+ }
}
bool TopicNode::ServerRecvRequest(void *&src_info, std::string &proc_id, MsgRequestTopic &request, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
-
- auto &sock = SockServer();
-
- MsgI imsg;
BHMsgHead head;
- if (sock.SyncRecv(imsg, head, timeout_ms) && head.type() == kMsgTypeRequestTopic) {
- if (imsg.ParseBody(request)) {
+ std::string body;
+ auto end_time = steady_clock::now() + milliseconds(timeout_ms);
+ while (!server_buffer_->Read(head, body)) {
+ if (steady_clock::now() < end_time) {
+ robust::QuickSleep();
+ } else {
+ return false;
+ }
+ }
+
+ if (head.type() == kMsgTypeRequestTopic) {
+ if (request.ParseFromString(body)) {
head.mutable_proc_id()->swap(proc_id);
- SrcInfo *p = new SrcInfo;
- p->route.assign(head.route().begin(), head.route().end());
- p->msg_id = head.msg_id();
- src_info = p;
- return true;
+ try {
+ SrcInfo *p = new SrcInfo;
+ if (!p) {
+ throw std::runtime_error("no memory.");
+ }
+ p->route.assign(head.route().begin(), head.route().end());
+ p->msg_id = head.msg_id();
+ src_info = p;
+ return true;
+ } catch (std::exception &e) {
+ LOG_ERROR() << "error recv request: " << e.what();
+ return false;
+ }
}
}
return false;
@@ -300,7 +432,7 @@
bool TopicNode::ServerSendReply(void *src_info, const MsgRequestTopicReply &body)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
@@ -315,7 +447,8 @@
for (unsigned i = 0; i < p->route.size() - 1; ++i) {
head.add_route()->Swap(&p->route[i]);
}
- return sock.Send(p->route.back().mq_id(), head, body);
+ MQInfo dest = {p->route.back().mq_id(), p->route.back().abs_addr()};
+ return sock.Send(dest, head, body);
}
bool TopicNode::ClientStartWorker(RequestResultCB const &cb, const int nworker)
@@ -338,7 +471,7 @@
bool TopicNode::ClientAsyncRequest(const BHAddress &remote_addr, const MsgRequestTopic &req, std::string &out_msg_id, const RequestResultCB &cb)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
@@ -346,10 +479,10 @@
out_msg_id = msg_id;
- auto SendTo = [this, msg_id](const BHAddress &addr, const MsgRequestTopic &req, const RequestResultCB &cb) {
+ auto SendTo = [this, msg_id](const MQInfo &remote, const MsgRequestTopic &req, const RequestResultCB &cb) {
auto &sock = SockClient();
BHMsgHead head(InitMsgHead(GetType(req), proc_id(), ssn(), msg_id));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
head.set_topic(req.topic());
if (cb) {
@@ -361,15 +494,15 @@
}
}
};
- return sock.Send(addr.mq_id(), head, req, onRecv);
+ return sock.Send(remote, head, req, onRecv);
} else {
- return sock.Send(addr.mq_id(), head, req);
+ return sock.Send(remote, head, req);
}
};
try {
BHAddress addr;
- return (ClientQueryRPCTopic(req.topic(), addr, 3000)) && SendTo(addr, req, cb);
+ return (ClientQueryRPCTopic(req.topic(), addr, 3000)) && SendTo(MQInfo{addr.mq_id(), addr.abs_addr()}, req, cb);
} catch (...) {
SetLastError(eError, "internal error.");
return false;
@@ -379,7 +512,7 @@
bool TopicNode::ClientSyncRequest(const BHAddress &remote_addr, const MsgRequestTopic &request, std::string &out_proc_id, MsgRequestTopicReply &out_reply, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
@@ -388,22 +521,21 @@
BHAddress addr;
if (ClientQueryRPCTopic(request.topic(), addr, timeout_ms)) {
+ LOG_TRACE() << "node: " << SockNode().id() << ", topic dest: " << addr.mq_id();
BHMsgHead head(InitMsgHead(GetType(request), proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
head.set_topic(request.topic());
MsgI reply_msg;
DEFER1(reply_msg.Release(););
BHMsgHead reply_head;
- if (sock.SendAndRecv(addr.mq_id(), head, request, reply_msg, reply_head, timeout_ms) &&
