From 1ad06afe9f952642a26f4d28239cf05eb3283eb7 Mon Sep 17 00:00:00 2001 From: Mauro Sardara Date: Tue, 19 Mar 2019 14:26:52 +0100 Subject: [HICN-6] ATS Working, little refactoring of apps Change-Id: I174815b70bf3a9fbe99ffab7dd2914be04d364b9 Signed-off-by: Mauro Sardara --- apps/http-server/CMakeLists.txt | 85 +++++ apps/http-server/http-client/http_client.h | 35 ++ apps/http-server/http-client/http_client_icn.cc | 37 +++ apps/http-server/http-client/http_client_icn.h | 34 ++ apps/http-server/http-client/http_client_tcp.cc | 99 ++++++ apps/http-server/http-client/http_client_tcp.h | 36 +++ apps/http-server/http-server.cc | 393 +++++++++++++++++++++++ apps/http-server/http-server/common.h | 34 ++ apps/http-server/http-server/configuration.cc | 47 +++ apps/http-server/http-server/configuration.h | 49 +++ apps/http-server/http-server/content.cc | 31 ++ apps/http-server/http-server/content.h | 34 ++ apps/http-server/http-server/http_server.cc | 409 ++++++++++++++++++++++++ apps/http-server/http-server/http_server.h | 109 +++++++ apps/http-server/http-server/icn_request.cc | 60 ++++ apps/http-server/http-server/icn_request.h | 53 +++ apps/http-server/http-server/icn_response.cc | 49 +++ apps/http-server/http-server/icn_response.h | 39 +++ apps/http-server/http-server/request.cc | 71 ++++ apps/http-server/http-server/request.h | 91 ++++++ apps/http-server/http-server/response.cc | 48 +++ apps/http-server/http-server/response.h | 50 +++ apps/http-server/http-server/socket_request.cc | 29 ++ apps/http-server/http-server/socket_request.h | 31 ++ apps/http-server/http-server/socket_response.cc | 43 +++ apps/http-server/http-server/socket_response.h | 38 +++ 26 files changed, 2034 insertions(+) create mode 100644 apps/http-server/CMakeLists.txt create mode 100644 apps/http-server/http-client/http_client.h create mode 100644 apps/http-server/http-client/http_client_icn.cc create mode 100644 apps/http-server/http-client/http_client_icn.h create mode 100644 apps/http-server/http-client/http_client_tcp.cc create mode 100644 apps/http-server/http-client/http_client_tcp.h create mode 100644 apps/http-server/http-server.cc create mode 100644 apps/http-server/http-server/common.h create mode 100644 apps/http-server/http-server/configuration.cc create mode 100644 apps/http-server/http-server/configuration.h create mode 100644 apps/http-server/http-server/content.cc create mode 100644 apps/http-server/http-server/content.h create mode 100644 apps/http-server/http-server/http_server.cc create mode 100644 apps/http-server/http-server/http_server.h create mode 100644 apps/http-server/http-server/icn_request.cc create mode 100644 apps/http-server/http-server/icn_request.h create mode 100644 apps/http-server/http-server/icn_response.cc create mode 100644 apps/http-server/http-server/icn_response.h create mode 100644 apps/http-server/http-server/request.cc create mode 100644 apps/http-server/http-server/request.h create mode 100644 apps/http-server/http-server/response.cc create mode 100644 apps/http-server/http-server/response.h create mode 100644 apps/http-server/http-server/socket_request.cc create mode 100644 apps/http-server/http-server/socket_request.h create mode 100644 apps/http-server/http-server/socket_response.cc create mode 100644 apps/http-server/http-server/socket_response.h (limited to 'apps/http-server') diff --git a/apps/http-server/CMakeLists.txt b/apps/http-server/CMakeLists.txt new file mode 100644 index 000000000..94aa9d43a --- /dev/null +++ b/apps/http-server/CMakeLists.txt @@ -0,0 +1,85 @@ +# Copyright (c) 2019 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +cmake_minimum_required(VERSION 3.5 FATAL_ERROR) + +set(CMAKE_CXX_STANDARD 14) + +find_package(CURL REQUIRED) +list(APPEND LIBRARIES + ${CURL_LIBRARY} +) + +set(LIB_SOURCE_FILES + http-server/http_server.cc + http-server/response.cc + http-server/socket_response.cc + http-server/icn_response.cc + http-server/content.cc + http-server/request.cc + http-server/icn_request.cc + http-server/socket_request.cc + http-server/configuration.cc + http-client/http_client_tcp.cc + http-client/http_client_icn.cc +) + +set(LIB_SERVER_HEADER_FILES + http-server/http_server.h + http-server/response.h + http-server/common.h + http-server/socket_response.h + http-server/content.h + http-server/request.h + http-server/icn_request.h + http-server/socket_request.h + http-server/configuration.h + http-server/icn_response.h +) + +set(LIB_CLIENT_HEADER_FILES + http-client/http_client_tcp.h + http-client/http_client_icn.h + http-client/http_client.h +) + +set(APP_SOURCE_FILES + http-server.cc +) + +include_directories( + ${CMAKE_BINARY_DIR}/apps/http-server + http-server + http-client +) + +build_library(hicn-httpserver + STATIC + SOURCES ${LIB_SOURCE_FILES} ${LIB_SERVER_HEADER_FILES} ${LIB_CLIENT_HEADER_FILES} + INSTALL_HEADERS ${HEADER_FILES} + LINK_LIBRARIES ${LIBRARIES} + DEPENDS ${DEPENDENCIES} + COMPONENT lib${LIBTRANSPORT} + INCLUDE_DIRS ${LIBTRANSPORT_INCLUDE_DIRS} + INSTALL_ROOT_DIR hicn/transport + DEFINITIONS ${COMPILER_DEFINITIONS} +) + +build_executable(hicn-http-server + SOURCES ${APP_SOURCE_FILES} + LINK_LIBRARIES hicn-httpserver ${WSOCK32_LIBRARY} ${WS2_32_LIBRARY} + DEPENDS hicn-httpserver + COMPONENT ${HICN_APPS} + DEFINITIONS ${COMPILER_DEFINITIONS} +) + diff --git a/apps/http-server/http-client/http_client.h b/apps/http-server/http-client/http_client.h new file mode 100644 index 000000000..087a061ab --- /dev/null +++ b/apps/http-server/http-client/http_client.