From 7737b64e5ed833bcd562ae4a9f32a9a7f0431de0 Mon Sep 17 00:00:00 2001
From: Bence Szigeti <bence.szigeti@gohyda.com>
Date: Tue, 29 Jul 2025 13:07:58 +0200
Subject: [PATCH] Add UDS support

---
 opensips/mi/__main__.py | 17 +++++++++++++----
 opensips/mi/datagram.py | 35 +++++++++++++++++++++++------------
 opensips/version.py     |  2 +-
 3 files changed, 37 insertions(+), 17 deletions(-)

diff --git a/opensips/mi/__main__.py b/opensips/mi/__main__.py
index 755d96e..757662a 100644
--- a/opensips/mi/__main__.py
+++ b/opensips/mi/__main__.py
@@ -67,6 +67,10 @@ def load_env_file(env_file_path):
                            metavar='FIFO_DIR',
                            type=str,
                            help='OpenSIPS MI FIFO Reply Directory')
+communication.add_argument('-ds', '--datagram-socket',
+                           metavar='SOCK',
+                           type=str,
+                           help='OpenSIPS Datagram Socket')
 
 group = parser.add_mutually_exclusive_group(required=True)
 
@@ -128,10 +132,15 @@ def main():
     elif args.type == 'http':
         mi = OpenSIPSMI('http', url=f'http://{args.ip}:{args.port}/mi')
     elif args.type == 'datagram':
-        mi = OpenSIPSMI('datagram',
-                        datagram_ip=args.ip,
-                        datagram_port=args.port,
-                        timeout=0.1)
+        if args.datagram_socket:
+            mi = OpenSIPSMI('datagram',
+                            datagram_unix_socket=args.datagram_socket,
+                            timeout=0.1)
+        else:
+            mi = OpenSIPSMI('datagram',
+                            datagram_ip=args.ip,
+                            datagram_port=args.port,
+                            timeout=0.1)
     else:
         if not args.bash_complete:
             print(f'Unknown type: {args.type}')
diff --git a/opensips/mi/datagram.py b/opensips/mi/datagram.py
index 59f7446..ff66438 100644
--- a/opensips/mi/datagram.py
+++ b/opensips/mi/datagram.py
@@ -20,37 +20,48 @@
 """ MI Datagram implementation """
 
 import socket
+import os
+from tempfile import NamedTemporaryFile
 from .connection import Connection
 from . import jsonrpc_helper
 
-
 class Datagram(Connection):
-
     """ MI Datagram connection """
 
     def __init__(self, **kwargs):
-        if "datagram_ip" not in kwargs:
-            raise ValueError("datagram_ip is required for Datagram")
+        if "datagram_unix_socket" in kwargs:
+            self.address = kwargs["datagram_unix_socket"]
+            self.family = socket.AF_UNIX
+            self.recv_size = 65535 * 32
+            with NamedTemporaryFile(prefix="opensips_mi_reply_", dir="/tmp") as nt:
+                self.recv_sock = nt.name
+        elif "datagram_ip" in kwargs and "datagram_port" in kwargs:
+            self.address = (kwargs["datagram_ip"], int(kwargs["datagram_port"]))
+            self.family = socket.AF_INET
+            self.recv_size = 32768
+            self.recv_sock = None
+        else:
+            raise ValueError("Either datagram_unix_socket or both datagram_ip and datagram_port are required for Datagram")
 
-        if "datagram_port" not in kwargs:
-            raise ValueError("datagram_port is required for Datagram")
-        
         self.timeout = kwargs.get("timeout", 1)
-        self.ip = kwargs["datagram_ip"]
-        self.port = int(kwargs["datagram_port"])
 
     def execute(self, method: str, params: dict):
         jsoncmd = jsonrpc_helper.get_command(method, params)
 
-        udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        udp_socket = socket.socket(self.family, socket.SOCK_DGRAM)
         try:
-            udp_socket.sendto(jsoncmd.encode(), (self.ip, self.port))
+            if self.recv_sock:
+                udp_socket.bind(self.recv_sock)
+            udp_socket.sendto(jsoncmd.encode(), self.address)
             udp_socket.settimeout(self.timeout)
-            reply = udp_socket.recv(32768)
+            reply = udp_socket.recv(self.recv_size)
         except Exception as e:
             raise jsonrpc_helper.JSONRPCException(e)
         finally:
+            if self.recv_sock:
+                os.unlink(self.recv_sock)
             udp_socket.close()
+
         return jsonrpc_helper.get_reply(reply)
 
     def valid(self):
diff --git a/opensips/version.py b/opensips/version.py
index 184b43b..d003d06 100644
--- a/opensips/version.py
+++ b/opensips/version.py
@@ -19,4 +19,4 @@
 
 """ OpenSIPS Package version """
 
-__version__ = '0.1.5'
+__version__ = '0.1.6'