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-rwxr-xr-xapi/examples/getvolfile.py59
1 files changed, 30 insertions, 29 deletions
diff --git a/api/examples/getvolfile.py b/api/examples/getvolfile.py
index 184586c632d..0c95213f0b6 100755
--- a/api/examples/getvolfile.py
+++ b/api/examples/getvolfile.py
@@ -7,37 +7,38 @@ api = ctypes.CDLL(ctypes.util.find_library("gfapi"))
api.glfs_get_volfile.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_ulong]
-api.glfs_get_volfile.restype = ctypes.c_long;
+api.glfs_get_volfile.restype = ctypes.c_long
-def get_volfile (host, volume):
- # This is set to a large value to exercise the "buffer not big enough"
- # path. More realistically, you'd just start with a huge buffer.
- BUF_LEN = 0
- fs = api.glfs_new(volume)
- #api.glfs_set_logging(fs,"/dev/stderr",7)
- api.glfs_set_volfile_server(fs,"tcp",host,24007)
- api.glfs_init(fs)
- vbuf = ctypes.create_string_buffer(BUF_LEN)
- vlen = api.glfs_get_volfile(fs,vbuf,BUF_LEN)
- if vlen < 0:
- vlen = BUF_LEN - vlen
- vbuf = ctypes.create_string_buffer(vlen)
- vlen = api.glfs_get_volfile(fs,vbuf,vlen)
- api.glfs_fini(fs)
- if vlen <= 0:
- return vlen
- return vbuf.value[:vlen]
+
+def get_volfile(host, volume):
+ # This is set to a large value to exercise the "buffer not big enough"
+ # path. More realistically, you'd just start with a huge buffer.
+ BUF_LEN = 0
+ fs = api.glfs_new(volume)
+ # api.glfs_set_logging(fs,"/dev/stderr",7)
+ api.glfs_set_volfile_server(fs, "tcp", host, 24007)
+ api.glfs_init(fs)
+ vbuf = ctypes.create_string_buffer(BUF_LEN)
+ vlen = api.glfs_get_volfile(fs, vbuf, BUF_LEN)
+ if vlen < 0:
+ vlen = BUF_LEN - vlen
+ vbuf = ctypes.create_string_buffer(vlen)
+ vlen = api.glfs_get_volfile(fs, vbuf, vlen)
+ api.glfs_fini(fs)
+ if vlen <= 0:
+ return vlen
+ return vbuf.value[:vlen]
if __name__ == "__main__":
- import sys
+ import sys
- try:
- res = apply(get_volfile,sys.argv[1:3])
- except:
- print "fetching volfile failed (volume not started?)"
+ try:
+ res = apply(get_volfile, sys.argv[1:3])
+ except:
+ print "fetching volfile failed (volume not started?)"
- try:
- for line in res.split('\n'):
- print line
- except:
- print "bad return value %s" % res
+ try:
+ for line in res.split('\n'):
+ print line
+ except:
+ print "bad return value %s" % res