3 # Electrum - lightweight Bitcoin client
4 # Copyright (C) 2012 thomasv@gitorious
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 import sys, time, datetime, re, threading
21 from electrum.util import print_error, print_msg
22 import os.path, json, ast, traceback
24 from PyQt4.QtGui import *
25 from PyQt4.QtCore import *
26 from electrum.interface import DEFAULT_SERVERS, DEFAULT_PORTS
30 protocol_names = ['TCP', 'HTTP', 'SSL', 'HTTPS']
31 protocol_letters = 'thsg'
33 class NetworkDialog(QDialog):
34 def __init__(self, network, config, parent):
36 QDialog.__init__(self,parent)
38 self.setWindowTitle(_('Server'))
39 self.setMinimumSize(375, 20)
41 self.network = network
42 self.interface = interface = network.interface
47 n = len(network.interfaces)
49 status = _("Connected to %d servers")%n + ", %d "%(network.blockchain.height) + _("blocks")
51 status = _("Not connected")
53 if interface.is_connected:
54 status += "\n" + _("History server:") + " %s"%(interface.host)
56 status += "\n" + _("History server is disconnected")
59 server = interface.server
62 status = _("Please choose a server.") + "\n" + _("Select 'Cancel' if you are offline.")
63 server = interface.server
65 self.servers = interface.get_servers()
73 l.setPixmap(QPixmap(":icons/network.png"))
76 hbox.addWidget(QLabel(status))
86 self.server_protocol = QComboBox()
87 self.server_host = QLineEdit()
88 self.server_host.setFixedWidth(200)
89 self.server_port = QLineEdit()
90 self.server_port.setFixedWidth(60)
92 self.server_protocol.addItems(protocol_names)
94 grid.addWidget(QLabel(_('Server') + ':'), 0, 0)
95 grid.addWidget(self.server_protocol, 0, 1)
96 grid.addWidget(self.server_host, 0, 2)
97 grid.addWidget(self.server_port, 0, 3)
99 self.server_protocol.connect(self.server_protocol, SIGNAL('currentIndexChanged(int)'), self.change_protocol)
101 label = _('Active Servers') if interface.servers else _('Default Servers')
102 self.servers_list_widget = QTreeWidget(parent)
103 self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] )
104 self.servers_list_widget.setMaximumHeight(150)
105 self.servers_list_widget.setColumnWidth(0, 240)
108 host, port, protocol = server.split(':')
109 self.set_protocol(protocol)
110 self.change_server(host, protocol)
112 self.set_protocol('s')
114 self.servers_list_widget.connect(self.servers_list_widget,
115 SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'),
116 lambda x,y: self.server_changed(x))
117 grid.addWidget(self.servers_list_widget, 1, 1, 1, 3)
119 if not config.is_modifiable('server'):
120 for w in [self.server_host, self.server_port, self.server_protocol, self.servers_list_widget]: w.setEnabled(False)
123 self.autocycle_cb = QCheckBox(_('Try random servers if disconnected'))
124 self.autocycle_cb.setChecked(self.config.get('auto_cycle', True))
125 grid.addWidget(self.autocycle_cb, 3, 1, 3, 2)
126 if not self.config.is_modifiable('auto_cycle'): self.autocycle_cb.setEnabled(False)
129 self.proxy_mode = QComboBox()
130 self.proxy_host = QLineEdit()
131 self.proxy_host.setFixedWidth(200)
132 self.proxy_port = QLineEdit()
133 self.proxy_port.setFixedWidth(60)
134 self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP'])
136 def check_for_disable(index = False):
137 if self.proxy_mode.currentText() != 'NONE':
138 self.proxy_host.setEnabled(True)
139 self.proxy_port.setEnabled(True)
141 self.proxy_host.setEnabled(False)
142 self.proxy_port.setEnabled(False)
145 self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable)
147 if not self.config.is_modifiable('proxy'):
148 for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False)
150 proxy_config = interface.proxy if interface.proxy else { "mode":"none", "host":"localhost", "port":"8080"}
151 self.proxy_mode.setCurrentIndex(self.proxy_mode.findText(str(proxy_config.get("mode").upper())))
152 self.proxy_host.setText(proxy_config.get("host"))
153 self.proxy_port.setText(proxy_config.get("port"))
155 grid.addWidget(QLabel(_('Proxy') + ':'), 2, 0)
156 grid.addWidget(self.proxy_mode, 2, 1)
157 grid.addWidget(self.proxy_host, 2, 2)
158 grid.addWidget(self.proxy_port, 2, 3)
161 vbox.addLayout(ok_cancel_buttons(self))
165 def init_servers_list(self):
166 self.servers_list_widget.clear()
167 for _host, d in self.servers.items():
168 if d.get(self.protocol):
169 pruning_level = d.get('pruning','')
170 self.servers_list_widget.addTopLevelItem(QTreeWidgetItem( [ _host, pruning_level ] ))
173 def set_protocol(self, protocol):
174 if protocol != self.protocol:
175 self.protocol = protocol
176 self.init_servers_list()
178 def change_protocol(self, index):
179 p = protocol_letters[index]
180 host = unicode(self.server_host.text())
181 pp = self.servers.get(host)
182 if p not in pp.keys():
185 self.server_host.setText( host )
186 self.server_port.setText( port )
189 def server_changed(self, x):
191 self.change_server(str(x.text(0)), self.protocol)
193 def change_server(self, host, protocol):
195 pp = self.servers.get(host, DEFAULT_PORTS)
197 port = pp.get(protocol)
198 if not port: protocol = None
203 port = pp.get(protocol)
205 protocol = pp.keys()[0]
206 port = pp.get(protocol)
208 self.server_host.setText( host )
209 self.server_port.setText( port )
210 self.server_protocol.setCurrentIndex(protocol_letters.index(protocol))
212 if not self.servers: return
213 for p in protocol_letters:
214 i = protocol_letters.index(p)
215 j = self.server_protocol.model().index(i,0)
216 #if p not in pp.keys(): # and self.interface.is_connected:
217 # self.server_protocol.model().setData(j, QVariant(0), Qt.UserRole-1)
219 # self.server_protocol.model().setData(j, QVariant(33), Qt.UserRole-1)
227 server = ':'.join([str( self.server_host.text() ),
228 str( self.server_port.text() ),
229 (protocol_letters[self.server_protocol.currentIndex()]) ])
231 if self.proxy_mode.currentText() != 'NONE':
232 proxy = { 'mode':str(self.proxy_mode.currentText()).lower(),
233 'host':str(self.proxy_host.text()),
234 'port':str(self.proxy_port.text()) }
238 self.config.set_key("proxy", proxy, True)
239 self.config.set_key("server", server, True)
240 self.network.set_server(server, proxy)
241 self.config.set_key('auto_cycle', self.autocycle_cb.isChecked(), True)