1/* 2 * Copyright 2019 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#import "RTCStatisticsReport+Private.h" 12 13#include "helpers/NSString+StdString.h" 14#include "rtc_base/checks.h" 15 16namespace webrtc { 17 18/** Converts a single value to a suitable NSNumber, NSString or NSArray containing NSNumbers 19 or NSStrings, or NSDictionary of NSString keys to NSNumber values.*/ 20NSObject *ValueFromStatsMember(const RTCStatsMemberInterface *member) { 21 if (member->is_defined()) { 22 switch (member->type()) { 23 case RTCStatsMemberInterface::kBool: 24 return [NSNumber numberWithBool:*member->cast_to<RTCStatsMember<bool>>()]; 25 case RTCStatsMemberInterface::kInt32: 26 return [NSNumber numberWithInt:*member->cast_to<RTCStatsMember<int32_t>>()]; 27 case RTCStatsMemberInterface::kUint32: 28 return [NSNumber numberWithUnsignedInt:*member->cast_to<RTCStatsMember<uint32_t>>()]; 29 case RTCStatsMemberInterface::kInt64: 30 return [NSNumber numberWithLong:*member->cast_to<RTCStatsMember<int64_t>>()]; 31 case RTCStatsMemberInterface::kUint64: 32 return [NSNumber numberWithUnsignedLong:*member->cast_to<RTCStatsMember<uint64_t>>()]; 33 case RTCStatsMemberInterface::kDouble: 34 return [NSNumber numberWithDouble:*member->cast_to<RTCStatsMember<double>>()]; 35 case RTCStatsMemberInterface::kString: 36 return [NSString stringForStdString:*member->cast_to<RTCStatsMember<std::string>>()]; 37 case RTCStatsMemberInterface::kSequenceBool: { 38 std::vector<bool> sequence = *member->cast_to<RTCStatsMember<std::vector<bool>>>(); 39 NSMutableArray *array = [NSMutableArray arrayWithCapacity:sequence.size()]; 40 for (auto item : sequence) { 41 [array addObject:[NSNumber numberWithBool:item]]; 42 } 43 return [array copy]; 44 } 45 case RTCStatsMemberInterface::kSequenceInt32: { 46 std::vector<int32_t> sequence = *member->cast_to<RTCStatsMember<std::vector<int32_t>>>(); 47 NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()]; 48 for (const auto &item : sequence) { 49 [array addObject:[NSNumber numberWithInt:item]]; 50 } 51 return [array copy]; 52 } 53 case RTCStatsMemberInterface::kSequenceUint32: { 54 std::vector<uint32_t> sequence = *member->cast_to<RTCStatsMember<std::vector<uint32_t>>>(); 55 NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()]; 56 for (const auto &item : sequence) { 57 [array addObject:[NSNumber numberWithUnsignedInt:item]]; 58 } 59 return [array copy]; 60 } 61 case RTCStatsMemberInterface::kSequenceInt64: { 62 std::vector<int64_t> sequence = *member->cast_to<RTCStatsMember<std::vector<int64_t>>>(); 63 NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()]; 64 for (const auto &item : sequence) { 65 [array addObject:[NSNumber numberWithLong:item]]; 66 } 67 return [array copy]; 68 } 69 case RTCStatsMemberInterface::kSequenceUint64: { 70 std::vector<uint64_t> sequence = *member->cast_to<RTCStatsMember<std::vector<uint64_t>>>(); 71 NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()]; 72 for (const auto &item : sequence) { 73 [array addObject:[NSNumber numberWithUnsignedLong:item]]; 74 } 75 return [array copy]; 76 } 77 case RTCStatsMemberInterface::kSequenceDouble: { 78 std::vector<double> sequence = *member->cast_to<RTCStatsMember<std::vector<double>>>(); 79 NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()]; 80 for (const auto &item : sequence) { 81 [array addObject:[NSNumber numberWithDouble:item]]; 82 } 83 return [array copy]; 84 } 85 case RTCStatsMemberInterface::kSequenceString: { 