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/topic_node.cpp | 813 +++++++++++++++++++++++++++++++++++++++++++--------------
1 files changed, 611 insertions(+), 202 deletions(-)
diff --git a/src/topic_node.cpp b/src/topic_node.cpp
index c6c9771..6096fbb 100644
--- a/src/topic_node.cpp
+++ b/src/topic_node.cpp
@@ -17,182 +17,456 @@
*/
#include "topic_node.h"
#include "bh_util.h"
+#include "sleeper.h"
#include <chrono>
#include <list>
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, sizeof(id)); }
+bool ValidUserSymbol(const std::string &s)
+{
+ return !s.empty() && s[0] != '#' && s[0] != '@';
+}
+
+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;
std::string msg_id;
};
-class ServerFailedQ
-{
- struct FailedMsg {
- steady_clock::time_point xpr;
- std::string remote_;
- BHMsgHead head_;
- MsgRequestTopicReply body_;
- FailedMsg(const std::string &addr, BHMsgHead &&head, MsgRequestTopicReply &&body) :
- xpr(steady_clock::now() + 10s), remote_(addr), head_(std::move(head)), body_(std::move(body)) {}
- bool Expired() { return steady_clock::now() > xpr; }
- };
- typedef std::list<FailedMsg> Queue;
- Synced<Queue> queue_;
-
-public:
- void Push(const std::string &remote, BHMsgHead &&head, MsgRequestTopicReply &&body)
- {
- queue_->emplace_back(remote, std::move(head), std::move(body));
- }
- void TrySend(ShmSocket &socket, const int timeout_ms = 0)
- {
- queue_.Apply([&](Queue &q) {
- if (!q.empty()) {
- auto it = q.begin();
- do {
- if (it->Expired()) {
- // it->msg_.Release(socket.shm());
- it = q.erase(it);
- } else if (socket.Send(it->remote_.data(), it->head_, it->body_, timeout_ms)) {
- it = q.erase(it);
- } else {
- ++it;
- }
- } while (it != q.end());
- }
- });
- }
-};
+const int kMqLen = 700;
} // namespace
-TopicNode::TopicNode(SharedMemory &shm) :
- shm_(shm), sock_node_(shm), sock_request_(shm), sock_reply_(shm), sock_sub_(shm)
+
+TopicNode::TopicNode(SharedMemory &shm, MQId ssn_id) :
+ shm_(shm), state_(eStateUninited), ssn_id_(ssn_id)
{
- SockNode().Start();
}
+
TopicNode::~TopicNode()
{
- StopAll();
- SockNode().Stop();
-}
-void TopicNode::StopAll()
-{
- ServerStop();
- ClientStopWorker();
+ Stop();
}
-bool TopicNode::Register(const MsgRegister &body, MsgCommonReply &reply_body, const int timeout_ms)
+bool TopicNode::Init()
{
- auto head(InitMsgHead(GetType(body), body.proc().proc_id()));
- AddRoute(head, SockNode().id());
+ std::lock_guard<std::mutex> lk(mutex_);
- MsgI reply;
- DEFER1(reply.Release(shm_););
- BHMsgHead reply_head;
- bool r = SockNode().SendAndRecv(&BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms);
- r = r && reply_head.type() == kMsgTypeCommonReply;
- r = r && reply.ParseBody(reply_body);
- if (r) {
- info_ = body;
+ if (Valid()) {
+ return true;
+ } else if (info_.proc_id().empty()) {
+ return false;
}
- return r;
-}
-bool TopicNode::RegisterRPC(const MsgRegisterRPC &body, MsgCommonReply &reply_body, const int timeout_ms)
-{
- //TODO check registered
-
- auto head(InitMsgHead(GetType(body), proc_id()));
- AddRoute(head, SockReply().id());
-
- MsgI reply;
- DEFER1(reply.Release(shm_););
- BHMsgHead reply_head;
- bool r = SockReply().SendAndRecv(&BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms);
- r = r && reply_head.type() == kMsgTypeCommonReply;
- r = r && reply.ParseBody(reply_body);
- return r;
-}
-
-bool TopicNode::ServerStart(const OnRequest &rcb, int nworker)
-{
- //TODO check registered
-