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include + +#if defined(HICNET) +#include +#elif defined(ICNET) +#include +#else +#error "No ICN tranport library to which link against." +#endif + +class HTTPClient { + public: + virtual ~HTTPClient() = default; + + virtual void setTcp() = 0; + + virtual bool download(const std::string &url, std::ostream &out) = 0; +}; diff --git a/apps/http-server/http-client/http_client_icn.cc b/apps/http-server/http-client/http_client_icn.cc new file mode 100644 index 000000000..327d2eed1 --- /dev/null +++ b/apps/http-server/http-client/http_client_icn.cc @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "http_client_icn.h" +#include "response.h" + +#include + +using namespace std; + +HTTPClientIcn::HTTPClientIcn(uint32_t timeout) { + std::chrono::seconds _timeout(timeout); + connection_.setTimeout(_timeout); +} + +void HTTPClientIcn::setTcp() {} + +HTTPClientIcn::~HTTPClientIcn() {} + +bool HTTPClientIcn::download(const std::string &url, std::ostream &out) { + connection_.get(url); + libl4::http::HTTPResponse r = connection_.response(); + out.write(reinterpret_cast(r.data()), r.size()); + return true; +} diff --git a/apps/http-server/http-client/http_client_icn.h b/apps/http-server/http-client/http_client_icn.h new file mode 100644 index 000000000..5586f6d62 --- /dev/null +++ b/apps/http-server/http-client/http_client_icn.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "http_client.h" + +#include + +class HTTPClientIcn : public HTTPClient { +public: + HTTPClientIcn(uint32_t timeout); + + void setTcp(); + + ~HTTPClientIcn(); + + bool download(const std::string &url, std::ostream &out); + +private: + libl4::http::HTTPClientConnection connection_; +}; diff --git a/apps/http-server/http-client/http_client_tcp.cc b/apps/http-server/http-client/http_client_tcp.cc new file mode 100644 index 000000000..530f8ef95 --- /dev/null +++ b/apps/http-server/http-client/http_client_tcp.cc @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "http_client_tcp.h" +#include "response.h" + +#include +#include +#include +#include +#include + +using namespace std; + +struct UserData { + void *out; + void *curl; + bool tcp; + bool first_time; +}; + +typedef struct UserData UserData; + +size_t write_data(void *ptr, size_t size, size_t nmemb, void *user_data) { + + UserData *data = (UserData *)user_data; + + if (data->first_time) { + double cl; + + int res = + curl_easy_getinfo(data->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &cl); + + if (res >= 0) { + *(ostream *)data->out + << "HTTP/1.0 200 OK\r\nContent-Length: " << std::size_t(cl) + << "\r\n\r\n"; + } + + data->first_time = false; + } + + ((icn_httpserver::Response *)data->out) + ->write((const char *)ptr, size * nmemb); + // ((icn_httpserver::Response*) data->out)->send(); + return size * nmemb; +} + +HTTPClientTcp::HTTPClientTcp() { + tcp_ = false; + first_time = true; + curl_ = curl_easy_init(); +} + +void HTTPClientTcp::setTcp() { tcp_ = true; } + +HTTPClientTcp::~HTTPClientTcp() { curl_easy_cleanup(curl_); } + +bool HTTPClientTcp::download(const std::string &url, std::ostream &out) { + curl_easy_setopt(curl_, CURLOPT_URL, url.c_str()); + + /* example.com is redirected, so we tell libcurl to follow redirection */ + curl_easy_setopt(curl_, CURLOPT_FOLLOWLOCATION, 1L); + curl_easy_setopt(curl_, CURLOPT_NOSIGNAL, 1); + curl_easy_setopt(curl_, CURLOPT_ACCEPT_ENCODING, "deflate"); + + curl_easy_setopt(curl_, CURLOPT_WRITEFUNCTION, write_data); + UserData data; + data.out = &out; + data.curl = curl_; + data.tcp = tcp_; + data.first_time = first_time; + + curl_easy_setopt(curl_, CURLOPT_WRITEDATA, &data); + + /* Perform the request, res will get the return code */ + CURLcode res = curl_easy_perform(curl_); + + /* Check for errors */ + if (res != CURLE_OK) { + fprintf(stderr, "curl_easy_perform() failed: %s\n", + curl_easy_strerror(res)); + return false; + } + + return true; +} diff --git a/apps/http-server/http-client/http_client_tcp.h b/apps/http-server/http-client/http_client_tcp.h new file mode 100644 index 000000000..9433e8a36 --- /dev/null +++ b/apps/http-server/http-client/http_client_tcp.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "http_client.h" + +#include + +class HTTPClientTcp : public HTTPClient { +public: + HTTPClientTcp(); + + void setTcp(); + + ~HTTPClientTcp(); + + bool download(const std::string &url, std::ostream &out); + +private: + bool first_time; + bool tcp_; + void *curl_; +}; diff --git a/apps/http-server/http-server.cc b/apps/http-server/http-server.cc new file mode 100644 index 000000000..9d3eac5b8 --- /dev/null +++ b/apps/http-server/http-server.cc @@ -0,0 +1,393 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include +#include +#include +#include + +#ifndef _WIN32 +#include +#endif + +#include "http-server/http_server.h" +#include "http_client_icn.h" +#include "http_client_tcp.h" + +#ifdef _WIN32 +#include +#endif + +typedef icn_httpserver::HttpServer HttpServer; +typedef icn_httpserver::Response Response; +typedef icn_httpserver::Request Request; + +namespace std { + +int _isDirectory(const char *path) { + struct stat statbuf; + if (stat(path, &statbuf) != 0) return -1; + return S_ISDIR(statbuf.st_mode); +} + +int _isRegularFile(const char *path) { + struct stat statbuf; + if (stat(path, &statbuf) != 0) return 0; + return S_ISREG(statbuf.st_mode); +} + +string _getFileName(const string &strPath) { + size_t iLastSeparator = 0; +#ifdef _WIN32 + return strPath.substr( + (iLastSeparator = strPath.find_last_of("\\")) != std::string::npos + ? iLastSeparator + 1 + : 0, + strPath.size() - strPath.find_last_of(".")); +#else + return strPath.substr( + (iLastSeparator = strPath.find_last_of("/")) != std::string::npos + ? iLastSeparator + 1 + : 0, + strPath.size() - strPath.find_last_of(".")); +#endif +} + +int _mkdir(const char *dir) { + std::cout << dir << std::endl; +#ifdef _WIN32 + char sepChar = '\\'; + char tmp[MAX_PATH]; +#else + char sepChar = '/'; + char tmp[PATH_MAX]; +#endif + char *p = NULL; + size_t len; + + snprintf(tmp, sizeof(tmp), "%s", dir); + len = strlen(tmp); + + if (tmp[len - 1] == sepChar) tmp[len - 1] = 0; + for (p = tmp + 1; *p; p++) { + if (*p == sepChar) { + *p = 0; + if (_isDirectory(tmp) != 1) { +#ifdef _WIN32 + if (!CreateDirectory(tmp, NULL)) { +#else + if (mkdir(tmp, S_IRWXU) == -1) { +#endif + return -1; + } + } + *p = sepChar; + } + } + + if (_isDirectory(tmp) != 1) { +#ifdef _WIN32 + if (!CreateDirectory(tmp, NULL)) { +#else + if (mkdir(tmp, S_IRWXU) == -1) { +#endif + return -1; + } + } + + return 0; +} + +string _getExtension(const string &strPath) { + size_t iLastSeparator = 0; + return strPath.substr( + (iLastSeparator = strPath.find_last_of(".")) != std::string::npos + ? iLastSeparator + 1 + : 0, + strPath.size()); +} + +void