def check_handle(self, pool_glob_handle, uuidstr, cont_glob_handle, rank):
"""Verify that the global handles can be turned into local handles.
This gets run in a child process and verifies the global handles can be
turned into local handles in another process.
Args:
pool_glob_handle (sharedctypes.RawValue): pool handle
uuidstr (sharedctypes.RawArray): pool uuid
cont_glob_handle (sharedctypes.RawValue): container handle
rank (int): pool svc rank
Raises:
DaosApiError: if there was an error converting the pool handle or
using the local pool handle to create a container.
"""
# setup the pool and connect using global handle
pool = DaosPool(self.context)
pool.uuid = uuidstr
pool.set_svc(rank)
pool.group = "daos_server"
buf = ctypes.cast(
pool_glob_handle.iov_buf,
ctypes.POINTER(ctypes.c_byte * pool_glob_handle.iov_buf_len))
buf2 = bytearray()
buf2.extend(buf.contents)
pool_handle = pool.global2local(self.context, pool_glob_handle.iov_len,
pool_glob_handle.iov_buf_len, buf2)
# perform an operation that will use the new handle, if it
# doesn't throw an exception, then all is well.
pool.pool_query()
# setup the container and then connect using the global handle
container = DaosContainer(self.context)
container.poh = pool_handle
buf = ctypes.cast(
cont_glob_handle.iov_buf,
ctypes.POINTER(ctypes.c_byte * cont_glob_handle.iov_buf_len))
buf2 = bytearray()
buf2.extend(buf.contents)
dummy_cont_handle = container.global2local(
self.context, cont_glob_handle.iov_len,
cont_glob_handle.iov_buf_len, buf2)
# just try one thing to make sure handle is good
container.query()
def check_handle(self, pool_glob_handle, uuidstr, cont_glob_handle, rank):
"""
This gets run in a child process and verifyes the global
handles can be turned into local handles in another process.
"""
# setup the pool and connect using global handle
pool = DaosPool(self.context)
pool.uuid = uuidstr
pool.set_svc(rank)
pool.group = "daos_server"
buf = ctypes.cast(pool_glob_handle.iov_buf,
ctypes.POINTER(ctypes.c_byte *
pool_glob_handle.iov_buf_len))
buf2 = bytearray()
buf2.extend(buf.contents)
pool_handle = pool.global2local(self.context,
pool_glob_handle.iov_len,
pool_glob_handle.iov_buf_len,
buf2)
# perform an operation that will use the new handle, if it
# doesn't throw an exception, then all is well.
pool.pool_query()
# setup the container and then connect using the global handle
container = DaosContainer(self.context)
container.poh = pool_handle
buf = ctypes.cast(cont_glob_handle.iov_buf,
ctypes.POINTER(ctypes.c_byte *
cont_glob_handle.iov_buf_len))
buf2 = bytearray()
buf2.extend(buf.contents)
dummy_cont_handle = container.global2local(
self.context, cont_glob_handle.iov_len,
cont_glob_handle.iov_buf_len, buf2)
# just try one thing to make sure handle is good
container.query()
