TCP Module v0.9

tcp.py

@@ -0,0 +1,108 @@
+## TCP Easy Setup Module v0.9##
+## Component Connect to other Machine ##
+## R. M. Jones ##
+
+import socket
+import sys
+import re
+
+def validate(Type, data):
+    ip = re.compile("^[0-9]{1,3}[.]{1}[0-9]{1,3}[.]{1}[0-9]{1,3}[.]{1}$")
+
+    if Type == 'ip':
+        if ip.match(data):
+            return True
+        else:
+            return False
+
+    else:
+        return "No Type: "+Type
+
+#if domain name is sent then it is resolved here
+def domain(host):
+    try:
+        remote_ip = socket.gethostbyname(host)
+        return remote_ip
+
+    except socket.gaierror:
+        print("Host name could not be resolved")
+        return False
+
+def getmyip():
+    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    s.connect(("1.1.1.1", 80))
+    TCP_IP = s.getsockname()[0]
+    s.close()
+    return TCP_IP
+
+#The default ip is your local one and port is 5050
+def bind(TCP_IP=getmyip(), TCP_PORT=5050):
+    s = create()
+    s.bind((TCP_IP, TCP_PORT))
+    print("Ready to connect on: "+TCP_IP+" on port:", TCP_PORT)
+    s.listen(1)
+    conn, addr = s.accept()
+    print ('Connection address:', addr)
+    return conn
+
+def create():
+    try:
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        return s
+    except socket.error:
+        print("Failed to connect")
+        return False
+
+
+def connect(remote_ip, port):
+
+    if not validate('ip', remote_ip):
+        remote_ip = domain(remote_ip)
+        if remote_ip == False:
+            print("Error Resolving Host name")
+            return False
+
+    print("Connecting to: " + remote_ip+" Port:",port)
+    try:
+        s.connect((remote_ip, port))
+
+
+    except NameError:
+        try:
+            s = create()
+            s.connect((remote_ip, port))
+
+        except ConnectionRefusedError:
+            print("Connection Refused Error (likely because other machine's port isn't open)")
+            return False
+
+    except ConnectionRefusedError:
+        print("Connection Refused Error (likely because other machine's port isn't open)")
+        return False
+
+    except:
+        print("Unknown Error")
+        return False
+    print("Socket connected to IP: " + remote_ip)
+    return s
+
+def send(data, s):
+    try:
+        s.sendall(data.encode())
+        return True
+    except:
+        print("Couldn't send data")
+        return False
+
+def receive(s, buff=4069):
+    try:
+        return s.recv(buff).decode()
+
+    except ConnectionResetError:
+        print("Error ConnectionResetError")
+        return False
+
+    except ConnectionAbortedError:
+        print("Error ConnectionAbortedError")
+        return False
+#connect(socket.gethostbyname(socket.gethostname()), 5005)