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-- SPDX-License-Identifier: GPL-3.0-or-later
local cqsocket = require('cqueues.socket')
local strerror = require('cqueues.errno').strerror
local timeout = 5 -- seconds, per socket operation
-- TODO: we get memory leaks from cqueues, but CI runs this without leak detection anyway
local ctrl_sock_txt, ctrl_sock_bin, ctrl_sock_txt_longcmd, ctrl_sock_bin_longcmd
local ctrl_sock_txt_partcmd, ctrl_sock_bin_partcmd
local function onerr_fail(_, method, errno, stacklevel)
local errmsg = string.format('socket error: method %s error %d (%s)',
method, errno, strerror(errno))
fail(debug.traceback(errmsg, stacklevel))
end
local function switch_to_binary_mode(sock)
data = sock:xread(2, nil, timeout)
sock:xwrite('__binary\n', nil, timeout)
same(data, '> ', 'probably successful switch to binary mode')
end
local function socket_connect(path)
sock = cqsocket.connect({ path = path, nonblock = true })
sock:onerror(onerr_fail)
sock:setmode('bn', 'bn')
return sock
end
local function socket_fixture()
local path = worker.cwd..'/control/'..worker.pid
same(true, net.listen(path, nil, {kind = 'control'}), 'new control sockets were created')
ctrl_sock_txt = socket_connect(path)
ctrl_sock_txt_longcmd = socket_connect(path)
ctrl_sock_txt_partcmd = socket_connect(path)
ctrl_sock_bin = socket_connect(path)
switch_to_binary_mode(ctrl_sock_bin)
ctrl_sock_bin_longcmd = socket_connect(path)
switch_to_binary_mode(ctrl_sock_bin_longcmd)
ctrl_sock_bin_partcmd = socket_connect(path)
switch_to_binary_mode(ctrl_sock_bin_partcmd)
end
local function test_text_prompt()
data = ctrl_sock_txt:xread(2, nil, timeout)
same(data, '> ', 'text prompt looks like expected')
end
local function test_text_single_command()
local string = "this is test"
local input = string.format("'%s'\n", string)
local expect = input
ctrl_sock_txt:xwrite(input, nil, timeout)
data = ctrl_sock_txt:xread(#expect, nil, timeout)
same(data, expect,
'text mode returns output in expected format')
end
local function binary_xread_len(sock)
data = sock:xread(4, nil, timeout)
local len = tonumber(data:byte(1))
for i=2,4 do
len = bit.bor(bit.lshift(len, 8), tonumber(data:byte(i)))
end
return len
end
local function test_binary_more_syscalls()
local len
ctrl_sock_bin:xwrite('worker.p', nil, timeout)
worker.sleep(0.01)
ctrl_sock_bin:xwrite('id\n', nil, timeout)
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns number in expected format')
ctrl_sock_bin:xwrite('worker.p', nil, timeout)
worker.sleep(0.01)
ctrl_sock_bin:xwrite('id\nworker.id\n', nil, timeout)
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns number in expected format')
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, string.format("'%s'", worker.id),
'binary mode returns string in expected format')
ctrl_sock_bin:xwrite('worker.pid', nil, timeout)
worker.sleep(0.01)
ctrl_sock_bin:xwrite('\n', nil, timeout)
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns output in expected format')
ctrl_sock_bin:xwrite('worker.pid', nil, timeout)
worker.sleep(0.01)
ctrl_sock_bin:xwrite('\nworker.id', nil, timeout)
worker.sleep(0.01)
ctrl_sock_bin:xwrite('\n', nil, timeout)
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns number in expected format')
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, string.format("'%s'", worker.id),
'binary mode returns string in expected format')
ctrl_sock_bin:xwrite('worker.pid\nworker.pid\nworker.pid\nworker.pid\n', nil, timeout)
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns number in expected format')
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns number in expected format')
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns number in expected format')
len = binary_xread_len(ctrl_sock_bin)
data = ctrl_sock_bin:xread(len, nil, timeout)
same(data, tostring(worker.pid),
'binary mode returns number in expected format')
end
local function test_close_incomplete_cmd()
ctrl_sock_txt_partcmd:xwrite('worker.p', nil, timeout)
ctrl_sock_txt_partcmd:close()
pass('close text socket with short incomplete command')
ctrl_sock_bin_partcmd:xwrite('worker.p', nil, timeout)
ctrl_sock_bin_partcmd:close()
pass('close binary socket with short incomplete command')
end
local function test_close_during_transfer()
ctrl_sock_txt_longcmd:xwrite(string.rep('a', 1024*1024*10), nil, timeout)
ctrl_sock_txt_longcmd:close()
pass('close text socket with long incomplete command')
ctrl_sock_bin_longcmd:xwrite(string.rep('a', 1024*1024*10), nil, timeout)
ctrl_sock_bin_longcmd:close()
pass('close binary socket with long incomplete command')
end
local tests = {
socket_fixture,
test_text_prompt, -- prompt after connect
test_text_single_command,
test_text_prompt, -- new prompt when command is finished
test_close_incomplete_cmd,
test_close_during_transfer,
test_binary_more_syscalls,
test_text_single_command, -- command in text mode after execute commands in binary mode
test_text_prompt, -- new prompt when command is finished
}
return tests
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