update

message/source/message_server.cc

@@ -0,0 +1,56 @@
+//主要实现语音识别子服务的服务器的搭建
+#include "message_server.hpp"
+
+DEFINE_bool(run_mode, false, "程序的运行模式，false-调试； true-发布；");
+DEFINE_string(log_file, "", "发布模式下，用于指定日志的输出文件");
+DEFINE_int32(log_level, 0, "发布模式下，用于指定日志输出等级");
+
+DEFINE_string(registry_host, "http://127.0.0.1:2379", "服务注册中心地址");
+DEFINE_string(instance_name, "/message_service/instance", "当前实例名称");
+DEFINE_string(access_host, "127.0.0.1:10005", "当前实例的外部访问地址");
+
+DEFINE_int32(listen_port, 10005, "Rpc服务器监听端口");
+DEFINE_int32(rpc_timeout, -1, "Rpc调用超时时间");
+DEFINE_int32(rpc_threads, 1, "Rpc的IO线程数量");
+
+
+DEFINE_string(base_service, "/service", "服务监控根目录");
+DEFINE_string(file_service, "/service/file_service", "文件管理子服务名称");
+DEFINE_string(user_service, "/service/user_service", "用户管理子服务名称");
+
+DEFINE_string(es_host, "http://127.0.0.1:9200/", "ES搜索引擎服务器URL");
+
+DEFINE_string(mysql_host, "127.0.0.1", "Mysql服务器访问地址");
+DEFINE_string(mysql_user, "root", "Mysql服务器访问用户名");
+DEFINE_string(mysql_pswd, "123456", "Mysql服务器访问密码");
+DEFINE_string(mysql_db, "bite_im", "Mysql默认库名称");
+DEFINE_string(mysql_cset, "utf8", "Mysql客户端字符集");
+DEFINE_int32(mysql_port, 0, "Mysql服务器访问端口");
+DEFINE_int32(mysql_pool_count, 4, "Mysql连接池最大连接数量");
+
+DEFINE_string(mq_user, "root", "消息队列服务器访问用户名");
+DEFINE_string(mq_pswd, "123456", "消息队列服务器访问密码");
+DEFINE_string(mq_host, "127.0.0.1:5672", "消息队列服务器访问地址");
+DEFINE_string(mq_msg_exchange, "msg_exchange", "持久化消息的发布交换机名称");
+DEFINE_string(mq_msg_queue, "msg_queue", "持久化消息的发布队列名称");
+DEFINE_string(mq_msg_binding_key, "msg_queue", "持久化消息的发布队列名称");
+
+
+int main(int argc, char *argv[])
+{
+    google::ParseCommandLineFlags(&argc, &argv, true);
+    bite_im::init_logger(FLAGS_run_mode, FLAGS_log_file, FLAGS_log_level);
+
+    bite_im::MessageServerBuilder msb;
+    msb.make_mq_object(FLAGS_mq_user, FLAGS_mq_pswd, FLAGS_mq_host,
+        FLAGS_mq_msg_exchange, FLAGS_mq_msg_queue, FLAGS_mq_msg_binding_key);
+    msb.make_es_object({FLAGS_es_host});
+    msb.make_mysql_object(FLAGS_mysql_user, FLAGS_mysql_pswd, FLAGS_mysql_host, 
+        FLAGS_mysql_db, FLAGS_mysql_cset, FLAGS_mysql_port, FLAGS_mysql_pool_count);
+    msb.make_discovery_object(FLAGS_registry_host, FLAGS_base_service, FLAGS_file_service, FLAGS_user_service);
+    msb.make_rpc_server(FLAGS_listen_port, FLAGS_rpc_timeout, FLAGS_rpc_threads);
+    msb.make_registry_object(FLAGS_registry_host, FLAGS_base_service + FLAGS_instance_name, FLAGS_access_host);
+    auto server = msb.build();
+    server->start();
+    return 0;
+}

message/source/message_server.hpp

@@ -0,0 +1,579 @@
+//实现语音识别子服务
+#include <brpc/server.h>
+#include <butil/logging.h>
+
+#include "data_es.hpp"            // es数据管理客户端封装
+#include "mysql_message.hpp"      // mysql数据管理客户端封装
+#include "etcd.hpp"     // 服务注册模块封装
+#include "logger.hpp"   // 日志模块封装
+#include "utils.hpp"    // 基础工具接口
+#include "channel.hpp"  // 信道管理模块封装
+#include "rabbitmq.hpp"
+
+#include "message.pb.h"  // protobuf框架代码
+#include "base.pb.h"  // protobuf框架代码
+#include "file.pb.h"  // protobuf框架代码
+#include "user.pb.h"  // protobuf框架代码
+
+namespace bite_im{
+class MessageServiceImpl : public bite_im::MsgStorageService {
+    public:
+        MessageServiceImpl(
+            const std::shared_ptr<elasticlient::Client> &es_client,
+            const std::shared_ptr<odb::core::database> &mysql_client,
+            const ServiceManager::ptr &channel_manager,
+            const std::string &file_service_name,
+            const std::string &user_service_name) :
+            _es_message(std::make_shared<ESMessage>(es_client)),
+            _mysql_message(std::make_shared<MessageTable>(mysql_client)),
+            _file_service_name(file_service_name),
+            _user_service_name(user_service_name),
+            _mm_channels(channel_manager){
+            _es_message->createIndex();
+        }
+        ~MessageServiceImpl(){}
+        virtual void GetHistoryMsg(::google::protobuf::RpcController* controller,
+            const ::bite_im::GetHistoryMsgReq* request,
+            ::bite_im::GetHistoryMsgRsp* response,
+            ::google::protobuf::Closure* done) {
+            brpc::ClosureGuard rpc_guard(done);
