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87 lines
1.8 KiB
C++
87 lines
1.8 KiB
C++
/*
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Copyright (c) 2019 Sogou, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Authors: Wu Jiaxu (wujiaxu@sogou-inc.com)
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*/
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#ifndef _ROUTEMANAGER_H_
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#define _ROUTEMANAGER_H_
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <string>
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#include <mutex>
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#include "rbtree.h"
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#include "WFConnection.h"
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#include "EndpointParams.h"
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#include "CommScheduler.h"
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class RouteManager
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{
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public:
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class RouteResult
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{
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public:
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void *cookie;
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CommSchedObject *request_object;
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public:
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RouteResult(): cookie(NULL), request_object(NULL) { }
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void clear() { cookie = NULL; request_object = NULL; }
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};
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class RouteTarget : public CommSchedTarget
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{
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public:
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int state;
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private:
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virtual WFConnection *new_connection(int connect_fd)
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{
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return new WFConnection;
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}
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public:
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RouteTarget() : state(0) { }
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};
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public:
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int get(TransportType type,
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const struct addrinfo *addrinfo,
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const std::string& other_info,
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const struct EndpointParams *endpoint_params,
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const std::string& hostname,
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RouteResult& result);
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RouteManager()
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{
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cache_.rb_node = NULL;
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}
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~RouteManager();
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private:
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std::mutex mutex_;
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struct rb_root cache_;
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public:
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static void notify_unavailable(void *cookie, CommTarget *target);
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static void notify_available(void *cookie, CommTarget *target);
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};
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#endif
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