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discard """
file: "tioselectors.nim"
output: "All tests passed!"
"""
import ioselectors
const hasThreadSupport = compileOption("threads")
template processTest(t, x: untyped) =
#stdout.write(t)
#stdout.flushFile()
if not x: echo(t & " FAILED\r\n")
when not defined(windows):
import os, posix, osproc, nativesockets, times
const supportedPlatform = defined(macosx) or defined(freebsd) or
defined(netbsd) or defined(openbsd) or
defined(linux)
proc socket_notification_test(): bool =
proc create_test_socket(): SocketHandle =
var sock = posix.socket(posix.AF_INET, posix.SOCK_STREAM,
posix.IPPROTO_TCP)
var x: int = fcntl(sock, F_GETFL, 0)
if x == -1: raiseOSError(osLastError())
else:
var mode = x or O_NONBLOCK
if fcntl(sock, F_SETFL, mode) == -1:
raiseOSError(osLastError())
result = sock
var client_message = "SERVER HELLO =>"
var server_message = "CLIENT HELLO"
var buffer : array[128, char]
var selector = newSelector[int]()
var client_socket = create_test_socket()
var server_socket = create_test_socket()
registerHandle(selector, server_socket, {Event.Read}, 0)
registerHandle(selector, client_socket, {Event.Write}, 0)
var option : int32 = 1
if setsockopt(server_socket, cint(SOL_SOCKET), cint(SO_REUSEADDR),
addr(option), sizeof(option).SockLen) < 0:
raiseOSError(osLastError())
var aiList = getAddrInfo("0.0.0.0", Port(13337))
if bindAddr(server_socket, aiList.ai_addr,
aiList.ai_addrlen.Socklen) < 0'i32:
dealloc(aiList)
raiseOSError(osLastError())
discard server_socket.listen()
dealloc(aiList)
aiList = getAddrInfo("127.0.0.1", Port(13337))
discard posix.connect(client_socket, aiList.ai_addr,
aiList.ai_addrlen.Socklen)
dealloc(aiList)
var rc1 = selector.select(100)
assert(len(rc1) == 2)
var sockAddress: SockAddr
var addrLen = sizeof(sockAddress).Socklen
var server2_socket = accept(server_socket,
cast[ptr SockAddr](addr(sockAddress)),
addr(addrLen))
assert(server2_socket != osInvalidSocket)
selector.registerHandle(server2_socket, {Event.Read}, 0)
if posix.send(client_socket, addr(client_message[0]),
len(client_message), 0) == -1:
raiseOSError(osLastError())
selector.updateHandle(client_socket, {Event.Read})
var rc2 = selector.select(100)
assert(len(rc2) == 1)
var read_count = posix.recv(server2_socket, addr (buffer[0]), 128, 0)
if read_count == -1:
raiseOSError(osLastError())
assert(read_count == len(client_message))
var test1 = true
for i in 0..<read_count:
if client_message[i] != buffer[i]:
test1 = false
break
assert(test1)
selector.updateHandle(server2_socket, {Event.Write})
var rc3 = selector.select(0)
assert(len(rc3) == 1)
if posix.send(server2_socket, addr(server_message[0]),
len(server_message), 0) == -1:
raiseOSError(osLastError())
selector.updateHandle(server2_socket, {Event.Read})
var rc4 = selector.select(100)
assert(len(rc4) == 1)
read_count = posix.recv(client_socket, addr(buffer[0]), 128, 0)
if read_count == -1:
raiseOSError(osLastError())
assert(read_count == len(server_message))
var test2 = true
for i in 0..<read_count:
if server_message[i] != buffer[i]:
test2 = false
break
assert(test2)
selector.unregister(server_socket)
selector.unregister(server2_socket)
selector.unregister(client_socket)
discard posix.close(server_socket)
discard posix.close(server2_socket)
discard posix.close(client_socket)
assert(selector.isEmpty())
close(selector)
result = true
proc event_notification_test(): bool =
var selector = newSelector[int]()
var event = newEvent()
selector.registerEvent(event, 1)
selector.flush()
event.setEvent()
var rc1 = selector.select(0)
event.setEvent()
