def is_requested(self, digest, code):
logging.debug("Seeing block code=%s, digest=%s" %
(Container.code_name(code), base64.b64encode(digest)))
if self.block_handler.is_requested(
self.sequence_id, self.container_idx, digest, code):
return True
logging.debug("Seeing block of code %s" % Container.code_name(code))
return code == Container.CODE_HEADER
def add_aside_block(self, digest, code, data):
logging.debug("BlockSequencer adding aside block %s:%s:%d" %
(base64.b64encode(digest), Container.code_name(code), len(data)))
key = str(self.aside_block_last + 1)
self.aside_block_last += 1
self.aside_block_db[key] = digest
self.aside_block_num += 1
self.aside_block_size += len(data)
def add_block(self, digest, code, data):
self.block_manager.add_block(digest, code, data)
if self.block_container_db.has_key(digest):
return False
logging.debug(
"Storage manager adding new block %s:%s:%d"
% (base64.b64encode(digest), Container.code_name(code), len(data))
)
self.block_sequencer.add_block(digest, code, data)
return True
def load_block(self, digest):
"""
Actually perform loading of the block.
"""
logging.debug("BM Loading block " + base64.b64encode(digest) +
" " + Container.code_name(self.get_block_code(digest)))
if self.block_epoch.has_key(digest):
# Block exists in the temporary cache.
self._update_block_epoch(digest)
return self.tmp_blocks[digest]
if self.cached_blocks.has_key(digest):
#
# Blocks that sit in self.cached_blocks are never unloaded
#
return self.cached_blocks[digest]
raise Exception("Block is unknown.")