+            auto err_response = [this, response](const std::string &rid, 
+                const std::string &errmsg) -> void {
+                response->set_request_id(rid);
+                response->set_success(false);
+                response->set_errmsg(errmsg);
+                return;
+            };
+            //1. 提取关键要素：会话ID，起始时间，结束时间
+            std::string rid = request->request_id();
+            std::string chat_ssid = request->chat_session_id();
+            boost::posix_time::ptime stime = boost::posix_time::from_time_t(request->start_time());
+            boost::posix_time::ptime etime = boost::posix_time::from_time_t(request->over_time());
+            //2. 从数据库中进行消息查询
+            auto msg_lists = _mysql_message->range(chat_ssid, stime, etime);
+            if (msg_lists.empty()) {
+                response->set_request_id(rid);
+                response->set_success(true);
+                return ;
+            }
+            //3. 统计所有文件类型消息的文件ID，并从文件子服务进行批量文件下载
+            std::unordered_set<std::string> file_id_lists;
+            for (const auto &msg : msg_lists) {
+                if (msg.file_id().empty()) continue;
+                LOG_DEBUG("需要下载的文件ID： {}", msg.file_id());
+                file_id_lists.insert(msg.file_id());
+            }
+            std::unordered_map<std::string, std::string> file_data_lists;
+            bool ret = _GetFile(rid, file_id_lists, file_data_lists);
+            if (ret == false) {
+                LOG_ERROR("{} 批量文件数据下载失败！", rid);
+                return err_response(rid, "批量文件数据下载失败!");
+            }
+            //4. 统计所有消息的发送者用户ID，从用户子服务进行批量用户信息获取
+            std::unordered_set<std::string> user_id_lists; // {猪爸爸吧， 祝妈妈，猪爸爸吧，祝爸爸}
+            for (const auto &msg : msg_lists) {
+                user_id_lists.insert(msg.user_id());
+            }
+            std::unordered_map<std::string, UserInfo> user_lists;
+            ret = _GetUser(rid, user_id_lists, user_lists);
+            if (ret == false) {
+                LOG_ERROR("{} 批量用户数据获取失败！", rid);
+                return err_response(rid, "批量用户数据获取失败!");
+            }
+            //5. 组织响应
+            response->set_request_id(rid);
+            response->set_success(true);
+            for (const auto &msg : msg_lists) {
+                auto message_info = response->add_msg_list();
+                message_info->set_message_id(msg.message_id());
+                message_info->set_chat_session_id(msg.session_id());
+                message_info->set_timestamp(boost::posix_time::to_time_t(msg.create_time()));
+                message_info->mutable_sender()->CopyFrom(user_lists[msg.user_id()]);
+                switch(msg.message_type()) {
+                    case MessageType::STRING:
+                        message_info->mutable_message()->set_message_type(MessageType::STRING);
+                        message_info->mutable_message()->mutable_string_message()->set_content(msg.content());
+                        break;
+                    case MessageType::IMAGE:
+                        message_info->mutable_message()->set_message_type(MessageType::IMAGE);
+                        message_info->mutable_message()->mutable_image_message()->set_file_id(msg.file_id());
+                        message_info->mutable_message()->mutable_image_message()->set_image_content(file_data_lists[msg.file_id()]);
+                        break;
+                    case MessageType::FILE:
+                        message_info->mutable_message()->set_message_type(MessageType::FILE);
+                        message_info->mutable_message()->mutable_file_message()->set_file_id(msg.file_id());
+                        message_info->mutable_message()->mutable_file_message()->set_file_size(msg.file_size());
+                        message_info->mutable_message()->mutable_file_message()->set_file_name(msg.file_name());
+                        message_info->mutable_message()->mutable_file_message()->set_file_contents(file_data_lists[msg.file_id()]);
+                        break;
+                    case MessageType::SPEECH:
+                        message_info->mutable_message()->set_message_type(MessageType::SPEECH);
