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session-ios/SignalServiceKit/src/Util/OWSAnalytics.h

154 lines
9.7 KiB
Objective-C

//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
NS_ASSUME_NONNULL_BEGIN
// TODO: We probably don't need all of these levels.
typedef NS_ENUM(NSUInteger, OWSAnalyticsSeverity) {
OWSAnalyticsSeverityDebug = 0,
OWSAnalyticsSeverityInfo = 1,
OWSAnalyticsSeverityWarn = 2,
OWSAnalyticsSeverityError = 3,
// I suspect we'll stage the development of our analytics,
// initially building only a minimal solution: an endpoint which
// ignores most requests, and sends only the highest-severity
// events as email to developers.
//
// This "critical" level of severity is intended for that purpose (for now).
//
// We might want to have an additional level of severity for
// critical (crashing) bugs that occur during app startup. These
// events should be sent to the service immediately and the app
// should block until that request completes.
OWSAnalyticsSeverityCritical = 4,
OWSAnalyticsSeverityOff = 5
};
// This is a placeholder. We don't yet serialize or transmit analytics events.
//
// If/when we take this on, we'll want to develop a solution that can be used
// report user activity - especially serious bugs - without compromising user
// privacy in any way. We must _never_ include any identifying information.
@interface OWSAnalytics : NSObject
// description: A non-empty string without any leading whitespace.
// This should conform to our analytics event naming conventions.
// "category_event_name", e.g. "database_error_no_database_file_found".
// parameters: Optional.
// If non-nil, the keys should all be non-empty NSStrings.
// Values should be NSStrings or NSNumbers.
+ (void)logEvent:(NSString *)eventName
severity:(OWSAnalyticsSeverity)severity
parameters:(nullable NSDictionary *)parameters
location:(const char *)location
line:(int)line;
+ (void)appLaunchDidBegin;
+ (void)appLaunchDidComplete;
@end
typedef NSDictionary<NSString *, id> *_Nonnull (^OWSProdAssertParametersBlock)();
#define kOWSProdAssertParameterDescription @"description"
#define kOWSProdAssertParameterNSErrorDomain @"nserror_domain"
#define kOWSProdAssertParameterNSErrorCode @"nserror_code"
#define kOWSProdAssertParameterNSErrorDescription @"nserror_description"
// These methods should be used to assert errors for which we want to fire analytics events.
//
// In production, returns __Value, the assert value, so that we can handle this case.
// In debug builds, asserts.
//
// parametersBlock is of type OWSProdAssertParametersBlock.
// The "C" variants (e.g. OWSProdAssert() vs. OWSProdCAssert() should be used in free functions,
// where there is no self.
//
#define OWSProdAssertWParamsTemplate(__value, __analyticsEventName, __parametersBlock, __assertMacro) \
{ \
if (!(BOOL)(__value)) { \
NSDictionary<NSString *, id> *__eventParameters = (__parametersBlock ? __parametersBlock() : nil); \
[DDLog flushLog]; \
[OWSAnalytics logEvent:__analyticsEventName \
severity:OWSAnalyticsSeverityError \
parameters:__eventParameters \
location:__PRETTY_FUNCTION__ \
line:__LINE__]; \
} \
__assertMacro(__value); \
return (BOOL)(__value); \
}
#define OWSProdAssertWParams(__value, __analyticsEventName, __parametersBlock) \
OWSProdAssertWParamsTemplate(__value, __analyticsEventName, __parametersBlock, OWSAssert)
#define OWSProdCAssertWParams(__value, __analyticsEventName, __parametersBlock) \
OWSProdAssertWParamsTemplate(__value, __analyticsEventName, __parametersBlock, OWSCAssert)
#define OWSProdAssert(__value, __analyticsEventName) OWSProdAssertWParams(__value, __analyticsEventName, nil)
#define OWSProdCAssert(__value, __analyticsEventName) OWSProdCAssertWParams(__value, __analyticsEventName, nil)
#define OWSProdFailWParamsTemplate(__analyticsEventName, __parametersBlock, __failMacro) \
{ \
NSDictionary<NSString *, id> *__eventParameters \
= (__parametersBlock ? ((OWSProdAssertParametersBlock)__parametersBlock)() : nil); \
[OWSAnalytics logEvent:__analyticsEventName \
severity:OWSAnalyticsSeverityCritical \
parameters:__eventParameters \
location:__PRETTY_FUNCTION__ \
line:__LINE__]; \
__failMacro(__analyticsEventName); \
}
#define OWSProdFailWParams(__analyticsEventName, __parametersBlock) \
OWSProdFailWParamsTemplate(__analyticsEventName, __parametersBlock, OWSFail)
#define OWSProdCFailWParams(__analyticsEventName, __parametersBlock) \
OWSProdFailWParamsTemplate(__analyticsEventName, __parametersBlock, OWSCFail)
#define OWSProdFail(__analyticsEventName) OWSProdFailWParams(__analyticsEventName, nil)
#define OWSProdCFail(__analyticsEventName) OWSProdCFailWParams(__analyticsEventName, nil)
#define AnalyticsParametersFromNSError(__nserror) \
^{ \
return (@{ \
kOWSProdAssertParameterNSErrorDomain : __nserror.domain, \
kOWSProdAssertParameterNSErrorCode : @(__nserror.code), \
kOWSProdAssertParameterNSErrorDescription : __nserror.description, \
}); \
}
#define OWSProdFailWNSError(__analyticsEventName, __nserror) \
OWSProdFailWParams(__analyticsEventName, AnalyticsParametersFromNSError(__nserror))
#define OWSProdEventWParams(__severityLevel, __analyticsEventName, __parametersBlock) \
{ \
NSDictionary<NSString *, id> *__eventParameters \
= (__parametersBlock ? ((OWSProdAssertParametersBlock)__parametersBlock)() : nil); \
[OWSAnalytics logEvent:__analyticsEventName \
severity:OWSAnalyticsSeverityCritical \
parameters:__eventParameters \
location:__PRETTY_FUNCTION__ \
line:__LINE__]; \
}
#define OWSProdErrorWParams(__analyticsEventName, __parametersBlock) \
OWSProdEventWParams(OWSAnalyticsSeverityCritical, __analyticsEventName, __parametersBlock)
#define OWSProdError(__analyticsEventName) OWSProdEventWParams(OWSAnalyticsSeverityCritical, __analyticsEventName, nil)
#define OWSProdInfoWParams(__analyticsEventName, __parametersBlock) \
OWSProdEventWParams(OWSAnalyticsSeverityInfo, __analyticsEventName, __parametersBlock)
#define OWSProdInfo(__analyticsEventName) OWSProdEventWParams(OWSAnalyticsSeverityInfo, __analyticsEventName, nil)
#define OWSProdCFail(__analyticsEventName) OWSProdCFailWParams(__analyticsEventName, nil)
#define OWSProdErrorWNSError(__analyticsEventName, __nserror) \
OWSProdErrorWParams(__analyticsEventName, AnalyticsParametersFromNSError(__nserror))
NS_ASSUME_NONNULL_END