Client::Client(int &argc, char **argv, int appflags) :
QApplication(argc, argv, appflags) {
setAttribute(Qt::AA_UseHighDpiPixmaps);
setQuitOnLastWindowClosed(false);
applyLocale(QLocale::system().name());
// Parsing arguments
QCommandLineParser parser;
QCommandLineOption attach_option(QStringList() << "a" << "attach", tr("Attach to running daemon instead of creating a new one."), "url");
parser.addOption(attach_option);
parser.addPositionalArgument("url", tr("The \"lvlt:\" URL to open."));
parser.process(*this);
QString link;
if(parser.positionalArguments().size() > 0){
QRegularExpression link_regex("lvlt:.*");
auto link_index = parser.positionalArguments().indexOf(link_regex);
if(link_index != -1)
link = parser.positionalArguments().at(link_index);
}
// Creating components
single_channel_ = std::make_unique<SingleChannel>(link);
daemon_ = std::make_unique<Daemon>();
control_client_ = std::make_unique<ControlClient>();
if(parser.isSet(attach_option))
control_client_->connectDaemon(QUrl(parser.value(attach_option)));
else {
connect(daemon_.get(), &Daemon::daemonReady, control_client_.get(), &ControlClient::connectDaemon);
daemon_->launch();
}
updater_ = new Updater(this);
main_window_ = std::make_unique<MainWindow>(*this);
// Connecting signals & slots
connect(single_channel_.get(), &SingleChannel::showMainWindow, main_window_.get(), &QMainWindow::show);
connect(single_channel_.get(), &SingleChannel::openLink, this, &Client::openLink);
connect(control_client_.get(), &ControlClient::ControlJsonReceived, main_window_.get(), &MainWindow::handleControlJson);
connect(main_window_.get(), &MainWindow::newConfigIssued, control_client_.get(), &ControlClient::sendConfigJson);
connect(main_window_.get(), &MainWindow::folderAdded, control_client_.get(), &ControlClient::sendAddFolderJson);
connect(main_window_.get(), &MainWindow::folderRemoved, control_client_.get(), &ControlClient::sendRemoveFolderJson);
// Initialization complete!
if(!link.isEmpty())
openLink(link);
}
/* read a dhcp option and add it to opt_list */
static int read_opt(char *line, void *arg)
{
struct option_set **opt_list = arg;
char *opt, *val, *endptr;
struct dhcp_option *option = NULL;
int retval = 0, length = 0;
char buffer[255];
u_int16_t result_u16;
u_int32_t result_u32;
int i;
if (!(opt = strtok(line, " \t="))) return 0;
for (i = 0; options[i].code; i++)
if (!strcmp(options[i].name, opt))
option = &(options[i]);
if (!option) return 0;
do {
val = strtok(NULL, ", \t");
if (val) {
length = option_lengths[option->flags & TYPE_MASK];
retval = 0;
switch (option->flags & TYPE_MASK) {
case OPTION_IP:
retval = read_ip(val, buffer);
break;
case OPTION_IP_PAIR:
retval = read_ip(val, buffer);
if (!(val = strtok(NULL, ", \t/-"))) retval = 0;
if (retval) retval = read_ip(val, buffer + 4);
break;
case OPTION_STRING:
length = strlen(val);
if (length > 0) {
if (length > 254) length = 254;
memcpy(buffer, val, length);
retval = 1;
}
break;
case OPTION_BOOLEAN:
retval = read_yn(val, buffer);
break;
case OPTION_U8:
buffer[0] = strtoul(val, &endptr, 0);
retval = (endptr[0] == '\0');
break;
case OPTION_U16:
result_u16 = htons(strtoul(val, &endptr, 0));
memcpy(buffer, &result_u16, 2);
retval = (endptr[0] == '\0');
break;
case OPTION_S16:
result_u16 = htons(strtol(val, &endptr, 0));
memcpy(buffer, &result_u16, 2);
retval = (endptr[0] == '\0');
break;
case OPTION_U32:
result_u32 = htonl(strtoul(val, &endptr, 0));
memcpy(buffer, &result_u32, 4);
retval = (endptr[0] == '\0');
break;
case OPTION_S32:
result_u32 = htonl(strtol(val, &endptr, 0));
memcpy(buffer, &result_u32, 4);
retval = (endptr[0] == '\0');
break;
default:
break;
}
if (retval)