+                        message_info->mutable_message()->mutable_speech_message()->set_file_id(msg.file_id());
+                        message_info->mutable_message()->mutable_speech_message()->set_file_contents(file_data_lists[msg.file_id()]);
+                        break;
+                    default:
+                        LOG_ERROR("消息类型错误！！");
+                        return;
+                }
+            }
+            return;
+        }
+        virtual void GetRecentMsg(::google::protobuf::RpcController* controller,
+            const ::bite_im::GetRecentMsgReq* request,
+            ::bite_im::GetRecentMsgRsp* response,
+            ::google::protobuf::Closure* done) {
+            brpc::ClosureGuard rpc_guard(done);
+            auto err_response = [this, response](const std::string &rid, 
+                const std::string &errmsg) -> void {
+                response->set_request_id(rid);
+                response->set_success(false);
+                response->set_errmsg(errmsg);
+                return;
+            };
+            //1. 提取请求中的关键要素：请求ID，会话ID，要获取的消息数量
+            std::string rid = request->request_id();
+            std::string chat_ssid = request->chat_session_id();
+            int msg_count = request->msg_count();
+            //2. 从数据库，获取最近的消息元信息
+            auto msg_lists = _mysql_message->recent(chat_ssid, msg_count);
+            if (msg_lists.empty()) {
+                response->set_request_id(rid);
+                response->set_success(true);
+                return ;
+            }
+            //3. 统计所有消息中文件类型消息的文件ID列表，从文件子服务下载文件
+            std::unordered_set<std::string> file_id_lists;
+            for (const auto &msg : msg_lists) {
+                if (msg.file_id().empty()) continue;
+                LOG_DEBUG("需要下载的文件ID: {}", msg.file_id());
+                file_id_lists.insert(msg.file_id());
+            }
+            std::unordered_map<std::string, std::string> file_data_lists;
+            bool ret = _GetFile(rid, file_id_lists, file_data_lists);
+            if (ret == false) {
+                LOG_ERROR("{} 批量文件数据下载失败！", rid);
+                return err_response(rid, "批量文件数据下载失败!");
+            }
+            //4. 统计所有消息的发送者用户ID，从用户子服务进行批量用户信息获取
+            std::unordered_set<std::string> user_id_lists;
+            for (const auto &msg : msg_lists) {
+                user_id_lists.insert(msg.user_id());
+            }
+            std::unordered_map<std::string, UserInfo> user_lists;
+            ret = _GetUser(rid, user_id_lists, user_lists);
+            if (ret == false) {
+                LOG_ERROR("{} 批量用户数据获取失败！", rid);
+                return err_response(rid, "批量用户数据获取失败!");
+            }
+            //5. 组织响应
+            response->set_request_id(rid);
+            response->set_success(true);
+            for (const auto &msg : msg_lists) {
+                auto message_info = response->add_msg_list();
+                message_info->set_message_id(msg.message_id());
+                message_info->set_chat_session_id(msg.session_id());
+                message_info->set_timestamp(boost::posix_time::to_time_t(msg.create_time()));
+                message_info->mutable_sender()->CopyFrom(user_lists[msg.user_id()]);
+                switch(msg.message_type()) {
+                    case MessageType::STRING:
+                        message_info->mutable_message()->set_message_type(MessageType::STRING);
+                        message_info->mutable_message()->mutable_string_message()->set_content(msg.content());
+                        break;
+                    case MessageType::IMAGE:
+                        message_info->mutable_message()->set_message_type(MessageType::IMAGE);
+                        message_info->mutable_message()->mutable_image_message()->set_file_id(msg.file_id());
+                        message_info->mutable_message()->mutable_image_message()->set_image_content(file_data_lists[msg.file_id()]);
+                        break;
+                    case MessageType::FILE:
+                        message_info->mutable_message()->set_message_type(MessageType::FILE);
+                        message_info->mutable_message()->mutable_file_message()->set_file_id(msg.file_id());
