def sendfile(self, respiter):
if self.cfg.is_ssl or not self.can_sendfile():
return False
if not util.has_fileno(respiter.filelike):
return False
fileno = respiter.filelike.fileno()
try:
offset = os.lseek(fileno, 0, os.SEEK_CUR)
if self.response_length is None:
filesize = os.fstat(fileno).st_size
nbytes = filesize - offset
else:
nbytes = self.response_length
except (OSError, io.UnsupportedOperation):
return False
self.send_headers()
if self.is_chunked():
chunk_size = "%X\r\n" % nbytes
self.sock.sendall(chunk_size.encode('utf-8'))
self.sock.sendfile(respiter.filelike, count=nbytes)
if self.is_chunked():
self.sock.sendall(b"\r\n")
os.lseek(fileno, offset, os.SEEK_SET)
return True
def sendfile(self, respiter):
# 如果是https, 不能使用sendfile, 因为数据需要加密
# https://stackoverflow.com/questions/50792406/issue-when-using-sendfile-with-ssl
if self.cfg.is_ssl or not self.can_sendfile():
return False
if not util.has_fileno(respiter.filelike):
return False
fileno = respiter.filelike.fileno()
try:
offset = os.lseek(fileno, 0, os.SEEK_CUR)
if self.response_length is None:
filesize = os.fstat(fileno).st_size
# The file may be special and sendfile will fail.
# It may also be zero-length, but that is okay.
if filesize == 0:
return False
nbytes = filesize - offset
else:
nbytes = self.response_length
except (OSError, io.UnsupportedOperation):
return False
self.send_headers()
if self.is_chunked():
chunk_size = "%X\r\n" % nbytes
self.sock.sendall(chunk_size.encode('utf-8'))
sockno = self.sock.fileno()
sent = 0
while sent != nbytes:
count = min(nbytes - sent, BLKSIZE)
sent += os.sendfile(sockno, fileno, offset + sent, count)
if self.is_chunked():
self.sock.sendall(b"\r\n")
os.lseek(fileno, offset, os.SEEK_SET)
return True
def sendfile(self, respiter):
if self.cfg.is_ssl or not self.can_sendfile():
return False
if not util.has_fileno(respiter.filelike):
return False
fileno = respiter.filelike.fileno()
try:
offset = os.lseek(fileno, 0, os.SEEK_CUR)
if self.response_length is None:
filesize = os.fstat(fileno).st_size
# The file may be special and sendfile will fail.
# It may also be zero-length, but that is okay.
if filesize == 0:
return False
nbytes = filesize - offset
else:
nbytes = self.response_length
except (OSError, io.UnsupportedOperation):
return False
self.send_headers()
if self.is_chunked():
chunk_size = "%X\r\n" % nbytes
self.sock.sendall(chunk_size.encode('utf-8'))
sockno = self.sock.fileno()
sent = 0
while sent != nbytes:
count = min(nbytes - sent, BLKSIZE)
sent += sendfile(sockno, fileno, offset + sent, count)
if self.is_chunked():
self.sock.sendall(b"\r\n")
os.lseek(fileno, offset, os.SEEK_SET)
return True
