--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2004 by Intra2net AG *
+ * info@intra2net.com *
+ * *
+ ***************************************************************************/
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+
+#include <iostream>
+#include <string>
+#include <sstream>
+#include <stdexcept>
+
+#include <cppunit/extensions/TestFactoryRegistry.h>
+#include <cppunit/ui/text/TestRunner.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <socket_client.hxx>
+#include <socket_server.hxx>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+using namespace std;
+using namespace libt2n;
+using namespace CppUnit;
+
+// this is an evil hack to get access to real_write, don't ever do this in an app!!!
+class real_write_connection: public socket_server_connection
+{
+ public:
+ void real_write(const std::string& data)
+ { socket_write(data); }
+};
+
+class test_reconnect : public TestFixture
+{
+ CPPUNIT_TEST_SUITE(test_reconnect);
+
+ CPPUNIT_TEST(simple_reconnect);
+ CPPUNIT_TEST(reconnect_with_close);
+ CPPUNIT_TEST(reconnect_buffer_complete);
+ CPPUNIT_TEST(reconnect_buffer_several_complete);
+ CPPUNIT_TEST(reconnect_buffer_no_incomplete1);
+ CPPUNIT_TEST(reconnect_buffer_no_incomplete2);
+
+ CPPUNIT_TEST_SUITE_END();
+
+ public:
+
+ void setUp()
+ { }
+
+ void tearDown()
+ { }
+
+ void send_raw_socket(string hello_string, socket_server* ss, int conn_id)
+ {
+ socket_server_connection *ssc=dynamic_cast<socket_server_connection*>(ss->get_connection(conn_id));
+
+ // this is an evil hack to get access to real_write, don't ever do this in an app!!!
+ real_write_connection *rwc=(real_write_connection*)ssc;
+ rwc->real_write(hello_string);
+ }
+
+ void simple_reconnect()
+ {
+ pid_t pid;
+
+ switch(pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ time_t t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ unsigned int cid;
+
+ if(ss.get_packet(data,cid))
+ {
+ server_connection* con=ss.get_connection(cid);
+
+ if (data=="QUIT")
+ break;
+
+ if (data=="x")
+ con->write(string().insert(0,100,'X'));
+ else
+ con->write(string().insert(0,100,'Y'));
+ }
+ }
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ // wait till server is up
+ sleep(1);
+ socket_client_connection sc("./socket");
+
+ sc.write("abc");
+
+ string data;
+
+ while (!sc.get_packet(data))
+ sc.fill_buffer(1000000);
+
+ sc.reconnect();
+
+ sc.write("x");
+
+ while (!sc.get_packet(data))
+ sc.fill_buffer(1000000);
+
+ CPPUNIT_ASSERT_EQUAL(string().insert(0,100,'X'),data);
+ }
+ }
+ }
+
+ void reconnect_with_close()
+ {
+ pid_t pid;
+
+ switch(pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ time_t t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ unsigned int cid;
+
+ if(ss.get_packet(data,cid))
+ {
+ server_connection* con=ss.get_connection(cid);
+
+ if (data=="QUIT")
+ break;
+
+ if (data=="x")
+ con->write(string().insert(0,100,'X'));
+ else
+ con->write(string().insert(0,100,'Y'));
+ }
+ }
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ // wait till server is up
+ sleep(1);
+ socket_client_connection sc("./socket");
+
+ sc.write("abc");
+
+ string data;
+
+ while (!sc.get_packet(data))
+ sc.fill_buffer(1000000);
+
+ sc.close();
+
+ // empty buffer
+ sc.get_packet(data);
+
+ sc.reconnect();
+
+ sc.write("x");
+
+ while (!sc.get_packet(data))
+ sc.fill_buffer(1000000);
+
+ CPPUNIT_ASSERT_EQUAL(string().insert(0,100,'X'),data);
+ }
+ }
+ }
+
+ void reconnect_buffer_complete()
+ {
+ pid_t pid;
+
+ switch(pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ time_t t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ unsigned int cid;
+
+ if(ss.get_packet(data,cid))
+ {
+ server_connection* con=ss.get_connection(cid);
+
+ if (data=="QUIT")
+ break;
+
+ if (data=="x")
+ con->write(string().insert(0,100,'X'));
+ }
+ }
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ // wait till server is up
+ sleep(1);
+ socket_client_connection sc("./socket");
+
+ sc.write("x");
+
+ string data;
+
+ while (!sc.packet_available())
+ sc.fill_buffer(1000000);
+
+ sc.reconnect();
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("packet not there",true,sc.get_packet(data));
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("data incorrect",string().insert(0,100,'X'),data);
+ }
+ }
+ }
+
+ void reconnect_buffer_several_complete()
+ {
+ pid_t pid;
+
+ const int packets=3;
+
+ switch(pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ time_t t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ unsigned int cid;
+
+ if(ss.get_packet(data,cid))
+ {
+ server_connection* con=ss.get_connection(cid);
+
+ if (data=="QUIT")
+ break;
+
+ if (data=="x")
+ {
+ for (int i=0; i<packets; i++)
+ con->write(string().insert(0,100,'X'));
+ }
+ }
+ }
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ // wait till server is up
+ sleep(1);
+ socket_client_connection sc("./socket");
+
+ sc.write("x");
+
+ // retrieve packets for 3 seconds
+ time_t t0 = time(NULL);
+
+ // max 3 sec
+ while (time(NULL) < t0 + 3 )
+ sc.fill_buffer(1000000);
+
+ // we now should have packets complete packets in the buffer
+
+ sc.reconnect();
+
+ // are these packets still there?