+                        message_info->mutable_message()->mutable_file_message()->set_file_size(msg.file_size());
+                        message_info->mutable_message()->mutable_file_message()->set_file_name(msg.file_name());
+                        message_info->mutable_message()->mutable_file_message()->set_file_contents(file_data_lists[msg.file_id()]);
+                        break;
+                    case MessageType::SPEECH:
+                        message_info->mutable_message()->set_message_type(MessageType::SPEECH);
+                        message_info->mutable_message()->mutable_speech_message()->set_file_id(msg.file_id());
+                        message_info->mutable_message()->mutable_speech_message()->set_file_contents(file_data_lists[msg.file_id()]);
+                        break;
+                    default:
+                        LOG_ERROR("消息类型错误！！");
+                        return;
+                }
+            }
+            return;
+        }
+        virtual void MsgSearch(::google::protobuf::RpcController* controller,
+            const ::bite_im::MsgSearchReq* request,
+            ::bite_im::MsgSearchRsp* response,
+            ::google::protobuf::Closure* done) {
+            brpc::ClosureGuard rpc_guard(done);
+            auto err_response = [this, response](const std::string &rid, 
+                const std::string &errmsg) -> void {
+                response->set_request_id(rid);
+                response->set_success(false);
+                response->set_errmsg(errmsg);
+                return;
+            };
+            //关键字的消息搜索--只针对文本消息
+            //1. 从请求中提取关键要素：请求ID，会话ID, 关键字
+            std::string rid = request->request_id();
+            std::string chat_ssid = request->chat_session_id();
+            std::string skey = request->search_key();
+            //2. 从ES搜索引擎中进行关键字消息搜索，得到消息列表
+            auto msg_lists = _es_message->search(skey, chat_ssid);
+            if (msg_lists.empty()) {
+                response->set_request_id(rid);
+                response->set_success(true);
+                return ;
+            }
+            //3. 组织所有消息的用户ID，从用户子服务获取用户信息
+            std::unordered_set<std::string> user_id_lists;
+            for (const auto &msg : msg_lists) {
+                user_id_lists.insert(msg.user_id());
+            }
+            std::unordered_map<std::string, UserInfo> user_lists;
+            bool ret = _GetUser(rid, user_id_lists, user_lists);
+            if (ret == false) {
+                LOG_ERROR("{} 批量用户数据获取失败！", rid);
+                return err_response(rid, "批量用户数据获取失败!");
+            }
+            //4. 组织响应 
+            response->set_request_id(rid);
+            response->set_success(true);
+            for (const auto &msg : msg_lists) {
+                auto message_info = response->add_msg_list();
+                message_info->set_message_id(msg.message_id());
+                message_info->set_chat_session_id(msg.session_id());
+                message_info->set_timestamp(boost::posix_time::to_time_t(msg.create_time()));
+                message_info->mutable_sender()->CopyFrom(user_lists[msg.user_id()]);
+                message_info->mutable_message()->set_message_type(MessageType::STRING);
+                message_info->mutable_message()->mutable_string_message()->set_content(msg.content());
+            }
+            return;
+        }
+
+        //rabbitmq获得消息
+        void onMessage(const char *body, size_t sz) {
+            LOG_DEBUG("收到新消息，进行存储处理！");
+            //1. 取出序列化的消息内容，进行反序列化
+            bite_im::MessageInfo message;
+            bool ret = message.ParseFromArray(body, sz);
+            if (ret == false) {
+                LOG_ERROR("对消费到的消息进行反序列化失败！");
+                return;
+            }
+            //2. 根据不同的消息类型进行不同的处理
+            std::string file_id, file_name, content;
+            int64_t file_size;
+            switch(message.message().message_type()) {
+                //  1. 如果是一个文本类型消息，取元信息存储到ES中
+                case MessageType::STRING:
+                    content = message.message().string_message().content();
+                    ret = _es_message->appendData(
+                        message.sender().user_id(),