var rc2 = selector.select(0)
var rc3 = selector.select(0)
assert(len(rc1) == 1 and len(rc2) == 1 and len(rc3) == 0)
var ev1 = rc1[0].data
var ev2 = rc2[0].data
assert(ev1 == 1 and ev2 == 1)
selector.unregister(event)
event.close()
assert(selector.isEmpty())
selector.close()
result = true
when supportedPlatform:
proc timer_notification_test(): bool =
var selector = newSelector[int]()
var timer = selector.registerTimer(100, false, 0)
var rc1 = selector.select(140)
var rc2 = selector.select(140)
assert(len(rc1) == 1 and len(rc2) == 1)
selector.unregister(timer)
selector.flush()
selector.registerTimer(100, true, 0)
var rc3 = selector.select(120)
var rc4 = selector.select(120)
assert(len(rc3) == 1 and len(rc4) == 0)
assert(selector.isEmpty())
selector.close()
result = true
proc process_notification_test(): bool =
var selector = newSelector[int]()
var process2 = startProcess("/bin/sleep", "", ["2"], nil,
{poStdErrToStdOut, poUsePath})
discard startProcess("/bin/sleep", "", ["1"], nil,
{poStdErrToStdOut, poUsePath})
selector.registerProcess(process2.processID, 0)
var rc1 = selector.select(1500)
var rc2 = selector.select(1500)
var r = len(rc1) + len(rc2)
assert(r == 1)
result = true
proc signal_notification_test(): bool =
var sigset1n, sigset1o, sigset2n, sigset2o: Sigset
var pid = posix.getpid()
discard sigemptyset(sigset1n)
discard sigemptyset(sigset1o)
discard sigemptyset(sigset2n)
discard sigemptyset(sigset2o)
when hasThreadSupport:
if pthread_sigmask(SIG_BLOCK, sigset1n, sigset1o) == -1:
raiseOSError(osLastError())
else:
if sigprocmask(SIG_BLOCK, sigset1n, sigset1o) == -1:
raiseOSError(osLastError())
var selector = newSelector[int]()
var s1 = selector.registerSignal(SIGUSR1, 1)
var s2 = selector.registerSignal(SIGUSR2, 2)
var s3 = selector.registerSignal(SIGTERM, 3)
selector.flush()
discard posix.kill(pid, SIGUSR1)
discard posix.kill(pid, SIGUSR2)
discard posix.kill(pid, SIGTERM)
var rc = selector.select(0)
selector.unregister(s1)
selector.unregister(s2)
selector.unregister(s3)
when hasThreadSupport:
if pthread_sigmask(SIG_BLOCK, sigset2n, sigset2o) == -1:
raiseOSError(osLastError())
else:
if sigprocmask(SIG_BLOCK, sigset2n, sigset2o) == -1:
raiseOSError(osLastError())
assert(len(rc) == 3)
assert(rc[0].data + rc[1].data + rc[2].data == 6) # 1 + 2 + 3
assert(equalMem(addr sigset1o, addr sigset2o, sizeof(Sigset)))
assert(selector.isEmpty())
result = true
when hasThreadSupport:
var counter = 0
proc event_wait_thread(event: SelectEvent) {.thread.} =
var selector = newSelector[int]()
selector.registerEvent(event, 1)
selector.flush()
var rc = selector.select(1000)
if len(rc) == 1:
inc(counter)
selector.unregister(event)
assert(selector.isEmpty())
proc mt_event_test(): bool =
var
thr: array [0..7, Thread[SelectEvent]]
var selector = newSelector[int]()
var sock = newNativeSocket()
var event = newEvent()
for i in 0..high(thr):
createThread(thr[i], event_wait_thread, event)
selector.registerHandle(sock, {Event.Read}, 1)
discard selector.select(500)
selector.unregister(sock)
event.setEvent()
joinThreads(thr)
assert(counter == 1)
result = true
processTest("Socket notification test...", socket_notification_test())
processTest("User event notification test...", event_notification_test())
when hasThreadSupport:
processTest("Multithreaded user event notification test...",
mt_event_test())
when supportedPlatform:
processTest("Timer notification test...", timer_notification_test())
processTest("Process notification test...", process_notification_test())
processTest("Signal notification test...", signal_notification_test())
echo("All tests passed!")
