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1 /* |
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2 * Hedgewars, a free turn based strategy game |
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3 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com> |
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4 * |
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5 * This program is free software; you can redistribute it and/or |
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6 * modify it under the terms of the GNU General Public License |
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7 * as published by the Free Software Foundation; either version 2 |
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8 * of the License, or (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program; if not, write to the Free Software |
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 */ |
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19 |
1 package org.hedgewars.hedgeroid; |
20 package org.hedgewars.hedgeroid; |
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21 |
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22 import java.net.ConnectException; |
2 |
23 |
3 import org.hedgewars.hedgeroid.Datastructures.GameConfig; |
24 import org.hedgewars.hedgeroid.Datastructures.GameConfig; |
4 import org.hedgewars.hedgeroid.frontlib.Flib; |
25 import org.hedgewars.hedgeroid.frontlib.Flib; |
5 import org.hedgewars.hedgeroid.frontlib.Frontlib; |
26 import org.hedgewars.hedgeroid.frontlib.Frontlib; |
6 import org.hedgewars.hedgeroid.frontlib.Frontlib.BytesCallback; |
27 import org.hedgewars.hedgeroid.frontlib.Frontlib.BytesCallback; |
21 import android.util.Log; |
42 import android.util.Log; |
22 |
43 |
23 import com.sun.jna.Memory; |
44 import com.sun.jna.Memory; |
24 import com.sun.jna.Pointer; |
45 import com.sun.jna.Pointer; |
25 |
46 |
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47 /** |
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48 * This class handles both talking to the engine (IPC) for running a game, and |
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49 * coordinating with the netconn if it is a netgame, using the frontlib for the |
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50 * actual IPC networking communication. |
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51 * |
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52 * After creating the GameConnection object, it will communicate with the engine |
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53 * on its own thread. It shuts itself down as soon as the connection to the engine |
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54 * is lost. |
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55 */ |
26 public final class GameConnection { |
56 public final class GameConnection { |
27 private static final Handler mainHandler = new Handler(Looper.getMainLooper()); |
57 private static final Handler mainHandler = new Handler(Looper.getMainLooper()); |
28 |
58 |
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59 public final int port; |
29 private final HandlerThread thread; |
60 private final HandlerThread thread; |
30 private final Handler handler; |
61 private final Handler handler; |
31 private final TickHandler tickHandler; |
62 private TickHandler tickHandler; |
32 private final Netplay netplay; // ==null if not a netgame |
63 private final Netplay netplay; // ==null if not a netgame |
33 private GameconnPtr conn; |
64 private GameconnPtr conn; |
34 |
65 |
35 /** |
66 private GameConnection(GameconnPtr conn, Netplay netplay) { |
36 * The actual connection has to be set up on a separate thread because networking |
67 this.conn = conn; |
37 * is not allowed on the UI thread, so the port can't be queried immediately after |
68 this.port = Flib.INSTANCE.flib_gameconn_getport(conn); |
38 * creating the GameConnection object. Instead, one of these interface methods is |
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39 * called once we know which port we are listening on (or once we fail to set this up). |
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40 * Methods will be called on the UI thread. |
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41 */ |
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42 public static interface Listener { |
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43 /** |
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44 * We are listening for the engine at $port, go start the engine. |
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45 */ |
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46 void gameConnectionReady(int port); |
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47 |
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48 /** |
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49 * The connection has stopped, either because the game has ended or was interrupted, |
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50 * or maybe we failed to create the connection at all (in that case gameConnectionReady wasn't called). |
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51 */ |
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52 void gameConnectionDisconnected(int reason); |
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53 } |
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54 |
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55 private GameConnection(Netplay netplay) { |
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56 this.netplay = netplay; |
69 this.netplay = netplay; |
57 thread = new HandlerThread("IPCThread"); |
70 this.thread = new HandlerThread("IPCThread"); |
58 thread.start(); |
71 thread.start(); |
59 handler = new Handler(thread.getLooper()); |
72 this.handler = new Handler(thread.getLooper()); |
60 tickHandler = new TickHandler(thread.getLooper(), 50, new Runnable() { |
73 } |
61 public void run() { |
74 |
62 if(conn != null) { |
75 private void setupConnection() { |
63 Flib.INSTANCE.flib_gameconn_tick(conn); |
76 tickHandler = new TickHandler(thread.getLooper(), 50, tickCb); |
64 } |
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65 } |
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66 }); |
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67 tickHandler.start(); |
77 tickHandler.start(); |
68 } |
78 |
69 |
79 if(netplay != null) { |
70 public static GameConnection forNetgame(final GameConfig config, Netplay netplay, final Listener listener) { |
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71 final GameConnection result = new GameConnection(netplay); |
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72 final String playerName = netplay.getPlayerName(); |
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73 result.handler.post(new Runnable() { |
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74 public void run() { |
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75 GameconnPtr conn = Flib.INSTANCE.flib_gameconn_create(playerName, GameSetupPtr.createJavaOwned(config), true); |
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76 result.setupConnection(conn, true, listener); |
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77 } |