+                        message.message_id(),
+                        message.timestamp(),
+                        message.chat_session_id(),
+                        content);
+                    if (ret == false) {
+                        LOG_ERROR("文本消息向存储引擎进行存储失败！");
+                        return;
+                    }
+                    break;
+                //  2. 如果是一个图片/语音/文件消息，则取出数据存储到文件子服务中，并获取文件ID
+                case MessageType::IMAGE:
+                    {
+                        const auto &msg = message.message().image_message();
+                        ret = _PutFile("", msg.image_content(), msg.image_content().size(), file_id);
+                        if (ret == false) {
+                            LOG_ERROR("上传图片到文件子服务失败！");
+                            return ;
+                        }
+                    }
+                    break;
+                case MessageType::FILE:
+                    {
+                        const auto &msg = message.message().file_message();
+                        file_name = msg.file_name();
+                        file_size = msg.file_size();
+                        ret = _PutFile(file_name, msg.file_contents(), file_size, file_id);
+                        if (ret == false) {
+                            LOG_ERROR("上传文件到文件子服务失败！");
+                            return ;
+                        }
+                    }
+                    break;
+                case MessageType::SPEECH:
+                    {
+                        const auto &msg = message.message().speech_message();
+                        ret = _PutFile("", msg.file_contents(), msg.file_contents().size(), file_id);
+                        if (ret == false) {
+                            LOG_ERROR("上传语音到文件子服务失败！");
+                            return ;
+                        }
+                    }
+                    break;
+                default:
+                    LOG_ERROR("消息类型错误！");
+                    return;
+            }
+            //3. 提取消息的元信息，存储到mysql数据库中
+            bite_im::Message msg(message.message_id(), 
+                message.chat_session_id(),
+                message.sender().user_id(),
+                message.message().message_type(),
+                boost::posix_time::from_time_t(message.timestamp()));
+            msg.content(content);
+            msg.file_id(file_id);
+            msg.file_name(file_name);
+            msg.file_size(file_size);
+            ret = _mysql_message->insert(msg);
+            if (ret == false) {
+                LOG_ERROR("向数据库插入新消息失败！");
+                return;
+            }
+        }
+    private:
+        bool _GetUser(const std::string &rid,
+            const std::unordered_set<std::string> &user_id_lists,
+            std::unordered_map<std::string, UserInfo> &user_lists) {
+            auto channel = _mm_channels->choose(_user_service_name);
+            if (!channel) {
+                LOG_ERROR("{} 没有可供访问的用户子服务节点！",  _user_service_name);
+                return false;
+            }
+            UserService_Stub stub(channel.get());
+            GetMultiUserInfoReq req;
+            GetMultiUserInfoRsp rsp;
+            req.set_request_id(rid);
+            for (const auto &id : user_id_lists) {
+                req.add_users_id(id);
+            }
+            brpc::Controller cntl;
+            stub.GetMultiUserInfo(&cntl, &req, &rsp, nullptr);
+            if (cntl.Failed() == true || rsp.success() == false) {
+                LOG_ERROR("用户子服务调用失败：{}！", cntl.ErrorText());
+                return false;
+            }
+            const auto &umap = rsp.users_info();
+            for (auto it = umap.begin(); it != umap.end(); ++it) {
+                user_lists.insert(std::make_pair(it->first, it->second));
+            }
+            return true;
+        }
+        bool _GetFile(const std::string &rid,
+            const std::unordered_set<std::string> &file_id_lists,
+            std::unordered_map<std::string, std::string> &file_data_lists) {
+            auto channel = _mm_channels->choose(_file_service_name);
+            if (!channel) {
+                LOG_ERROR("{} 没有可供访问的文件子服务节点！",  _file_service_name);