- auto failed_q = std::make_shared<ServerFailedQ>();
-
- auto onIdle = [failed_q](ShmSocket &socket) { failed_q->TrySend(socket); };
-
- auto onRecv = [this, rcb, failed_q, onIdle](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) {
- if (head.type() == kMsgTypeRequestTopic && head.route_size() > 0) {
- MsgRequestTopic req;
- if (imsg.ParseBody(req)) {
- std::string out;
- if (rcb(req.topic(), req.data(), out)) {
- MsgRequestTopicReply reply_body;
- reply_body.set_data(std::move(out));
- BHMsgHead reply_head(InitMsgHead(GetType(reply_body), proc_id(), head.msg_id()));
-
- for (int i = 0; i < head.route_size() - 1; ++i) {
- reply_head.add_route()->Swap(head.mutable_route(i));
- }
- if (!sock.Send(head.route().rbegin()->mq_id().data(), reply_head, reply_body, 10)) {
- failed_q->Push(head.route().rbegin()->mq_id(), std::move(reply_head), std::move(reply_body));
- }
- }
- }
+ if (ssn_id_ == 0) {
+ ssn_id_ = NewSession();
+ }
+ LOG_DEBUG() << "Node Init, id " << ssn_id_;
+ auto NodeInit = [&]() {
+ int64_t init_request = ssn_id_ << 4 | EncodeCmd(eCmdNodeInit);
+ int64_t reply = 0;
+ if (BHNodeInit(shm(), 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 {
- // ignored, or dropped
+ 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(CenterAddr(), 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;
- onIdle(sock);
+ 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();
+ ServerStart(server_cb, nworker);
+ SubscribeStartWorker(sub_cb, nworker);
+ ClientStartWorker(client_cb, nworker);
+}
+void TopicNode::Stop()
+{
+ for (auto &p : sockets_) { p->Stop(); }
+}
+
+bool TopicNode::DoRegister(const bool internal, ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
+{
+ if (!internal && !ValidUserSymbol(proc.proc_id())) {
+ SetLastError(eInvalidInput, "invalid proc id :'" + proc.proc_id() + "'");
+ return false;
+ }
+
+ {
+ 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 head(InitMsgHead(GetType(body), body.proc().proc_id(), ssn()));
+ AddRoute(head, sock);
+
+ auto CheckResult = [this](MsgI &msg, BHMsgHead &head, MsgCommonReply &rbody) {
+ bool ok = head.type() == kMsgTypeCommonReply &&
+ msg.ParseBody(rbody) &&
+ IsSuccess(rbody.errmsg().errcode());
+ if (ok) {
+ state(eStateOnline);
+ } else {
+ state_cas(eStateOnline, eStateOffline);
+ }
};
- return rcb && SockReply().Start(onRecv, onIdle, nworker);
+ if (timeout_ms == 0) {
+ auto onResult = [this, CheckResult](ShmSocket &socket, MsgI &imsg, BHMsgHead &head) {
+ MsgCommonReply body;
+ CheckResult(imsg, head, body);
+ };
+ return sock.Send(CenterAddr(), head, body, onResult);
+ } else {
+ MsgI reply(shm());
+ DEFER1(reply.Release(););
+ BHMsgHead reply_head;
+ bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
+ if (r) {
+ CheckResult(reply, reply_head, reply_body);
+ }
+ return IsOnline();
+ }
}
-bool TopicNode::ServerStop() { return SockReply().Stop(); }
-
-bool TopicNode::ServerRecvRequest(void *&src_info, std::string &topic, std::string &data, const int timeout_ms)
+bool TopicNode::Unregister(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
{
- MsgI imsg;
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ info_.Clear();
+ state_cas(eStateOnline, eStateOffline);
+
+ auto &sock = SockNode();
+ MsgUnregister body;
+ body.mutable_proc()->Swap(&proc);
+
+ auto head(InitMsgHead(GetType(body), body.proc().proc_id(), ssn()));
+ AddRoute(head, sock);
+
+ auto CheckResult = [this](MsgI &msg, BHMsgHead &head, MsgCommonReply &rbody) {
