Fixes #46: library is now fully asynchronous
This commit is contained in:
eidheim
parent
1609f80c38
commit
dc466e7d1d
4 changed files with 128 additions and 128 deletions
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@ -20,7 +20,7 @@ include_directories(.)
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find_package(Threads REQUIRED)
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find_package(Boost 1.54.0 COMPONENTS regex system thread coroutine context filesystem date_time REQUIRED)
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find_package(Boost 1.54.0 COMPONENTS regex system thread filesystem date_time REQUIRED)
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include_directories(SYSTEM ${Boost_INCLUDE_DIR})
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if(APPLE)
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@ -20,12 +20,14 @@ typedef SimpleWeb::Server<SimpleWeb::HTTP> HttpServer;
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typedef SimpleWeb::Client<SimpleWeb::HTTP> HttpClient;
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int main() {
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//HTTP-server at port 8080 using 4 threads
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HttpServer server(8080, 4);
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//HTTP-server at port 8080 using 1 thread
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//Unless you do more heavy non-threaded processing in the resources,
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//1 thread is usually faster than several threads
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HttpServer server(8080, 1);
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//Add resources using path-regex and method-string, and an anonymous function
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//POST-example for the path /string, responds the posted string
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server.resource["^/string$"]["POST"]=[](HttpServer::Response& response, shared_ptr<HttpServer::Request> request) {
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server.resource["^/string$"]["POST"]=[](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
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//Retrieve string:
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auto content=request->content.string();
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//request->content.string() is a convenience function for:
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@ -33,7 +35,7 @@ int main() {
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//ss << request->content.rdbuf();
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//string content=ss.str();
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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};
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//POST-example for the path /json, responds firstName+" "+lastName from the posted json
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@ -44,23 +46,23 @@ int main() {
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// "lastName": "Smith",
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// "age": 25
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//}
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server.resource["^/json$"]["POST"]=[](HttpServer::Response& response, shared_ptr<HttpServer::Request> request) {
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server.resource["^/json$"]["POST"]=[](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
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try {
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ptree pt;
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read_json(request->content, pt);
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string name=pt.get<string>("firstName")+" "+pt.get<string>("lastName");
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << name.length() << "\r\n\r\n" << name;
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << name.length() << "\r\n\r\n" << name;
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}
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catch(exception& e) {
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response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << strlen(e.what()) << "\r\n\r\n" << e.what();
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*response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << strlen(e.what()) << "\r\n\r\n" << e.what();
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}
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};
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//GET-example for the path /info
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//Responds with request-information
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server.resource["^/info$"]["GET"]=[](HttpServer::Response& response, shared_ptr<HttpServer::Request> request) {
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server.resource["^/info$"]["GET"]=[](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
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stringstream content_stream;
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content_stream << "<h1>Request from " << request->remote_endpoint_address << " (" << request->remote_endpoint_port << ")</h1>";
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content_stream << request->method << " " << request->path << " HTTP/" << request->http_version << "<br>";
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@ -71,21 +73,21 @@ int main() {
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//find length of content_stream (length received using content_stream.tellp())
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content_stream.seekp(0, ios::end);
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << content_stream.tellp() << "\r\n\r\n" << content_stream.rdbuf();
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << content_stream.tellp() << "\r\n\r\n" << content_stream.rdbuf();
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};
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//GET-example for the path /match/[number], responds with the matched string in path (number)
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//For instance a request GET /match/123 will receive: 123
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server.resource["^/match/([0-9]+)$"]["GET"]=[](HttpServer::Response& response, shared_ptr<HttpServer::Request> request) {
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server.resource["^/match/([0-9]+)$"]["GET"]=[&server](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
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string number=request->path_match[1];
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << number.length() << "\r\n\r\n" << number;
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << number.length() << "\r\n\r\n" << number;
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};
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//Default GET-example. If no other matches, this anonymous function will be called.
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//Will respond with content in the web/-directory, and its subdirectories.
