reorganize

1 files changed, 78 insertions, 0 deletions

diff --git a/termcast_server/__init__.py b/termcast_server/__init__.py
new file mode 100644
index 0000000..3a8dfee
--- /dev/null
+++ b/termcast_server/__init__.py
@@ -0,0 +1,78 @@
+import signal
+import socket
+import sys
+import threading
+import uuid
+
+from . import pubsub
+from . import ssh
+from . import termcast
+
+class Server(object):
+    def __init__(self, keyfile):
+        self.publisher = pubsub.Publisher()
+        self.keyfile = keyfile
+
+    def listen(self):
+        ssh_sock = self._open_socket(2200)
+        termcast_sock = self._open_socket(2201)
+
+        threading.Thread(
+            target=lambda: self.wait_for_ssh_connection(ssh_sock)
+        ).start()
+        threading.Thread(
+            target=lambda: self.wait_for_termcast_connection(termcast_sock)
+        ).start()
+
+    def wait_for_ssh_connection(self, sock):
+        self._wait_for_connection(
+            sock,
+            lambda client: self.handle_ssh_connection(client)
+        )
+
+    def wait_for_termcast_connection(self, sock):
+        self._wait_for_connection(
+            sock,
+            lambda client: self.handle_termcast_connection(client)
+        )
+
+    def handle_ssh_connection(self, client):
+        self._handle_connection(
+            client,
+            lambda client, connection_id: ssh.Connection(
+                client, connection_id, self.publisher, self.keyfile
+            )
+        )
+
+    def handle_termcast_connection(self, client):
+        self._handle_connection(
+            client,
+            lambda client, connection_id: termcast.Connection(
+                client, connection_id, self.publisher
+            )
+        )
+
+    def _wait_for_connection(self, sock, cb):
+        while True:
+            try:
+                sock.listen(100)
+                client, addr = sock.accept()
+            except Exception as e:
+                print('*** Listen/accept failed: ' + str(e))
+                traceback.print_exc()
+                continue
+
+            threading.Thread(target=cb, args=(client,)).start()
+
+    def _handle_connection(self, client, cb):
+        connection_id = uuid.uuid4().hex
+        connection = cb(client, connection_id)
+        self.publisher.subscribe(connection)
+        connection.run()
+        self.publisher.unsubscribe(connection)
+
+    def _open_socket(self, port):
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        sock.bind(('', port))
+        return sock