// Constructor to create a playlist gui
gui::gui(QWidget *parent) : QWidget(parent)
{
/***** Initialize Data Structures *****/
load_song_info();
load_playlist_info();
build_trie();
/***** Set Theme ******/
text.setColor(QPalette::WindowText, Qt::white);
win.setColor(QPalette::Window, QColor::fromRgb(84, 163, 0, 255));
this->setPalette(win);
/***** Generate GUI *****/
generate_main_page();
generate_help_page();
generate_add_page();
main_page = new QWidget(this);
main_page->setLayout(main_layout);
help_page = new QWidget(this);
help_page->setLayout(help_layout);
add_page = new QWidget(this);
add_page->setLayout(add_layout);
window = new QStackedWidget(this);
window->addWidget(main_page);
window->addWidget(help_page);
window->addWidget(add_page);
window_layout = new QVBoxLayout;
window_layout->addWidget(window);
setLayout(window_layout);
}
void WebInterface::worker() {
/* Backup the stdio streambufs */
std::streambuf * cin_streambuf = std::cin.rdbuf();
std::streambuf * cout_streambuf = std::cout.rdbuf();
std::streambuf * cerr_streambuf = std::cerr.rdbuf();
const std::string kw_title(KW_TITLE);
const std::string kw_head(KW_HEAD);
const std::string kw_menu(KW_MENU);
const std::string kw_content(KW_CONTENT);
FCGX_Request request;
/* Initialize FastCGI library and request */
FCGX_Init();
FCGX_InitRequest(&request, 0, FCGI_FAIL_ACCEPT_ON_INTR);
LOG_DBG("FastCGI initialization success!");
while (!stop_flag_) {
if(FCGX_Accept_r(&request) >= 0) {
fcgi_streambuf cin_fcgi_streambuf(request.in);
fcgi_streambuf cout_fcgi_streambuf(request.out);
fcgi_streambuf cerr_fcgi_streambuf(request.err);
std::cin.rdbuf(&cin_fcgi_streambuf);
std::cout.rdbuf(&cout_fcgi_streambuf);
std::cerr.rdbuf(&cerr_fcgi_streambuf);
/* getting the uri from the request */
std::string uri;
const char *uri_param = FCGX_GetParam("REQUEST_URI", request.envp);
if(!uri_param) {
LOG_ERR("Failed to retrieve the request URI environment value!");
uri = URI_PAGE_ERROR;
} else {
uri = uri_param;
}
LOG_DBG("Request received: %s", uri.c_str());
/* Check if URI is a file in the home folder and get the mime of
* that file (by extension) */
std::string path;
std::string mime = if_file_get_mime(uri, &path);
if (!mime.empty()) {
/* This is a file we need to serve */
StringPtr file_data = Utils::read_file(path);
std::cout << "Content-type: " << mime << "\r\n\r\n";
std::cout << *(file_data);
file_data.reset();
} else {
/* Parse the URI */
std::map<std::string, std::string> uri_data = parseURI(uri);
LOG_DBG("URI Parsed, page requested: %s",
uri_data[URI_PAGE].c_str());
/* Generate and serve the page depending on the URI */
StringPtr page;
std::string content_type = "text/html";
/* Main page requested */
if (uri_data[URI_PAGE].compare(URI_PAGE_MAIN) == 0) {
bool success = false;
/* Check if a command was sent from the client. */
if (uri_data.find(URI_PAGE_COMMAND) != uri_data.end()) {
success = add_command(uri_data[URI_PAGE_COMMAND]);
}
std::string s;
/* Check if the request was sent from javascript or pure HTML */
if(uri_data.find(URI_PAGE_SOURCE) != uri_data.end()) {
LOG_DBG("This query's source IS javascript: %s, Source: %s",
uri.c_str(), (uri_data[URI_PAGE_SOURCE]).c_str());
content_type = "application/json";
page = generate_command_json(success);
} else {
LOG_DBG("This query's source IS NOT javascript: %s", uri.c_str());
/* Just generate a standard main page */
page = generate_main_page();
}
/* Log page requested */
} else if (uri_data[URI_PAGE].compare(URI_PAGE_LOG) == 0) {
page = generate_log_page();
/* Status page requested */
} else if (uri_data[URI_PAGE].compare(URI_PAGE_STATUS) == 0) {
page = generate_status_page();
/* Console lines JSON page requested */
} else if (uri_data[URI_PAGE].compare(URI_PAGE_CL) == 0) {
if (uri_data.find(URI_PAGE_BEFORE) != uri_data.end()) {
content_type = "application/json";
page = generate_cljson_before(
uri_data[URI_PAGE_BEFORE]);
} else if (uri_data.find(URI_PAGE_AFTER)
!= uri_data.end()) {
content_type = "application/json";
page = generate_cljson_after(uri_data[URI_PAGE_AFTER]);
} else {
page = generate_error_page();
}
/* Log lines JSON page requested */
} else if (uri_data[URI_PAGE].compare(URI_PAGE_LL) == 0) {
if (uri_data.find(URI_PAGE_BEFORE) != uri_data.end()) {
content_type = "application/json";
page = generate_lljson_before(
uri_data[URI_PAGE_BEFORE]);
} else if (uri_data.find(URI_PAGE_AFTER)
!= uri_data.end()) {
content_type = "application/json";
page = generate_lljson_after(uri_data[URI_PAGE_AFTER]);
} else {
page = generate_error_page();
}
} else {
page = generate_error_page();
}
/* Output the generated page with the correct content type */
std::cout << "Content-type: " << content_type << "\r\n\r\n";
std::cout << *(page.get());
}
}
else {
LOG_TRC("FCGX_Aceept_r returned less than 0!");
}
}
LOG_TRC("Out of accept request loop!");
// Free request strucure
FCGX_Finish_r(&request);
// Flag the thread as not running anymore.
running_ = false;
// restore stdio streambufs
std::cin.rdbuf(cin_streambuf);
std::cout.rdbuf(cout_streambuf);
std::cerr.rdbuf(cerr_streambuf);
}