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//Default file: index.html
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//Can for instance be used to retrieve an HTML 5 client that uses REST-resources on this server
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server.default_resource["GET"]=[](HttpServer::Response& response, shared_ptr<HttpServer::Request> request) {
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server.default_resource["GET"]=[&server](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
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const auto web_root_path=boost::filesystem::canonical("web");
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boost::filesystem::path path=web_root_path;
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path/=request->path;
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@ -97,39 +99,41 @@ int main() {
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if(boost::filesystem::is_directory(path))
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path/="index.html";
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if(boost::filesystem::exists(path) && boost::filesystem::is_regular_file(path)) {
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ifstream ifs;
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ifs.open(path.string(), ifstream::in | ios::binary);
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auto ifs=make_shared<ifstream>();
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ifs->open(path.string(), ifstream::in | ios::binary);
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if(ifs) {
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ifs.seekg(0, ios::end);
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auto length=ifs.tellg();
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ifs.seekg(0, ios::beg);
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << length << "\r\n\r\n";
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//read and send 128 KB at a time
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const size_t buffer_size=131072;
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vector<char> buffer(buffer_size);
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streamsize read_length;
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try {
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while((read_length=ifs.read(&buffer[0], buffer_size).gcount())>0) {
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response.write(&buffer[0], read_length);
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response.flush();
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size_t buffer_size=131072;
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auto buffer=make_shared<vector<char>>(buffer_size);
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auto send_callback=make_shared<std::function<void(const boost::system::error_code&)> >(nullptr);
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*send_callback=[&server, response, ifs, buffer, buffer_size, send_callback](const boost::system::error_code &ec) {
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if(!ec) {
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streamsize read_length;
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if((read_length=ifs->read(&(*buffer)[0], buffer_size).gcount())>0) {
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response->write(&(*buffer)[0], read_length);
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server.send(response, *send_callback);
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}
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}
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}
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catch(const exception &) {
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cerr << "Connection interrupted, closing file" << endl;
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}
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ifs.close();
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else
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cerr << "Connection interrupted" << endl;
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};
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ifs->seekg(0, ios::end);
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auto length=ifs->tellg();
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ifs->seekg(0, ios::beg);
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << length << "\r\n\r\n";
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server.send(response, *send_callback);
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return;
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}
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}
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}
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}
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string content="Could not open path "+request->path;
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response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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*response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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};
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thread server_thread([&server](){
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@ -20,12 +20,14 @@ typedef SimpleWeb::Server<SimpleWeb::HTTPS> HttpsServer;
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typedef SimpleWeb::Client<SimpleWeb::HTTPS> HttpsClient;
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int main() {
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//HTTPS-server at port 8080 using 4 threads
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HttpsServer server(8080, 4, "server.crt", "server.key");
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//HTTPS-server at port 8080 using 1 thread
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//Unless you do more heavy non-threaded processing in the resources,
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//1 thread is usually faster than several threads
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HttpsServer server(8080, 1, "server.crt", "server.key");
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//Add resources using path-regex and method-string, and an anonymous function
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//POST-example for the path /string, responds the posted string
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server.resource["^/string$"]["POST"]=[](HttpsServer::Response& response, shared_ptr<HttpsServer::Request> request) {
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server.resource["^/string$"]["POST"]=[](shared_ptr<HttpsServer::Response> response, shared_ptr<HttpsServer::Request> request) {
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//Retrieve string:
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auto content=request->content.string();
