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Diffstat (limited to 'tests/SOCK_Connector_Test.cpp')
| -rw-r--r-- | tests/SOCK_Connector_Test.cpp | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/tests/SOCK_Connector_Test.cpp b/tests/SOCK_Connector_Test.cpp deleted file mode 100644 index 997621ec257..00000000000 --- a/tests/SOCK_Connector_Test.cpp +++ /dev/null @@ -1,314 +0,0 @@ -// $Id$ - -// ========================================================================== -// -// = LIBRARY -// tests -// -// = FILENAME -// SOCK_Connector_Test.cpp -// -// = DESCRIPTION -// This is a test of ACE_SOCK_Connector, focusing on failure cases more -// than on success cases. -// -// = AUTHOR -// Steve Huston <shuston@riverace.com> -// -// ========================================================================== - -#include "test_config.h" -#include "ace/OS_NS_string.h" -#include "ace/INET_Addr.h" -#include "ace/SOCK_Connector.h" -#include "ace/Time_Value.h" -#include "ace/SOCK_Stream.h" -#include "ace/OS_NS_sys_utsname.h" -#include "ace/OS_NS_netdb.h" - -ACE_RCSID(tests, SOCK_Connector_Test, "$Id$") - -// Host candidate list -struct Host_Candidate -{ - ACE_TCHAR host_name[MAXHOSTNAMELEN]; -}; - -const int MAX_CANDIDATES = 50; -Host_Candidate candidate[MAX_CANDIDATES]; - -#if !defined (ACE_LACKS_GETHOSTENT) -// Determine if a host exists, is reachable, and is up. Attempt a -// blocking connection to it; if it succeeds, then the host exists, is -// reachable, and is up. - -static u_int -host_is_up (ACE_TCHAR hostname[]) -{ - ACE_SOCK_Connector con; - ACE_SOCK_Stream sock; - - // The ACE_INET_Addr construction causes gethostbyname_r to be - // called, so we need to copy the hostname. - ACE_TCHAR test_host[MAXHOSTNAMELEN]; - ACE_OS::strcpy (test_host, hostname); - - ACE_INET_Addr another_host ((u_short) 7, test_host); - ACE_Time_Value timeout_value (5); - const int status = con.connect (sock, - another_host, - &timeout_value); - sock.close (); - return status == 0 ? 1 : 0; -} -#endif /* ! ACE_LACKS_GETHOSTENT */ - -// The original problem this program tested for was incorrectly saying -// a non-blocking connect completed successfully when it didn't. The -// test doesn't always work when done to localhost -// (platform-dependant) so we look around for another host - any other -// one will do. - -static void -find_another_host (ACE_TCHAR other_host[]) -{ - static ACE_TCHAR cached_other_host[MAXHOSTNAMELEN] = {'\0'}; - - if (cached_other_host[0] == '\0') - { - - ACE_OS::strcpy (other_host, - ACE_DEFAULT_SERVER_HOST); // If all else fails - -#if !defined (ACE_LACKS_GETHOSTENT) - // These gethost-type things don't work everywhere. - struct hostent *h; - ACE_utsname un; - - ACE_OS::uname (&un); - - h = ACE_OS::gethostbyname (un.nodename); - - if (h == 0) - ACE_OS::strcpy (other_host, ACE_LOCALHOST); - else - // Use me if can't find another - ACE_OS::strcpy (other_host, ACE_TEXT_CHAR_TO_TCHAR (h->h_name)); - - // @@ We really need to add wrappers for these hostent methods. - - // AIX 4.3 has problems with DNS usage when sethostent(1) is - // called - further DNS lookups don't work at all. -#if defined (ACE_AIX_MINOR_VERS) && (ACE_AIX_MINOR_VERS == 3) - sethostent (0); -#else - sethostent (1); -#endif /* (ACE_AIX_MINOR_VERS) && (ACE_AIX_MINOR_VERS == 3) */ - - int candidate_count = 0; - - // Accumulate candidates first. There is some interaction on - // Linux systems between <gethostent> and <gethostbyname_r> - // (called by ACE_INET_Addr in host_is_up) This otherwise causes - // an infinite loop on Linux --mas 03-08-2001 - while ((h = gethostent ()) != NULL) - { - if (ACE_OS::strcmp (h->h_name, ACE_DEFAULT_SERVER_HOST) == 0) - continue; - // AIX just _has_ to be different - if (ACE_OS::strcmp (h->h_name, "loopback") == 0) - continue; - - // If not me. - if (ACE_OS::strcmp (h->h_name, other_host) != 0 - && ACE_OS::strcmp (h->h_name, un.nodename) != 0) - { - ACE_OS::strcpy (candidate[candidate_count].host_name, - h->h_name); - if (++candidate_count >= MAX_CANDIDATES) - break; - } - } - - // Now try to connect to candidates - for (int i = 0; i < candidate_count; i++) - if (host_is_up (candidate[i].host_name)) - { - ACE_OS::strcpy (other_host, candidate[i].host_name); - break; - } - - endhostent (); -#endif /* ! ACE_LACKS_GETHOSTENT */ - - ACE_OS::strcpy (cached_other_host, other_host); - } - else - ACE_OS::strcpy (other_host, cached_other_host); -} - -static int -fail_no_listener_nonblocking (void) -{ - ACE_TCHAR test_host[MAXHOSTNAMELEN]; - int status; - ACE_INET_Addr nobody_home; - ACE_SOCK_Connector con; - ACE_SOCK_Stream sock; - ACE_Time_Value nonblock (0, 0); - - find_another_host (test_host); - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("Testing to host \"%s\"\n"), - test_host)); - - if (nobody_home.set ((u_short) 42000, test_host) == -1) - { - ACE_ERROR ((LM_ERROR, - ACE_TEXT ("Host lookup for %s %p\n"), - test_host, - ACE_TEXT ("failed"))); - return -1; - } - - status = con.connect (sock, nobody_home, &nonblock); - - // Need a port that will fail. - ACE_ASSERT (status == -1); - - // On some systems, a failed connect to localhost will return - // ECONNREFUSED or ENETUNREACH directly, instead of - // EWOULDBLOCK. That is also fine. - - if (errno == EWOULDBLOCK || errno == ECONNREFUSED || errno == ENETUNREACH) - { - if (sock.get_handle () != ACE_INVALID_HANDLE) - status = con.complete (sock); - - if (status != -1) - { - ACE_ERROR ((LM_ERROR, - ACE_TEXT ("Connect which should fail didn't\n"))); - status = -1; - } - else - { - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("%p\n"), - ACE_TEXT ("Proper fail"))); - status = 0; - } - } - else - { - ACE_DEBUG ((LM_WARNING, - ACE_TEXT ("Test not executed fully; ") - ACE_TEXT ("expected EWOULDBLOCK, %p (%d)\n"), - ACE_TEXT ("not"), errno)); - status = -1; - } - - // Just in case. - sock.close (); - - return status; -} - - -// This test tries to hit a port that's listening. Echo (7) is pretty -// popular. Just in case, though, it won't report a failure if it -// gets "refused" (no listener) since the real fixed bug this is -// testing is a returned error of EWOULDBLOCK when the connect really -// did work. That was a side-affect of how -// <ACE::handle_timed_complete> does checks on some systems. - -static int -succeed_nonblocking (void) -{ - ACE_TCHAR test_host[MAXHOSTNAMELEN]; - int status; - ACE_INET_Addr echo_server; - ACE_SOCK_Connector con; - ACE_SOCK_Stream sock; - ACE_Time_Value nonblock (0, 0); - u_short test_port = 7; // Echo - - find_another_host (test_host); - if (ACE_OS::strcmp (ACE_TEXT ("localhost"), test_host) == 0) - { -#if defined (ACE_WIN32) - test_port = 80; // Echo not available on Win32; try web server -#endif /* ACE_WIN32 */ - } - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("Testing to host \"%s\", port %d\n"), - test_host, test_port)); - if (echo_server.set (test_port, test_host) == -1) - { - ACE_ERROR ((LM_ERROR, - ACE_TEXT ("Host lookup for %s %p\n"), - test_host, - ACE_TEXT ("failed"))); - return -1; - } - status = con.connect (sock, echo_server, &nonblock); - - // Need to test the call to 'complete' really. - if (status == 0 || (status == -1 && errno != EWOULDBLOCK)) - { - ACE_DEBUG((LM_WARNING, - ACE_TEXT ("Immediate success/fail; test not completed\n"))); - status = 0; - } - else - { - if (sock.get_handle () != ACE_INVALID_HANDLE) - status = con.complete (sock); - - if (status == -1) - { - // Reset the status _before_ doing the printout, in case the - // printout overwrites errno. - if (errno == ECONNREFUSED) - { - status = 0; - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("Should succeed, but refused: ok\n"))); - } - else - { - ACE_ERROR ((LM_ERROR, - ACE_TEXT("%p\n"), - ACE_TEXT("connect should succeed, but"))); - } - } - else - ACE_DEBUG((LM_DEBUG, - ACE_TEXT("Connect which should succeed, did\n"))); - } - - // Just in case. - sock.close (); - - return status; -} - -int -run_main (int, ACE_TCHAR *[]) -{ - ACE_START_TEST (ACE_TEXT ("SOCK_Connector_Test")); - - int status = 0; - - if (fail_no_listener_nonblocking () == -1) - status = 1; - - if (succeed_nonblocking () == -1) - status = 1; - - ACE_END_TEST; - return status; -} - - - |