- Added proxy function

- Changed interface between library and application
- Support for different build type

Change-Id: I34ae75057490eb887d353e53c6d013f88bead04f
Signed-off-by: Mauro Sardara <msardara+fdio@cisco.com>

2 files changed, 94 insertions, 0 deletions

diff --git a/http-client/http_client.cc b/http-client/http_client.cc
new file mode 100644
index 00000000..221e7bbe
--- /dev/null
+++ b/http-client/http_client.cc
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2017 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.h"
+
+#include <curl/curl.h>
+#include <sstream>
+#include <iostream>
+
+using namespace std;
+
+size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream) {
+  ((ostream*) stream)->write((const char*)ptr, size * nmemb);
+  return size * nmemb;
+}
+
+HTTPClient::HTTPClient() {
+  curl_ = curl_easy_init();
+}
+
+HTTPClient::~HTTPClient() {
+  curl_easy_cleanup(curl_);
+}
+
+bool HTTPClient::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);
+  curl_easy_setopt(curl_, CURLOPT_WRITEDATA, &out);
+
+  /* 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;
+}
\ No newline at end of file
diff --git a/http-client/http_client.h b/http-client/http_client.h
new file mode 100644
index 00000000..19d3c41e
--- /dev/null
+++ b/http-client/http_client.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2017 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.
+ */
+
+#ifndef HTTP_CLIENT_H_
+#define HTTP_CLIENT_H_
+
+#include <string>
+
+class HTTPClient {
+ public:
+  HTTPClient();
+  ~HTTPClient();
+  /**
+   * Download a file using HTTP GET and store in in a std::string
+   * @param url The URL to download
+   * @return The download result
+   */
+  bool download(const std::string& url, std::ostream& out);
+ private:
+  void* curl_;
+};
+
+#endif  // HTTP_CLIENT_H_
\ No newline at end of file