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// Copyright (C) 2006 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#include <sstream>
#include <string>
#include <cstdlib>
#include <ctime>
#include <dlib/sockets.h>
#include <dlib/server.h>
#include <dlib/misc_api.h>
#include "tester.h"
namespace {
using namespace test;
using namespace dlib;
using namespace std;
dlib::mutex gm;
dlib::signaler gs(gm);
const char magic_num = 42;
const int min_bytes_sent = 10000;
int assigned_port;
logger dlog("test.sockets");
// ----------------------------------------------------------------------------------------
class serv : public server::kernel_1a_c
{
public:
serv (
) :
error_occurred (false),
got_connections(false)
{}
void on_listening_port_assigned (
)
{
auto_mutex M(gm);
assigned_port = get_listening_port();
gs.broadcast();
}
void on_connect (
connection& con
)
{
dlog << LINFO << "in serv::on_connect(): got new connection";
int status;
int count = 0;
char buf[100];
while ((status = con.read(buf,sizeof(buf))) > 0)
{
for (int i = 0; i < status; ++i)
{
if (buf[i] != magic_num)
{
tag = 4.0;
error_occurred = true;
}
}
count += status;
}
if (count != min_bytes_sent)
{
tag = 5.0;
error_occurred = true;
}
got_connections = true;
dlog << LINFO << "in serv::on_connect(): on_connect ending";
}
bool error_occurred;
bool got_connections;
double tag;
};
// ----------------------------------------------------------------------------------------
class thread_container : public multithreaded_object
{
public:
serv& srv;
thread_container (
serv& srv_
) : srv(srv_)
{
for (int i = 0; i < 10; ++i)
register_thread(*this, &thread_container::thread_proc);
// start up the threads
start();
}
~thread_container ()
{
// wait for all threads to terminate
wait();
}
void thread_proc (
)
{
try
{
dlog << LTRACE << "enter thread";
{
auto_mutex M(gm);
while (assigned_port == 0)
gs.wait();
}
int status;
scoped_ptr<connection> con;
string hostname;
string ip;
status = get_local_hostname(hostname);
if (status)
{
srv.tag = 1.0;
srv.error_occurred = true;
srv.clear();
dlog << LERROR << "leaving thread, line: " << __LINE__;
dlog << LERROR << "get_local_hostname() failed";
return;
}
status = hostname_to_ip(hostname,ip);
if (status)
{
srv.tag = 2.0;
srv.error_occurred = true;
srv.clear();
dlog << LERROR << "leaving thread, line: " << __LINE__;
dlog << LERROR << "hostname_to_ip() failed";
return;
}
dlog << LTRACE << "try to connect to the server at port " << srv.get_listening_port();
status = create_connection(con,srv.get_listening_port(),ip);
if (status)
{
srv.tag = 3.0;
srv.error_occurred = true;
srv.clear();
dlog << LERROR << "leaving thread, line: " << __LINE__;
dlog << LERROR << "create_connection() failed";
return;
}
dlog << LTRACE << "sending magic_num to server";
int i;
for (i = 0; i < min_bytes_sent; ++i)
{
con->write(&magic_num,1);
}
dlog << LTRACE << "shutting down connection to server";
close_gracefully(con);
dlog << LTRACE << "finished calling close_gracefully() on the connection";
}
catch (exception& e)
{
srv.error_occurred = true;
dlog << LERROR << "exception thrown in thread_proc(): " << e.what();
cout << "exception thrown in thread_proc(): " << e.what();
}
dlog << LTRACE << "exit thread";
}
};
void run_server(serv* srv)
{
dlog << LTRACE << "calling srv.start()";
srv->start();
dlog << LTRACE << "srv.start() just ended.";
}
void sockets_test (
)
/*!
requires
- sockets is an implementation of sockets/sockets_kernel_abstract.h
is instantiated with int
ensures
- runs tests on sockets for compliance with the specs
!*/
{
dlog << LTRACE << "starting test";
serv srv;
assigned_port = 0;
dlog << LTRACE << "spawning threads";
thread_container stuff(srv);
thread_function thread2(run_server, &srv);
// wait until all the sending threads have ended
stuff.wait();
if (srv.error_occurred)
{
dlog << LDEBUG << "tag: " << srv.tag;
}
srv.clear();
dlog << LTRACE << "ending successful test";
DLIB_TEST( !srv.error_occurred);
DLIB_TEST( srv.got_connections);
}
// ----------------------------------------------------------------------------------------
class sockets_tester : public tester
{
public:
sockets_tester (
) :
tester ("test_sockets",
"Runs tests on the sockets component.")
{}
void perform_test (
)
{
sockets_test();
}
} a;
}
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