+
+ for (int i=0; i < packets; i++)
+ {
+ string data;
+
+ ostringstream os;
+ os << "packet " << i << " not there";
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE(os.str(),true,sc.get_packet(data));
+
+ os.str("");
+ os << "packet " << i << " incorrect";
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE(os.str(),string().insert(0,100,'X'),data);
+ }
+ }
+ }
+ }
+
+ void reconnect_buffer_no_incomplete1()
+ {
+ pid_t pid;
+
+ switch(pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ time_t t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ unsigned int cid;
+
+ if(ss.get_packet(data,cid))
+ {
+ server_connection* con=ss.get_connection(cid);
+
+ if (data=="QUIT")
+ break;
+
+ if (data=="x")
+ {
+ con->write(string().insert(0,100,'X'));
+ send_raw_socket("aaaab",&ss,cid);
+ }
+ }
+ }
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ // wait till server is up
+ sleep(1);
+ socket_client_connection sc("./socket");
+
+ sc.write("x");
+
+ // retrieve packets for 3 seconds
+ time_t t0 = time(NULL);
+
+ // max 3 sec
+ while (time(NULL) < t0 + 3 )
+ sc.fill_buffer(1000000);
+
+ // we now should have one complete packet and some stuff in the buffer
+
+ string data;
+ sc.get_packet(data);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("no incomplete packet",true,(sc.peek_packet(data))>0);
+
+ sc.reconnect();
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("incomplete packet not removed",0,(int)sc.peek_packet(data));
+ }
+ }
+ }
+
+ void reconnect_buffer_no_incomplete2()
+ {
+ pid_t pid;
+
+ switch(pid=fork())
+ {
+ case -1:
+ {
+ CPPUNIT_FAIL("fork error");
+ break;
+ }
+ case 0:
+ // child
+ {
+ socket_server ss("./socket");
+
+ time_t t0 = time(NULL);
+
+ // max 10 sec
+ while (time(NULL) < t0 + 10 )
+ {
+ ss.fill_buffer(1000000);
+
+ string data;
+ unsigned int cid;
+
+ if(ss.get_packet(data,cid))
+ {
+ server_connection* con=ss.get_connection(cid);
+
+ if (data=="QUIT")
+ break;
+
+ if (data=="x")
+ {
+ con->write(string().insert(0,100,'X'));
+
+ string blob=string().insert(0,100,'Y');
+
+ // one byte will be missing...
+ int size=blob.size()+1;
+ char sizetransfer[sizeof(int)+1];
+ memcpy(sizetransfer,(void*)&size,sizeof(int));
+ sizetransfer[sizeof(int)+1]=0;
+
+ string packet=string(sizetransfer)+blob;
+
+ send_raw_socket(packet,&ss,cid);
+ }
+ }
+ }
+
+ // don't call atexit and stuff
+ _exit(0);
+ }
+
+ default:
+ // parent
+ {
+ // don't kill us on broken pipe
+ signal(SIGPIPE, SIG_IGN);
+
+ // wait till server is up
+ sleep(1);
+ socket_client_connection sc("./socket");
+
+ sc.write("x");
+
+ // retrieve packets for 3 seconds
+ time_t t0 = time(NULL);
+
+ // max 3 sec
+ while (time(NULL) < t0 + 3 )
+ sc.fill_buffer(1000000);
+
+ // we now should have one complete packet and some stuff in the buffer
+
+ sc.reconnect();
+
+ string data;
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("packet not there",true,sc.get_packet(data));
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("data incorrect",string().insert(0,100,'X'),data);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("incomplete packet not removed",0,(int)sc.peek_packet(data));
+ }
+ }
+ }
+
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(test_reconnect);
git://developer.intra2net.com / libt2n / commitdiff