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66 lines
2.0 KiB
66 lines
2.0 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file CURLRequest.cpp
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* @author Marek Kotewicz <marek@ethdev.com>
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* @date 2015
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* Ethereum client.
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*/
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#include "CURLRequest.h"
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using namespace std;
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static size_t write_data(void *buffer, size_t elementSize, size_t numberOfElements, void *userp)
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{
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static_cast<stringstream *>(userp)->write((const char *)buffer, elementSize * numberOfElements);
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return elementSize * numberOfElements;
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}
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void CURLRequest::commonCURLPreparation()
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{
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m_resultBuffer.str("");
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curl_easy_setopt(m_curl, CURLOPT_URL, (m_url + "?").c_str());
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curl_easy_setopt(m_curl, CURLOPT_FOLLOWLOCATION, 1L);
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curl_easy_setopt(m_curl, CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(m_curl, CURLOPT_WRITEDATA, &m_resultBuffer);
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}
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std::tuple<long, string> CURLRequest::commonCURLPerform()
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{
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CURLcode res = curl_easy_perform(m_curl);
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if (res != CURLE_OK) {
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throw runtime_error(curl_easy_strerror(res));
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}
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long httpCode = 0;
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curl_easy_getinfo(m_curl, CURLINFO_RESPONSE_CODE, &httpCode);
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return make_tuple(httpCode, m_resultBuffer.str());
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}
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std::tuple<long, string> CURLRequest::post()
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{
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commonCURLPreparation();
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curl_easy_setopt(m_curl, CURLOPT_POSTFIELDS, m_body.c_str());
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struct curl_slist *headerList = NULL;
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headerList = curl_slist_append(headerList, "Content-Type: application/json");
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curl_easy_setopt(m_curl, CURLOPT_HTTPHEADER, headerList);
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auto result = commonCURLPerform();
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curl_slist_free_all(headerList);
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return result;
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}
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