2011-05-30 14:15:30 +02:00
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef PEERCONNECTION_SAMPLES_SERVER_PEER_CHANNEL_H_
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#define PEERCONNECTION_SAMPLES_SERVER_PEER_CHANNEL_H_
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#pragma once
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#include <time.h>
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#include <queue>
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#include <string>
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#include <vector>
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class DataSocket;
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// Represents a single peer connected to the server.
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class ChannelMember {
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public:
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explicit ChannelMember(DataSocket* socket);
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~ChannelMember();
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bool connected() const { return connected_; }
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int id() const { return id_; }
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void set_disconnected() { connected_ = false; }
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2011-10-10 11:51:52 +02:00
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bool is_wait_request(DataSocket* ds) const;
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2011-05-30 14:15:30 +02:00
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const std::string& name() const { return name_; }
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bool TimedOut();
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std::string GetPeerIdHeader() const;
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bool NotifyOfOtherMember(const ChannelMember& other);
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// Returns a string in the form "name,id\n".
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std::string GetEntry() const;
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void ForwardRequestToPeer(DataSocket* ds, ChannelMember* peer);
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void OnClosing(DataSocket* ds);
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void QueueResponse(const std::string& status, const std::string& content_type,
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const std::string& extra_headers, const std::string& data);
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void SetWaitingSocket(DataSocket* ds);
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protected:
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struct QueuedResponse {
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std::string status, content_type, extra_headers, data;
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};
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DataSocket* waiting_socket_;
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int id_;
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bool connected_;
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time_t timestamp_;
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std::string name_;
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std::queue<QueuedResponse> queue_;
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static int s_member_id_;
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};
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// Manages all currently connected peers.
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class PeerChannel {
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public:
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typedef std::vector<ChannelMember*> Members;
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PeerChannel() {
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}
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~PeerChannel() {
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DeleteAll();
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}
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const Members& members() const { return members_; }
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// Returns true if the request should be treated as a new ChannelMember
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// request. Otherwise the request is not peerconnection related.
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static bool IsPeerConnection(const DataSocket* ds);
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// Finds a connected peer that's associated with the |ds| socket.
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ChannelMember* Lookup(DataSocket* ds) const;
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// Checks if the request has a "peer_id" parameter and if so, looks up the
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// peer for which the request is targeted at.
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ChannelMember* IsTargetedRequest(const DataSocket* ds) const;
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// Adds a new ChannelMember instance to the list of connected peers and
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// associates it with the socket.
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bool AddMember(DataSocket* ds);
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// Closes all connections and sends a "shutting down" message to all
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// connected peers.
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void CloseAll();
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// Called when a socket was determined to be closing by the peer (or if the
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// connection went dead).
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void OnClosing(DataSocket* ds);
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void CheckForTimeout();
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protected:
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void DeleteAll();
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void BroadcastChangedState(const ChannelMember& member,
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Members* delivery_failures);
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void HandleDeliveryFailures(Members* failures);
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// Builds a simple list of "name,id\n" entries for each member.
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std::string BuildResponseForNewMember(const ChannelMember& member,
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std::string* content_type);
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protected:
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Members members_;
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};
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#endif // PEERCONNECTION_SAMPLES_SERVER_PEER_CHANNEL_H_
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