default_resource_send(const HttpServer &server, + shared_ptr response, + shared_ptr ifs, + shared_ptr> buffer, + std::size_t bytes_to_read) { + streamsize read_length; + + if ((read_length = ifs->read(&(*buffer)[0], buffer->size()).gcount()) > 0) { + response->write(&(*buffer)[0], read_length); + + if (bytes_to_read <= static_cast(buffer->size())) { + // If this is the last part of the response, send it at the pointer + // deletion! + return; + } + + std::size_t to_read = bytes_to_read - read_length; + server.send(response, [&server, response, ifs, buffer, + to_read](const std::error_code &ec) { + if (!ec) { + default_resource_send(server, response, ifs, buffer, to_read); + } else { + cerr << "Connection interrupted" << endl; + } + }); + } +} + +void afterSignal(HttpServer *webServer, const std::error_code &errorCode) { + cout << "\nGracefully terminating http-server... wait." << endl; + webServer->stop(); +} + +void usage(const char *programName) { + cerr << "usage: " << programName << " [options]" << endl; + cerr << programName << " options:" << endl; + cerr << "-p = path to root folder" << endl; + cerr << "-f = configuration file path" << endl; + cerr << "-o = tcp listener port" << endl; + cerr << "-l = webserver prefix" << endl; + cerr << "-x = tcp proxy prefix" << endl; + cerr << "-z = hicn proxy prefix" << endl; + cerr << endl; + cerr << "Web server able to publish content and generate http responses over " + "TCP/ICN" + << endl; + cerr << endl; + + exit(1); +} + +int main(int argc, char **argv) { + // Parse command line arguments + +#ifndef _WIN32 + string root_folder = "/var/www/html"; +#else + char path[MAX_PATH]; + SHGetFolderPathA(NULL, CSIDL_PROFILE, NULL, 0, path); + string root_folder(path); + root_folder += "\\www\\html"; +#endif + string webserver_prefix = "http://webserver"; + string tcp_proxy_address; + string icn_proxy_prefix; + int port = 8080; + int opt = 0; + + while ((opt = getopt(argc, argv, "p:l:o:hx:z:")) != -1) { + switch (opt) { + case 'p': + root_folder = optarg; + break; + case 'l': + webserver_prefix = optarg; + break; + case 'x': + tcp_proxy_address = optarg; + break; + case 'o': + port = atoi(optarg); + break; + case 'z': + icn_proxy_prefix = optarg; + break; + case 'h': + default: + usage(argv[0]); + break; + } + } + + if (_isDirectory(root_folder.c_str()) != 1) { + if (_mkdir(root_folder.c_str()) == -1) { + std::cerr << "The web root folder " << root_folder + << " does not exist and its creation failed. Exiting.." + << std::endl; + return (EXIT_FAILURE); + } + } + + std::cout << "Using web root folder: [" << root_folder << "]" << std::endl; + std::cout << "Using locator: [" << webserver_prefix << "]" << std::endl; + if (!tcp_proxy_address.empty()) { + std::cout << "Using TCP proxy: [" << tcp_proxy_address << "]" << std::endl; + } + if (!icn_proxy_prefix.empty()) { + std::cout << "Using ICN proxy: [" << icn_proxy_prefix << "]" << std::endl; + } + + asio::io_service io_service; + HttpServer server(port, webserver_prefix, 50, 5, 300, io_service); + + // GET for the path /info + // Responds with some server info + server.resource["^/info$"]["GET"] = [](shared_ptr response, + shared_ptr request) { + stringstream content_stream; + content_stream + << "

This webserver is able to reply to HTTP over TCP/ICN

"; + content_stream << request->getMethod() << " " << request->getPath() + << " HTTP/" << request->getHttp_version() << "
"; + + for (auto &header : request->getHeader()) { + content_stream << header.first << ": " << header.second << "
"; + } + + // find length of content_stream (length received using + // content_stream.tellp()) + content_stream.seekp(0, ios::end); + + *response << "HTTP/1.1 200 OK\r\nContent-Length: " << content_stream.tellp() + << "\r\n\r\n" + << content_stream.rdbuf(); + }; + + // Default GET-example. If no other matches, this anonymous function will be + // called. Will respond with content in the web/-directory, and its + // subdirectories. Default file: index.html Can for instance be used to + // retrieve an HTML 5 client that uses REST-resources on this server + server.default_resource["GET"] = + [&server, &root_folder, &tcp_proxy_address, &icn_proxy_prefix]( + shared_ptr response, shared_ptr request) { + const auto web_root_path = root_folder; + std::string path = web_root_path; + + // check if there is "/" + path = path + request->getPath(); + std::cout << "path:" << path << std::endl; + auto socket_request = + dynamic_cast(request.get()); + + std::chrono::milliseconds response_lifetime; + std::string stem = _getFileName(path); + std::string extension = _getExtension(path); + if (extension == "mpd" || stem == "latest") { + std::cout << "1 second" << std::endl; + std::cout << "Setting lifetime to 1 second" << std::endl; + response_lifetime = std::chrono::milliseconds(1000); + } else { + std::cout << "5 second" << std::endl; + std::cout << "Setting lifetime to 5 second" << std::endl; + response_lifetime = std::chrono::milliseconds(5000); + } + + response->setResponseLifetime(response_lifetime); + + if (_isDirectory(path.c_str())) { + // Check if path is within web_root_path + if (distance(web_root_path.begin(), web_root_path.end()) <= + distance(path.begin(), path.end()) && + equal(web_root_path.begin(), web_root_path.end(), path.begin())) { + path += "index.html"; + if (_isRegularFile(path.c_str())) { + auto ifs = make_shared(); + ifs->open(path, ifstream::in | ios::binary); + + if (*ifs) { + // read and send 15 MB at a time + streamsize buffer_size = 15 * 1024 * 1024; + auto buffer = make_shared>(buffer_size); + + ifs->seekg(0, ios::end); + auto length = ifs->tellg(); + ifs->seekg(0, ios::beg); + + response->setResponseLength(length); + *response << "HTTP/1.0 200 OK\r\nContent-Length: " << length + << "\r\n\r\n"; + + default_resource_send(server, response, ifs, buffer, length); + + return; + } + } + } + } + + string proxy; + HTTPClient *client = nullptr; + + if (tcp_proxy_address.empty() && !icn_proxy_prefix.empty()) { + proxy = icn_proxy_prefix; + client = new HTTPClientIcn(20); + } else if (!tcp_proxy_address.empty() && icn_proxy_prefix.empty()) { + proxy = tcp_proxy_address; + client = new HTTPClientTcp; + } else if (!tcp_proxy_address.empty() && !icn_proxy_prefix.empty()) { + if (socket_request) { + proxy = icn_proxy_prefix; + client = new HTTPClientIcn(20); + } else { + proxy = tcp_proxy_address; + client = new HTTPClientTcp; + } + } + + if (!proxy.empty()) { + // Fetch content from remote origin + std::stringstream ss; + + if (strncmp("http://", proxy.c_str(), 7) != 0) { + if (strncmp("https://", proxy.c_str(), 8) != 0) { + ss << "https://"; + } else { + ss << "http://"; + } + } + + ss << proxy; + ss << request->getPath(); + + std::cout << "Forwarding request to " << ss.str() << std::endl; + + client->download(ss.str(), *response); + + delete client; + + if (response->size() == 0) { + *response << "HTTP/1.1 504 Gateway Timeout\r\n\r\n"; + } + + return; + } + + string content = "Could not open path " + request->getPath() + "\n"; + + *response << "HTTP/1.1 404 Not found\r\nContent-Length: " + << content.length() << "\r\n\r\n" + << content; + }; + + // Let the main thread to catch SIGINT + asio::signal_set signals(io_service, SIGINT); + signals.async_wait(bind(afterSignal, &server, placeholders::_1)); + + thread server_thread([&server]() { + // Start server + server.start(); + }); + + if (server_thread.joinable()) { + server_thread.join(); + } + + return 0; +} + +} // end namespace std + +int main(int argc, char **argv) { return std::main(argc, argv); } diff --git a/apps/http-server/http-server/common.h b/apps/http-server/http-server/common.h new file mode 100644 index 000000000..d61ddefe5 --- /dev/null +++ b/apps/http-server/http-server/common.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +typedef asio::ip::tcp::socket socket_type; +typedef std::function SendCallback; diff --git a/apps/http-server/http-server/configuration.cc b/apps/http-server/http-server/configuration.cc new file mode 100644 index 000000000..8aa371432 --- /dev/null +++ b/apps/http-server/http-server/configuration.cc @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "configuration.h" + +namespace icn_httpserver { + +Configuration::Configuration(unsigned short port, size_t num_threads) + : num_threads_(num_threads), port_(port), reuse_address_(true) {} + +size_t Configuration::getNum_threads() const { return num_threads_; } + +void Configuration::setNum_threads(size_t num_threads) { + Configuration::num_threads_ = num_threads; +} + +unsigned short Configuration::getPort() const { return port_; } + +void Configuration::setPort(unsigned short port) { + Configuration::port_ = port; +} + +const std::string &Configuration::getAddress() const { return address_; } + +void Configuration::setAddress(const std::string &address) { + Configuration::address_ = address; +} + +bool Configuration::isReuse_address() const { return reuse_address_; } + +void Configuration::setReuse_address(bool reuse_address) { + Configuration::reuse_address_ = reuse_address; +} + +} // end namespace icn_httpserver \ No newline at end of file diff --git a/apps/http-server/http-server/configuration.h b/apps/http-server/http-server/configuration.h new file mode 100644 index 000000000..8404025a6 --- /dev/null +++ b/apps/http-server/http-server/configuration.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "common.h" + +namespace icn_httpserver { + +class Configuration { +public: + Configuration(unsigned short port, size_t num_threads); + + size_t getNum_threads() const; + + void setNum_threads(size_t num_threads); + + unsigned short getPort() const; + + void setPort(unsigned short port); + + const std::string &getAddress() const; + + void setAddress(const std::string &address); + + bool isReuse_address() const; + + void setReuse_address(bool reuse_address); + +private: + size_t num_threads_; + unsigned short port_; + std::string address_; + bool reuse_address_; +}; + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/content.cc b/apps/http-server/http-server/content.cc new file mode 100644 index 000000000..86b7afc47 --- /dev/null +++ b/apps/http-server/http-server/content.cc @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "content.h" + +namespace icn_httpserver { + +Content::Content(asio::streambuf &streambuf) + : std::istream(&streambuf), streambuf_(streambuf) {} + +std::size_t Content::size() { return streambuf_.size(); } + +std::string Content::string() { + std::stringstream ss; + ss << rdbuf(); + return ss.str(); +} + +} // end namespace icn_httpserver \ No newline at end of file diff --git a/apps/http-server/http-server/content.h b/apps/http-server/http-server/content.h new file mode 100644 index 000000000..d1e6fecd2 --- /dev/null +++ b/apps/http-server/http-server/content.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "common.h" + +#pragma once + +namespace icn_httpserver { + +class Content : public std::istream { +public: + Content(asio::streambuf &streambuf); + + size_t size(); + + std::string string(); + +private: + asio::streambuf &streambuf_; +}; + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/http_server.cc b/apps/http-server/http-server/http_server.cc new file mode 100644 index 000000000..a2e911e10 --- /dev/null +++ b/apps/http-server/http-server/http_server.cc @@ -0,0 +1,409 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "http_server.h" + +#include +#include +#include + +namespace icn_httpserver { + +HttpServer::HttpServer(unsigned short port, std::string icn_name, + size_t num_threads, long timeout_request, + long timeout_send_or_receive) + : config_(port, num_threads), + internal_io_service_(std::make_shared()), + io_service_(*internal_io_service_), + acceptor_(io_service_), + icn_name_(icn_name), + timeout_request_(timeout_request), + timeout_content_(timeout_send_or_receive) {} + +HttpServer::HttpServer(unsigned short port, std::string icn_name, + size_t num_threads, long timeout_request, + long timeout_send_or_receive, + asio::io_service &ioService) + : config_(port, num_threads), + io_service_(ioService), + acceptor_(io_service_), + icn_name_(icn_name), + timeout_request_(timeout_request), + timeout_content_(timeout_send_or_receive) {} + +void HttpServer::onIcnRequest( + std::shared_ptr &publisher, + const uint8_t *buffer, std::size_t