+ bool r = head.type() == kMsgTypeCommonReply &&
+ msg.ParseBody(rbody) &&
+ IsSuccess(rbody.errmsg().errcode());
+ return r;
+ };
+
+ if (timeout_ms == 0) {
+ auto onResult = [this, CheckResult](ShmSocket &socket, MsgI &imsg, BHMsgHead &head) {
+ MsgCommonReply body;
+ CheckResult(imsg, head, body);
+ };
+ return sock.Send(CenterAddr(), head, body, onResult);
+ } else {
+ MsgI reply(shm());
+ DEFER1(reply.Release(););
+ BHMsgHead reply_head;
+ bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
+ return r && CheckResult(reply, reply_head, reply_body);
+ }
+}
+
+bool TopicNode::Heartbeat(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms)
+{
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ auto &sock = SockNode();
+ MsgHeartbeat body;
+ body.mutable_proc()->Swap(&proc);
+
+ auto head(InitMsgHead(GetType(body), body.proc().proc_id(), ssn()));
+ AddRoute(head, sock);
+
+ if (timeout_ms == 0) {
+ return sock.Send(CenterAddr(), head, body);
+ } else {
+ MsgI reply(shm());
+ DEFER1(reply.Release(););
+ BHMsgHead reply_head;
+ bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
+ r = r && reply_head.type() == kMsgTypeCommonReply && reply.ParseBody(reply_body);
+ return (r && IsSuccess(reply_body.errmsg().errcode()));
+ }
+}
+bool TopicNode::Heartbeat(const int timeout_ms)
+{
+ ProcInfo proc;
+ proc.set_proc_id(proc_id());
+ MsgCommonReply reply_body;
+ return Heartbeat(proc, reply_body, timeout_ms);
+}
+
+bool TopicNode::QueryTopicAddress(BHAddress &dest, MsgQueryTopic &query, MsgQueryTopicReply &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(shm());
+ DEFER1(reply.Release());
+ BHMsgHead reply_head;
+ return (sock.SendAndRecv(CenterAddr(), head, query, reply, reply_head, timeout_ms) &&
+ reply_head.type() == kMsgTypeQueryTopicReply &&
+ 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(shm());
+ DEFER1(reply.Release());
+ BHMsgHead reply_head;
+ return (sock.SendAndRecv(CenterAddr(), head, query, reply, reply_head, timeout_ms) &&
+ reply_head.type() == kMsgTypeQueryProcReply &&
+ reply.ParseBody(reply_body));
+}
+
+bool TopicNode::DoServerRegisterRPC(const bool internal, MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms)
+{
+ if (!internal) {
+ for (auto &&topic : topics.topic_list()) {
+ if (!ValidUserSymbol(topic)) {
+ SetLastError(eInvalidInput, "invalid user topic :'" + topic + "'");
+ return false;
+ }
+ }
+ }
+
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ auto &sock = SockServer();
+ MsgRegisterRPC body;
+ body.mutable_topics()->Swap(&topics);
+
+ auto head(InitMsgHead(GetType(body), proc_id(), ssn()));
+ AddRoute(head, sock);
+
+ if (timeout_ms == 0) {
+ return sock.Send(CenterAddr(), head, body);
+ } else {
+ MsgI reply(shm());
+ DEFER1(reply.Release(););
+ BHMsgHead reply_head;
+ bool r = sock.SendAndRecv(CenterAddr(), head, body, reply, reply_head, timeout_ms);
+ r = r && reply_head.type() == kMsgTypeCommonReply;
+ r = r && reply.ParseBody(reply_body);
+ return r;
+ }
+}
+
+bool TopicNode::ServerStart(const ServerSyncCB &rcb, int nworker)
+{
+ auto onRecv = [this, rcb](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) {
+ if (head.type() != kMsgTypeRequestTopic || head.route_size() == 0) { return; }
+ MsgRequestTopic req;
+ if (!imsg.ParseBody(req)) { return; }
+
+ MsgRequestTopicReply reply_body;
+ if (rcb(head.proc_id(), req, reply_body)) {
+ BHMsgHead reply_head(InitMsgHead(GetType(reply_body), proc_id(), ssn(), head.msg_id()));
+
