66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
#pragma once
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#include <mbgl/util/chrono.hpp>
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#include <mbgl/util/optional.hpp>
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#include <mbgl/util/variant.hpp>
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#include <string>
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#include <memory>
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namespace mbgl {
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class Response {
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public:
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Response() = default;
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Response(const Response&);
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Response& operator=(const Response&);
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public:
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class Error;
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// When this object is empty, the response was successful.
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std::unique_ptr<const Error> error;
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// This is set to true for 204 Not Modified responses, and, for backward compatibility,
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// for 404 Not Found responses for tiles.
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bool noContent = false;
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// This is set to true for 304 Not Modified responses.
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bool notModified = false;
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// The actual data of the response. Present only for non-error, non-notModified responses.
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std::shared_ptr<const std::string> data;
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optional<Timestamp> modified;
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optional<Timestamp> expires;
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optional<std::string> etag;
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bool isFresh() const {
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return expires ? *expires > util::now() : !error;
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}
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};
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class Response::Error {
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public:
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enum class Reason : uint8_t {
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Success = 1,
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NotFound = 2,
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Server = 3,
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Connection = 4,
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RateLimit = 5,
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Other = 6,
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} reason = Reason::Other;
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// An error message from the request handler, e.g. a server message or a system message
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// informing the user about the reason for the failure.
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std::string message;
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optional<Timestamp> retryAfter;
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public:
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Error(Reason, std::string = "", optional<Timestamp> = {});
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};
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std::ostream& operator<<(std::ostream&, Response::Error::Reason);
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} // namespace mbgl
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