6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
//===-- llvm/Support/HTTPClient.h - HTTP client library ---------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file contains the declarations of the HTTPClient library for issuing
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/// HTTP requests and handling the responses.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFOD_HTTPCLIENT_H
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#define LLVM_DEBUGINFOD_HTTPCLIENT_H
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <chrono>
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namespace llvm {
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enum class HTTPMethod { GET };
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/// A stateless description of an outbound HTTP request.
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struct HTTPRequest {
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SmallString<128> Url;
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SmallVector<std::string, 0> Headers;
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HTTPMethod Method = HTTPMethod::GET;
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bool FollowRedirects = true;
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HTTPRequest(StringRef Url);
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};
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bool operator==(const HTTPRequest &A, const HTTPRequest &B);
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/// A handler for state updates occurring while an HTTPRequest is performed.
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/// Can trigger the client to abort the request by returning an Error from any
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/// of its methods.
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class HTTPResponseHandler {
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public:
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/// Processes an additional chunk of bytes of the HTTP response body.
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virtual Error handleBodyChunk(StringRef BodyChunk) = 0;
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protected:
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~HTTPResponseHandler();
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};
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/// A reusable client that can perform HTTPRequests through a network socket.
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class HTTPClient {
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#ifdef LLVM_ENABLE_CURL
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void *Curl = nullptr;
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#endif
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public:
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HTTPClient();
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~HTTPClient();
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static bool IsInitialized;
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/// Returns true only if LLVM has been compiled with a working HTTPClient.
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static bool isAvailable();
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/// Must be called at the beginning of a program, while it is a single thread.
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static void initialize();
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/// Must be called at the end of a program, while it is a single thread.
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static void cleanup();
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/// Sets the timeout for the entire request, in milliseconds. A zero or
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/// negative value means the request never times out.
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void setTimeout(std::chrono::milliseconds Timeout);
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/// Performs the Request, passing response data to the Handler. Returns all
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/// errors which occur during the request. Aborts if an error is returned by a
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/// Handler method.
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Error perform(const HTTPRequest &Request, HTTPResponseHandler &Handler);
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/// Returns the last received response code or zero if none.
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unsigned responseCode();
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};
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} // end namespace llvm
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#endif // LLVM_DEBUGINFOD_HTTPCLIENT_H
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