Update Python bindings to 1.4.0 API (WIP)

test/selftest.py

@@ -0,0 +1,133 @@
+'''Example low-level socket usage'''
+
+import time
+import sys
+
+import libzt
+
+def print_usage():
+    '''print help'''
+    print(
+        "\nUsage: <server|client> <storage_path> <net_id> <remote_ip> <remote_port>\n"
+    )
+    print("Ex: python3 example.py server . 0123456789abcdef 8080")
+    print("Ex: python3 example.py client . 0123456789abcdef 192.168.22.1 8080\n")
+    if len(sys.argv) < 5:
+        print("Too few arguments")
+    if len(sys.argv) > 6:
+        print("Too many arguments")
+    sys.exit(0)
+
+#
+# (Optional) Event handler
+#
+def on_zerotier_event(event_code, id):
+    if event_code == libzt.ZTS_EVENT_NODE_ONLINE:
+        print("ZTS_EVENT_NODE_ONLINE (" + str(event_code) + ") : " + hex(id))
+    if event_code == libzt.ZTS_EVENT_NODE_OFFLINE:
+        print("ZTS_EVENT_NODE_OFFLINE (" + str(event_code) + ") : " + hex(id))
+    if event_code == libzt.ZTS_EVENT_NETWORK_READY_IP4:
+        print("ZTS_EVENT_NETWORK_READY_IP4 (" + str(event_code) + ") : " + hex(id))
+    if event_code == libzt.ZTS_EVENT_NETWORK_READY_IP6:
+        print("ZTS_EVENT_NETWORK_READY_IP6 (" + str(event_code) + ") : " + hex(id))
+    if event_code == libzt.ZTS_EVENT_PEER_DIRECT:
+        print("ZTS_EVENT_PEER_DIRECT (" + str(event_code) + ") : " + hex(id))
+    if event_code == libzt.ZTS_EVENT_PEER_RELAY:
+        print("ZTS_EVENT_PEER_RELAY (" + str(event_code) + ") : " + hex(id))
+
+#
+# Main
+#
+def main():
+    mode = None # client|server
+    storage_path = "." # Where identity files are stored
+    net_id = 0 # Network to join
+    remote_ip = None # ZeroTier IP of remote node
+    remote_port = 8080 # ZeroTier port your app logic may use
+
+    if len(sys.argv) < 5 or len(sys.argv) > 6:
+        print_usage()
+    if sys.argv[1] == "server" and len(sys.argv) == 5:
+        mode = sys.argv[1]
+        storage_path = sys.argv[2]
+        net_id = int(sys.argv[3], 16)
+        remote_port = int(sys.argv[4])
+    if sys.argv[1] == "client" and len(sys.argv) == 6:
+        mode = sys.argv[1]
+        storage_path = sys.argv[2]
+        net_id = int(sys.argv[3], 16)
+        remote_ip = sys.argv[4]
+        remote_port = int(sys.argv[5])
+    if mode is None:
+        print_usage()
+    print("mode         = ", mode)
+    print("storage_path = ", storage_path)
+    print("net_id       = ", net_id)
+    print("remote_ip    = ", remote_ip)
+    print("remote_port  = ", remote_port)
+
+    #
+    #  Node initialization and start
+    #
+    print("Starting ZeroTier...")
+
+    n = libzt.ZeroTierNode()
+    n.init_set_event_handler(on_zerotier_event) # Optional
+    n.init_from_storage(storage_path) # Optional
+    n.init_set_port(9994) # Optional
+    n.node_start()
+
+    print("Waiting for node to come online...")
+    while not n.node_is_online():
+        time.sleep(1)
+    print("Joining network:", hex(net_id))
+    n.net_join(net_id)
+    while not n.net_transport_is_ready(net_id):
+        time.sleep(1)
+    print("Joined network")
+
+    #
+    # Example server
+    #
+    if mode == "server":
+        print("Starting server...")
+        serv = libzt.socket(libzt.ZTS_AF_INET, libzt.ZTS_SOCK_STREAM, 0)
+        try:
+            # serv.setblocking(True)
+            serv.bind(("0.0.0.0", remote_port))
+            serv.listen(5)
+            conn, addr = serv.accept()
+            print("Accepted connection from: ", addr)
+            data = conn.recv(4096)
+            if data:
+                print("recv: ", data)
+            print("send: ", data)
+            sent_bytes = conn.send(data)  # echo back to the server
+            print("sent: " + str(sent_bytes) + " byte(s)")
+            conn.close()
+            print("client disconnected")
+        except Exception as ex:
+            print(ex)
+        print("errno=", libzt.errno())  # See include/ZeroTierSockets.h for codes
+
+    #
+    # Example client
+    #
+    if mode == "client":
+        print("Starting client...")
+        client = libzt.socket(libzt.ZTS_AF_INET, libzt.ZTS_SOCK_STREAM, 0)
+        try:
+            print("connecting...")
+            client.connect((remote_ip, remote_port))
+            data = "Hello, world!"
+            print("send: ", data)
+            sent_bytes = client.send(data.encode('utf-8'))
+            print("sent: " + str(sent_bytes) + " byte(s)")
+            data = client.recv(1024)
+            print("recv: ", repr(data))
+        except Exception as ex:
+            print(ex)
+        print("errno=", libzt.errno())
+
+if __name__ == "__main__":
+    main()