Fixes Windows named pipe issue. Fixes #340.

gns3server/modules/virtualbox/virtualbox_vm.py

@@ -30,7 +30,7 @@ import asyncio
 
 from pkg_resources import parse_version
 from gns3server.utils.telnet_server import TelnetServer
-from gns3server.utils.asyncio import wait_for_file_creation
+from gns3server.utils.asyncio import wait_for_file_creation, wait_for_named_pipe_creation
 from .virtualbox_error import VirtualBoxError
 from ..nios.nio_udp import NIOUDP
 from ..nios.nio_nat import NIONAT
@@ -219,7 +219,11 @@ class VirtualBoxVM(BaseVM):
 
         if self._enable_remote_console and self._console is not None:
             try:
-                yield from wait_for_file_creation(self._get_pipe_name())  # wait for VirtualBox to create the pipe file.
+                # wait for VirtualBox to create the pipe file.
+                if sys.platform.startswith("win"):
+                    yield from wait_for_named_pipe_creation(self._get_pipe_name())
+                else:
+                    yield from wait_for_file_creation(self._get_pipe_name())
             except asyncio.TimeoutError:
                 raise VirtualBoxError('Pipe file "{}" for remote console has not been created by VirtualBox'.format(self._get_pipe_name()))
             self._start_remote_console()

gns3server/modules/vmware/vmware_vm.py

@@ -27,7 +27,7 @@ import tempfile
 
 from gns3server.utils.telnet_server import TelnetServer
 from gns3server.utils.interfaces import get_windows_interfaces
-from gns3server.utils.asyncio import wait_for_file_creation
+from gns3server.utils.asyncio import wait_for_file_creation, wait_for_named_pipe_creation
 from collections import OrderedDict
 from .vmware_error import VMwareError
 from ..nios.nio_udp import NIOUDP
@@ -440,7 +440,10 @@ class VMwareVM(BaseVM):
 
         if self._enable_remote_console and self._console is not None:
             try:
-                yield from wait_for_file_creation(self._get_pipe_name())  # wait for VMware to create the pipe file.
+                if sys.platform.startswith("win"):
+                    yield from wait_for_named_pipe_creation(self._get_pipe_name())
+                else:
+                    yield from wait_for_file_creation(self._get_pipe_name())  # wait for VMware to create the pipe file.
             except asyncio.TimeoutError:
                 raise VMwareError('Pipe file "{}" for remote console has not been created by VMware'.format(self._get_pipe_name()))
             self._start_remote_console()

gns3server/utils/asyncio.py

@@ -108,3 +108,18 @@ def wait_for_file_creation(path, timeout=10):
         yield from asyncio.sleep(0.5)
         timeout -= 0.5
     raise asyncio.TimeoutError()
+
+
+@asyncio.coroutine
+def wait_for_named_pipe_creation(pipe_path, timeout=10):
+
+    while timeout > 0:
+        try:
+            with open(pipe_path, "a+b"):
+                pass
+        except OSError:
+            yield from asyncio.sleep(0.5)
+            timeout -= 0.5
+        else:
+            return
+    raise asyncio.TimeoutError()