+ for (int i = 0; i < head.route_size() - 1; ++i) {
+ reply_head.add_route()->Swap(head.mutable_route(i));
+ }
+ MQInfo remote = {head.route().rbegin()->mq_id(), head.route().rbegin()->abs_addr()};
+ sock.Send(remote, reply_head, reply_body);
+ }
+ };
+
+ auto &sock = SockServer();
+ return rcb && sock.Start(onRecv, nworker);
+}
+
+bool TopicNode::ServerStart(const ServerAsyncCB &acb, int nworker)
+{
+ 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; }
+
+ 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();
+ }
+ };
+
+ 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, kErrMsgNotRegistered);
+ return false;
+ }
BHMsgHead head;
- if (SockReply().SyncRecv(imsg, head, timeout_ms) && head.type() == kMsgTypeRequestTopic) {
- MsgRequestTopic request;
- if (imsg.ParseBody(request)) {
- request.mutable_topic()->swap(topic);
- request.mutable_data()->swap(data);
- SrcInfo *p = new SrcInfo;
- p->route.assign(head.route().begin(), head.route().end());
- p->msg_id = head.msg_id();
- src_info = p;
- return true;
+ std::string body;
+ FibUSleeper sleeper(1000 * 10);
+ auto end_time = steady_clock::now() + milliseconds(timeout_ms);
+ while (!server_buffer_->Read(head, body)) {
+ if (steady_clock::now() < end_time) {
+ sleeper.Sleep();
+ } else {
+ return false;
+ }
+ }
+
+ if (head.type() == kMsgTypeRequestTopic) {
+ if (request.ParseFromString(body)) {
+ head.mutable_proc_id()->swap(proc_id);
+ 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;
}
-bool TopicNode::ServerSendReply(void *src_info, const std::string &data, const int timeout_ms)
+bool TopicNode::ServerSendReply(void *src_info, const MsgRequestTopicReply &body)
{
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ auto &sock = SockServer();
+
SrcInfo *p = static_cast<SrcInfo *>(src_info);
DEFER1(delete p);
if (!p || p->route.empty()) {
return false;
}
- MsgRequestTopicReply body;
- body.set_data(data);
- BHMsgHead head(InitMsgHead(GetType(body), proc_id(), p->msg_id));
-
+ BHMsgHead head(InitMsgHead(GetType(body), proc_id(), ssn(), p->msg_id));
for (unsigned i = 0; i < p->route.size() - 1; ++i) {
head.add_route()->Swap(&p->route[i]);
}
-
- return SockReply().Send(p->route.back().mq_id().data(), head, body, timeout_ms);
+ 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)
@@ -204,119 +478,254 @@
if (head.type() == kMsgTypeRequestTopicReply) {
MsgRequestTopicReply reply;
if (imsg.ParseBody(reply)) {
- cb(reply.data());
+ cb(head, reply);
}
}
};
- return SockRequest().Start(onData, nworker);
+ return SockClient().Start(onData, nworker);
}
-bool TopicNode::ClientStopWorker() { return SockRequest().Stop(); }
-bool TopicNode::ClientAsyncRequest(const Topic &topic, const void *data, const size_t size, const int timeout_ms, const RequestResultCB &cb)
+bool TopicNode::ClientAsyncRequest(const BHAddress &remote_addr, const MsgRequestTopic &req, std::string &out_msg_id, const RequestResultCB &cb)
{
- auto Call = [&](const void *remote) {
- auto &sock = SockRequest();
- MsgRequestTopic req;
- req.set_topic(topic);
- req.set_data(data, size);
- BHMsgHead head(InitMsgHead(GetType(req), proc_id()));
- AddRoute(head, sock.id());
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ const std::string &msg_id(NewMsgId());
+
+ out_msg_id = msg_id;
+
+ auto SendTo = [this, remote_addr, msg_id](const MQInfo &remote, const MsgRequestTopic &req, const RequestResultCB &cb) {
+ auto &sock = SockClient();
