Add hardware timestamping bindings to Python.

prrt/cprrt.pxd

@@ -121,6 +121,8 @@ cdef extern from "proto/socket.h":
 
     cdef PrrtSocket* PrrtSocket_create(const uint32_t maximum_payload_size, const uint32_t target_delay)
     int PrrtSocket_bind(PrrtSocket *sock_ptr, const_char *ipAddress, const uint16_t port)
+    bint PrrtSocket_enable_hardware_timestamping(PrrtSocket *s, const_char *interface_name)
+    
     int PrrtSocket_close(const PrrtSocket *sock_ptr)
     int PrrtSocket_connect(PrrtSocket *sock_ptr, const_char *host, const uint16_t port)
     int PrrtSocket_send_sync(PrrtSocket *sock_ptr, const uint8_t *data, const size_t data_len)
@@ -186,4 +188,3 @@ cdef extern from "util/pipe.h":
 cdef extern from "util/mpsc_queue.h":
     ctypedef struct MPSCQueue:
         pass
-

prrt/prrt.pyx

@@ -173,12 +173,14 @@ cdef class PrrtSocket:
     cdef cprrt.PrrtSocket* _c_socket
     _epoch = datetime.datetime.utcfromtimestamp(0)
 
-    def __cinit__(self, address, maximum_payload_size = 1400, target_delay = 1, thread_pinning = False):
+    def __cinit__(self, address, maximum_payload_size = 1400, target_delay = 1, thread_pinning = False, hardware_timestamping_interface=None):
         host, port = address
         target_delay_us = target_delay * 1000**2
         self._c_socket = cprrt.PrrtSocket_create(maximum_payload_size, target_delay_us)
         if thread_pinning:
             cprrt.PrrtSocket_enable_thread_pinning(self._c_socket)
+        if hardware_timestamping_interface is not None:
+            cprrt.PrrtSocket_enable_hardware_timestamping(self._c_socket, hardware_timestamping_interface.encode("UTF-8"))
         h_errno = cprrt.PrrtSocket_bind(self._c_socket, host.encode("utf8"), port)
         if h_errno != 0:
             # PrrtSocket_bind calls PrrtSocket_close on error