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/*
* psocksxx - A C++ wrapper for POSIX sockets
* Copyright (C) 2013 Uditha Atukorala
*
* This software library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This software library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "tcpnsockstream_test.h"
#include "necho.h"
#include <psocksxx/tcpnsockstream.h>
#include <cstdlib>
#include <sys/wait.h>
// register the fixture into the 'registry'
CPPUNIT_TEST_SUITE_REGISTRATION( tcpnsockstream_test );
// use namespace psocksxx
using namespace psocksxx;
void tcpnsockstream_test::connect_naddr( nsockaddr * naddr ) throw() {
int csock;
// not worth having error handling here so we hope for the best
csock = socket( AF_INET, SOCK_STREAM, 0 );
connect( csock, naddr->psockaddr(), naddr->size() );
}
void tcpnsockstream_test::test_constructors() {
// default constructor
CPPUNIT_ASSERT_NO_THROW( tcpnsockstream ss );
}
void tcpnsockstream_test::test_connect_addr() {
// tcp socket stream
tcpnsockstream ss;
// network echo server
necho n( NSOCK_NODE, NSOCK_SERVICE );
// network address to connect to
nsockaddr saddr( NSOCK_NODE, NSOCK_SERVICE );
// connect
CPPUNIT_ASSERT_NO_THROW( ss.connect( &saddr ) );
}
void tcpnsockstream_test::test_connect_host_port() {
// tcp socket stream
tcpnsockstream ss;
// network echo server
necho n( NSOCK_NODE, NSOCK_SERVICE_2 );
// connect
CPPUNIT_ASSERT_NO_THROW( ss.connect( NSOCK_NODE, atoi( NSOCK_SERVICE_2 ) ) );
}
void tcpnsockstream_test::test_bind_addr() {
// tcp socket stream
tcpnsockstream ss;
// network address to bind to
nsockaddr naddr( NSOCK_NODE, NSOCK_BIND_SERVICE );
// bind
CPPUNIT_ASSERT_NO_THROW( ss.bind( &naddr, true ) );
}
void tcpnsockstream_test::test_listen_addr() {
// tcp socket stream
tcpnsockstream ss;
// network address to bind to
nsockaddr naddr( NSOCK_NODE, NSOCK_BIND_SERVICE );
// bind
try {
ss.bind( &naddr, true );
} catch( sockexception &e ) {
CPPUNIT_FAIL( e.what() );
return;
}
// listen
CPPUNIT_ASSERT_NO_THROW( ss.listen( 1 ) );
}
void tcpnsockstream_test::test_accept_addr() {
// fork variables
pid_t cpid, wpid;
int wpid_status;
// tcp socket stream
tcpnsockstream ss;
// network socket pointer
nsockstream * nsock = 0;
// network address to bind to
nsockaddr naddr( NSOCK_NODE, NSOCK_BIND_SERVICE );
// bind
try {
ss.bind( &naddr, true );
} catch( sockexception &e ) {
CPPUNIT_FAIL( e.what() );
return;
}
// listen
try {
ss.listen( 1 );
} catch( sockexception &e ) {
CPPUNIT_FAIL( e.what() );
return;
}
// fork
cpid = fork();
if ( cpid == -1 ) {
CPPUNIT_FAIL( "failed to fork" );
} else if ( cpid == 0 ) {
// child - connect to the network socket created by the parent
connect_naddr( &naddr );
// exit
exit( 0 );
} else {
// parent - accept a connection from the child
CPPUNIT_ASSERT_NO_THROW( nsock = ss.accept() );
CPPUNIT_ASSERT( nsock != 0 );
// cleanup
if ( nsock != 0 ) {
delete nsock;
}
// wait for child to exit
if ( ( wpid = waitpid( cpid, &wpid_status, 0 ) ) == -1 ) {
CPPUNIT_FAIL( "failed waiting for the child process to terminate" );
}
}
}
void tcpnsockstream_test::test_bind_addr_fail() {
// tcp socket stream
tcpnsockstream ss, ssf;
// network address to bind to
nsockaddr naddr( NSOCK_NODE, NSOCK_BIND_SERVICE + 1 );
try {
ss.bind( &naddr, true );
} catch ( sockexception &e ) {
CPPUNIT_FAIL( e.what() );
return;
}
// bind - this should fail with address already in use error
CPPUNIT_ASSERT_THROW( ssf.bind( &naddr ), sockexception );
}
void tcpnsockstream_test::test_io_addr() {
// tcp socket stream
tcpnsockstream ss;
// network echo server
necho n( NSOCK_NODE, NSOCK_SERVICE );
// network address to connect to
nsockaddr saddr( NSOCK_NODE, NSOCK_SERVICE );
// connect
try {
ss.connect( &saddr );
} catch ( sockexception &e ) {
CPPUNIT_FAIL( e.what() );
return;
}
// write
ss << 'c' << std::endl;
// read
char c;
ss >> c;
// assert
CPPUNIT_ASSERT( c == 'c' );
}
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