attach_option(opt_list, option, buffer, length);
};
} while (val && retval && option->flags & OPTION_LIST);
return retval;
}
/* read a dhcp option and add it to opt_list */
static int read_opt(const char *const_line, void *arg)
{
struct option_set **opt_list = arg;
char *opt, *val, *endptr;
struct dhcp_option *option;
int retval = 0, length;
char buffer[8];
char *line;
uint16_t *result_u16 = (uint16_t *) buffer;
uint32_t *result_u32 = (uint32_t *) buffer;
/* Cheat, the only const line we'll actually get is "" */
line = (char *) const_line;
if (!(opt = strtok(line, " \t="))) return 0;
for (option = dhcp_options; option->code; option++)
if (!strcasecmp(option->name, opt))
break;
if (!option->code) return 0;
do {
if (!(val = strtok(NULL, ", \t"))) break;
length = option_lengths[option->flags & TYPE_MASK];
retval = 0;
opt = buffer; /* new meaning for variable opt */
switch (option->flags & TYPE_MASK) {
case OPTION_IP:
retval = read_ip(val, buffer);
break;
case OPTION_IP_PAIR:
retval = read_ip(val, buffer);
if (!(val = strtok(NULL, ", \t/-"))) retval = 0;
if (retval) retval = read_ip(val, buffer + 4);
break;
case OPTION_STRING:
length = strlen(val);
if (length > 0) {
if (length > 254) length = 254;
opt = val;
retval = 1;
}
break;
case OPTION_BOOLEAN:
retval = read_yn(val, buffer);
break;
case OPTION_U8:
buffer[0] = strtoul(val, &endptr, 0);
retval = (endptr[0] == '\0');
break;
case OPTION_U16:
*result_u16 = htons(strtoul(val, &endptr, 0));
retval = (endptr[0] == '\0');
break;
case OPTION_S16:
*result_u16 = htons(strtol(val, &endptr, 0));
retval = (endptr[0] == '\0');
break;
case OPTION_U32:
*result_u32 = htonl(strtoul(val, &endptr, 0));
retval = (endptr[0] == '\0');
break;
case OPTION_S32:
*result_u32 = htonl(strtol(val, &endptr, 0));
retval = (endptr[0] == '\0');
break;
default:
break;
}
if (retval)
attach_option(opt_list, option, opt, length);
} while (retval && option->flags & OPTION_LIST);
return retval;
}
/* read a dhcp option and add it to opt_list */
static int read_opt(char *line, void *arg)
{
struct option_set **opt_list = arg;
char *opt, *val;
char fail;
struct dhcp_option *option = NULL;
int length = 0;
char buffer[255];
u_int16_t result_u16;
int16_t result_s16;
u_int32_t result_u32;
int32_t result_s32;
int i;
if (!(opt = strtok(line, " \t="))) return 0;
for (i = 0; options[i].code; i++)
if (!strcmp(options[i].name, opt)) {
option = &(options[i]);
break;
}
if (!option) return 0;
do {
val = strtok(NULL, ",\t");//w44771，支持option中包含空格
if (val) {
fail = 0;
length = 0;
switch (option->flags & TYPE_MASK) {
case OPTION_IP:
read_ip(val, buffer);
break;
case OPTION_IP_PAIR:
read_ip(val, buffer);
if ((val = strtok(NULL, ", \t/-")))
read_ip(val, buffer + 4);
else fail = 1;
break;
case OPTION_STRING:
length = strlen(val);
if (length > 254) length = 254;
memcpy(buffer, val, length);
break;
case OPTION_BOOLEAN:
if (!read_yn(val, buffer)) fail = 1;
break;
case OPTION_U8:
buffer[0] = strtoul(val, NULL, 0);
break;
case OPTION_U16:
result_u16 = htons(strtoul(val, NULL, 0));
memcpy(buffer, &result_u16, 2);
break;
case OPTION_S16:
result_s16 = htons(strtol(val, NULL, 0));
memcpy(buffer, &result_s16, 2);
break;
case OPTION_U32:
result_u32 = htonl(strtoul(val, NULL, 0));
memcpy(buffer, &result_u32, 4);
break;
case OPTION_S32:
result_s32 = htonl(strtol(val, NULL, 0));
memcpy(buffer, &result_s32, 4);
break;
default:
break;
}
length += option_lengths[option->flags & TYPE_MASK];
if (!fail)
attach_option(opt_list, option, buffer, length);
} else fail = 1;
} while (!fail && ((option->flags & OPTION_LIST)||(((unsigned char)(option->code) >= 240) && ((unsigned char)(option->code) <= 245)))); //w44771 modify for option 24x's length
return 1;
}