+ BHMsgHead head(InitMsgHead(GetType(req), proc_id(), ssn(), msg_id));
+ *head.mutable_dest() = remote_addr;
+ AddRoute(head, sock);
+ head.set_topic(req.topic());
if (cb) {
auto onRecv = [cb](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) {
if (head.type() == kMsgTypeRequestTopicReply) {
MsgRequestTopicReply reply;
if (imsg.ParseBody(reply)) {
- cb(reply.data());
+ cb(head, reply);
}
}
};
- return sock.Send(remote, head, req, timeout_ms, onRecv);
+ return sock.Send(remote, head, req, onRecv);
} else {
- return sock.Send(remote, head, req, timeout_ms);
+ return sock.Send(remote, head, req);
}
};
try {
- BHAddress addr;
- if (ClientQueryRPCTopic(topic, addr, timeout_ms)) {
- return Call(addr.mq_id().data());
+ if (remote_addr.ip().empty()) {
+ BHAddress addr;
+ return (ClientQueryRPCTopic(req.topic(), addr, 3000)) && SendTo(MQInfo{addr.mq_id(), addr.abs_addr()}, req, cb);
} else {
- return false;
+ return SendTo(CenterAddr(), req, cb);
+ }
+ } catch (...) {
+ SetLastError(eError, "internal error.");
+ return false;
+ }
+}
+
+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, kErrMsgNotRegistered);
+ return false;
+ }
+
+ try {
+ auto &sock = SockClient();
+ MQInfo dest;
+ if (!remote_addr.ip().empty()) {
+ dest = CenterAddr();
+ } else {
+ BHAddress addr;
+ if (ClientQueryRPCTopic(request.topic(), addr, timeout_ms)) {
+ dest.offset_ = addr.abs_addr();
+ dest.id_ = addr.mq_id();
+ } else {
+ return false;
+ }
+ }
+
+ BHMsgHead head(InitMsgHead(GetType(request), proc_id(), ssn()));
+ *head.mutable_dest() = remote_addr;
+ AddRoute(head, sock);
+ head.set_topic(request.topic());
+
+ MsgI reply_msg(shm());
+ DEFER1(reply_msg.Release(););
+ BHMsgHead reply_head;
+
+ if (sock.SendAndRecv(dest, 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;
+ }
+ } catch (std::exception &e) {
+ LOG_ERROR() << __func__ << " exception: " << e.what();
+ SetLastError(eError, __func__ + std::string(" internal errer."));
+ }
+ return false;
+}
+
+int TopicNode::QueryTopicServers(const Topic &topic, std::vector<NodeAddress> &addr, const int timeout_ms)
+{
+ int n = 0;
+ MsgQueryTopic query;
+ query.set_topic(topic);
+ MsgQueryTopicReply rep;
+ BHAddress dest; // empty means local.
+ if (QueryTopicAddress(dest, query, rep, timeout_ms)) {
+ auto &ls = rep.node_address();
+ n = ls.size();
+ for (auto &na : ls) {
+ addr.push_back(na);
+ }
+ }
+ return n;
+}
+
+bool TopicNode::ClientQueryRPCTopic(const Topic &topic, BHAddress &addr, const int timeout_ms)
+{
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ if (topic_query_cache_.Find(topic, addr)) {
+ return true;
+ }
+ std::vector<NodeAddress> lst;
+ 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;
+}
+
+// publish
+
+bool TopicNode::Publish(const MsgPublish &pub, const int timeout_ms)
+{
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ try {
+ auto &sock = SockPub();
+ BHMsgHead head(InitMsgHead(GetType(pub), proc_id(), ssn()));
+ AddRoute(head, sock);
+ head.set_topic(pub.topic());
+
+ if (timeout_ms == 0) {
+ return sock.Send(BusAddr(), head, pub);
+ } else {
+ MsgI reply(shm());
+ DEFER1(reply.Release(););
+ BHMsgHead reply_head;
+ MsgCommonReply reply_body;
+ return sock.SendAndRecv(BusAddr(), head, pub, reply, reply_head, timeout_ms) &&
+ reply_head.type() == kMsgTypeCommonReply &&
+ reply.ParseBody(reply_body) &&
+ IsSuccess(reply_body.errmsg().errcode());
+ }
+ } catch (...) {
+ }
+ return false;
+}
+
+// subscribe
+
