sources/network/rconsession.cpp

Sun, 14 Dec 2014 17:53:24 +0200

author
Teemu Piippo <crimsondusk64@gmail.com>
date
Sun, 14 Dec 2014 17:53:24 +0200
changeset 15
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parent 14
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child 17
50341dec533e
permissions
-rw-r--r--

- log area done, re-enabled the rcon connection

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1 #include "rconsession.h"
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2
15
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3 RCONSession* g_rconSession = nullptr;
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4
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5 // -------------------------------------------------------------------------------------------------
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6 //
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7 RCONSession::RCONSession() :
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8 m_state (RCON_DISCONNECTED),
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9 m_lastPing (0)
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10 {
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11 if (g_rconSession != NULL)
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12 {
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13 g_rconSession->disconnect();
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14 delete g_rconSession;
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15 }
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16
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17 g_rconSession = this;
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18
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19 if (not m_socket.set_blocking (false))
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20 {
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21 // TODO: find a better way to deal with errors
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22 print ("unable to set socket as non-blocking: %s\n",
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23 m_socket.error_string().chars());
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24 }
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25 }
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26
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27 // -------------------------------------------------------------------------------------------------
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28 //
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29 RCONSession::~RCONSession()
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30 {
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31 if (g_rconSession == this)
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32 g_rconSession = nullptr;
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33 }
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34
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35 // -------------------------------------------------------------------------------------------------
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36 //
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37 METHOD
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38 RCONSession::connect (IPAddress address) -> void
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39 {
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40 m_address = address;
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41 m_state = RCON_CONNECTING;
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42 }
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43
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44 // -------------------------------------------------------------------------------------------------
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45 //
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46 METHOD
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47 RCONSession::disconnect() -> void
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48 {
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49 if (m_state == RCON_CONNECTED)
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50 {
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51 // Say goodbye to remote
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52 Bytestream packet;
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53 packet.write_byte (CLRC_DISCONNECT);
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54 this->send (packet);
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55 }
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56
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57 m_state = RCON_DISCONNECTED;
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58 }
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59
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60 // -------------------------------------------------------------------------------------------------
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61 //
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62 METHOD
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63 RCONSession::send (const Bytestream& packet) -> void
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64 {
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65 m_socket.send (m_address, packet);
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66 }
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67
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68 // -------------------------------------------------------------------------------------------------
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69 //
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70 METHOD
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71 RCONSession::tick() -> void
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72 {
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73 time_t now;
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74 time (&now);
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75
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76 if (m_lastPing < now)
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77 {
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78 if (m_state == RCON_CONNECTING)
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79 {
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80 send_hello();
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81 }
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82 else if (m_state == RCON_AUTHENTICATING)
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83 {
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84 send_password();
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85 }
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86 else if (m_state == RCON_CONNECTED and m_lastPing + 5 < now)
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87 {
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88 Bytestream packet;
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89 packet.write_byte (CLRC_PONG);
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90 send (packet);
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91 bump_last_ping();
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92 }
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93 }
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94
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95 for (Datagram datagram; m_socket.read (datagram);)
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96 handle_packet (datagram.data, datagram.from);
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97 }
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98
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99 // -------------------------------------------------------------------------------------------------
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100 //
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101 METHOD
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102 RCONSession::handle_packet (Bytestream& packet, const IPAddress& from) -> void
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103 {
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104 print ("Processing packet of %1 bytes\n", packet.written_length());
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105
13
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106 try
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107 {
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108 while (packet.bytes_left() > 0)
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109 {
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110 int header = packet.read_byte();
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111 print ("Recieved packet with header %1\n", header);
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112
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113 switch (ServerResponse (header))
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114 {
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115 case SVRC_OLDPROTOCOL:
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116 print ("wrong version\n");
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117 m_state = RCON_DISCONNECTED;
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118 break;
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119
13
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120 case SVRC_BANNED:
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121 print ("you're banned\n");
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122 m_state = RCON_DISCONNECTED;
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123 break;
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124
13
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125 case SVRC_SALT:
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126 {
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127 String salt = packet.read_string();
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128 m_salt = salt;
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129 m_state = RCON_AUTHENTICATING;
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130 send_password();
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131 }
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132 break;
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133
13
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134 case SVRC_INVALIDPASSWORD:
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135 print ("bad password\n");
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136 m_state = RCON_DISCONNECTED;
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137 break;
