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233 lines
8.3 KiB
233 lines
8.3 KiB
// Copyright 2014 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef LIBBRILLO_BRILLO_HTTP_CURL_API_H_
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#define LIBBRILLO_BRILLO_HTTP_CURL_API_H_
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#include <curl/curl.h>
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#include <string>
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#include <base/macros.h>
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#include <brillo/brillo_export.h>
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namespace brillo {
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namespace http {
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// Abstract wrapper around libcurl C API that allows us to mock it out in tests.
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class CurlInterface {
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public:
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CurlInterface() = default;
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virtual ~CurlInterface() = default;
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// Wrapper around curl_easy_init().
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virtual CURL* EasyInit() = 0;
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// Wrapper around curl_easy_cleanup().
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virtual void EasyCleanup(CURL* curl) = 0;
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// Wrappers around curl_easy_setopt().
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virtual CURLcode EasySetOptInt(CURL* curl, CURLoption option, int value) = 0;
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virtual CURLcode EasySetOptStr(CURL* curl,
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CURLoption option,
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const std::string& value) = 0;
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virtual CURLcode EasySetOptPtr(CURL* curl,
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CURLoption option,
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void* value) = 0;
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virtual CURLcode EasySetOptCallback(CURL* curl,
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CURLoption option,
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intptr_t address) = 0;
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virtual CURLcode EasySetOptOffT(CURL* curl,
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CURLoption option,
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curl_off_t value) = 0;
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// A type-safe wrapper around function callback options.
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template<typename R, typename... Args>
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inline CURLcode EasySetOptCallback(CURL* curl,
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CURLoption option,
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R(*callback)(Args...)) {
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return EasySetOptCallback(
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curl, option, reinterpret_cast<intptr_t>(callback));
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}
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// Wrapper around curl_easy_perform().
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virtual CURLcode EasyPerform(CURL* curl) = 0;
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// Wrappers around curl_easy_getinfo().
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virtual CURLcode EasyGetInfoInt(CURL* curl,
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CURLINFO info,
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int* value) const = 0;
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virtual CURLcode EasyGetInfoDbl(CURL* curl,
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CURLINFO info,
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double* value) const = 0;
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virtual CURLcode EasyGetInfoStr(CURL* curl,
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CURLINFO info,
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std::string* value) const = 0;
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virtual CURLcode EasyGetInfoPtr(CURL* curl,
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CURLINFO info,
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void** value) const = 0;
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// Wrapper around curl_easy_strerror().
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virtual std::string EasyStrError(CURLcode code) const = 0;
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// Wrapper around curl_multi_init().
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virtual CURLM* MultiInit() = 0;
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// Wrapper around curl_multi_cleanup().
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virtual CURLMcode MultiCleanup(CURLM* multi_handle) = 0;
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// Wrapper around curl_multi_info_read().
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virtual CURLMsg* MultiInfoRead(CURLM* multi_handle, int* msgs_in_queue) = 0;
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// Wrapper around curl_multi_add_handle().
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virtual CURLMcode MultiAddHandle(CURLM* multi_handle, CURL* curl_handle) = 0;
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// Wrapper around curl_multi_remove_handle().
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virtual CURLMcode MultiRemoveHandle(CURLM* multi_handle,
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CURL* curl_handle) = 0;
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// Wrapper around curl_multi_setopt(CURLMOPT_SOCKETFUNCTION/SOCKETDATA).
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virtual CURLMcode MultiSetSocketCallback(
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CURLM* multi_handle,
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curl_socket_callback socket_callback,
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void* userp) = 0;
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// Wrapper around curl_multi_setopt(CURLMOPT_TIMERFUNCTION/TIMERDATA).
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virtual CURLMcode MultiSetTimerCallback(
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CURLM* multi_handle,
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curl_multi_timer_callback timer_callback,
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void* userp) = 0;
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// Wrapper around curl_multi_assign().
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virtual CURLMcode MultiAssign(CURLM* multi_handle,
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curl_socket_t sockfd,
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void* sockp) = 0;
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// Wrapper around curl_multi_socket_action().
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virtual CURLMcode MultiSocketAction(CURLM* multi_handle,
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curl_socket_t s,
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int ev_bitmask,
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int* running_handles) = 0;
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// Wrapper around curl_multi_strerror().