size, int request_id) { + std::shared_ptr request = std::make_shared(publisher); + request->getContent().rdbuf()->sputn((char *)buffer, size); + + if (!parse_request(request, request->getContent())) { + return; + } + + std::map> + &icn_publishers = icn_acceptor_->getPublishers(); + + std::unique_lock lock(thread_list_mtx_); + if (icn_publishers.size() < config_.getNum_threads()) { + std::cout << "Received request for: " << request->getPath() << std::endl; + + publisher->attachPublisher(); + std::cout << "Starting new thread" << std::endl; + io_service_.dispatch([this, request, request_id]() { + std::map> + &icn_publishers = icn_acceptor_->getPublishers(); + find_resource(nullptr, request); + icn_publishers[request_id]->serveClients(); + std::unique_lock lock(thread_list_mtx_); + icn_publishers.erase(request_id); + }); + } +} + +void HttpServer::setIcnAcceptor() { + icn_acceptor_ = std::make_shared( + icn_name_, std::bind(&HttpServer::onIcnRequest, this, + std::placeholders::_1, std::placeholders::_2, + std::placeholders::_3, std::placeholders::_4)); + icn_acceptor_->listen(true); +} + +void HttpServer::spawnThreads() { + if (io_service_.stopped()) { + io_service_.reset(); + } + + asio::ip::tcp::endpoint endpoint; + + if (config_.getAddress().size() > 0) { + endpoint = asio::ip::tcp::endpoint( + asio::ip::address::from_string(config_.getAddress()), + config_.getPort()); + } else { + endpoint = asio::ip::tcp::endpoint(asio::ip::tcp::v4(), config_.getPort()); + } + + acceptor_.open(endpoint.protocol()); + acceptor_.set_option( + asio::socket_base::reuse_address(config_.isReuse_address())); + acceptor_.bind(endpoint); + acceptor_.listen(); + + accept(); + + // If num_threads>1, start m_io_service.run() in (num_threads-1) threads for + // thread-pooling + socket_threads_.clear(); + for (size_t c = 1; c < config_.getNum_threads(); c++) { + socket_threads_.emplace_back([this]() { io_service_.run(); }); + } +} + +void HttpServer::start() { + // Copy the resources to opt_resource for more efficient request processing + opt_resource_.clear(); + for (auto &res : resource) { + for (auto &res_method : res.second) { + auto it = opt_resource_.end(); + for (auto opt_it = opt_resource_.begin(); opt_it != opt_resource_.end(); + opt_it++) { + if (res_method.first == opt_it->first) { + it = opt_it; + break; + } + } + if (it == opt_resource_.end()) { + opt_resource_.emplace_back(); + it = opt_resource_.begin() + (opt_resource_.size() - 1); + it->first = res_method.first; + } + it->second.emplace_back(std::regex(res.first), res_method.second); + } + } + + spawnThreads(); + + setIcnAcceptor(); + + // Wait for the rest of the threads, if any, to finish as well + for (auto &t : socket_threads_) { + t.join(); + } + // for (auto &t : icn_threads) { + // t.second.get(); + // } +} + +void HttpServer::stop() { + acceptor_.close(); + + io_service_.stop(); + + std::map> + &icn_publishers = icn_acceptor_->getPublishers(); + + for (auto &p : icn_publishers) { + p.second->stop(); + } +} + +void HttpServer::accept() { + // Create new socket for this connection + // Shared_ptr is used to pass temporary objects to the asynchronous functions + std::shared_ptr socket = + std::make_shared(io_service_); + + acceptor_.async_accept(*socket, [this, socket](const std::error_code &ec) { + // Immediately start accepting a new connection + accept(); + + if (!ec) { + asio::ip::tcp::no_delay option(true); + socket->set_option(option); + read_request_and_content(socket); + } + }); +} + +void HttpServer::send(std::shared_ptr response, + SendCallback callback) const { + response->send(callback); +} + +std::shared_ptr HttpServer::set_timeout_on_socket( + std::shared_ptr socket, long seconds) { + std::shared_ptr timer = + std::make_shared(io_service_); + timer->expires_from_now(std::chrono::seconds(seconds)); + timer->async_wait([socket](const std::error_code &ec) { + if (!ec) { + std::error_code ec; + socket->lowest_layer().shutdown(asio::ip::tcp::socket::shutdown_both, ec); + socket->lowest_layer().close(); + } + }); + return timer; +} + +void HttpServer::read_request_and_content(std::shared_ptr socket) { + // Create new streambuf (Request::streambuf) for async_read_until() + // shared_ptr is used to pass temporary objects to the asynchronous functions + std::shared_ptr request = std::make_shared(); + request->read_remote_endpoint_data(*socket); + + // Set timeout on the following asio::async-read or write function + std::shared_ptr timer; + if (timeout_request_ > 0) { + timer = set_timeout_on_socket(socket, timeout_request_); + } + + asio::async_read_until( + *socket, request->getStreambuf(), "\r\n\r\n", + [this, socket, request, timer](const std::error_code &ec, + size_t bytes_transferred) { + if (timeout_request_ > 0) { + timer->cancel(); + } + if (!ec) { + // request->streambuf.size() is not necessarily the same as + // bytes_transferred, from Asio-docs: "After a successful + // async_read_until operation, the streambuf may contain additional + // data beyond the delimiter" The chosen solution is to extract lines + // from the stream directly when parsing the header. What is left of + // the streambuf (maybe some bytes of the content) is appended to in + // the async_read-function below (for retrieving content). + size_t num_additional_bytes = + request->getStreambuf().in_avail() - bytes_transferred; + + if (!parse_request(request, request->getContent())) { + return; + } + + // If content, read that as well + auto it = request->getHeader().find("Content-Length"); + if (it != request->getHeader().end()) { + // Set timeout on the following asio::async-read or write function + std::shared_ptr timer; + if (timeout_content_ > 0) { + timer = set_timeout_on_socket(socket, timeout_content_); + } + unsigned long long content_length; + try { + content_length = atol(it->second.c_str()); + } catch (const std::exception &) { + return; + } + if (content_length > num_additional_bytes) { + asio::async_read( + *socket, request->getStreambuf(), + asio::transfer_exactly(content_length - num_additional_bytes), + [this, socket, request, timer](const std::error_code &ec, + size_t /*bytes_transferred*/) { + if (timeout_content_ > 0) { + timer->cancel(); + } + if (!ec) { + find_resource(socket, request); + } + }); + } else { + if (timeout_content_ > 0) { + timer->cancel(); + } + + find_resource(socket, request); + } + } else { + find_resource(socket, request); + } + } + }); +} + +bool HttpServer::parse_request(std::shared_ptr request, + std::istream &stream) const { + std::string line; + getline(stream, line); + size_t method_end; + if ((method_end = line.find(' ')) != std::string::npos) { + size_t path_end; + if ((path_end = line.find(' ', method_end + 1)) != std::string::npos) { + request->setMethod(line.substr(0, method_end)); + request->setPath(line.substr(method_end + 1, path_end - method_end - 1)); + + size_t protocol_end; + if ((protocol_end = line.find('/', path_end + 1)) != std::string::npos) { + if (line.substr(path_end + 1, protocol_end - path_end - 1) != "HTTP") { + return false; + } + request->setHttp_version( + line.substr(protocol_end + 1, line.size() - protocol_end - 2)); + } else { + return false; + } + + getline(stream, line); + size_t param_end; + while ((param_end = line.find(':')) != std::string::npos) { + size_t value_start = param_end + 1; + if ((value_start) < line.size()) { + if (line[value_start] == ' ') { + value_start++; + } + if (value_start < line.size()) { + request->getHeader().insert(std::make_pair( + line.substr(0, param_end), + line.substr(value_start, line.size() - value_start - 1))); + } + } + + getline(stream, line); + } + } else { + return false; + } + } else { + return false; + } + return true; +} + +void HttpServer::find_resource(std::shared_ptr socket, + std::shared_ptr request) { + // Find path- and method-match, and call write_response + for (auto &res : opt_resource_) { + if (request->getMethod() == res.first) { + for (auto &res_path : res.second) { + std::smatch sm_res; + if (std::regex_match(request->getPath(), sm_res, res_path.first)) { + request->setPath_match(std::move(sm_res)); + write_response(socket, request, res_path.second); + return; + } + } + } + } + auto it_method = default_resource.find(request->getMethod()); + if (it_method != default_resource.end()) { + write_response(socket, request, it_method->second); + return; + } + + std::cout << "resource not found" << std::endl; +} + +void HttpServer::write_response(std::shared_ptr socket, + std::shared_ptr request, + ResourceCallback &resource_function) { + // Set timeout on the following asio::async-read or write function + std::shared_ptr timer; + if (timeout_content_ > 0 && socket) { + timer = set_timeout_on_socket(socket, timeout_content_); + } + + Response *resp; + + if (socket) { + resp = new SocketResponse(socket); + } else { + resp = new IcnResponse( + std::static_pointer_cast(request)->getHttpPublisher(), + std::static_pointer_cast(request)->getName(), + std::static_pointer_cast(request)->getPath()); + } + + auto response = std::shared_ptr(resp, [this, request, timer, + socket]( + Response *response_ptr) { + auto response = std::shared_ptr(response_ptr); + response->setIsLast(true); + + send(response, [this, response, request, timer, + socket](const std::error_code &ec) { + if (!ec) { + if (socket && timeout_content_ > 0) { + timer->cancel(); + } + + float http_version; + try { + http_version = atof(request->getHttp_version().c_str()); + } catch (const std::exception &) { + return; + } + + auto range = request->getHeader().equal_range("Connection"); + for (auto it = range.first; it != range.second; it++) { + if (caseInsCompare(it->second, "close")) { + return; + } + } + if (http_version > 1.05 && socket) { + read_request_and_content( + std::static_pointer_cast(response)->getSocket()); + } + } + }); + }); + + try { + resource_function(response, request); + } catch (const std::exception &) { + return; + } +} + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/http_server.h b/apps/http-server/http-server/http_server.h new file mode 100644 index 000000000..cb963a900 --- /dev/null +++ b/apps/http-server/http-server/http_server.h @@ -0,0 +1,109 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "common.h" +#include "configuration.h" +#include "icn_request.h" +#include "icn_response.h" +#include "socket_request.h" +#include "socket_response.h" + +typedef std::function, + std::shared_ptr)> + ResourceCallback; + +#define SERVER_NAME "/webserver" +#define PACKET_SIZE 1500 +#define SEND_BUFFER_SIZE 30000 + +#define GET "GET" +#define POST "POST" +#define PUT "PUT" +#define DELETE "DELETE" +#define PATCH "PATCH" + +namespace icn_httpserver { + +class HttpServer { + public: + explicit HttpServer(unsigned short port, std::string icn_name, + size_t num_threads, long timeout_request, + long timeout_send_or_receive); + + explicit HttpServer(unsigned short port, std::string icn_name, + size_t num_threads, long timeout_request, + long timeout_send_or_receive, + asio::io_service &ioService); + + void start(); + + void stop(); + + void accept(); + + void send(std::shared_ptr response, + SendCallback callback = nullptr) const; + + std::unordered_map> + resource; + + std::unordered_map default_resource; + + void onIcnRequest( + std::shared_ptr &publisher, + const uint8_t *buffer, std::size_t size, int request_id); + + private: + void spawnThreads(); + + void setIcnAcceptor(); + + std::shared_ptr set_timeout_on_socket( + std::shared_ptr socket, long seconds); + + void read_request_and_content(std::shared_ptr socket); + + bool parse_request(std::shared_ptr request, + std::istream &stream) const; + + void find_resource(std::shared_ptr socket, + std::shared_ptr request); + + void write_response(std::shared_ptr socket, + std::shared_ptr request, + ResourceCallback &resource_function); + + Configuration config_; + + std::vector>>> + opt_resource_; + + std::shared_ptr internal_io_service_; + asio::io_service &io_service_; + asio::ip::tcp::acceptor acceptor_; + std::vector socket_threads_; + std::string icn_name_; + std::shared_ptr icn_acceptor_; + std::mutex thread_list_mtx_; + + long timeout_request_; + long timeout_content_; +}; + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/icn_request.cc b/apps/http-server/http-server/icn_request.cc new file mode 100644 index 