Add basic implementations for all TLVs

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

squinnondation/squinnondation.py

@@ -236,6 +236,11 @@ class Pad1TLV(TLV):
         """
         return self.type.to_bytes(1, "big")
 
+    def handle(self, squirrel: "Squirrel", sender: "Hazelnut") -> None:
+        # TODO Add some easter eggs
+        squirrel.add_system_message(f"For each byte in the packet that I received, you will die today. "
+                                    "And eat cookies.")
+
 
 class PadNTLV(TLV):
     """
@@ -264,6 +269,10 @@ class PadNTLV(TLV):
         """
         return self.type.to_bytes(1, "big") + self.length.to_bytes(1, "big") + self.mbz[:self.length]
 
+    def handle(self, squirrel: "Squirrel", sender: "Hazelnut") -> None:
+        # TODO Add some easter eggs
+        squirrel.add_system_message(f"I received {self.length} zeros, am I so a bag guy ? :cold_sweat:")
+
 
 class HelloTLV(TLV):
     type: int = 2
@@ -281,7 +290,7 @@ class HelloTLV(TLV):
         self.type = raw_data[0]
         self.length = raw_data[1]
         self.source_id = int.from_bytes(raw_data[2:10], "big")
-        if self.length == 16:
+        if self.is_long:
             self.dest_id = int.from_bytes(raw_data[10:18], "big")
 
     def marshal(self) -> bytes:
@@ -290,6 +299,15 @@ class HelloTLV(TLV):
             data += self.dest_id.to_bytes(8, "big")
         return data
 
+    def handle(self, squirrel: "Squirrel", sender: "Hazelnut") -> None:
+        # TODO Implement HelloTLV
+        squirrel.add_system_message("Aaaawwww, someone spoke to me and said me Hello smiling_face_with_"
+                                    + (":3_hearts:" if self.is_long else "smiling_eyes:"))
+
+    @property
+    def is_long(self):
+        return self.length == 16
+
 
 class NeighbourTLV(TLV):
     type: int = 3
@@ -309,6 +327,11 @@ class NeighbourTLV(TLV):
             self.ip_address.packed + \
             self.port.to_bytes(2, "big")
 
+    def handle(self, squirrel: "Squirrel", sender: "Hazelnut") -> None:
+        # TODO Implement NeighbourTLV
+        squirrel.add_system_message("I have a friend!")
+        squirrel.add_system_message(f"Welcome {self.ip_address}:{self.port}!")
+
 
 class DataTLV(TLV):
     type: int = 4
@@ -357,6 +380,10 @@ class AckTLV(TLV):
             self.sender_id.to_bytes(8, "big") + \
             self.nonce.to_bytes(4, "big")
 
+    def handle(self, squirrel: "Squirrel", sender: "Hazelnut") -> None:
+        # TODO Implement AckTLV
+        squirrel.add_system_message("I received an AckTLV. I don't know what to do with it. Please implement me!")
+
 
 class GoAwayTLV(TLV):
     class GoAwayType(Enum):
@@ -382,6 +409,11 @@ class GoAwayTLV(TLV):
             self.code.value.to_bytes(1, "big") + \
             self.message.encode("UTF-8")[:self.length - 1]
 
+    def handle(self, squirrel: "Squirrel", sender: "Hazelnut") -> None:
+        # TODO Implement GoAwayTLV
+        squirrel.add_system_message("Some told me that he went away. That's not very nice :( "
+                                    "I should send him some cake.")
+
 
 class WarningTLV(TLV):
     type: int = 7