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//request->content.string() is a convenience function for:
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@ -33,7 +35,7 @@ int main() {
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//ss << request->content.rdbuf();
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//string content=ss.str();
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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};
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//POST-example for the path /json, responds firstName+" "+lastName from the posted json
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@ -44,23 +46,23 @@ int main() {
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// "lastName": "Smith",
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// "age": 25
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//}
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server.resource["^/json$"]["POST"]=[](HttpsServer::Response& response, shared_ptr<HttpsServer::Request> request) {
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server.resource["^/json$"]["POST"]=[](shared_ptr<HttpsServer::Response> response, shared_ptr<HttpsServer::Request> request) {
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try {
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ptree pt;
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read_json(request->content, pt);
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string name=pt.get<string>("firstName")+" "+pt.get<string>("lastName");
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << name.length() << "\r\n\r\n" << name;
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << name.length() << "\r\n\r\n" << name;
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}
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catch(exception& e) {
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response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << strlen(e.what()) << "\r\n\r\n" << e.what();
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*response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << strlen(e.what()) << "\r\n\r\n" << e.what();
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}
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};
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//GET-example for the path /info
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//Responds with request-information
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server.resource["^/info$"]["GET"]=[](HttpsServer::Response& response, shared_ptr<HttpsServer::Request> request) {
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server.resource["^/info$"]["GET"]=[](shared_ptr<HttpsServer::Response> response, shared_ptr<HttpsServer::Request> request) {
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stringstream content_stream;
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content_stream << "<h1>Request from " << request->remote_endpoint_address << " (" << request->remote_endpoint_port << ")</h1>";
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content_stream << request->method << " " << request->path << " HTTP/" << request->http_version << "<br>";
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@ -71,21 +73,21 @@ int main() {
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//find length of content_stream (length received using content_stream.tellp())
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content_stream.seekp(0, ios::end);
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << content_stream.tellp() << "\r\n\r\n" << content_stream.rdbuf();
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << content_stream.tellp() << "\r\n\r\n" << content_stream.rdbuf();
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};
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//GET-example for the path /match/[number], responds with the matched string in path (number)
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//For instance a request GET /match/123 will receive: 123
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server.resource["^/match/([0-9]+)$"]["GET"]=[](HttpsServer::Response& response, shared_ptr<HttpsServer::Request> request) {
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server.resource["^/match/([0-9]+)$"]["GET"]=[&server](shared_ptr<HttpsServer::Response> response, shared_ptr<HttpsServer::Request> request) {
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string number=request->path_match[1];
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << number.length() << "\r\n\r\n" << number;
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << number.length() << "\r\n\r\n" << number;
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};
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//Default GET-example. If no other matches, this anonymous function will be called.
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//Will respond with content in the web/-directory, and its subdirectories.
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//Default file: index.html
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//Can for instance be used to retrieve an HTML 5 client that uses REST-resources on this server
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server.default_resource["GET"]=[](HttpsServer::Response& response, shared_ptr<HttpsServer::Request> request) {
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server.default_resource["GET"]=[&server](shared_ptr<HttpsServer::Response> response, shared_ptr<HttpsServer::Request> request) {
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const auto web_root_path=boost::filesystem::canonical("web");
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boost::filesystem::path path=web_root_path;
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path/=request->path;
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@ -97,39 +99,41 @@ int main() {
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if(boost::filesystem::is_directory(path))
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path/="index.html";
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if(boost::filesystem::exists(path) && boost::filesystem::is_regular_file(path)) {
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ifstream ifs;
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ifs.open(path.string(), ifstream::in | ios::binary);
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auto ifs=make_shared<ifstream>();
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ifs->open(path.string(), ifstream::in | ios::binary);
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if(ifs) {
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ifs.seekg(0, ios::end);
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auto length=ifs.tellg();
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ifs.seekg(0, ios::beg);
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response << "HTTP/1.1 200 OK\r\nContent-Length: " << length << "\r\n\r\n";
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//read and send 128 KB at a time
