| /* |
| * libjingle |
| * Copyright 2011 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef TALK_EXAMPLES_PEERCONNECTION_SERVER_PEER_CHANNEL_H_ |
| #define TALK_EXAMPLES_PEERCONNECTION_SERVER_PEER_CHANNEL_H_ |
| #pragma once |
| |
| #include <time.h> |
| |
| #include <queue> |
| #include <string> |
| #include <vector> |
| |
| class DataSocket; |
| |
| // Represents a single peer connected to the server. |
| class ChannelMember { |
| public: |
| explicit ChannelMember(DataSocket* socket); |
| ~ChannelMember(); |
| |
| bool connected() const { return connected_; } |
| int id() const { return id_; } |
| void set_disconnected() { connected_ = false; } |
| bool is_wait_request(DataSocket* ds) const; |
| const std::string& name() const { return name_; } |
| |
| bool TimedOut(); |
| |
| std::string GetPeerIdHeader() const; |
| |
| bool NotifyOfOtherMember(const ChannelMember& other); |
| |
| // Returns a string in the form "name,id\n". |
| std::string GetEntry() const; |
| |
| void ForwardRequestToPeer(DataSocket* ds, ChannelMember* peer); |
| |
| void OnClosing(DataSocket* ds); |
| |
| void QueueResponse(const std::string& status, const std::string& content_type, |
| const std::string& extra_headers, const std::string& data); |
| |
| void SetWaitingSocket(DataSocket* ds); |
| |
| protected: |
| struct QueuedResponse { |
| std::string status, content_type, extra_headers, data; |
| }; |
| |
| DataSocket* waiting_socket_; |
| int id_; |
| bool connected_; |
| time_t timestamp_; |
| std::string name_; |
| std::queue<QueuedResponse> queue_; |
| static int s_member_id_; |
| }; |
| |
| // Manages all currently connected peers. |
| class PeerChannel { |
| public: |
| typedef std::vector<ChannelMember*> Members; |
| |
| PeerChannel() { |
| } |
| |
| ~PeerChannel() { |
| DeleteAll(); |
| } |
| |
| const Members& members() const { return members_; } |
| |
| // Returns true if the request should be treated as a new ChannelMember |
| // request. Otherwise the request is not peerconnection related. |
| static bool IsPeerConnection(const DataSocket* ds); |
| |
| // Finds a connected peer that's associated with the |ds| socket. |
| ChannelMember* Lookup(DataSocket* ds) const; |
| |
| // Checks if the request has a "peer_id" parameter and if so, looks up the |
| // peer for which the request is targeted at. |
| ChannelMember* IsTargetedRequest(const DataSocket* ds) const; |
| |
| // Adds a new ChannelMember instance to the list of connected peers and |
| // associates it with the socket. |
| bool AddMember(DataSocket* ds); |
| |
| // Closes all connections and sends a "shutting down" message to all |
| // connected peers. |
| void CloseAll(); |
| |
| // Called when a socket was determined to be closing by the peer (or if the |
| // connection went dead). |
| void OnClosing(DataSocket* ds); |
| |
| void CheckForTimeout(); |
| |
| protected: |
| void DeleteAll(); |
| void BroadcastChangedState(const ChannelMember& member, |
| Members* delivery_failures); |
| void HandleDeliveryFailures(Members* failures); |
| |
| // Builds a simple list of "name,id\n" entries for each member. |
| std::string BuildResponseForNewMember(const ChannelMember& member, |
| std::string* content_type); |
| |
| protected: |
| Members members_; |
| }; |
| |
| #endif // TALK_EXAMPLES_PEERCONNECTION_SERVER_PEER_CHANNEL_H_ |