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[libvirt] [libvirt-python][PATCH v2 2/4] virStream: Introduce virStreamRecvFlags



Yet again, we need a custom wrapper over virStreamRecvFlags
because our generator is not capable of generating it.

Signed-off-by: Michal Privoznik <mprivozn redhat com>
---
 generator.py                  |  1 +
 libvirt-override-virStream.py | 18 ++++++++++++++++++
 libvirt-override.c            | 39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 58 insertions(+)

diff --git a/generator.py b/generator.py
index ca1df35..0e07fc8 100755
--- a/generator.py
+++ b/generator.py
@@ -545,6 +545,7 @@ skip_function = (
     'virStreamSend', # overridden in libvirt-override-virStream.py
     'virStreamRecvHole', # overridden in libvirt-override-virStream.py
     'virStreamSendHole', # overridden in libvirt-override-virStream.py
+    'virStreamRecvFlags', # overridden in libvirt-override-virStream.py
 
     'virConnectUnregisterCloseCallback', # overridden in virConnect.py
     'virConnectRegisterCloseCallback', # overridden in virConnect.py
diff --git a/libvirt-override-virStream.py b/libvirt-override-virStream.py
index 62c1328..66d2bf6 100644
--- a/libvirt-override-virStream.py
+++ b/libvirt-override-virStream.py
@@ -146,3 +146,21 @@
         ret = libvirtmod.virStreamSendHole(self._o, length, flags)
         if ret == -1: raise libvirtError('virStreamSendHole() failed')
         return ret
+
+    def recvFlags(self, nbytes, flags = 0):
+        """Reads a series of bytes from the stream. This method may
+        block the calling application for an arbitrary amount
+        of time. This is just like recv except it has flags
+        argument.
+
+        Errors are not guaranteed to be reported synchronously
+        with the call, but may instead be delayed until a
+        subsequent call.
+
+        On success, the received data is returned. On failure, an
+        exception is raised. If the stream is a NONBLOCK stream and
+        the request would block, integer -2 is returned.
+        """
+        ret = libvirtmod.virStreamRecvFlags(self._o, nbytes, flags)
+        if ret is None: raise libvirtError ('virStreamRecvFlags() failed')
+        return ret
diff --git a/libvirt-override.c b/libvirt-override.c
index a6ef49e..0abfc37 100644
--- a/libvirt-override.c
+++ b/libvirt-override.c
@@ -9519,6 +9519,44 @@ libvirt_virStreamSendHole(PyObject *self ATTRIBUTE_UNUSED,
     return libvirt_intWrap(ret);
 }
 
+
+static PyObject *
+libvirt_virStreamRecvFlags(PyObject *self ATTRIBUTE_UNUSED,
+                           PyObject *args)
+{
+    PyObject *pyobj_stream;
+    PyObject *rv;
+    virStreamPtr stream;
+    char *buf = NULL;
+    size_t nbytes;
+    unsigned int flags;
+    int ret;
+
+    if (!PyArg_ParseTuple(args, (char *) "OkI:virStreamRecvFlags",
+                          &pyobj_stream, &nbytes, &flags))
+        return NULL;
+
+    stream = PyvirStream_Get(pyobj_stream);
+
+    if (VIR_ALLOC_N(buf, nbytes + 1) < 0)
+        return PyErr_NoMemory();
+
+    LIBVIRT_BEGIN_ALLOW_THREADS;
+    ret = virStreamRecvFlags(stream, buf, nbytes, flags);
+    LIBVIRT_END_ALLOW_THREADS;
+
+    buf[ret > -1 ? ret : 0] = '\0';
+    DEBUG("StreamRecvFlags ret=%d strlen=%d\n", ret, (int) strlen(buf));
+
+    if (ret == -2 || ret == -3)
+        return libvirt_intWrap(ret);
+    if (ret < 0)
+        return VIR_PY_NONE;
+    rv = libvirt_charPtrSizeWrap((char *) buf, (Py_ssize_t) ret);
+    VIR_FREE(buf);
+    return rv;
+}
+
 #endif /* LIBVIR_CHECK_VERSION(3, 4, 0) */
 
 
@@ -9749,6 +9787,7 @@ static PyMethodDef libvirtMethods[] = {
 #if LIBVIR_CHECK_VERSION(3, 4, 0)
     {(char *) "virStreamRecvHole", libvirt_virStreamRecvHole, METH_VARARGS, NULL},
     {(char *) "virStreamSendHole", libvirt_virStreamSendHole, METH_VARARGS, NULL},
+    {(char *) "virStreamRecvFlags", libvirt_virStreamRecvFlags, METH_VARARGS, NULL},
 #endif /* LIBVIR_CHECK_VERSION(3, 4, 0) */
     {NULL, NULL, 0, NULL}
 };
-- 
2.13.0


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