1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#!/usr/bin/python3
import argparse
import collections
import errno
import os
import pathlib
import socket
import sys
with open("/proc/mounts", 'r') as f:
mount = [ line.split()[1] for line in f if "sysfs" in line ]
if len(mount) == 0:
print("ERROR: sysfs is not mounted")
sys.exit(1)
sunrpc = pathlib.Path(mount[0]) / "kernel" / "sunrpc"
if not sunrpc.is_dir():
print("ERROR: sysfs does not have sunrpc directory")
sys.exit(1)
def read_addr_file(path):
try:
with open(path, 'r') as f:
return f.readline().strip()
except:
return "(enoent)"
def write_addr_file(path, newaddr):
with open(path, 'w') as f:
f.write(newaddr)
return read_addr_file(path)
def read_info_file(path):
res = collections.defaultdict(int)
try:
with open(path) as info:
lines = [ l.split("=", 1) for l in info if "=" in l ]
res.update({ key:int(val.strip()) for (key, val) in lines })
finally:
return res
class Xprt:
def __init__(self, path):
self.path = path
self.name = path.stem.rsplit("-", 1)[0]
self.type = path.stem.split("-")[2]
self.info = read_info_file(path / "xprt_info")
self.dstaddr = read_addr_file(path / "dstaddr")
self.srcaddr = read_addr_file(path / "srcaddr")
with open(path / "xprt_state") as f:
self.state = ','.join(f.readline().split()[1:])
def __lt__(self, rhs):
return self.name < rhs.name
def _xprt(self):
main = ", main" if self.info.get("main_xprt") else ""
return f"{self.name}: {self.type}, {self.dstaddr}, " \
f"port {self.info['dst_port']}, state <{self.state}>{main}"
def _src_reqs(self):
return f" Source: {self.srcaddr}, port {self.info['src_port']}, " \
f"Requests: {self.info['num_reqs']}"
def _cong_slots(self):
return f" Congestion: cur {self.info['cur_cong']}, win {self.info['cong_win']}, " \
f"Slots: min {self.info['min_num_slots']}, max {self.info['max_num_slots']}"
def _queues(self):
return f" Queues: binding {self.info['binding_q_len']}, " \
f"sending {self.info['sending_q_len']}, pending {self.info['pending_q_len']}, " \
f"backlog {self.info['backlog_q_len']}, tasks {self.info['tasks_queuelen']}"
def __str__(self):
return "\n".join([self._xprt(), self._src_reqs(),
self._cong_slots(), self._queues() ])
def small_str(self):
main = " [main]" if self.info.get("main_xprt") else ""
return f"{self.name}: {self.type}, {self.dstaddr}{main}"
def set_dstaddr(self, newaddr):
self.dstaddr = write_addr_file(self.path / "dstaddr", newaddr)
def add_command(subparser):
parser = subparser.add_parser("xprt", help="Commands for individual xprts")
parser.set_defaults(func=Xprt.show, xprt=None)
subparser = parser.add_subparsers()
show = subparser.add_parser("show", help="Show xprts")
show.add_argument("xprt", metavar="XPRT", nargs='?',
help="Name of a specific xprt to show")
show.set_defaults(func=Xprt.show)
set = subparser.add_parser("set", help="Change an xprt property")
set.add_argument("xprt", metavar="XPRT", nargs=1,
help="Name of a specific xprt to modify")
subparser = set.add_subparsers(required=True)
dstaddr = subparser.add_parser("dstaddr", help="Change an xprt's dstaddr")
dstaddr.add_argument("newaddr", metavar="NEWADDR", nargs=1,
help="The new address for the xprt")
dstaddr.set_defaults(func=Xprt.set_property, property="dstaddr")
def get_by_name(name):
glob = f"**/{name}-*" if name else "**/xprt-*"
res = [ Xprt(x) for x in (sunrpc / "xprt-switches").glob(glob) ]
if name and len(res) == 0:
raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT),
f"{sunrpc / 'xprt-switches' / glob}")