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const size_t buffer_size=131072;
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vector<char> buffer(buffer_size);
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streamsize read_length;
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try {
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while((read_length=ifs.read(&buffer[0], buffer_size).gcount())>0) {
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response.write(&buffer[0], read_length);
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response.flush();
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size_t buffer_size=131072;
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auto buffer=make_shared<vector<char>>(buffer_size);
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auto send_callback=make_shared<std::function<void(const boost::system::error_code&)> >(nullptr);
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*send_callback=[&server, response, ifs, buffer, buffer_size, send_callback](const boost::system::error_code &ec) {
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if(!ec) {
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streamsize read_length;
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if((read_length=ifs->read(&(*buffer)[0], buffer_size).gcount())>0) {
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response->write(&(*buffer)[0], read_length);
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server.send(response, *send_callback);
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}
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}
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}
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catch(const exception &) {
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cerr << "Connection interrupted, closing file" << endl;
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}
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ifs.close();
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else
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cerr << "Connection interrupted" << endl;
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};
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ifs->seekg(0, ios::end);
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auto length=ifs->tellg();
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ifs->seekg(0, ios::beg);
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*response << "HTTP/1.1 200 OK\r\nContent-Length: " << length << "\r\n\r\n";
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server.send(response, *send_callback);
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return;
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}
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}
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}
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}
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string content="Could not open path "+request->path;
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response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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*response << "HTTP/1.1 400 Bad Request\r\nContent-Length: " << content.length() << "\r\n\r\n" << content;
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};
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thread server_thread([&server](){
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106
server_http.hpp
106
server_http.hpp
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@ -2,7 +2,6 @@
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#define SERVER_HTTP_HPP
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#include <boost/asio.hpp>
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#include <boost/asio/spawn.hpp>
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#include <boost/regex.hpp>
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/functional/hash.hpp>
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@ -21,27 +20,17 @@ namespace SimpleWeb {
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class Response : public std::ostream {
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friend class ServerBase<socket_type>;
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private:
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boost::asio::yield_context& yield;
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boost::asio::streambuf streambuf;
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socket_type &socket;
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Response(socket_type &socket, boost::asio::yield_context& yield):
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std::ostream(&streambuf), yield(yield), socket(socket) {}
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std::shared_ptr<socket_type> socket;
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Response(std::shared_ptr<socket_type> socket): std::ostream(&streambuf), socket(socket) {}
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public:
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size_t size() {
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return streambuf.size();
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}
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void flush() {
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boost::system::error_code ec;
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boost::asio::async_write(socket, streambuf, yield[ec]);
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if(ec)
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throw std::runtime_error(ec.message());
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}
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};
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class Content : public std::istream {
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@ -109,11 +98,11 @@ namespace SimpleWeb {
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class Config {
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friend class ServerBase<socket_type>;
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private:
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Config(unsigned short port, size_t num_threads): port(port), num_threads(num_threads), reuse_address(true) {}
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unsigned short port;
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Config(unsigned short port, size_t num_threads): num_threads(num_threads), port(port), reuse_address(true) {}
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size_t num_threads;
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public:
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unsigned short port;
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///IPv4 address in dotted decimal form or IPv6 address in hexadecimal notation.
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///If empty, the address will be any address.
