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/*
* Copyright 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#import "RTCStatisticsReport+Private.h"
#include "helpers/NSString+StdString.h"
#include "rtc_base/checks.h"
namespace webrtc {
/** Converts a single value to a suitable NSNumber, NSString or NSArray containing NSNumbers
or NSStrings, or NSDictionary of NSString keys to NSNumber values.*/
NSObject *ValueFromStatsAttribute(const Attribute &attribute) {
if (!attribute.has_value()) {
return nil;
}
if (attribute.holds_alternative<bool>()) {
return [NSNumber numberWithBool:attribute.get<bool>()];
} else if (attribute.holds_alternative<int32_t>()) {
return [NSNumber numberWithInt:attribute.get<int32_t>()];
} else if (attribute.holds_alternative<uint32_t>()) {
return [NSNumber numberWithUnsignedInt:attribute.get<uint32_t>()];
} else if (attribute.holds_alternative<int64_t>()) {
return [NSNumber numberWithLong:attribute.get<int64_t>()];
} else if (attribute.holds_alternative<uint64_t>()) {
return [NSNumber numberWithUnsignedLong:attribute.get<uint64_t>()];
} else if (attribute.holds_alternative<double>()) {
return [NSNumber numberWithDouble:attribute.get<double>()];
} else if (attribute.holds_alternative<std::string>()) {
return [NSString stringForStdString:attribute.get<std::string>()];
} else if (attribute.holds_alternative<std::vector<bool>>()) {
std::vector<bool> sequence = attribute.get<std::vector<bool>>();
NSMutableArray *array = [NSMutableArray arrayWithCapacity:sequence.size()];
for (auto item : sequence) {
[array addObject:[NSNumber numberWithBool:item]];
}
return [array copy];
} else if (attribute.holds_alternative<std::vector<int32_t>>()) {
std::vector<int32_t> sequence = attribute.get<std::vector<int32_t>>();
NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()];
for (const auto &item : sequence) {
[array addObject:[NSNumber numberWithInt:item]];
}
return [array copy];
} else if (attribute.holds_alternative<std::vector<uint32_t>>()) {
std::vector<uint32_t> sequence = attribute.get<std::vector<uint32_t>>();
NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()];
for (const auto &item : sequence) {
[array addObject:[NSNumber numberWithUnsignedInt:item]];
}
return [array copy];
} else if (attribute.holds_alternative<std::vector<int64_t>>()) {
std::vector<int64_t> sequence = attribute.get<std::vector<int64_t>>();
NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()];
for (const auto &item : sequence) {
[array addObject:[NSNumber numberWithLong:item]];
}
return [array copy];
} else if (attribute.holds_alternative<std::vector<uint64_t>>()) {
std::vector<uint64_t> sequence = attribute.get<std::vector<uint64_t>>();
NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()];
for (const auto &item : sequence) {
[array addObject:[NSNumber numberWithUnsignedLong:item]];
}
return [array copy];
} else if (attribute.holds_alternative<std::vector<double>>()) {
std::vector<double> sequence = attribute.get<std::vector<double>>();
NSMutableArray<NSNumber *> *array = [NSMutableArray arrayWithCapacity:sequence.size()];
for (const auto &item : sequence) {
[array addObject:[NSNumber numberWithDouble:item]];
}
return [array copy];
} else if (attribute.holds_alternative<std::vector<std::string>>()) {
std::vector<std::string> sequence = attribute.get<std::vector<std::string>>();
NSMutableArray<NSString *> *array = [NSMutableArray arrayWithCapacity:sequence.size()];
for (const auto &item : sequence) {
[array addObject:[NSString stringForStdString:item]];
}
return [array copy];
} else if (attribute.holds_alternative<std::map<std::string, uint64_t>>()) {
std::map<std::string, uint64_t> map = attribute.get<std::map<std::string, uint64_t>>();
NSMutableDictionary<NSString *, NSNumber *> *dictionary =
[NSMutableDictionary dictionaryWithCapacity:map.size()];
for (const auto &item : map) {
dictionary[[NSString stringForStdString:item.first]] = @(item.second);
}
return [dictionary copy];
} else if (attribute.holds_alternative<std::map<std::string, double>>()) {
std::map<std::string, double> map = attribute.get<std::map<std::string, double>>();
NSMutableDictionary<NSString *, NSNumber *> *dictionary =
[NSMutableDictionary dictionaryWithCapacity:map.size()];
for (const auto &item : map) {
dictionary[[NSString stringForStdString:item.first]] = @(item.second);
}
return [dictionary copy];
}
RTC_DCHECK_NOTREACHED();
return nil;
}
} // namespace webrtc
@implementation RTC_OBJC_TYPE (RTCStatistics)
@synthesize id = _id;
@synthesize timestamp_us = _timestamp_us;
@synthesize type = _type;
@synthesize values = _values;
- (instancetype)initWithStatistics:(const webrtc::RTCStats &)statistics {
if (self = [super init]) {
_id = [NSString stringForStdString:statistics.id()];
_timestamp_us = statistics.timestamp().us();
_type = [NSString stringWithCString:statistics.type() encoding:NSUTF8StringEncoding];
NSMutableDictionary<NSString *, NSObject *> *values = [NSMutableDictionary dictionary];
for (const auto &attribute : statistics.Attributes()) {
NSObject *value = ValueFromStatsAttribute(attribute);
if (value) {
NSString *name = [NSString stringWithCString:attribute.name()
encoding:NSUTF8StringEncoding];
RTC_DCHECK(name.length > 0);
RTC_DCHECK(!values[name]);
values[name] = value;
}
}
_values = [values copy];
}
return self;
}
- (NSString *)description {
return [NSString stringWithFormat:@"id = %@, type = %@, timestamp = %.0f, values = %@",
self.id,
self.type,
self.timestamp_us,
self.values];
}
@end
@implementation RTC_OBJC_TYPE (RTCStatisticsReport)
@synthesize timestamp_us = _timestamp_us;
@synthesize statistics = _statistics;
- (NSString *)description {
return [NSString
stringWithFormat:@"timestamp = %.0f, statistics = %@", self.timestamp_us, self.statistics];
}
@end
@implementation RTC_OBJC_TYPE (RTCStatisticsReport) (Private)
- (instancetype)initWithReport : (const webrtc::RTCStatsReport &)report {
if (self = [super init]) {
_timestamp_us = report.timestamp().us();
NSMutableDictionary *statisticsById =
[NSMutableDictionary dictionaryWithCapacity:report.size()];
for (const auto &stat : report) {
RTC_OBJC_TYPE(RTCStatistics) *statistics =
[[RTC_OBJC_TYPE(RTCStatistics) alloc] initWithStatistics:stat];
statisticsById[statistics.id] = statistics;
}
_statistics = [statisticsById copy];
}
return self;
}
@end