000000000..3f85a927b --- /dev/null +++ b/apps/http-server/http-server/icn_request.cc @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "icn_request.h" + +namespace icn_httpserver { + +IcnRequest::IcnRequest( + std::shared_ptr &publisher) + : publisher_(publisher) { + time_t t; + time(&t); + srand((unsigned int)t); + request_id_ = rand(); +} + +IcnRequest::IcnRequest( + std::shared_ptr &publisher, + std::string name, std::string path, std::string method, + std::string http_version) + : IcnRequest(publisher) { + this->name_ = name; + this->path_ = path; + this->method_ = method; + this->http_version_ = http_version; +} + +const std::string &IcnRequest::getName() const { return name_; } + +void IcnRequest::setName(const std::string &name) { IcnRequest::name_ = name; } + +int IcnRequest::getRequest_id() const { return request_id_; } + +void IcnRequest::setRequest_id(int request_id) { + IcnRequest::request_id_ = request_id; +} + +const std::shared_ptr & +IcnRequest::getHttpPublisher() const { + return publisher_; +} + +void IcnRequest::setProducer( + const std::shared_ptr &producer) { + IcnRequest::publisher_ = producer; +} + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/icn_request.h b/apps/http-server/http-server/icn_request.h new file mode 100644 index 000000000..230197d3f --- /dev/null +++ b/apps/http-server/http-server/icn_request.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "common.h" +#include "request.h" + +namespace icn_httpserver { + +class IcnRequest : public Request { +public: + IcnRequest(std::shared_ptr &publisher); + + IcnRequest(std::shared_ptr &publisher, + std::string name, std::string path, std::string method, + std::string http_version); + + ~IcnRequest() = default; + + const std::string &getName() const; + + void setName(const std::string &name); + + int getRequest_id() const; + + void setRequest_id(int request_id); + + const std::shared_ptr & + getHttpPublisher() const; + + void setProducer( + const std::shared_ptr &producer); + +private: + std::string name_; + int request_id_; + std::shared_ptr publisher_; +}; + +} // end namespace icn_httpserver \ No newline at end of file diff --git a/apps/http-server/http-server/icn_response.cc b/apps/http-server/http-server/icn_response.cc new file mode 100644 index 000000000..0fcfa9493 --- /dev/null +++ b/apps/http-server/http-server/icn_response.cc @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "icn_response.h" + +namespace icn_httpserver { + +IcnResponse::IcnResponse( + std::shared_ptr publisher, + std::string ndn_name, + std::string ndn_path) //, + // int response_id) + : ndn_name_(ndn_name), ndn_path_(ndn_path), publisher_(publisher) {} + +void IcnResponse::send(const SendCallback &callback) { + + std::size_t buffer_size = this->streambuf_.size(); + this->streambuf_.commit(this->streambuf_.size()); + + this->publisher_->publishContent( + asio::buffer_cast(this->streambuf_.data()), buffer_size, + response_lifetime_, this->is_last_); + + this->streambuf_.consume(buffer_size); + + if (callback) { + callback(std::error_code()); + } +} + +void IcnResponse::setResponseLifetime( + const std::chrono::milliseconds &response_lifetime) { + this->publisher_->setTimeout(response_lifetime, true); + Response::setResponseLifetime(response_lifetime); +} + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/icn_response.h b/apps/http-server/http-server/icn_response.h new file mode 100644 index 000000000..90cd33313 --- /dev/null +++ b/apps/http-server/http-server/icn_response.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "response.h" + +namespace icn_httpserver { + +class IcnResponse : public Response { + +public: + IcnResponse(std::shared_ptr producer, + std::string ndn_name, std::string ndn_path); + + void send(const SendCallback &callback = nullptr) override; + + void setResponseLifetime( + const std::chrono::milliseconds &response_lifetime) override; + +private: + std::string ndn_name_; + std::string ndn_path_; + std::shared_ptr publisher_; +}; + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/request.cc b/apps/http-server/http-server/request.cc new file mode 100644 index 000000000..1e3d5b81d --- /dev/null +++ b/apps/http-server/http-server/request.cc @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "request.h" + +using namespace std; + +inline bool caseInsCharCompareN(char a, char b) { + return (toupper(a) == toupper(b)); +} + +inline bool caseInsCharCompareW(wchar_t a, wchar_t b) { + return (towupper(a) == towupper(b)); +} + +bool caseInsCompare(const string &s1, const string &s2) { + return ((s1.size() == s2.size()) && + equal(s1.begin(), s1.end(), s2.begin(), caseInsCharCompareN)); +} + +bool caseInsCompare(const wstring &s1, const wstring &s2) { + return ((s1.size() == s2.size()) && + equal(s1.begin(), s1.end(), s2.begin(), caseInsCharCompareW)); +} + +namespace icn_httpserver { + +Request::Request() : content_(streambuf_) {} + +const std::string &Request::getMethod() const { return method_; } + +void Request::setMethod(const std::string &method) { + Request::method_ = method; +} + +const std::string &Request::getPath() const { return path_; } + +void Request::setPath(const std::string &path) { Request::path_ = path; } + +const std::string &Request::getHttp_version() const { return http_version_; } + +void Request::setHttp_version(const std::string &http_version) { + Request::http_version_ = http_version; +} + +std::unordered_multimap & +Request::getHeader() { + return header_; +} + +Content &Request::getContent() { return content_; } + +const std::smatch &Request::getPath_match() const { return path_match_; } + +void Request::setPath_match(const std::smatch &path_match) { + Request::path_match_ = path_match; +} + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/request.h b/apps/http-server/http-server/request.h new file mode 100644 index 000000000..393556edb --- /dev/null +++ b/apps/http-server/http-server/request.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "common.h" +#include "content.h" + +using namespace std; + +inline bool caseInsCharCompareN(char a, char b); + +inline bool caseInsCharCompareW(wchar_t a, wchar_t b); + +bool caseInsCompare(const string &s1, const string &s2); + +bool caseInsCompare(const wstring &s1, const wstring &s2); + +namespace icn_httpserver { + +class iequal_to { +public: + bool operator()(const std::string &key1, const std::string &key2) const { + return caseInsCompare(key1, key2); + } +}; + +class ihash { +public: + size_t operator()(const std::string &key) const { + std::size_t seed = 0; + for (auto &c : key) { + std::hash hasher; + seed ^= hasher(c) + 0x9e3779b9 + (seed << 6) + (seed >> 2); + } + return seed; + } +}; + +class Request { +public: + Request(); + + virtual void read_remote_endpoint_data(socket_type &socket){}; + + virtual ~Request() = default; + + const std::string &getMethod() const; + + void setMethod(const std::string &method); + + const std::string &getPath() const; + + void setPath(const std::string &path); + + const std::string &getHttp_version() const; + + void setHttp_version(const std::string &http_version); + + std::unordered_multimap & + getHeader(); + + asio::streambuf &getStreambuf() { return streambuf_; } + + Content &getContent(); + + const std::smatch &getPath_match() const; + + void setPath_match(const std::smatch &path_match); + +protected: + std::string method_, path_, http_version_; + Content content_; + std::unordered_multimap header_; + std::smatch path_match_; + asio::streambuf streambuf_; +}; + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/response.cc b/apps/http-server/http-server/response.cc new file mode 100644 index 000000000..ce5919934 --- /dev/null +++ b/apps/http-server/http-server/response.cc @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "response.h" +#include "common.h" + +#define DEFAULT_LIFETIME 1000 * 1000 + +namespace icn_httpserver { + +Response::Response() + : std::ostream(&streambuf_), is_last_(false), response_length_(0), + response_lifetime_(DEFAULT_LIFETIME) {} + +Response::~Response() {} + +std::size_t Response::size() { return streambuf_.size(); } + +bool Response::isIsLast() const { return is_last_; } + +void Response::setIsLast(bool is_last) { Response::is_last_ = is_last; } + +const std::chrono::milliseconds &Response::getResponseLifetime() const { + return response_lifetime_; +} + +void Response::setResponseLifetime( + const std::chrono::milliseconds &response_lifetime) { + Response::response_lifetime_ = response_lifetime; +} + +void Response::setResponseLength(std::size_t length) { + response_length_ = length; +} + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/response.h b/apps/http-server/http-server/response.h new file mode 100644 index 000000000..27be566bf --- /dev/null +++ b/apps/http-server/http-server/response.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "common.h" + +namespace icn_httpserver { + +class Response : public std::ostream { +public: + Response(); + + virtual ~Response(); + + size_t size(); + + virtual void send(const SendCallback &callback = nullptr){}; + + bool isIsLast() const; + + void setIsLast(bool is_last); + + void setResponseLength(std::size_t length); + + const std::chrono::milliseconds &getResponseLifetime() const; + + virtual void + setResponseLifetime(const std::chrono::milliseconds &response_lifetime); + +protected: + asio::streambuf streambuf_; + bool is_last_; + std::size_t response_length_; + std::chrono::milliseconds response_lifetime_; +}; + +} // end namespace icn_httpserver \ No newline at end of file diff --git a/apps/http-server/http-server/socket_request.cc b/apps/http-server/http-server/socket_request.cc new file mode 100644 index 000000000..7affe08f3 --- /dev/null +++ b/apps/http-server/http-server/socket_request.cc @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "socket_request.h" + +namespace icn_httpserver { + +void SocketRequest::read_remote_endpoint_data(socket_type &socket) { + try { + remote_endpoint_address_ = + socket.lowest_layer().remote_endpoint().address().to_string(); + remote_endpoint_port_ = socket.lowest_layer().remote_endpoint().port(); + } catch (const std::exception &) { + } +} + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/socket_request.h b/apps/http-server/http-server/socket_request.h new file mode 100644 index 000000000..020b7f5b4 --- /dev/null +++ b/apps/http-server/http-server/socket_request.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "request.h" + +namespace icn_httpserver { + +class SocketRequest : public Request { + public: + void read_remote_endpoint_data(socket_type &socket); + + private: + std::string remote_endpoint_address_; + unsigned short remote_endpoint_port_; +}; + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/socket_response.cc b/apps/http-server/http-server/socket_response.cc new file mode 100644 index 000000000..07ef96045 --- /dev/null +++ b/apps/http-server/http-server/socket_response.cc @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "socket_response.h" + +namespace icn_httpserver { + +SocketResponse::SocketResponse(std::shared_ptr socket) + : socket_(socket) {} + +SocketResponse::~SocketResponse(){}; + +void SocketResponse::send(const SendCallback &callback) { + asio::async_write( + *this->socket_, this->streambuf_, + [callback](const std::error_code &ec, size_t /*bytes_transferred*/) { + if (callback) { + callback(ec); + } + }); +} + +const std::shared_ptr &SocketResponse::getSocket() const { + return socket_; +} + +void SocketResponse::setSocket(const std::shared_ptr &socket) { + SocketResponse::socket_ = socket; +} + +} // end namespace icn_httpserver diff --git a/apps/http-server/http-server/socket_response.h b/apps/http-server/http-server/socket_response.h new file mode 100644 index 000000000..477fb30cb --- /dev/null +++ b/apps/http-server/http-server/socket_response.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "response.h" + +namespace icn_httpserver { + +class SocketResponse : public Response { + public: + SocketResponse(std::shared_ptr socket); + + ~SocketResponse(); + + void send(const SendCallback &callback = nullptr); + + const std::shared_ptr &getSocket() const; + + void setSocket(const std::shared_ptr &socket); + + private: + std::shared_ptr socket_; +}; + +} // end namespace icn_httpserver -- cgit 1.2.3-korg