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std::string address;
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@ -124,14 +113,14 @@ namespace SimpleWeb {
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Config config;
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std::unordered_map<std::string, std::unordered_map<std::string,
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std::function<void(typename ServerBase<socket_type>::Response&, std::shared_ptr<typename ServerBase<socket_type>::Request>)> > > resource;
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std::function<void(std::shared_ptr<typename ServerBase<socket_type>::Response>, std::shared_ptr<typename ServerBase<socket_type>::Request>)> > > resource;
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std::unordered_map<std::string,
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std::function<void(typename ServerBase<socket_type>::Response&, std::shared_ptr<typename ServerBase<socket_type>::Request>)> > default_resource;
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std::function<void(std::shared_ptr<typename ServerBase<socket_type>::Response>, std::shared_ptr<typename ServerBase<socket_type>::Request>)> > default_resource;
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private:
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std::vector<std::pair<std::string, std::vector<std::pair<boost::regex,
|
||||
std::function<void(typename ServerBase<socket_type>::Response&, std::shared_ptr<typename ServerBase<socket_type>::Request>)> > > > > opt_resource;
|
||||
std::function<void(std::shared_ptr<typename ServerBase<socket_type>::Response>, std::shared_ptr<typename ServerBase<socket_type>::Request>)> > > > > opt_resource;
|
||||
|
||||
public:
|
||||
void start() {
|
||||
|
|
@ -191,6 +180,13 @@ namespace SimpleWeb {
|
|||
acceptor.close();
|
||||
io_service.stop();
|
||||
}
|
||||
|
||||
void send(std::shared_ptr<Response> response, const std::function<void(const boost::system::error_code&)>& callback=nullptr) {
|
||||
boost::asio::async_write(*response->socket, response->streambuf, [this, response, callback](const boost::system::error_code& ec, size_t /*bytes_transferred*/) {
|
||||
if(callback)
|
||||
callback(ec);
|
||||
});
|
||||
}
|
||||
|
||||
protected:
|
||||
boost::asio::io_service io_service;
|
||||
|
|
@ -357,48 +353,44 @@ namespace SimpleWeb {
|
|||
}
|
||||
|
||||
void write_response(std::shared_ptr<socket_type> socket, std::shared_ptr<Request> request,
|
||||
std::function<void(typename ServerBase<socket_type>::Response&, std::shared_ptr<typename ServerBase<socket_type>::Request>)>& resource_function) {
|
||||
std::function<void(std::shared_ptr<typename ServerBase<socket_type>::Response>,
|
||||
std::shared_ptr<typename ServerBase<socket_type>::Request>)>& resource_function) {
|
||||
//Set timeout on the following boost::asio::async-read or write function
|
||||
std::shared_ptr<boost::asio::deadline_timer> timer;
|
||||
if(timeout_content>0)
|
||||
timer=set_timeout_on_socket(socket, request, timeout_content);
|
||||
|
||||
boost::asio::spawn(request->strand, [this, &resource_function, socket, request, timer](boost::asio::yield_context yield) {
|
||||
Response response(*socket, yield);
|
||||
|
||||
try {
|
||||
resource_function(response, request);
|
||||
}
|
||||
catch(const std::exception&) {
|
||||
return;
|
||||
}
|
||||
|
||||
if(response.size()>0) {
|
||||
try {
|
||||
response.flush();
|
||||
auto response=std::shared_ptr<Response>(new Response(socket), [this, request, timer](Response *response_ptr) {
|
||||
auto response=std::shared_ptr<Response>(response_ptr);
|
||||
send(response, [this, response, request, timer](const boost::system::error_code& ec) {
|
||||
if(!ec) {
|
||||
if(timeout_content>0)
|
||||
timer->cancel();
|
||||
float http_version;
|
||||
try {
|
||||
http_version=stof(request->http_version);
|
||||
}
|
||||
catch(const std::exception &) {
|
||||
return;
|
||||
}
|
||||
|
||||
auto range=request->header.equal_range("Connection");
|
||||
for(auto it=range.first;it!=range.second;it++) {
|
||||
if(boost::iequals(it->second, "close"))
|
||||
return;
|
||||
}
|
||||
if(http_version>1.05)
|
||||
read_request_and_content(response->socket);
|
||||
}
|
||||
catch(const std::exception &) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
if(timeout_content>0)
|
||||
timer->cancel();
|
||||
float http_version;
|
||||
try {
|
||||
http_version=stof(request->http_version);
|
||||
}
|
||||
catch(const std::exception &) {
|
||||
return;
|
||||
}
|
||||
|
||||
auto range=request->header.equal_range("Connection");
|
||||
for(auto it=range.first;it!=range.second;it++) {
|
||||
if(boost::iequals(it->second, "close"))
|
||||
return;
|
||||
}
|
||||
if(http_version>1.05)
|
||||
read_request_and_content(socket);
|
||||
});
|
||||
});
|
||||
|
||||
try {
|
||||
resource_function(response, request);
|
||||
}
|
||||
catch(const std::exception&) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue