add find_super script to find valid supernodes

fix stderr issues

1 files changed, 50 insertions, 0 deletions

diff --git a/retiolum/scripts/adv_graphgen/find_super.py b/retiolum/scripts/adv_graphgen/find_super.py
new file mode 100644
index 00000000..df01734e
--- /dev/null
+++ b/retiolum/scripts/adv_graphgen/find_super.py
@@ -0,0 +1,50 @@
+#!/usr/bin/python
+
+def find_super(path="/etc/tinc/retiolum/hosts"):
+  import os
+  import re
+
+  needle_addr = re.compile("Address\s*=\s*(.*)")
+  needle_port = re.compile("Port\s*=\s*(.*)")
+  for f in os.listdir(path):
+    with open(path+"/"+f) as of:
+      addrs = []
+      port = "655"
+
+      for line in of.readlines():
+
+        addr_found = needle_addr.match(line)
+        if addr_found:
+          addrs.append(addr_found.group(1))
+
+        port_found = needle_port.match(line)
+        if port_found:
+          port = port_found.group(1)
+      
+      if addrs : yield (f ,[(addr ,int(port)) for addr in addrs])
+
+def check_super(path="/etc/tinc/retiolum/hosts"):
+  from socket import socket,AF_INET,SOCK_STREAM
+  for host,addrs in find_super(path):
+    valid_addrs = []
+    for addr in addrs:
+      try:
+        s = socket(AF_INET,SOCK_STREAM)
+        s.settimeout(3)
+        s.connect(addr)
+        #print("success connecting %s:%d"%(addr))
+        s.settimeout(None)
+        s.close()
+        valid_addrs.append(addr)
+      except Exception as e:
+        pass
+        #print("cannot connect to %s:%d"%(addr))
+    if valid_addrs: yield (host,valid_addrs)
+
+
+if __name__ == "__main__":
+  """
+  usage
+  """
+  for host,addrs in check_super():
+    print host,addrs