[HICN-534] Major rework on libtransport organization

Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884
Signed-off-by: Mauro Sardara <msardara@cisco.com>

7 files changed, 341 insertions, 0 deletions

diff --git a/libtransport/includes/hicn/transport/http/CMakeLists.txt b/libtransport/includes/hicn/transport/http/CMakeLists.txt
new file mode 100644
index 000000000..9cf618c21
--- /dev/null
+++ b/libtransport/includes/hicn/transport/http/CMakeLists.txt
@@ -0,0 +1,25 @@
+# Copyright (c) 2017-2020 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)
+
+list(APPEND HEADER_FILES
+  ${CMAKE_CURRENT_SOURCE_DIR}/client_connection.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/request.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/default_values.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/facade.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/response.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/message.h
+)
+
+set(HEADER_FILES ${HEADER_FILES} PARENT_SCOPE)
\ No newline at end of file
diff --git a/libtransport/includes/hicn/transport/http/client_connection.h b/libtransport/includes/hicn/transport/http/client_connection.h
new file mode 100644
index 000000000..262756a09
--- /dev/null
+++ b/libtransport/includes/hicn/transport/http/client_connection.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2017-2020 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 <hicn/transport/http/default_values.h>
+#include <hicn/transport/http/request.h>
+#include <hicn/transport/http/response.h>
+#include <hicn/transport/interfaces/socket_consumer.h>
+#include <hicn/transport/interfaces/socket_producer.h>
+#include <hicn/transport/utils/uri.h>
+
+#include <vector>
+
+namespace transport {
+
+namespace http {
+
+using namespace interface;
+using namespace core;
+
+class HTTPClientConnection {
+  static constexpr uint32_t max_buffer_capacity = 64 * 1024;
+
+ public:
+  class ReadBytesCallback {
+   public:
+    virtual void onBytesReceived(std::unique_ptr<utils::MemBuf> &&buffer) = 0;
+    virtual void onSuccess(std::size_t bytes) = 0;
+    virtual void onError(const std::error_code ec) = 0;
+  };
+
+  enum class RC : uint32_t { DOWNLOAD_FAILED, DOWNLOAD_SUCCESS };
+
+  HTTPClientConnection();
+
+  ~HTTPClientConnection();
+
+  RC get(const std::string &url, HTTPHeaders headers = {},
+         HTTPPayload &&payload = nullptr,
+         std::shared_ptr<HTTPResponse> response = nullptr,
+         ReadBytesCallback *callback = nullptr,
+         std::string ipv6_first_word = "b001");
+
+  RC sendRequest(const std::string &url, HTTPMethod method,
+                 HTTPHeaders headers = {}, HTTPPayload &&payload = nullptr,
+                 std::shared_ptr<HTTPResponse> response = nullptr,
+                 ReadBytesCallback *callback = nullptr,
+                 std::string ipv6_first_word = "b001");
+
+  std::shared_ptr<HTTPResponse> response();
+
+  HTTPClientConnection &stop();
+
+  interface::ConsumerSocket &getConsumer();
+
+  HTTPClientConnection &setTimeout(const std::chrono::seconds &timeout);
+
+  HTTPClientConnection &setCertificate(const std::string &cert_path);
+
+ private:
+  class Implementation;
+  Implementation *implementation_;
+};
+
+}  // end namespace http
+
+}  // end namespace transport
\ No newline at end of file
diff --git a/libtransport/includes/hicn/transport/http/default_values.h b/libtransport/includes/hicn/transport/http/default_values.h
new file mode 100644
index 000000000..2d5a6b821
--- /dev/null
+++ b/libtransport/includes/hicn/transport/http/default_values.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2017-2019 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 <cstdint>
+
+namespace transport {
+
+namespace http {
+
+namespace default_values {
+
+const uint16_t ipv6_first_word = 0xb001;  // Network byte order
+
+}  // namespace default_values
+
+}  // namespace http
+
+}  // end namespace transport
diff --git a/libtransport/includes/hicn/transport/http/facade.h b/libtransport/includes/hicn/transport/http/facade.h
new file mode 100644
index 000000000..8a465ce94
--- /dev/null
+++ b/libtransport/includes/hicn/transport/http/facade.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2017-2019 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 <hicn/transport/http/client_connection.h>
+
+namespace libl4 = transport;
\ No newline at end of file
diff --git a/libtransport/includes/hicn/transport/http/message.h b/libtransport/includes/hicn/transport/http/message.h
new file mode 100644
index 000000000..b8756224f
--- /dev/null
+++ b/libtransport/includes/hicn/transport/http/message.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2017-2020 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
+
+#ifdef _WIN32
+#include <hicn/transport/portability/win_portability.h>
+#endif
+
+#include <hicn/transport/utils/membuf.h>
+
+#include <map>
+#include <sstream>
+#include <vector>
+
+#define HTTP_VERSION "1.1"
+
+namespace transport {
+
+namespace http {
+
+typedef enum { GET, POST, PUT, PATCH, DELETE } HTTPMethod;
+
+static std::map<HTTPMethod, std::string> method_map = {
+    {GET, "GET"},     {POST, "POST"},     {PUT, "PUT"},
+    {PATCH, "PATCH"}, {DELETE, "DELETE"},
+};
+
+typedef std::map<std::string, std::string> HTTPHeaders;
+typedef std::unique_ptr<utils::MemBuf> HTTPPayload;
+
+class HTTPMessage {
+ public:
+  virtual ~HTTPMessage() = default;
+
+  const HTTPHeaders getHeaders() { return headers_; };
+
+  void coalescePayloadBuffer() {
+    auto it = headers_.find("Content-Length");
+    if (it != headers_.end()) {
+      auto content_length = std::stoul(it->second);
+      payload_->gather(content_length);
+    }
+  }
+
+  HTTPPayload &&getPayload() { return std::move(payload_); }
+
+  std::string getHttpVersion() const { return http_version_; };
+
+ protected:
+  HTTPHeaders headers_;
+  HTTPPayload payload_;
+  std::string http_version_;
+};
+
+}  // end namespace http
+
+}  // end namespace transport
\ No newline at end of file
diff --git a/libtransport/includes/hicn/transport/http/request.h b/libtransport/includes/hicn/transport/http/request.h
new file mode 100644
index 000000000..54904d696
--- /dev/null
+++ b/libtransport/includes/hicn/transport/http/request.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017-2020 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 <hicn/transport/http/message.h>
+
+#include <map>
+#include <sstream>
+#include <vector>
+
+namespace transport {
+
+namespace http {
+
+class HTTPRequest : public HTTPMessage {
+ public:
+  HTTPRequest();
+  HTTPRequest(HTTPMethod method, const std::string &url,
+              const HTTPHeaders &headers, HTTPPayload &&payload);
+
+  void init(HTTPMethod method, const std::string &url,
+            const HTTPHeaders &headers, HTTPPayload &&payload);
+
+  std::string getQueryString() const;
+
+  std::string getPath() const;
+
+  std::string getProtocol() const;
+
+  std::string getLocator() const;
+
+  std::string getPort() const;
+
+  std::string getRequestString() const;
+
+ private:
+  std::string query_string_, path_, protocol_, locator_, port_;
+  std::string request_string_;
+};
+
+}  // end namespace http
+
+}  // end namespace transport
\ No newline at end of file
diff --git a/libtransport/includes/hicn/transport/http/response.h b/libtransport/includes/hicn/transport/http/response.h
new file mode 100644
index 000000000..bab41acb8
--- /dev/null
+++ b/libtransport/includes/hicn/transport/http/response.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017-2020 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 <hicn/transport/http/message.h>
+#include <hicn/transport/utils/array.h>
+
+#include <map>
+#include <sstream>
+#include <vector>
+
+namespace transport {
+
+namespace http {
+
+class HTTPResponse : public HTTPMessage {
+ public:
+  HTTPResponse();
+
+  HTTPResponse(std::unique_ptr<utils::MemBuf> &&response);
+
+  void appendResponseChunk(std::unique_ptr<utils::MemBuf> &&response_chunk);
+
+  const std::string &getStatusCode() const;
+
+  const std::string &getStatusString() const;
+
+  void parse(std::unique_ptr<utils::MemBuf> &&response);
+
+  bool parseHeaders(std::unique_ptr<utils::MemBuf> &&buffer);
+
+  static std::size_t parseHeaders(const uint8_t *buffer, std::size_t size,
+                                  HTTPHeaders &headers,
+                                  std::string &http_version,
+                                  std::string &status_code,
+                                  std::string &status_string);
+
+ private:
+  std::string status_code_;
+  std::string status_string_;
+};
+
+}  // end namespace http
+
+}  // end namespace transport
\ No newline at end of file