diff options
Diffstat (limited to 'http-client/http_client.cc')
-rw-r--r-- | http-client/http_client.cc | 59 |
1 files changed, 59 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; +}
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