76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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//
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/// NOTE: Inclusion of this module will cause curl_global_init and
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/// curl_global_cleanup to be called at static initialization /
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/// deinitialization time.
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#ifndef MEDIA_BASE_HTTP_KEY_FETCHER_H_
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#define MEDIA_BASE_HTTP_KEY_FETCHER_H_
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#include "packager/base/compiler_specific.h"
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#include "packager/media/base/key_fetcher.h"
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#include "packager/media/base/status.h"
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namespace edash_packager {
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namespace media {
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/// A KeyFetcher implementation that retrieves keys over HTTP(s).
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/// This class is not fully thread safe. It can be used in multi-thread
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/// environment once constructed, but it may not be safe to create a
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/// HttpKeyFetcher object when any other thread is running due to use of
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/// curl_global_init.
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class HttpKeyFetcher : public KeyFetcher {
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public:
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/// Creates a fetcher with no timeout.
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HttpKeyFetcher();
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/// Create a fetcher with timeout.
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/// @param timeout_in_seconds specifies the timeout in seconds.
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HttpKeyFetcher(uint32_t timeout_in_seconds);
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~HttpKeyFetcher() override;
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/// @name KeyFetcher implementation overrides.
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Status FetchKeys(const std::string& url,
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const std::string& request,
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std::string* response) override;
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/// Fetch content using HTTP GET.
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/// @param url specifies the content URL.
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/// @param[out] response will contain the body of the http response on
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/// success. It should not be NULL.
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/// @return OK on success.
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virtual Status Get(const std::string& url, std::string* response);
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/// Fetch content using HTTP POST.
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/// @param url specifies the content URL.
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/// @param[out] response will contain the body of the http response on
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/// success. It should not be NULL.
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/// @return OK on success.
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virtual Status Post(const std::string& url,
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const std::string& data,
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std::string* response);
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private:
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enum HttpMethod {
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GET,
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POST,
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PUT
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};
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// Internal implementation of HTTP functions, e.g. Get and Post.
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Status FetchInternal(HttpMethod method, const std::string& url,
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const std::string& data, std::string* response);
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const uint32_t timeout_in_seconds_;
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DISALLOW_COPY_AND_ASSIGN(HttpKeyFetcher);
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};
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} // namespace media
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} // namespace edash_packager
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#endif // MEDIA_BASE_HTTP_KEY_FETCHER_H_
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