1 files changed, 79 insertions, 0 deletions
diff --git a/server/districtclient.py b/server/districtclient.py
new file mode 100644
index 00000000..adc29ec2
--- /dev/null
+++ b/server/districtclient.py
@@ -0,0 +1,79 @@
+# tsuserver3, an Attorney Online server
+#
+# Copyright (C) 2016 argoneus <argoneuscze@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+import asyncio
+
+from server import logger
+
+
+class DistrictClient:
+    def __init__(self, server):
+        self.server = server
+        self.reader = None
+        self.writer = None
+        self.message_queue = []
+
+    async def connect(self):
+        loop = asyncio.get_event_loop()
+        while True:
+            try:
+                self.reader, self.writer = await asyncio.open_connection(self.server.config['district_ip'],
+                                                                         self.server.config['district_port'], loop=loop)
+                await self.handle_connection()
+            except (ConnectionRefusedError, TimeoutError):
+                pass
+            except (ConnectionResetError, asyncio.IncompleteReadError):
+                self.writer = None
+                self.reader = None
+            finally:
+                logger.log_debug("Couldn't connect to the district, retrying in 30 seconds.")
+                await asyncio.sleep(30)
+
+    async def handle_connection(self):
+        logger.log_debug('District connected.')
+        self.send_raw_message('AUTH#{}'.format(self.server.config['district_password']))
+        while True:
+            data = await self.reader.readuntil(b'\r\n')
+            if not data:
+                return
+            raw_msg = data.decode()[:-2]
+            logger.log_debug('[DISTRICT][INC][RAW]{}'.format(raw_msg))
+            cmd, *args = raw_msg.split('#')
+            if cmd == 'GLOBAL':
+                glob_name = '{}[{}:{}][{}]'.format('<dollar>G', args[1], args[2], args[3])
+                if args[0] == '1':
+                    glob_name += '[M]'
+                self.server.send_all_cmd_pred('CT', glob_name, args[4], pred=lambda x: not x.muted_global)
+            elif cmd == 'NEED':
+                need_msg = '=== Cross Advert ===\r\n{} at {} in {} [{}] needs {}\r\n====================' \
+                    .format(args[1], args[0], args[2], args[3], args[4])
+                self.server.send_all_cmd_pred('CT', '{}'.format(self.server.config['hostname']), need_msg,
+                                              pred=lambda x: not x.muted_adverts)
+
+    async def write_queue(self):
+        while self.message_queue:
+            msg = self.message_queue.pop(0)
+            try:
+                self.writer.write(msg)
+                await self.writer.drain()
+            except ConnectionResetError:
+                return
+
+    def send_raw_message(self, msg):
+        if not self.writer:
+            return
+        self.message_queue.append('{}\r\n'.format(msg).encode())
+        asyncio.ensure_future(self.write_queue(), loop=asyncio.get_event_loop())