{ socket_write(data); }
};
+// this is an evil hack to get access to real_write, don't ever do this in an app!!!
+class real_write_client_connection: public socket_client_connection
+{
+ public:
+ void real_write(const std::string& data)
+ { socket_write(data); }
+};
+
class test_timeout : public TestFixture
{
CPPUNIT_TEST_SUITE(test_timeout);
+ CPPUNIT_TEST(ConnectTimeout);
CPPUNIT_TEST(HelloTimeoutNothing);
CPPUNIT_TEST(HelloTimeoutSlowData);
CPPUNIT_TEST(CommandTimeout);
CPPUNIT_TEST(CommandSlowResponse);
+ CPPUNIT_TEST(DisconnectOnWrite);
+ CPPUNIT_TEST(DisconnectOnRead);
+ CPPUNIT_TEST(BreakAccept);
CPPUNIT_TEST_SUITE_END();
+ pid_t child_pid;
+
public:
typedef uint32_t packet_size_indicator;
{ }
void tearDown()
- { }
+ {
+ // make sure the server-child is dead before the next test runs
+ kill(child_pid,SIGKILL);
+ sleep(1);
+ }
void send_hello(string hello_string, socket_server* ss, unsigned int conn_id)
{
}
}
- void HelloTimeoutNothing()
+ void ConnectTimeout()
{
- pid_t pid;
+ switch(child_pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
- switch(pid=fork())
+ default:
+ // parent
+ {
+ string data;
+
+ // wait till server is up
+ sleep(1);
+
+ string errormsg;
+
+ socket_client_connection sc("./socket");
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("connection not closed",true,sc.connection::is_closed());
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong errormessage",string("no more retries left after connect error"),sc.get_last_error_msg());
+ }
+ }
+ }
+
+ void HelloTimeoutNothing()
+ {
+ switch(child_pid=fork())
{
case -1:
{
// wait till server is up
sleep(1);
socket_client_connection sc("./socket");
+ command_client cc(&sc,1000000,1000000);
- string errormsg;
+ t2n_exception* ep=cc.get_constuctor_exception();
- try
- {
- command_client cc(sc,1000000,1000000);
- }
- catch(t2n_transfer_error &e)
- { errormsg=e.what(); }
- catch(...)
- { throw; }
+ string errormsg;
+ if (ep)
+ errormsg=ep->what();
CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg);
}
void HelloTimeoutSlowData()
{
- pid_t pid;
-
- switch(pid=fork())
+ switch(child_pid=fork())
{
case -1:
{
// wait till server is up
sleep(1);
socket_client_connection sc("./socket");
+ command_client cc(&sc,1000000,1000000);
- string errormsg;
+ t2n_exception* ep=cc.get_constuctor_exception();
- try
- {
- command_client cc(sc,1000000,1000000);
- }
- catch(t2n_transfer_error &e)
- { errormsg=e.what(); }
- catch(...)
- { throw; }
+ string errormsg;
+ if (ep)
+ errormsg=ep->what();
CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg);
}
void CommandTimeout()
{
- pid_t pid;
-
- switch(pid=fork())
+ switch(child_pid=fork())
{
case -1:
{
sleep(1);
socket_client_connection sc("./socket");
- command_client cc(sc,1000000,1000000);
+ command_client cc(&sc,1000000,1000000);
result_container rc;
string errormsg;
void CommandSlowResponse()
{
- pid_t pid;
-
- switch(pid=fork())
+ switch(child_pid=fork())
{
case -1:
{
sleep(1);
socket_client_connection sc("./socket");
- command_client cc(sc,1000000,1000000);
+ command_client cc(&sc,1000000,1000000);
result_container rc;
string errormsg;
}
}
+ void DisconnectOnWrite()
+ {
+ switch(child_pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ // bail out as soon as we get something
+ ss.fill_buffer(-1);
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ string data;
+
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ // wait till server is up
+ sleep(1);
+ socket_client_connection sc("./socket");
+
+ string errormsg;
+
+ string huge(5000000,'x');
+
+ try
+ {
+ sc.write(huge);
+ }
+ catch(t2n_transfer_error &e)
+ { errormsg=e.what(); }
+ catch(...)
+ { throw; }
+
+ CPPUNIT_ASSERT_EQUAL(string("write() returned Broken pipe"),errormsg);
+ }
+ }
+ }
+
+ void DisconnectOnRead()
+ {
+ pid_t pid2;
+
+ switch(child_pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ // wait till server is up
+ sleep(1);
+
+ socket_client_connection sc("./socket");
+
+ // this is an evil hack to get access to real_write, don't ever do this in an app!!!
+ real_write_client_connection *rwc=(real_write_client_connection*)≻
+ rwc->real_write(string(10000,'x'));
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ socket_server ss("./socket");
+
+ time_t t0 = time(NULL);
+
+ // max 5 sec
+ while (time(NULL) < t0 + 5 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ ss.get_packet(data);
+ }
+
+ // are we still alive and able to process data?
+
+ switch(pid2=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_client_connection *sc=new socket_client_connection("./socket");
+ sc->write(string(10000,'x'));
+ delete sc;
+ // socket is closed regularly
+
+ // don't run regular cleanup, otherwise cppunit stuff gets called
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ string received;
+
+ t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ if (ss.get_packet(received))
+ break;
+ }
+
+ CPPUNIT_ASSERT_EQUAL(string(10000,'x'),received);
+ }
+ }
+ }
+ }
+ kill(pid2,SIGKILL);
+ }
+
+ void BreakAccept()
+ {
+ pid_t pid2;
+
+ switch(child_pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ // wait till server is really up and waiting
+ sleep(2);
+
+ // connect with very tight timeout and only 1 retry
+ socket_client_connection sc("./socket",50,1);
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ socket_server ss("./socket");
+
+ // server is "working" while client wants to connect
+ sleep(5);
+
+ time_t t0 = time(NULL);
+
+ // max 5 sec
+ while (time(NULL) < t0 + 5 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ ss.get_packet(data);
+ }
+
+ // are we still alive and able to process data?
+
+ switch(pid2=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_client_connection *sc=new socket_client_connection("./socket");
+ sc->write(string(10000,'x'));
+ delete sc;
+ // socket is closed regularly
+
+ // don't run regular cleanup, otherwise cppunit stuff gets called
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ string received;
+
+ t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ if (ss.get_packet(received))
+ break;
+ }
+
+ CPPUNIT_ASSERT_EQUAL(string(10000,'x'),received);
+ }
+ }
+ }
+ }
+ kill(pid2,SIGKILL);
+ }
};
CPPUNIT_TEST_SUITE_REGISTRATION(test_timeout);