else:
import nativesockets, winlean, os, osproc
proc socket_notification_test(): bool =
proc create_test_socket(): SocketHandle =
var sock = newNativeSocket()
setBlocking(sock, false)
result = sock
var client_message = "SERVER HELLO =>"
var server_message = "CLIENT HELLO"
var buffer : array[128, char]
var selector = newSelector[int]()
var client_socket = create_test_socket()
var server_socket = create_test_socket()
selector.registerHandle(server_socket, {Event.Read}, 0)
selector.registerHandle(client_socket, {Event.Write}, 0)
var option : int32 = 1
if setsockopt(server_socket, cint(SOL_SOCKET), cint(SO_REUSEADDR),
addr(option), sizeof(option).SockLen) < 0:
raiseOSError(osLastError())
var aiList = getAddrInfo("0.0.0.0", Port(13337))
if bindAddr(server_socket, aiList.ai_addr,
aiList.ai_addrlen.Socklen) < 0'i32:
dealloc(aiList)
raiseOSError(osLastError())
discard server_socket.listen()
dealloc(aiList)
aiList = getAddrInfo("127.0.0.1", Port(13337))
discard connect(client_socket, aiList.ai_addr,
aiList.ai_addrlen.Socklen)
dealloc(aiList)
# for some reason Windows select doesn't return both
# descriptors from first call, so we need to make 2 calls
discard selector.select(100)
var rcm = selector.select(100)
assert(len(rcm) == 2)
var sockAddress = SockAddr()
var addrLen = sizeof(sockAddress).Socklen
var server2_socket = accept(server_socket,
cast[ptr SockAddr](addr(sockAddress)),
addr(addrLen))
assert(server2_socket != osInvalidSocket)
selector.registerHandle(server2_socket, {Event.Read}, 0)
if send(client_socket, cast[pointer](addr(client_message[0])),
cint(len(client_message)), 0) == -1:
raiseOSError(osLastError())
selector.updateHandle(client_socket, {Event.Read})
var rc2 = selector.select(100)
assert(len(rc2) == 1)
var read_count = recv(server2_socket, addr (buffer[0]), 128, 0)
if read_count == -1:
raiseOSError(osLastError())
assert(read_count == len(client_message))
var test1 = true
for i in 0..<read_count:
if client_message[i] != buffer[i]:
test1 = false
break
assert(test1)
if send(server2_socket, cast[pointer](addr(server_message[0])),
cint(len(server_message)), 0) == -1:
raiseOSError(osLastError())
var rc3 = selector.select(0)
assert(len(rc3) == 1)
read_count = recv(client_socket, addr(buffer[0]), 128, 0)
if read_count == -1:
raiseOSError(osLastError())
assert(read_count == len(server_message))
var test2 = true
for i in 0..<read_count:
if server_message[i] != buffer[i]:
test2 = false
break
assert(test2)
selector.unregister(server_socket)
selector.unregister(server2_socket)
selector.unregister(client_socket)
close(server_socket)
close(server2_socket)
close(client_socket)
assert(selector.isEmpty())
close(selector)
result = true
proc event_notification_test(): bool =
var selector = newSelector[int]()
var event = newEvent()
selector.registerEvent(event, 1)
selector.flush()
event.setEvent()
var rc1 = selector.select(0)
event.setEvent()
var rc2 = selector.select(0)
var rc3 = selector.select(0)
assert(len(rc1) == 1 and len(rc2) == 1 and len(rc3) == 0)
var ev1 = rc1[0].data
var ev2 = rc2[0].data
assert(ev1 == 1 and ev2 == 1)
selector.unregister(event)
event.close()
assert(selector.isEmpty())
selector.close()
result = true
when hasThreadSupport:
var counter = 0
proc event_wait_thread(event: SelectEvent) {.thread.} =
var selector = newSelector[int]()
selector.registerEvent(event, 1)
selector.flush()
var rc = selector.select(500)
if len(rc) == 1:
inc(counter)
selector.unregister(event)
assert(selector.isEmpty())
proc mt_event_test(): bool =
var thr: array [0..7, Thread[SelectEvent]]
var event = newEvent()
for i in 0..high(thr):
createThread(thr[i], event_wait_thread, event)
event.setEvent()
joinThreads(thr)
assert(counter == 1)
result = true
processTest("Socket notification test...", socket_notification_test())
processTest("User event notification test...", event_notification_test())
when hasThreadSupport:
processTest("Multithreaded user event notification test...",
mt_event_test())
echo("All tests passed!")
|