+                return false;
+            }
+            FileService_Stub stub(channel.get());
+            GetMultiFileReq req;
+            GetMultiFileRsp rsp;
+            req.set_request_id(rid);
+            for (const auto &id : file_id_lists) {
+                req.add_file_id_list(id);
+            }
+            brpc::Controller cntl;
+            stub.GetMultiFile(&cntl, &req, &rsp, nullptr);
+            if (cntl.Failed() == true || rsp.success() == false) {
+                LOG_ERROR("文件子服务调用失败：{}！", cntl.ErrorText());
+                return false;
+            }
+            const auto &fmap = rsp.file_data();
+            for (auto it = fmap.begin(); it != fmap.end(); ++it) {
+                file_data_lists.insert(std::make_pair(it->first, it->second.file_content()));
+            }
+            return true;
+        }
+        bool _PutFile(const std::string &filename,
+            const std::string &body, 
+            const int64_t fsize,
+            std::string &file_id) {
+            //实现文件数据的上传
+            auto channel = _mm_channels->choose(_file_service_name);
+            if (!channel) {
+                LOG_ERROR("{} 没有可供访问的文件子服务节点！",  _file_service_name);
+                return false;
+            }
+            FileService_Stub stub(channel.get());
+            PutSingleFileReq req;
+            PutSingleFileRsp rsp;
+            req.mutable_file_data()->set_file_name(filename);
+            req.mutable_file_data()->set_file_size(fsize);
+            req.mutable_file_data()->set_file_content(body);
+            brpc::Controller cntl;
+            stub.PutSingleFile(&cntl, &req, &rsp, nullptr);
+            if (cntl.Failed() == true || rsp.success() == false) {
+                LOG_ERROR("文件子服务调用失败：{}！", cntl.ErrorText());
+                return false;
+            }
+            file_id = rsp.file_info().file_id();
+            return true;
+        }
+    private:
+        ESMessage::ptr _es_message;
+        MessageTable::ptr _mysql_message;
+        //这边是rpc调用客户端相关对象
+        std::string _user_service_name;
+        std::string _file_service_name;
+        ServiceManager::ptr _mm_channels;
+};
+
+class MessageServer {
+    public:
+        using ptr = std::shared_ptr<MessageServer>;
+        MessageServer(const MQClient::ptr &mq_client,
+            const Discovery::ptr service_discoverer, 
+            const Registry::ptr &reg_client,
+            const std::shared_ptr<elasticlient::Client> &es_client,
+            const std::shared_ptr<odb::core::database> &mysql_client,
+            const std::shared_ptr<brpc::Server> &server):
+            _mq_client(mq_client),
+            _service_discoverer(service_discoverer),
+            _registry_client(reg_client),
+            _es_client(es_client),
+            _mysql_client(mysql_client),
+            _rpc_server(server){}
+        ~MessageServer(){}
+        //搭建RPC服务器，并启动服务器
+        void start() {
+            _rpc_server->RunUntilAskedToQuit();
+        }
+    private:
+        Discovery::ptr _service_discoverer;
+        Registry::ptr _registry_client;
+        MQClient::ptr _mq_client;
+        std::shared_ptr<elasticlient::Client> _es_client;
+        std::shared_ptr<odb::core::database> _mysql_client;
+        std::shared_ptr<brpc::Server> _rpc_server;
+};
+
+class MessageServerBuilder {
+    public:
+        //构造es客户端对象
+        void make_es_object(const std::vector<std::string> host_list) {
+            _es_client = ESClientFactory::create(host_list);
+        }
+        //构造mysql客户端对象
+        void make_mysql_object(
+            const std::string &user,
+            const std::string &pswd,
+            const std::string &host,
+            const std::string &db,
+            const std::string &cset,
+            int port,
+            int conn_pool_count) {
+            _mysql_client = ODBFactory::create(user, pswd, host, db, cset, port, conn_pool_count);
+        }
+        //用于构造服务发现客户端&信道管理对象
+        void make_discovery_object(const std::string &reg_host,
+            const std::string &base_service_name,
+            const std::string &file_service_name,
+            const std::string &user_service_name) {
+            _user_service_name = user_service_name;