+ if (sock.SendAndRecv({addr.mq_id(), addr.abs_addr()}, head, request, reply_msg, reply_head, timeout_ms) &&
reply_head.type() == kMsgTypeRequestTopicReply &&
reply_msg.ParseBody(out_reply)) {
reply_head.mutable_proc_id()->swap(out_proc_id);
return true;
}
- } else {
- SetLastError(eNotFound, "remote not found.");
}
} catch (...) {
SetLastError(eError, __func__ + std::string(" internal errer."));
@@ -411,7 +543,7 @@
return false;
}
-int TopicNode::QueryRPCTopics(const Topic &topic, std::vector<NodeAddress> &addr, const int timeout_ms)
+int TopicNode::QueryTopicServers(const Topic &topic, std::vector<NodeAddress> &addr, const int timeout_ms)
{
int n = 0;
MsgQueryTopic query;
@@ -431,7 +563,7 @@
bool TopicNode::ClientQueryRPCTopic(const Topic &topic, BHAddress &addr, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
@@ -439,13 +571,14 @@
return true;
}
std::vector<NodeAddress> lst;
- if (QueryRPCTopics(topic, lst, timeout_ms)) {
+ if (QueryTopicServers(topic, lst, timeout_ms)) {
addr = lst.front().addr();
if (addr.mq_id() != 0) {
topic_query_cache_.Store(topic, addr);
return true;
}
}
+ SetLastError(eNotFound, "remote not found.");
return false;
}
@@ -454,14 +587,14 @@
bool TopicNode::Publish(const MsgPublish &pub, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
try {
auto &sock = SockPub();
BHMsgHead head(InitMsgHead(GetType(pub), proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
if (timeout_ms == 0) {
return sock.Send(BHTopicBusAddress(), head, pub);
@@ -485,7 +618,7 @@
bool TopicNode::Subscribe(MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
@@ -495,7 +628,7 @@
sub.mutable_topics()->Swap(&topics);
BHMsgHead head(InitMsgHead(GetType(sub), proc_id(), ssn()));
- AddRoute(head, sock.id());
+ AddRoute(head, sock);
if (timeout_ms == 0) {
return sock.Send(BHTopicBusAddress(), head, sub);
} else {
@@ -515,36 +648,46 @@
bool TopicNode::SubscribeStartWorker(const SubDataCB &tdcb, int nworker)
{
- auto &sock = SockSub();
-
- auto AsyncRecvProc = [this, tdcb](ShmSocket &, MsgI &imsg, BHMsgHead &head) {
- if (head.type() == kMsgTypePublish) {
- MsgPublish pub;
- if (imsg.ParseBody(pub)) {
- tdcb(head.proc_id(), pub);
+ if (tdcb) {
+ auto AsyncRecvProc = [this, tdcb](ShmSocket &, MsgI &imsg, BHMsgHead &head) {
+ if (head.type() == kMsgTypePublish) {
+ MsgPublish pub;
+ if (imsg.ParseBody(pub)) {
+ tdcb(head.proc_id(), pub);
+ }
+ } else {
+ // ignored, or dropped
}
- } else {
- // ignored, or dropped
- }
- };
-
- return tdcb && sock.Start(AsyncRecvProc, nworker);
+ };
+ return SockSub().Start(AsyncRecvProc, nworker);
+ } else {
+ auto onSub = [this](ShmSocket &socket, MsgI &msg, BHMsgHead &head) {
+ sub_buffer_->Write(std::move(head), msg.body());
+ };
+ return SockSub().Start(onSub, nworker);
+ }
}
bool TopicNode::RecvSub(std::string &proc_id, MsgPublish &pub, const int timeout_ms)
{
if (!IsOnline()) {
- SetLastError(eNotRegistered, "Not Registered.");
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
return false;
}
- auto &sock = SockSub();
- MsgI msg;
- DEFER1(msg.Release(););
BHMsgHead head;
+ std::string body;
+ auto end_time = steady_clock::now() + milliseconds(timeout_ms);
+ while (!sub_buffer_->Read(head, body)) {
+ if (steady_clock::now() < end_time) {
+ robust::QuickSleep();
+ } else {
+ return false;
+ }
+ }
//TODO error msg.
- if (sock.SyncRecv(msg, head, timeout_ms) && head.type() == kMsgTypePublish) {
- if (msg.ParseBody(pub)) {
+ if (head.type() == kMsgTypePublish) {
+ if (pub.ParseFromString(body)) {
head.mutable_proc_id()->swap(proc_id);
return true;
}
--
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