return sorted(res)
def show(args):
for xprt in Xprt.get_by_name(args.xprt):
print(xprt)
def set_property(args):
for xprt in Xprt.get_by_name(args.xprt[0]):
if args.property == "dstaddr":
xprt.set_dstaddr(socket.gethostbyname(args.newaddr[0]))
print(xprt)
class XprtSwitch:
def __init__(self, path, sep=":"):
self.path = path
self.name = path.stem
self.info = read_info_file(path / "xprt_switch_info")
self.xprts = sorted([ Xprt(p) for p in self.path.iterdir() if p.is_dir() ])
self.sep = sep
def __lt__(self, rhs):
return self.name < rhs.name
def __str__(self):
switch = f"{self.name}{self.sep} " \
f"xprts {self.info['num_xprts']}, " \
f"active {self.info['num_active']}, " \
f"queue {self.info['queue_len']}"
xprts = [ f" {x.small_str()}" for x in self.xprts ]
return "\n".join([ switch ] + xprts)
def add_command(subparser):
parser = subparser.add_parser("switch", help="Commands for xprt switches")
parser.set_defaults(func=XprtSwitch.show, switch=None)
subparser = parser.add_subparsers()
show = subparser.add_parser("show", help="Show xprt switches")
show.add_argument("switch", metavar="SWITCH", nargs='?',
help="Name of a specific switch to show")
show.set_defaults(func=XprtSwitch.show)
set = subparser.add_parser("set", help="Change an xprt switch property")
set.add_argument("switch", metavar="SWITCH", nargs=1,
help="Name of a specific xprt switch to modify")
subparser = set.add_subparsers(required=True)
dstaddr = subparser.add_parser("dstaddr", help="Change an xprt switch's dstaddr")
dstaddr.add_argument("newaddr", metavar="NEWADDR", nargs=1,
help="The new address for the xprt switch")
dstaddr.set_defaults(func=XprtSwitch.set_property, property="dstaddr")
def get_by_name(name):
xprt_switches = sunrpc / "xprt-switches"
if name:
return [ XprtSwitch(xprt_switches / name) ]
return [ XprtSwitch(f) for f in sorted(xprt_switches.iterdir()) ]
def show(args):
for switch in XprtSwitch.get_by_name(args.switch):
print(switch)
def set_property(args):
for switch in XprtSwitch.get_by_name(args.switch[0]):
resolved = socket.gethostbyname(args.newaddr[0])
for xprt in switch.xprts:
xprt.set_dstaddr(resolved)
print(switch)
class RpcClient:
def __init__(self, path):
self.path = path
self.name = path.stem
self.switch = XprtSwitch(path / (path / "switch").readlink(), sep=",")
def __lt__(self, rhs):
return self.name < rhs.name
def __str__(self):
return f"{self.name}: {self.switch}"
def add_command(subparser):
parser = subparser.add_parser("client", help="Commands for rpc clients")
parser.set_defaults(func=RpcClient.show, client=None)
subparser = parser.add_subparsers()
show = subparser.add_parser("show", help="Show rpc clients")
show.add_argument("client", metavar="CLIENT", nargs='?',
help="Name of a specific rpc client to show")
parser.set_defaults(func=RpcClient.show)
def get_by_name(name):
rpc_clients = sunrpc / "rpc-clients"
if name:
return [ RpcClient(rpc_clients / name) ]
return [ RpcClient(f) for f in sorted(rpc_clients.iterdir()) ]
def show(args):
for client in RpcClient.get_by_name(args.client):
print(client)
parser = argparse.ArgumentParser()
def show_small_help(args):
parser.print_usage()
print("sunrpc dir:", sunrpc)
parser.set_defaults(func=show_small_help)
subparser = parser.add_subparsers(title="commands")
RpcClient.add_command(subparser)
XprtSwitch.add_command(subparser)
Xprt.add_command(subparser)
args = parser.parse_args()
try:
args.func(args)
except Exception as e:
print(str(e))
sys.exit(1)
|
