mirror of
https://github.com/kidfromjupiter/nearby.git
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59 lines
1.9 KiB
Objective-C
59 lines
1.9 KiB
Objective-C
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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@class GNSSocket;
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typedef void (^GNCMBoolHandler)(BOOL flag);
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Required lengths of certain BLE advertisement fields. */
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typedef NS_ENUM(NSUInteger, GNCMBleAdvertisementLength) {
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/** Length of service ID hash data object, used in the BLE advertisement and the packet prefix. */
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GNCMBleAdvertisementLengthServiceIDHash = 3,
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};
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/** Computes a hash from a service ID string. */
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NSData *GNCMServiceIDHash(NSString *serviceID);
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/** Creates the introduction packet for Ble SocketControlFrame. */
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NSData *GNCMGenerateBLEFramesIntroductionPacket(NSData *serviceIDHash);
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/**
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* Parses the packet for Ble SocketControlFrame introduction packet and returns
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* serviceIdHash if succeed.
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*/
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NSData *GNCMParseBLEFramesIntroductionPacket(NSData *data);
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/** Creates the disconnection packet for Ble SocketControlFrame. */
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NSData *GNCMGenerateBLEFramesDisconnectionPacket(NSData *serviceIDHash);
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/**
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* Calls the completion handler with (a) YES if the GNSSocket connected, or (b) NO if it failed to
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* connect for any reason. The completion handler is called on the main queue.
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*/
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void GNCMWaitForConnection(GNSSocket *socket, GNCMBoolHandler completion);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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NS_ASSUME_NONNULL_END
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