python/qemu: qmp: Make accept()'s timeout configurable

Currently the timeout of QEMUMonitorProtocol.accept() is
hard-coded to 15.0 seconds. This added the parameter `timeout`
so the value can be configured by the user.

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20200204141111.3207-4-wainersm@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

diff --git a/python/qemu/qmp.py b/python/qemu/qmp.py
index f4e04a6683f6431b409e05f9900d47db88481a20..0e07d80e2ad332167ee32b23df4238898bbee233 100644 (file)
--- a/python/qemu/qmp.py
+++ b/python/qemu/qmp.py
@@ -154,16 +154,23 @@ class QEMUMonitorProtocol:
             return self.__negotiate_capabilities()
         return None
 
-    def accept(self):
+    def accept(self, timeout=15.0):
         """
         Await connection from QMP Monitor and perform capabilities negotiation.
 
+        @param timeout: timeout in seconds (nonnegative float number, or
+                        None). The value passed will set the behavior of the
+                        underneath QMP socket as described in [1]. Default value
+                        is set to 15.0.
         @return QMP greeting dict
         @raise OSError on socket connection errors
         @raise QMPConnectError if the greeting is not received
         @raise QMPCapabilitiesError if fails to negotiate capabilities
+
+        [1]
+        https://docs.python.org/3/library/socket.html#socket.socket.settimeout
         """
-        self.__sock.settimeout(15)
+        self.__sock.settimeout(timeout)
         self.__sock, _ = self.__sock.accept()
         self.__sockfile = self.__sock.makefile()
         return self.__negotiate_capabilities()