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authorOle Troan <ot@cisco.com>2019-08-23 14:19:37 +0200
committerDave Barach <openvpp@barachs.net>2019-08-23 15:10:04 +0000
commita2ac36c91749d5377b263c3d99d484ac33854eef (patch)
tree439197f3c3be44fcdf0b27972fc1b5bca37d4fdf /src
parent84a563ae4050cc0389dcd438fbe9ea882f2b8404 (diff)
vppapitrace: add text output
Add new argument --todump, to mimic the VPP api trace dump output. Type: feature Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: Ia8c845b321ef9d55dd6e2f388165ca5498406ab6
Diffstat (limited to 'src')
-rwxr-xr-xsrc/tools/vppapitrace/vppapitrace.py73
1 files changed, 65 insertions, 8 deletions
diff --git a/src/tools/vppapitrace/vppapitrace.py b/src/tools/vppapitrace/vppapitrace.py
index df07580714d..640b820d994 100755
--- a/src/tools/vppapitrace/vppapitrace.py
+++ b/src/tools/vppapitrace/vppapitrace.py
@@ -28,7 +28,7 @@ from collections import namedtuple
from vpp_papi import MACAddress, VPPApiJSONFiles
import base64
import os
-
+import textwrap
def serialize_likely_small_unsigned_integer(x):
r = x
@@ -70,7 +70,7 @@ def unserialize_likely_small_unsigned_integer(data, offset):
def serialize_cstring(s):
bstring = s.encode('utf8')
l = len(bstring)
- b = serialize_likely_small_unsigned_integer(l))
+ b = serialize_likely_small_unsigned_integer(l)
b += struct.pack('{}s'.format(l), bstring)
return b
@@ -262,6 +262,55 @@ vpp.connect(name='vppapitrace')
return s
+def todump_items(k, v, level):
+ klen = len(k) if k else 0
+ spaces = ' ' * level + ' ' * (klen + 3)
+ wrapper = textwrap.TextWrapper(initial_indent="", subsequent_indent=spaces, width=60)
+ s = ''
+ if type(v) is dict:
+ if k:
+ s += ' ' * level + '{}:\n'.format(k)
+ for k2, v2 in v.items():
+ s += todump_items(k2, v2, level + 1)
+ return s
+
+ if type(v) is list:
+ for v2 in v:
+ s += '{}'.format(todump_items(k, v2, level))
+ return s
+
+ if type(v) is bytes:
+ w = wrapper.fill(bytes.hex(v))
+ s += ' ' * level + '{}: {}\n'.format(k, w)
+ else:
+ if type(v) is str:
+ v = wrapper.fill(v)
+ s += ' ' * level + '{}: {}\n'.format(k, v)
+ return s
+
+
+def todump(messages, services):
+ import pprint
+ pp = pprint.PrettyPrinter()
+
+ s = ''
+ for m in messages:
+ if m['name'] not in services:
+ s += '# ignoring reply message: {}\n'.format(m['name'])
+ continue
+ #if m['name'] in message_filter:
+ # s += '# ignoring message {}\n'.format(m['name'])
+ # continue
+ for k in argument_filter:
+ try:
+ m['args'].pop(k)
+ except KeyError:
+ pass
+ a = pp.pformat(m['args'])
+ s += '{}:\n'.format(m['name'])
+ s += todump_items(None, m['args'], 0)
+ return s
+
def init_api(apidir):
# Read API definitions
@@ -327,17 +376,21 @@ def generate(args):
JSON = 1
APITRACE = 2
PYTHON = 3
+ DUMP = 4
filename, file_extension = os.path.splitext(args.input)
input_type = JSON if file_extension == '.json' else APITRACE
filename, file_extension = os.path.splitext(args.output)
- if file_extension == '.json' or filename == '-':
- output_type = JSON
- elif file_extension == '.py':
- output_type = PYTHON
+ if args.todump:
+ output_type = DUMP
else:
- output_type = APITRACE
+ if file_extension == '.json' or filename == '-':
+ output_type = JSON
+ elif file_extension == '.py':
+ output_type = PYTHON
+ else:
+ output_type = APITRACE
if input_type == output_type:
sys.exit("error: Nothing to convert between")
@@ -372,6 +425,10 @@ def generate(args):
s = json.dumps(result, cls=VPPEncoder, default=vpp_encoder)
x = json.loads(s, object_hook=vpp_decode)
s = topython(x, services)
+ elif output_type == DUMP:
+ s = json.dumps(result, cls=VPPEncoder, default=vpp_encoder)
+ x = json.loads(s, object_hook=vpp_decode)
+ s = todump(x, services)
else:
s = json.dumps(result, cls=VPPEncoder,
default=vpp_encoder, indent=4 * ' ')
@@ -409,6 +466,7 @@ def main():
help='Convert API trace to JSON or Python and back')
parser_convert.add_argument('input',
help='Input file (API trace | JSON)')
+ parser_convert.add_argument('--todump', action='store_true', help='Output text format')
parser_convert.add_argument('output',
help='Output file (Python | JSON | API trace)')
parser_convert.set_defaults(func=generate)
@@ -424,7 +482,6 @@ def main():
parser_replay.set_defaults(func=replay)
args = parser.parse_args()
-
if args.debug:
logging.basicConfig(stream=sys.stdout, level=logging.DEBUG)