From fc46f2618332037a8c1b58fbce5d616033bff1c9 Mon Sep 17 00:00:00 2001
From: Dan Klein <danklei@cisco.com>
Date: Wed, 26 Aug 2015 15:05:58 +0300
Subject: Rearranged files and external libraries in two different locations,
one for cpp (trex-core/external_libs) and one for python
(trex-core/scripts/external_libs)
---
scripts/external_libs/zmq/backend/cffi/socket.py | 244 +++++++++++++++++++++++
1 file changed, 244 insertions(+)
create mode 100644 scripts/external_libs/zmq/backend/cffi/socket.py
(limited to 'scripts/external_libs/zmq/backend/cffi/socket.py')
diff --git a/scripts/external_libs/zmq/backend/cffi/socket.py b/scripts/external_libs/zmq/backend/cffi/socket.py
new file mode 100644
index 00000000..3c427739
--- /dev/null
+++ b/scripts/external_libs/zmq/backend/cffi/socket.py
@@ -0,0 +1,244 @@
+# coding: utf-8
+"""zmq Socket class"""
+
+# Copyright (C) PyZMQ Developers
+# Distributed under the terms of the Modified BSD License.
+
+import random
+import codecs
+
+import errno as errno_mod
+
+from ._cffi import (C, ffi, new_uint64_pointer, new_int64_pointer,
+ new_int_pointer, new_binary_data, value_uint64_pointer,
+ value_int64_pointer, value_int_pointer, value_binary_data,
+ IPC_PATH_MAX_LEN)
+
+from .message import Frame
+from .constants import *
+
+import zmq
+from zmq.error import ZMQError, _check_rc, _check_version
+from zmq.utils.strtypes import unicode
+
+
+def new_pointer_from_opt(option, length=0):
+ from zmq.sugar.constants import (
+ int64_sockopts, bytes_sockopts,
+ )
+ if option in int64_sockopts:
+ return new_int64_pointer()
+ elif option in bytes_sockopts:
+ return new_binary_data(length)
+ else:
+ # default
+ return new_int_pointer()
+
+def value_from_opt_pointer(option, opt_pointer, length=0):
+ from zmq.sugar.constants import (
+ int64_sockopts, bytes_sockopts,
+ )
+ if option in int64_sockopts:
+ return int(opt_pointer[0])
+ elif option in bytes_sockopts:
+ return ffi.buffer(opt_pointer, length)[:]
+ else:
+ return int(opt_pointer[0])
+
+def initialize_opt_pointer(option, value, length=0):
+ from zmq.sugar.constants import (
+ int64_sockopts, bytes_sockopts,
+ )
+ if option in int64_sockopts:
+ return value_int64_pointer(value)
+ elif option in bytes_sockopts:
+ return value_binary_data(value, length)
+ else:
+ return value_int_pointer(value)
+
+
+class Socket(object):
+ context = None
+ socket_type = None
+ _zmq_socket = None
+ _closed = None
+ _ref = None
+ _shadow = False
+
+ def __init__(self, context=None, socket_type=None, shadow=None):
+ self.context = context
+ if shadow is not None:
+ self._zmq_socket = ffi.cast("void *", shadow)
+ self._shadow = True
+ else:
+ self._shadow = False
+ self._zmq_socket = C.zmq_socket(context._zmq_ctx, socket_type)
+ if self._zmq_socket == ffi.NULL:
+ raise ZMQError()
+ self._closed = False
+ if context:
+ self._ref = context._add_socket(self)
+
+ @property
+ def underlying(self):
+ """The address of the underlying libzmq socket"""
+ return int(ffi.cast('size_t', self._zmq_socket))
+
+ @property
+ def closed(self):
+ return self._closed
+
+ def close(self, linger=None):
+ rc = 0
+ if not self._closed and hasattr(self, '_zmq_socket'):
+ if self._zmq_socket is not None:
+ rc = C.zmq_close(self._zmq_socket)
+ self._closed = True
+ if self.context:
+ self.context._rm_socket(self._ref)
+ return rc
+
+ def bind(self, address):
+ if isinstance(address, unicode):
+ address = address.encode('utf8')
+ rc = C.zmq_bind(self._zmq_socket, address)
+ if rc < 0:
+ if IPC_PATH_MAX_LEN and C.zmq_errno() == errno_mod.ENAMETOOLONG:
+ # py3compat: address is bytes, but msg wants str
+ if str is unicode:
+ address = address.decode('utf-8', 'replace')
+ path = address.split('://', 1)[-1]
+ msg = ('ipc path "{0}" is longer than {1} '
+ 'characters (sizeof(sockaddr_un.sun_path)).'