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virtual std::string MultiStrError(CURLMcode code) const = 0;
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// Wrapper around curl_multi_perform().
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virtual CURLMcode MultiPerform(CURLM* multi_handle,
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int* running_handles) = 0;
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// Wrapper around curl_multi_wait().
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virtual CURLMcode MultiWait(CURLM* multi_handle,
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curl_waitfd extra_fds[],
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unsigned int extra_nfds,
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int timeout_ms,
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int* numfds) = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(CurlInterface);
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};
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class BRILLO_EXPORT CurlApi : public CurlInterface {
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public:
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CurlApi();
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~CurlApi() override;
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// Wrapper around curl_easy_init().
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CURL* EasyInit() override;
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// Wrapper around curl_easy_cleanup().
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void EasyCleanup(CURL* curl) override;
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// Wrappers around curl_easy_setopt().
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CURLcode EasySetOptInt(CURL* curl, CURLoption option, int value) override;
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CURLcode EasySetOptStr(CURL* curl,
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CURLoption option,
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const std::string& value) override;
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CURLcode EasySetOptPtr(CURL* curl, CURLoption option, void* value) override;
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CURLcode EasySetOptCallback(CURL* curl,
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CURLoption option,
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intptr_t address) override;
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CURLcode EasySetOptOffT(CURL* curl,
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CURLoption option,
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curl_off_t value) override;
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// Wrapper around curl_easy_perform().
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CURLcode EasyPerform(CURL* curl) override;
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// Wrappers around curl_easy_getinfo().
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CURLcode EasyGetInfoInt(CURL* curl, CURLINFO info, int* value) const override;
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CURLcode EasyGetInfoDbl(CURL* curl,
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CURLINFO info,
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double* value) const override;
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CURLcode EasyGetInfoStr(CURL* curl,
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CURLINFO info,
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std::string* value) const override;
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CURLcode EasyGetInfoPtr(CURL* curl,
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CURLINFO info,
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void** value) const override;
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// Wrapper around curl_easy_strerror().
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std::string EasyStrError(CURLcode code) const override;
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// Wrapper around curl_multi_init().
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CURLM* MultiInit() override;
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// Wrapper around curl_multi_cleanup().
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CURLMcode MultiCleanup(CURLM* multi_handle) override;
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// Wrapper around curl_multi_info_read().
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CURLMsg* MultiInfoRead(CURLM* multi_handle, int* msgs_in_queue) override;
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// Wrapper around curl_multi_add_handle().
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CURLMcode MultiAddHandle(CURLM* multi_handle, CURL* curl_handle) override;
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// Wrapper around curl_multi_remove_handle().
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CURLMcode MultiRemoveHandle(CURLM* multi_handle, CURL* curl_handle) override;
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// Wrapper around curl_multi_setopt(CURLMOPT_SOCKETFUNCTION/SOCKETDATA).
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CURLMcode MultiSetSocketCallback(
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CURLM* multi_handle,
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curl_socket_callback socket_callback,
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void* userp) override;
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// Wrapper around curl_multi_setopt(CURLMOPT_TIMERFUNCTION/TIMERDATA).
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CURLMcode MultiSetTimerCallback(
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CURLM* multi_handle,
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curl_multi_timer_callback timer_callback,
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void* userp) override;
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// Wrapper around curl_multi_assign().
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CURLMcode MultiAssign(CURLM* multi_handle,
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curl_socket_t sockfd,
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void* sockp) override;
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// Wrapper around curl_multi_socket_action().
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CURLMcode MultiSocketAction(CURLM* multi_handle,
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curl_socket_t s,
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int ev_bitmask,
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int* running_handles) override;
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// Wrapper around curl_multi_strerror().
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std::string MultiStrError(CURLMcode code) const override;
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// Wrapper around curl_multi_perform().
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CURLMcode MultiPerform(CURLM* multi_handle,
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int* running_handles) override;
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// Wrapper around curl_multi_wait().
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CURLMcode MultiWait(CURLM* multi_handle,
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curl_waitfd extra_fds[],
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unsigned int extra_nfds,
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int timeout_ms,
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int* numfds) override;
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private:
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DISALLOW_COPY_AND_ASSIGN(CurlApi);
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};
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} // namespace http
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} // namespace brillo
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#endif // LIBBRILLO_BRILLO_HTTP_CURL_API_H_
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