void success()
{
QScopedPointer<QBuffer> mysocket(new QBuffer);
QMessageBox myBox;
myBox.setInformativeText("Sucess.");
myBox.setStandardButtons(QMessageBox::Ok);
myBox.exec();
mysocket->open(QBuffer::ReadWrite);
mysocket->write(QByteArray(20, 0));
mysocket->seek(0);
qint16 blockSize = 0;
QDataStream in(mysocket.data());
in.setVersion(13);
if (blockSize == 0) {
if (mysocket->bytesAvailable() < (int)sizeof(quint16))
{
QMessageBox box;
box.setInformativeText("return 1.");
box.setStandardButtons(QMessageBox::Ok);
box.exec();
return;
}
in >> blockSize;
}
if (mysocket->bytesAvailable() < blockSize)
{
QMessageBox box;
box.setInformativeText("return 2");
box.setStandardButtons(QMessageBox::Ok);
box.exec();
return;
}
QString result;
in >> result;
if ( result == "G" )
{
QMessageBox box;
box.setInformativeText("Password Verified.");
box.setStandardButtons(QMessageBox::Ok);
box.exec();
}
else if (result == "N")
{
QMessageBox box;
box.setInformativeText("Password Incorrect.");
box.setStandardButtons(QMessageBox::Ok);
box.exec();
}
else
{
QMessageBox box;
box.setInformativeText("Error.");
box.setStandardButtons(QMessageBox::Ok);
box.exec();
}
}
int
main(int argc, char *argv[])
{
struct sockaddr_in sin;
char opt;
char *pline;
int errflg = 0;
int sd;
filename = NULL;
/* Parse command line options */
while ((opt = getopt(argc, argv, "f:q")) != EOF)
{
switch (opt)
{
case 'f':
filename = optarg;
break;
case 'q':
++quiet_opt;
break;
case '?':
++errflg;
break;
}
}
if (errflg || optind != argc - 1)
{
fputs(usage, stderr);
exit(1);
}
pline = argv[optind];
if (parse_address(pline, &sin) < 0)
{
perror("parse_address");
exit(1);
}
if (!sin.sin_port)
{
fprintf(stderr, "Format is %s server:port\n", argv[0]);
exit(1);
}
if ((sd = mysocket()) < 0)
{
perror("mysocket");
exit(1);
}
sd = myconnect(sd, (struct sockaddr *) &sin, sizeof(struct sockaddr_in));
if (sd < 0)
{
perror("myconnect");
exit(1);
}
loop_until_end(sd);
if (myclose(sd) < 0)
{
perror("myclose");
}
return 0;
} /* end main() */
int
main(int argc, char *argv[])
{
struct sockaddr_in sin;
mysocket_t bindsd;
int len, opt, errflg = 0;
char localname[256];
/* Parse the command line */
while ((opt = getopt(argc, argv, "")) != EOF)
{
switch (opt)
{
case '?':
++errflg;
break;
}
}
if (errflg || optind != argc)
{
fprintf(stderr, usage, argv[0]);
exit(EXIT_FAILURE);
}
/* open connection on any available port */
if ((bindsd = mysocket()) < 0)
{
perror("mysocket");
exit(EXIT_FAILURE);
}
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = htonl(INADDR_ANY);
sin.sin_port = htons(0);
len = sizeof(struct sockaddr_in);
if (mybind(bindsd, (struct sockaddr *) &sin, len) < 0)
{
perror("mybind");
exit(EXIT_FAILURE);
}
if (mylisten(bindsd, 5) < 0)
{
perror("mylisten");
exit(EXIT_FAILURE);
}
if (local_name(bindsd, localname) < 0)
{
perror("local_name");
exit(EXIT_FAILURE);
}
fprintf(stderr, "Server's address is %s\n", localname);
fflush(stderr);
for (;;)
{
mysocket_t sd;
/* just keep accepting connections forever */
if ((sd = myaccept(bindsd, (struct sockaddr *) &sin, &len)) < 0)
{
perror("myaccept");
exit(EXIT_FAILURE);
}
assert(sin.sin_family == AF_INET);
fprintf(stderr, "connected to %s at port %u\n",
inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
do_connection(sd);
} /* end for(;;) */
if (myclose(bindsd) < 0)
perror("myclose (bindsd)");
return 0;
}
