From 5cc5685ae33313c0b8395812c1280c0360815e3f Mon Sep 17 00:00:00 2001
From: Pavel 'LEdoian' Turinsky <ledoian@matfyz.cz>
Date: Thu, 3 Nov 2022 13:07:23 +0100
Subject: [PATCH] [WIP] Early code for handling BIRD's control socket.

---
 .gitignore                 |  2 ++
 birdvisu/ospfsock.py       | 39 ++++++++++++++++++++++++++++++++++++++
 poor_mans_visualisation.py | 12 +++++++++++-
 3 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 birdvisu/ospfsock.py

diff --git a/.gitignore b/.gitignore
index a847f8e..8535607 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@
 __pycache__/
 
 current.ospf
+
+/venv/
diff --git a/birdvisu/ospfsock.py b/birdvisu/ospfsock.py
new file mode 100644
index 0000000..9873b20
--- /dev/null
+++ b/birdvisu/ospfsock.py
@@ -0,0 +1,39 @@
+"""Simple utility to interface with BIRD using the control socket."""
+
+from dataclasses import dataclass
+import socket as sk
+
+@dataclass
+class BirdResponse:
+	text: str = ''
+	codes: list[tuple[tuple[int, int], int]] = []  # List of line ranges (inclusive) and the respective code.
+
+class BirdSocketConnection:
+	def __init__(self, sockpath='/run/bird/bird.ctl'):
+		self.socket = sk.socket(sk.AF_UNIX, sk.SOCK_STREAM)
+		self.socket.setblocking(False)
+		self.socket.connect(sockpath)
+
+	def request(self, req: str) -> BirdResponse:
+		if not req.endswith('\n'):
+			req = req + '\n'
+		binreq = req,encode()
+		self.socket.send(binreq)
+		return self._parse_response()
+
+	def _parse_response(self):
+		# We even read from the socket here in order to have the whole protocol
+		# described at one place. Therefore other parts of the code do not need
+		# to know anything about the protocol (maybe apart from the meaning of
+		# status codes, if they are interested…)
+		MAXLINELENGTH = 1000 # Pretty please…
+		READSIZE = MAXLINELENGTH * 2 # Ensures that after the read at least one complete line has been read.
+		lines = []
+		data = b''
+		# There is no way to read line-wise, so we just read everything and split afterwards.
+		# This is probably very horrible.
+		try:
+			while True:
+				data += self.socket.
+		
+
diff --git a/poor_mans_visualisation.py b/poor_mans_visualisation.py
index c5747fc..3641733 100755
--- a/poor_mans_visualisation.py
+++ b/poor_mans_visualisation.py
@@ -95,6 +95,16 @@ for tagsrc in [
 		scene.addItem(taglist[-1])
 
 view = QtWidgets.QGraphicsView(scene)
-view.show()
+#view.show()
+
+
+main_window = QtWidgets.QMainWindow()
+main_window.setCentralWidget(view)
+
+menu = main_window.menuBar().addMenu('Hello')
+act = QtGui.QAction('Hi')
+#act.setToolTip('Howdy')
+menu.addAction(act)
+main_window.show()
 
 app.exec()