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#ifndef MBGL_STORAGE_HTTP_REQUEST_BATON
#define MBGL_STORAGE_HTTP_REQUEST_BATON
#include "response.hpp"
#include <mbgl/util/ptr.hpp>
#include <string>
#include <thread>
typedef struct uv_async_s uv_async_t;
namespace mbgl {
class HTTPRequest;
enum class HTTPResponseType : int8_t {
// This error probably won't be resolved by retrying anytime soon. We are giving up.
PermanentError = -5,
// This error might be resolved by waiting some time (e.g. server issues).
// We are going to do an exponential back-off and will try again in a few seconds.
TemporaryError = -4,
// This error was caused by a temporary error and it is likely that it will be resolved
// immediately. We are going to try again right away. This is like the TemporaryError, except
// that we will not perform exponential back-off.
SingularError = -3,
// This error might be resolved once the network reachability status changes.
// We are going to watch the network status for changes and will retry as soon as the operating
// system notifies us of a network status change.
ConnectionError = -2,
// The request was canceled programatically.
Canceled = -1,
// The request is still in progress.
Unknown = 0,
// The request returned data successfully. We retrieved and decoded the data successfully.
Successful = 1,
// The request confirmed that the data wasn't changed. We already have the data.
NotModified = 2,
};
struct HTTPRequestBaton {
HTTPRequestBaton(const std::string &path);
~HTTPRequestBaton();
const std::thread::id thread_id;
const std::string path;
HTTPRequest *request = nullptr;
uv_async_t *async = nullptr;
HTTPResponseType type = HTTPResponseType::Unknown;
std::unique_ptr<Response> response;
// Implementation specific use.
void *ptr = nullptr;
// IMPLEMENT THESE 3 PLATFORM SPECIFIC FUNCTIONS:
// Begin the HTTP request. Platform-specific implementation.
static void start(const util::ptr<HTTPRequestBaton> &ptr);
// This will be called to stop/cancel the HTTP request (if possible). Platform-specific implementation.
static void stop(const util::ptr<HTTPRequestBaton> &ptr);
};
}
#endif
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