2021-02-05 15:24:58 +01:00
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#include "request.h"
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void Request::compile_body() {
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compiled_body.reserve(body.size() + head.size() + 13 + 14 + 15);
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//13
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compiled_body += "<html>"
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2021-02-05 16:15:04 +01:00
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"<head>";
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2021-02-05 15:24:58 +01:00
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compiled_body += head;
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//14
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compiled_body += "</head>"
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2021-02-05 16:15:04 +01:00
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"<body>";
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2021-02-05 15:24:58 +01:00
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compiled_body += body;
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2021-02-05 16:15:04 +01:00
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compiled_body += footer;
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2021-02-05 15:24:58 +01:00
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//15
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compiled_body += "</body>"
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2021-02-05 16:15:04 +01:00
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"</html>";
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2021-02-05 15:24:58 +01:00
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response->setBody(compiled_body);
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}
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void Request::compile_and_send_body() {
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compile_body();
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send();
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}
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void Request::next_stage() {
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if (current_middleware_index == (*middleware_stack).size()) {
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handler_instance.handler_func(handler_instance.instance, this);
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return;
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}
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const HandlerInstance &hi = (*middleware_stack)[current_middleware_index++];
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hi.handler_func(hi.instance, this);
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}
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void Request::send() {
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if (http_parser->isKeepAlive()) {
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response->addHeadValue("Connection", "Keep-Alive");
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std::string result = response->getResult();
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(*session)->send(result.c_str(), result.size());
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} else {
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response->addHeadValue("Connection", "Close");
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std::string result = response->getResult();
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2021-02-05 16:15:04 +01:00
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const brynet::net::http::HttpSession::Ptr lsession = (*session);
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2021-02-05 15:24:58 +01:00
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(*session)->send(result.c_str(), result.size(), [lsession]() { lsession->postShutdown(); });
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}
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RequestPool::return_request(this);
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}
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2021-02-05 16:15:04 +01:00
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void Request::send_file(const std::string &p_file_path) {
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file_path = p_file_path;
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FILE *f = fopen(file_path.c_str(), "rb");
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if (!f) {
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printf("send_file: Error: Download: file doesn't exists! %s\n", file_path.c_str());
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return;
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}
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fseek(f, 0, SEEK_END);
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file_size = ftell(f);
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fclose(f);
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response->addHeadValue("Connection", "Close");
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std::string result = "HTTP/1.1 200 OK\r\nConnection: Close\r\n\r\n";
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const brynet::net::http::HttpSession::Ptr lsession = (*session);
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(*session)->send(result.c_str(), result.size(), [this]() { this->_progress_send_file(); });
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}
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2021-02-05 15:24:58 +01:00
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void Request::reset() {
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http_parser = nullptr;
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session = nullptr;
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current_middleware_index = 0;
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middleware_stack = nullptr;
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2021-02-05 16:15:04 +01:00
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_path_stack.clear();
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_path_stack_pointer = 0;
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file_size = 0;
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current_file_progress = 0;
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2021-02-05 15:24:58 +01:00
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head.clear();
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body.clear();
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2021-02-05 16:15:04 +01:00
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footer.clear();
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2021-02-05 15:24:58 +01:00
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compiled_body.clear();
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if (response)
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delete response;
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2021-02-05 16:15:04 +01:00
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response = new brynet::net::http::HttpResponse();
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}
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void Request::setup_url_stack() {
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std::string path = http_parser->getPath();
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size_t pos = 0;
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std::string st;
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while ((pos = path.find("/")) != std::string::npos) {
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st = path.substr(0, pos);
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if (st.size() != 0)
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_path_stack.push_back(st);
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path.erase(0, pos + 1);
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}
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if (path.size() != 0)
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_path_stack.push_back(path);
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}
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std::string Request::get_path() const {
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std::string path = "";
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for (uint32_t i = _path_stack_pointer; i < _path_stack.size(); ++i) {
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path += _path_stack[i];
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path += "/";
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}
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return path;
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}
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const std::string &Request::get_path_full() const {
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return http_parser->getPath();
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}
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const std::string &Request::get_path_segment(const uint32_t i) const {
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return _path_stack[i];
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}
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const std::string &Request::get_current_path_segment() const {
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if (_path_stack_pointer >= _path_stack.size()) {
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//for convenience
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static const std::string e_str = "";
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return e_str;
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}
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return _path_stack[_path_stack_pointer];
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}
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uint32_t Request::get_path_segment_count() const {
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return _path_stack.size();
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}
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uint32_t Request::get_current_segment_index() const {
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return _path_stack_pointer;
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}
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uint32_t Request::get_remaining_segment_count() const {
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if (_path_stack_pointer > _path_stack.size()) {
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return 0;
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}
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return _path_stack.size() - _path_stack_pointer;
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}
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void Request::pop_path() {
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_path_stack_pointer -= 1;
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}
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void Request::push_path() {
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_path_stack_pointer += 1;
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2021-02-05 15:24:58 +01:00
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}
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Request::Request() {
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response = nullptr;
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2021-02-05 16:15:04 +01:00
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//file_chunk_size = 1 << 20; //1MB
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file_chunk_size = 1 << 23;
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2021-02-05 15:24:58 +01:00
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reset();
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}
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Request::~Request() {
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delete response;
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}
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2021-02-05 16:15:04 +01:00
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void Request::_progress_send_file() {
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const brynet::net::http::HttpSession::Ptr lsession = (*session);
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if (current_file_progress >= file_size) {
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lsession->postShutdown();
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RequestPool::return_request(this);
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return;
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}
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FILE *f = fopen(file_path.c_str(), "rb");
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if (!f) {
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printf("Error: Download: In progress file doesn't exists anymore! %s\n", file_path.c_str());
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lsession->postShutdown();
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RequestPool::return_request(this);
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return;
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}
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fseek(f, current_file_progress, SEEK_SET);
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long nfp = current_file_progress + file_chunk_size;
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long csize = file_chunk_size;
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if (nfp >= file_size) {
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csize = (file_size - current_file_progress);
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}
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body.resize(csize);
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fread(&body[0], 1, csize, f);
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fclose(f);
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current_file_progress = nfp;
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(*session)->send(body.c_str(), body.size(), [this]() { this->_progress_send_file(); });
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}
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2021-02-05 15:24:58 +01:00
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Request *RequestPool::get_request() {
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_mutex.lock();
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Request *request;
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if (_requests.size() == 0) {
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_mutex.unlock();
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request = new Request();
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return request;
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}
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request = _requests[_requests.size() - 1];
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_requests.pop_back();
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_mutex.unlock();
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return request;
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}
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void RequestPool::return_request(Request *request) {
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request->reset();
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_mutex.lock();
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_requests.push_back(request);
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_mutex.unlock();
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}
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RequestPool::RequestPool() {
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}
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RequestPool::~RequestPool() {
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for (uint32_t i = 0; i < _requests.size(); ++i) {
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delete _requests[i];
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}
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_requests.clear();
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}
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std::mutex RequestPool::_mutex;
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std::vector<Request *> RequestPool::_requests;
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