+            _file_service_name = file_service_name;
+            _mm_channels = std::make_shared<ServiceManager>();
+            _mm_channels->declared(file_service_name);
+            _mm_channels->declared(user_service_name);
+            LOG_DEBUG("设置文件子服务为需添加管理的子服务：{}", file_service_name);
+            auto put_cb = std::bind(&ServiceManager::onServiceOnline, _mm_channels.get(), std::placeholders::_1, std::placeholders::_2);
+            auto del_cb = std::bind(&ServiceManager::onServiceOffline, _mm_channels.get(), std::placeholders::_1, std::placeholders::_2);
+            _service_discoverer = std::make_shared<Discovery>(reg_host, base_service_name, put_cb, del_cb);
+        }
+        //用于构造服务注册客户端对象
+        void make_registry_object(const std::string &reg_host,
+            const std::string &service_name,
+            const std::string &access_host) {
+            _registry_client = std::make_shared<Registry>(reg_host);
+            _registry_client->registry(service_name, access_host);
+        }
+        //用于构造消息队列客户端对象
+        void make_mq_object(const std::string &user, 
+            const std::string &passwd,
+            const std::string &host,
+            const std::string &exchange_name,
+            const std::string &queue_name,
+            const std::string &binding_key) {
+            _exchange_name = exchange_name;
+            _queue_name = queue_name;
+            _mq_client = std::make_shared<MQClient>(user, passwd, host);
+            _mq_client->declareComponents(exchange_name, queue_name, binding_key);
+        }
+        void make_rpc_server(uint16_t port, int32_t timeout, uint8_t num_threads) {
+            if (!_es_client) {
+                LOG_ERROR("还未初始化ES搜索引擎模块！");
+                abort();
+            }
+            if (!_mysql_client) {
+                LOG_ERROR("还未初始化Mysql数据库模块！");
+                abort();
+            }
+            if (!_mm_channels) {
+                LOG_ERROR("还未初始化信道管理模块！");
+                abort();
+            }
+            _rpc_server = std::make_shared<brpc::Server>();
+
+            MessageServiceImpl *msg_service = new MessageServiceImpl(_es_client,
+                _mysql_client, _mm_channels, _file_service_name, _user_service_name);
+            int ret = _rpc_server->AddService(msg_service, 
+                brpc::ServiceOwnership::SERVER_OWNS_SERVICE);
+            if (ret == -1) {
+                LOG_ERROR("添加Rpc服务失败！");
+                abort();
+            }
+            brpc::ServerOptions options;
+            options.idle_timeout_sec = timeout;
+            options.num_threads = num_threads;
+            ret = _rpc_server->Start(port, &options);
+            if (ret == -1) {
+                LOG_ERROR("服务启动失败！");
+                abort();
+            }
+            
+            auto callback = std::bind(&MessageServiceImpl::onMessage, msg_service, 
+                std::placeholders::_1, std::placeholders::_2);
+            _mq_client->consume(_queue_name, callback);
+        }
+        //构造RPC服务器对象
+        MessageServer::ptr build() {
+            if (!_service_discoverer) {
+                LOG_ERROR("还未初始化服务发现模块！");
+                abort();
+            }
+            if (!_registry_client) {
+                LOG_ERROR("还未初始化服务注册模块！");
+                abort();
+            }
+            if (!_rpc_server) {
+                LOG_ERROR("还未初始化RPC服务器模块！");
+                abort();
+            }
+
+            MessageServer::ptr server = std::make_shared<MessageServer>(
+                _mq_client, _service_discoverer, _registry_client,
+                _es_client, _mysql_client, _rpc_server);
+            return server;
+        }
+    private:
+        Registry::ptr _registry_client;
+
+        std::shared_ptr<elasticlient::Client> _es_client;
+        std::shared_ptr<odb::core::database> _mysql_client;
+
+        std::string _user_service_name;
+        std::string _file_service_name;
+        ServiceManager::ptr _mm_channels;
+        Discovery::ptr _service_discoverer;
+
+        std::string _exchange_name;
+        std::string _queue_name;
+        MQClient::ptr _mq_client;
+
+        std::shared_ptr<brpc::Server> _rpc_server;
+};
+}