+bool TopicNode::DoSubscribe(MsgTopicList &topics, const bool net, MsgCommonReply &reply_body, const int timeout_ms)
+{
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
+ }
+
+ try {
+ auto &sock = SockSub();
+ MsgSubscribe sub;
+ sub.set_network(net);
+ sub.mutable_topics()->Swap(&topics);
+
+ BHMsgHead head(InitMsgHead(GetType(sub), proc_id(), ssn()));
+ AddRoute(head, sock);
+ if (timeout_ms == 0) {
+ return sock.Send(BusAddr(), head, sub);
+ } else {
+ MsgI reply(shm());
+ DEFER1(reply.Release(););
+ BHMsgHead reply_head;
+ return sock.SendAndRecv(BusAddr(), head, sub, reply, reply_head, timeout_ms) &&
+ reply_head.type() == kMsgTypeCommonReply &&
+ reply.ParseBody(reply_body) &&
+ IsSuccess(reply_body.errmsg().errcode());
}
} catch (...) {
return false;
}
}
-bool TopicNode::ClientSyncRequest(const Topic &topic, const void *data, const size_t size, std::string &out, const int timeout_ms)
+bool TopicNode::SubscribeStartWorker(const SubDataCB &tdcb, int nworker)
{
- try {
- auto &sock = SockRequest();
- BHAddress addr;
- if (ClientQueryRPCTopic(topic, addr, timeout_ms)) {
-
- MsgRequestTopic req;
- req.set_topic(topic);
- req.set_data(data, size);
- BHMsgHead head(InitMsgHead(GetType(req), proc_id()));
- AddRoute(head, sock.id());
-
- MsgI reply;
- DEFER1(reply.Release(shm_););
- BHMsgHead reply_head;
-
- if (sock.SendAndRecv(addr.mq_id().data(), head, req, reply, reply_head, timeout_ms) && reply_head.type() == kMsgTypeRequestTopicReply) {
- MsgRequestTopicReply dr;
- if (reply.ParseBody(dr)) {
- dr.mutable_data()->swap(out);
- return true;
- } else {
- printf("error parse reply.\n");
+ 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 {
- printf("error recv data. line: %d\n", __LINE__);
+ // ignored, or dropped
}
- } else {
- printf("error recv data. line: %d\n", __LINE__);
- }
- } catch (...) {
- printf("error recv data. line: %d\n", __LINE__);
+ };
+ 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);
}
- return false;
}
-bool TopicNode::ClientQueryRPCTopic(const Topic &topic, bhome::msg::BHAddress &addr, const int timeout_ms)
+bool TopicNode::RecvSub(std::string &proc_id, MsgPublish &pub, const int timeout_ms)
{
- auto &sock = SockRequest();
- if (topic_query_cache_.Find(topic, addr)) {
- return true;
+ if (!IsOnline()) {
+ SetLastError(eNotRegistered, kErrMsgNotRegistered);
+ return false;
}
- MsgQueryTopic query;
- query.set_topic(topic);
- BHMsgHead head(InitMsgHead(GetType(query), proc_id()));
- AddRoute(head, sock.id());
-
- MsgI reply;
- DEFER1(reply.Release(shm_));
- BHMsgHead reply_head;
-
- if (sock.SendAndRecv(&BHTopicCenterAddress(), head, query, reply, reply_head, timeout_ms)) {
- if (reply_head.type() == kMsgTypeQueryTopicReply) {
- MsgQueryTopicReply rep;
- if (reply.ParseBody(rep)) {
- addr = rep.address();
- if (addr.mq_id().empty()) {
- return false;
- } else {
- topic_query_cache_.Update(topic, addr);
- return true;
- }
- }
+ BHMsgHead head;
+ std::string body;
+ FibUSleeper sleeper(1000 * 10);
+ auto end_time = steady_clock::now() + milliseconds(timeout_ms);
+ while (!sub_buffer_->Read(head, body)) {
+ if (steady_clock::now() < end_time) {
+ sleeper.Sleep();
+ } else {
+ return false;
}
- } else {
}
+ if (head.type() == kMsgTypePublish) {
+ if (pub.ParseFromString(body)) {
+ head.mutable_proc_id()->swap(proc_id);
+ return true;
+ }
+ }
+ SetLastError(eError, "invalid subcribe msg received.");
return false;
}
\ No newline at end of file
--
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