86 std::vector<std::string> sequence = 87 *member->cast_to<RTCStatsMember<std::vector<std::string>>>(); 88 NSMutableArray<NSString *> *array = [NSMutableArray arrayWithCapacity:sequence.size()]; 89 for (const auto &item : sequence) { 90 [array addObject:[NSString stringForStdString:item]]; 91 } 92 return [array copy]; 93 } 94 case RTCStatsMemberInterface::kMapStringUint64: { 95 std::map<std::string, uint64_t> map = 96 *member->cast_to<RTCStatsMember<std::map<std::string, uint64_t>>>(); 97 NSMutableDictionary<NSString *, NSNumber *> *dictionary = 98 [NSMutableDictionary dictionaryWithCapacity:map.size()]; 99 for (const auto &item : map) { 100 dictionary[[NSString stringForStdString:item.first]] = @(item.second); 101 } 102 return [dictionary copy]; 103 } 104 case RTCStatsMemberInterface::kMapStringDouble: { 105 std::map<std::string, double> map = 106 *member->cast_to<RTCStatsMember<std::map<std::string, double>>>(); 107 NSMutableDictionary<NSString *, NSNumber *> *dictionary = 108 [NSMutableDictionary dictionaryWithCapacity:map.size()]; 109 for (const auto &item : map) { 110 dictionary[[NSString stringForStdString:item.first]] = @(item.second); 111 } 112 return [dictionary copy]; 113 } 114 default: 115 RTC_DCHECK_NOTREACHED(); 116 } 117 } 118 119 return nil; 120} 121} // namespace webrtc 122 123@implementation RTC_OBJC_TYPE (RTCStatistics) 124 125@synthesize id = _id; 126@synthesize timestamp_us = _timestamp_us; 127@synthesize type = _type; 128@synthesize values = _values; 129 130- (instancetype)initWithStatistics:(const webrtc::RTCStats &)statistics { 131 if (self = [super init]) { 132 _id = [NSString stringForStdString:statistics.id()]; 133 _timestamp_us = statistics.timestamp_us(); 134 _type = [NSString stringWithCString:statistics.type() encoding:NSUTF8StringEncoding]; 135 136 NSMutableDictionary<NSString *, NSObject *> *values = [NSMutableDictionary dictionary]; 137 for (const webrtc::RTCStatsMemberInterface *member : statistics.Members()) { 138 NSObject *value = ValueFromStatsMember(member); 139 if (value) { 140 NSString *name = [NSString stringWithCString:member->name() encoding:NSUTF8StringEncoding]; 141 RTC_DCHECK(name.length > 0); 142 RTC_DCHECK(!values[name]); 143 values[name] = value; 144 } 145 } 146 _values = [values copy]; 147 } 148 149 return self; 150} 151 152- (NSString *)description { 153 return [NSString stringWithFormat:@"id = %@, type = %@, timestamp = %.0f, values = %@", 154 self.id, 155 self.type, 156 self.timestamp_us, 157 self.values]; 158} 159 160@end 161 162@implementation RTC_OBJC_TYPE (RTCStatisticsReport) 163 164@synthesize timestamp_us = _timestamp_us; 165@synthesize statistics = _statistics; 166 167- (NSString *)description { 168 return [NSString 169 stringWithFormat:@"timestamp = %.0f, statistics = %@", self.timestamp_us, self.statistics]; 170} 171 172@end 173 174@implementation RTC_OBJC_TYPE (RTCStatisticsReport) (Private) 175 176- (instancetype)initWithReport : (const webrtc::RTCStatsReport &)report { 177 if (self = [super init]) { 178 _timestamp_us = report.timestamp_us(); 179 180 NSMutableDictionary *statisticsById = 181 [NSMutableDictionary dictionaryWithCapacity:report.size()]; 182 for (const auto &stat : report) { 183 RTC_OBJC_TYPE(RTCStatistics) *statistics = 184 [[RTC_OBJC_TYPE(RTCStatistics) alloc] initWithStatistics:stat]; 185 statisticsById[statistics.id] = statistics; 186 } 187 _statistics = [statisticsById copy]; 188 } 189 190 return self; 191} 192 193@end 194