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138
13
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139 case SVRC_MESSAGE:
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140 {
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141 String message = packet.read_string();
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142 if (message.ends_with ("\n"))
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143 message.remove_from_end (1);
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diff changeset
144 print ("message: %1\n", message);
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
145 }
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
146 break;
10
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
147
13
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
148 case SVRC_LOGGEDIN:
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
149 print ("login successful\n");
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
150 m_serverProtocol = packet.read_byte();
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
151 m_hostname = packet.read_string();
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
152 m_state = RCON_CONNECTED;
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
153
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
154 for (int i = packet.read_byte(); i > 0; --i)
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
155 process_server_updates (packet);
12
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
156
13
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
157 for (int i = packet.read_byte(); i > 0; --i)
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
158 {
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
159 String message = packet.read_string();
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
160 message.normalize();
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
161 print ("--- %1\n", message);
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
162 }
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
163 break;
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
164
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
165 case SVRC_UPDATE:
12
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
166 process_server_updates (packet);
13
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
167 break;
12
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
168 }
10
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
169 }
13
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
170 }
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
171 catch (std::exception& e)
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
172 {
09dcaeaa216b - to hell with that 'ok' field. now throws an exception if attempts to read past the end
Teemu Piippo <crimsondusk64@gmail.com>
parents: 12
diff changeset
173 print ("error while reading packet: %1\n", e.what());
12
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
174 }
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
175 }
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
176
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
177 METHOD
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
178 RCONSession::process_server_updates (Bytestream& packet) -> void
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
179 {
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
180 switch (RCONUpdateType (packet.read_byte()))
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
181 {
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
182 case SVRCU_PLAYERDATA:
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
183 {
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
184 Vector<String> players;
8d0d1b368de0 - rcon session now works! woo!
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parents: 11
diff changeset
185 for (int i = packet.read_byte(); i > 0; --i)
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
186 players << packet.read_string();
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
187 print ("players: %1\n", players);
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
188 }
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
189 break;
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
190
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
191 case SVRCU_ADMINCOUNT:
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
192 print ("num admins: %d1\n", packet.read_byte());
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
193 break;
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
194
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
195 case SVRCU_MAP:
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
196 print ("new map: %1\n", packet.read_string());
8d0d1b368de0 - rcon session now works! woo!
Teemu Piippo <crimsondusk64@gmail.com>
parents: 11
diff changeset
197 break;
10
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
198 }
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
199 }
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
200
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
201 // -------------------------------------------------------------------------------------------------
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
202 //
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
203 METHOD
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
204 RCONSession::socket() -> UDPSocket*
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
205 {
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
206 return &m_socket;
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
207 }
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
208
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
209 // -------------------------------------------------------------------------------------------------
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
210 //
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
211 METHOD
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
212 RCONSession::send_hello() -> void
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
213 {
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
214 print ("connecting to %1...\n", m_address.to_string (IP_WITH_PORT));
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
215 Bytestream packet;
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
216 packet.write_byte (CLRC_BEGINCONNECTION);
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
217 packet.write_byte (RCON_PROTOCOL_VERSION);
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
218 send (packet);
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
219 bump_last_ping();
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
220 }
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
221
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
222 // -------------------------------------------------------------------------------------------------
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
223 //
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
224 METHOD
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
225 RCONSession::send_password() -> void
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
226 {
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
227 print ("sending password...\n");
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
228 Bytestream packet;
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
229 packet.write_byte (CLRC_PASSWORD);
11
cffa2777d917 - now able to login
Teemu Piippo <crimsondusk64@gmail.com>
parents: 10
diff changeset
230 print ("password: %1\nsalt: %2\nhashed password: %3\n", m_password, m_salt, (m_salt + m_password).md5());
10
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
231 packet.write_string ((m_salt + m_password).md5());
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
232 send (packet);
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
233 bump_last_ping();
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
234 }
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
235
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
236 // -------------------------------------------------------------------------------------------------
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
237 //
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
238 METHOD
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
239 RCONSession::set_password (const String& password) -> void
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
240 {
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
241 m_password = password;
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
242 }
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
243
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
244 // -------------------------------------------------------------------------------------------------
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
245 //
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
246 METHOD
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
247 RCONSession::bump_last_ping() -> void
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
248 {
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
249 time_t now;
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
250 time (&now);
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
251 m_lastPing = now;
3874575d924d - begin work on rcon sessions
Teemu Piippo <crimsondusk64@gmail.com>
parents:
diff changeset
252 }
14
33b8f428bacb - begin work on interface - input line works for the most part :)
Teemu Piippo <crimsondusk64@gmail.com>
parents: 13
diff changeset
253
33b8f428bacb - begin work on interface - input line works for the most part :)
Teemu Piippo <crimsondusk64@gmail.com>
parents: 13
diff changeset
254 // -------------------------------------------------------------------------------------------------
33b8f428bacb - begin work on interface - input line works for the most part :)
Teemu Piippo <crimsondusk64@gmail.com>
parents: 13
diff changeset
255 //
33b8f428bacb - begin work on interface - input line works for the most part :)
Teemu Piippo <crimsondusk64@gmail.com>
parents: 13
diff changeset
256 STATIC METHOD
15
33da84af4bba - log area done, re-enabled the rcon connection
Teemu Piippo <crimsondusk64@gmail.com>
parents: 14
diff changeset
257 RCONSession::get_session() -> RCONSession*
14
33b8f428bacb - begin work on interface - input line works for the most part :)
Teemu Piippo <crimsondusk64@gmail.com>
parents: 13
diff changeset
258 {
15
33da84af4bba - log area done, re-enabled the rcon connection
Teemu Piippo <crimsondusk64@gmail.com>
parents: 14
diff changeset
259 return g_rconSession;
14
33b8f428bacb - begin work on interface - input line works for the most part :)
Teemu Piippo <crimsondusk64@gmail.com>
parents: 13
diff changeset
260 }

mercurial