+ .format(path, IPC_PATH_MAX_LEN))
+ raise ZMQError(C.zmq_errno(), msg=msg)
+ else:
+ _check_rc(rc)
+
+ def unbind(self, address):
+ _check_version((3,2), "unbind")
+ if isinstance(address, unicode):
+ address = address.encode('utf8')
+ rc = C.zmq_unbind(self._zmq_socket, address)
+ _check_rc(rc)
+
+ def connect(self, address):
+ if isinstance(address, unicode):
+ address = address.encode('utf8')
+ rc = C.zmq_connect(self._zmq_socket, address)
+ _check_rc(rc)
+
+ def disconnect(self, address):
+ _check_version((3,2), "disconnect")
+ if isinstance(address, unicode):
+ address = address.encode('utf8')
+ rc = C.zmq_disconnect(self._zmq_socket, address)
+ _check_rc(rc)
+
+ def set(self, option, value):
+ length = None
+ if isinstance(value, unicode):
+ raise TypeError("unicode not allowed, use bytes")
+
+ if isinstance(value, bytes):
+ if option not in zmq.constants.bytes_sockopts:
+ raise TypeError("not a bytes sockopt: %s" % option)
+ length = len(value)
+
+ c_data = initialize_opt_pointer(option, value, length)
+
+ c_value_pointer = c_data[0]
+ c_sizet = c_data[1]
+
+ rc = C.zmq_setsockopt(self._zmq_socket,
+ option,
+ ffi.cast('void*', c_value_pointer),
+ c_sizet)
+ _check_rc(rc)
+
+ def get(self, option):
+ c_data = new_pointer_from_opt(option, length=255)
+
+ c_value_pointer = c_data[0]
+ c_sizet_pointer = c_data[1]
+
+ rc = C.zmq_getsockopt(self._zmq_socket,
+ option,
+ c_value_pointer,
+ c_sizet_pointer)
+ _check_rc(rc)
+
+ sz = c_sizet_pointer[0]
+ v = value_from_opt_pointer(option, c_value_pointer, sz)
+ if option != zmq.IDENTITY and option in zmq.constants.bytes_sockopts and v.endswith(b'\0'):
+ v = v[:-1]
+ return v
+
+ def send(self, message, flags=0, copy=False, track=False):
+ if isinstance(message, unicode):
+ raise TypeError("Message must be in bytes, not an unicode Object")
+
+ if isinstance(message, Frame):
+ message = message.bytes
+
+ zmq_msg = ffi.new('zmq_msg_t*')
+ c_message = ffi.new('char[]', message)
+ rc = C.zmq_msg_init_size(zmq_msg, len(message))
+ C.memcpy(C.zmq_msg_data(zmq_msg), c_message, len(message))
+
+ rc = C.zmq_msg_send(zmq_msg, self._zmq_socket, flags)
+ C.zmq_msg_close(zmq_msg)
+ _check_rc(rc)
+
+ if track:
+ return zmq.MessageTracker()
+
+ def recv(self, flags=0, copy=True, track=False):
+ zmq_msg = ffi.new('zmq_msg_t*')
+ C.zmq_msg_init(zmq_msg)
+
+ rc = C.zmq_msg_recv(zmq_msg, self._zmq_socket, flags)
+
+ if rc < 0:
+ C.zmq_msg_close(zmq_msg)
+ _check_rc(rc)
+
+ _buffer = ffi.buffer(C.zmq_msg_data(zmq_msg), C.zmq_msg_size(zmq_msg))
+ value = _buffer[:]
+ C.zmq_msg_close(zmq_msg)
+
+ frame = Frame(value, track=track)
+ frame.more = self.getsockopt(RCVMORE)
+
+ if copy:
+ return frame.bytes
+ else:
+ return frame
+
+ def monitor(self, addr, events=-1):
+ """s.monitor(addr, flags)
+
+ Start publishing socket events on inproc.
+ See libzmq docs for zmq_monitor for details.
+
+ Note: requires libzmq >= 3.2
+
+ Parameters
+ ----------
+ addr : str
+ The inproc url used for monitoring. Passing None as
+ the addr will cause an existing socket monitor to be
+ deregistered.
+ events : int [default: zmq.EVENT_ALL]
+ The zmq event bitmask for which events will be sent to the monitor.
+ """
+
+ _check_version((3,2), "monitor")
+ if events < 0:
+ events = zmq.EVENT_ALL
+ if addr is None:
+ addr = ffi.NULL
+ rc = C.zmq_socket_monitor(self._zmq_socket, addr, events)
+
+
+__all__ = ['Socket', 'IPC_PATH_MAX_LEN']
--
cgit