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78 }); |
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79 return result; |
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80 } |
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81 |
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82 public static GameConnection forLocalGame(final GameConfig config, final Listener listener) { |
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83 final GameConnection result = new GameConnection(null); |
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84 result.handler.post(new Runnable() { |
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85 public void run() { |
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86 GameconnPtr conn = Flib.INSTANCE.flib_gameconn_create("Player", GameSetupPtr.createJavaOwned(config), false); |
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87 result.setupConnection(conn, false, listener); |
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88 } |
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89 }); |
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90 return result; |
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91 } |
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92 |
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93 // runs on the IPCThread |
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94 private void setupConnection(GameconnPtr conn, final boolean netgame, final Listener listener) { |
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95 if(conn == null) { |
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96 mainHandler.post(new Runnable() { |
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97 public void run() { listener.gameConnectionDisconnected(Frontlib.GAME_END_ERROR); } |
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98 }); |
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99 shutdown(); |
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100 } else { |
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101 this.conn = conn; |
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102 final int port = Flib.INSTANCE.flib_gameconn_getport(conn); |
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103 mainHandler.post(new Runnable() { |
80 mainHandler.post(new Runnable() { |
104 public void run() { |
81 public void run() { |
105 listener.gameConnectionReady(port); |
82 netplay.registerGameMessageListener(gameMessageListener); |
106 if(netgame) { |
83 } |
107 netplay.registerGameMessageListener(gameMessageListener); |
84 }); |
108 } |
85 Flib.INSTANCE.flib_gameconn_onChat(conn, chatCb, null); |
109 } |
86 Flib.INSTANCE.flib_gameconn_onEngineMessage(conn, engineMessageCb, null); |
110 }); |
87 } |
111 Flib.INSTANCE.flib_gameconn_onConnect(conn, connectCb, null); |
88 Flib.INSTANCE.flib_gameconn_onConnect(conn, connectCb, null); |
112 Flib.INSTANCE.flib_gameconn_onDisconnect(conn, disconnectCb, null); |
89 Flib.INSTANCE.flib_gameconn_onDisconnect(conn, disconnectCb, null); |
113 Flib.INSTANCE.flib_gameconn_onErrorMessage(conn, errorMessageCb, null); |
90 Flib.INSTANCE.flib_gameconn_onErrorMessage(conn, errorMessageCb, null); |
114 if(netgame) { |
91 } |
115 Flib.INSTANCE.flib_gameconn_onChat(conn, chatCb, null); |
92 |
116 Flib.INSTANCE.flib_gameconn_onEngineMessage(conn, engineMessageCb, null); |
93 /** |
117 } |
94 * Start a new IPC server to communicate with the engine. |
118 } |
95 * Performs networking operations, don't run on the UI thread. |
119 } |
96 * @throws ConnectException if we can't set up the IPC server |
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97 */ |
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98 public static GameConnection forNetgame(final GameConfig config, Netplay netplay) throws ConnectException { |
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99 final String playerName = netplay.getPlayerName(); |
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100 GameconnPtr conn = Flib.INSTANCE.flib_gameconn_create(playerName, GameSetupPtr.createJavaOwned(config), true); |
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101 if(conn == null) { |
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102 throw new ConnectException(); |
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103 } |
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104 GameConnection result = new GameConnection(conn, netplay); |
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105 result.setupConnection(); |
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106 return result; |
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107 } |
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108 |
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109 /** |
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110 * Start a new IPC server to communicate with the engine. |
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111 * Performs networking operations, don't run on the UI thread. |
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112 * @throws ConnectException if we can't set up the IPC server |
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113 */ |
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114 public static GameConnection forLocalGame(final GameConfig config) throws ConnectException { |
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115 GameconnPtr conn = Flib.INSTANCE.flib_gameconn_create("Player", GameSetupPtr.createJavaOwned(config), false); |
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116 if(conn == null) { |
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117 throw new ConnectException(); |
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118 } |
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119 GameConnection result = new GameConnection(conn, null); |
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120 result.setupConnection(); |
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121 return result; |
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122 } |
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123 |
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124 private final Runnable tickCb = new Runnable() { |
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125 public void run() { |
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126 Flib.INSTANCE.flib_gameconn_tick(conn); |
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127 } |
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128 }; |
120 |
129 |
121 // runs on the IPCThread |
130 // runs on the IPCThread |
122 private void shutdown() { |
131 private void shutdown() { |
123 tickHandler.stop(); |
132 tickHandler.stop(); |
124 thread.quit(); |
133 thread.quit(); |
125 Flib.INSTANCE.flib_gameconn_destroy(conn); |
134 Flib.INSTANCE.flib_gameconn_destroy(conn); |
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135 conn = null; |
126 if(netplay != null) { |
136 if(netplay != null) { |
127 mainHandler.post(new Runnable() { |
137 mainHandler.post(new Runnable() { |
128 public void run() { |
138 public void run() { |
129 netplay.unregisterGameMessageListener(gameMessageListener); |
139 netplay.unregisterGameMessageListener(gameMessageListener); |
130 } |
140 } |