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
|
#
# gensio - A library for abstracting stream I/O
# Copyright (C) 2018 Corey Minyard <minyard@acm.org>
#
# SPDX-License-Identifier: GPL-2.0-only
#
from utils import *
import gensio
class ScrHandler:
def __init__(self, name, o):
self.name = name
self.o = o
self.waiter = gensio.waiter(o)
self.io = None
self.expect_read = None
self.expect_read_pos = 0
self.expect_read_err = None
self.expect_close = False
self.expect_open = False
self.expect_open_err = None
return
def set_expect_read(self, data):
self.expect_read_pos = 0;
self.expect_read = conv_to_bytes(data)
return
def set_expect_read_err(self, err):
self.expect_read_err = err
return
def read_callback(self, io, err, buf, auxdata):
if err is not None:
if self.expect_read_err is not None and err == self.expect_read_err:
self.waiter.wake()
else:
raise Exception(self.name + ": Got read error: " + err);
return 0
i = 0
while self.expect_read_pos < len(self.expect_read) and i < len(buf):
#print("Compare %2.2x %2.2x"
# % (buf[i], self.expect_read[self.expect_read_pos]))
if buf[i] != self.expect_read[self.expect_read_pos]:
raise Exception(self.name + ": data mismatch on byte %d"
% self.expect_read_pos);
i += 1
self.expect_read_pos += 1
if self.expect_read_pos >= len(self.expect_read):
if i < len(buf):
raise Exception(self.name +
": Unexpected data from connection")
self.expect_read = None
self.waiter.wake()
return len(buf)
def write_callback(self, io):
return
def new_connection(self, acc, io):
self.io = io
self.io.set_cbs(self)
self.io.read_cb_enable(True)
self.waiter.wake()
return
def close_done(self, io):
if not self.expect_close:
raise Exception(self.name + ": Unexpected close")
self.waiter.wake()
return
def set_expect_close(self):
self.expect_close = True
return
def open_done(self, io, err):
if not self.expect_open:
raise Exception(self.name + ": Unexpected open")
if err is not None:
if self.expect_open_err is not None:
if err != self.expect_open_err:
raise Exception(self.name + ": Wrong open error: "
+ err)
else:
raise Exception(self.name + ": Unexpected open error: "
+ err)
elif self.expect_open_err is not None:
raise Exception(self.name + ": Expected open error")
if err is None:
self.io.read_cb_enable(True)
self.waiter.wake()
return
def set_expect_open(self, expect_err = None):
self.expect_open = True
self.expect_open_err = expect_err
return
def wait(self, count = 1, timeout = 0):
if (timeout > 0):
return self.waiter.wait_timeout(count, timeout)
else:
return self.waiter.wait(count)
return
print("Testing basic connection")
handleacc = ScrHandler("acc", o)
acc = gensio.gensio_accepter(o, "tcp,localhost,0", handleacc)
acc.startup()
port = acc.control(gensio.GENSIO_CONTROL_DEPTH_FIRST,
gensio.GENSIO_CONTROL_GET,
gensio.GENSIO_ACC_CONTROL_LPORT, "0")
handlecon = ScrHandler("con", o)
con = gensio.gensio(o, "script(script=./echotest%s),tcp,localhost,%s"
% (execext, port),
handlecon)
handlecon.io = con
con.open(handlecon)
if (handleacc.wait(timeout = 10000000) == 0):
raise Exception("Timeout waiting for accepter")
if (handlecon.wait(timeout = 100) != 0):
raise Exception("Got unexpected open on connection")
# The connection should be echoing from echotest
teststr = "Hi" + endline
handleacc.set_expect_read(teststr)
handleacc.io.write(teststr, None)
if (handleacc.wait(timeout = 10000000) == 0):
raise Exception("Timeout waiting for acc data")
# Now finish the connection successfully
handlecon.set_expect_open()
handleacc.set_expect_read("x") # \n doesn't get echoed.
handleacc.io.write("x\n", None)
if (handleacc.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for acc close data")
if (handlecon.wait(timeout = 1000) == 0):
raise Exception("Connection did not open")
# Transfer some data to make sure that is working
handleacc.set_expect_read("Test String1")
handlecon.io.write("Test String1", None)
if (handleacc.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for acc data")
handlecon.set_expect_read("test String2")
handleacc.io.write("test String2", None)
if (handlecon.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for con data")
# Now close it
handleacc.set_expect_read_err("Remote end closed connection")
handlecon.set_expect_close()
con.close(handlecon)
if (handlecon.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for con close")
if (handleacc.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for acc close")
del con
del acc
del handleacc.io
del handlecon.io
del handleacc
del handlecon
print("Testing error from script")
# This time cause the script to return an error
handleacc = ScrHandler("acc", o)
acc = gensio.gensio_accepter(o, "tcp,0", handleacc)
acc.startup()
port = acc.control(gensio.GENSIO_CONTROL_DEPTH_FIRST,
gensio.GENSIO_CONTROL_GET,
gensio.GENSIO_ACC_CONTROL_LPORT, "0")
handlecon = ScrHandler("con", o)
con = gensio.gensio(o, "script(script=./echotest%s),tcp,localhost,%s"
% (execext, port),
handlecon)
handlecon.io = con
con.open(handlecon)
if (handleacc.wait(timeout = 10000000) == 0):
raise Exception("Timeout waiting for accepter")
if (handlecon.wait(timeout = 100) != 0):
raise Exception("Got unexpected open on connection")
# Finish the connection causing the script to return an error
handlecon.set_expect_open("Local end closed connection")
handleacc.set_expect_read_err("Remote end closed connection")
handleacc.set_expect_read("e") # \n doesn't get echoed.
handleacc.io.write("e\n", None)
if (handleacc.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for acc close data")
if (handlecon.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for con close")
if (handleacc.wait(timeout = 1000) == 0):
raise Exception("Timeout waiting for acc close")
del con
del acc
del handleacc.io
del handlecon.io
del handleacc
del handlecon
del o
test_shutdown()
print(" Success!")
|
