blob: b5afc402b7aba4693886facfc02266d7008a2f81 [file] [log] [blame]
// LINT: LEGACY_NAMES
syntax = "proto2";
package clearcut.connectivity;
option java_package = "com.android.server.connectivity.metrics";
option java_outer_classname = "IpConnectivityLogClass";
// NetworkId represents the id given by the system to a physical network on the
// Android device. It is used to relates events to each other for devices with
// multiple networks (WiFi, 4G, ...).
message NetworkId {
// Every network gets assigned a network_id on creation based on order of
// creation. Thus network_id N is assigned to the network created directly
// after network N-1. Thus there is no PII involved here. Zero means no
// network. The value 0 is never assigned to a network.
optional int32 network_id = 1;
};
// LinkLayer describes a physical link layer technology used by a network.
// It is not intended to map one to one to the TRANSPORT_* constants defined in
// android.net.NetworkCapabilities. Instead it is intended to be used as
// a dimension field for metrics events and aggregated metrics.
// Next tag: 7
enum LinkLayer {
// An unknown link layer technology.
UNKNOWN = 0;
BLUETOOTH = 1;
CELLULAR = 2;
ETHERNET = 3;
WIFI = 4;
// Indicates that the link layer dimension is not relevant for the metrics or
// event considered.
NONE = 5;
// Indicates that the metrics or event considered may involve several links.
MULTIPLE = 6;
};
// A pair of (key, value) integers for describing histogram-like statistics.
message Pair {
optional int32 key = 1;
optional int32 value = 2;
};
// Logs changes in the system default network. Changes can be 1) acquiring a
// default network with no previous default, 2) a switch of the system default
// network to a new default network, 3) a loss of the system default network.
// This message is associated to android.net.metrics.DefaultNetworkEvent.
message DefaultNetworkEvent {
// A value of 0 means this is a loss of the system default network.
optional NetworkId network_id = 1;
// A value of 0 means there was no previous default network.
optional NetworkId previous_network_id = 2;
// Whether the network supports IPv4, IPv6, or both.
enum IPSupport {
NONE = 0;
IPV4 = 1;
IPV6 = 2;
DUAL = 3;
};
// Best available information about IP support of the previous network when
// disconnecting or switching to a new default network.
optional IPSupport previous_network_ip_support = 3;
// The transport types of the new default network, represented by
// TRANSPORT_* constants as defined in NetworkCapabilities.
repeated int32 transport_types = 4;
};
// Logs IpReachabilityMonitor probe events and NUD_FAILED events.
// This message is associated to android.net.metrics.IpReachabilityEvent.
message IpReachabilityEvent {
// The interface name (wlan, rmnet, lo, ...) on which the probe was sent.
// Deprecated since version 2, to be replaced by link_layer field.
optional string if_name = 1 [deprecated = true];
// The event type code of the probe, represented by constants defined in
// android.net.metrics.IpReachabilityEvent.
// NUD_FAILED_ORGANIC and PROVISIONING_LOST_ORGANIC recorded since version 1.
optional int32 event_type = 2;
};
// Logs NetworkMonitor and ConnectivityService events related to the state of
// a network: connection, evaluation, validation, lingering, and disconnection.
// This message is associated to android.net.metrics.NetworkEvent.
message NetworkEvent {
// The id of the network on which this event happened.
optional NetworkId network_id = 1;
// The type of network event, represented by NETWORK_* constants defined in
// android.net.metrics.NetworkEvent.
optional int32 event_type = 2;
// Only valid after finishing evaluating a network for Internet connectivity.
// The time it took for this evaluation to complete.
optional int32 latency_ms = 3;
}
// Logs individual captive portal probing events that are performed when
// evaluating or reevaluating networks for Internet connectivity.
// This message is associated to android.net.metrics.ValidationProbeEvent.
message ValidationProbeEvent {
// The id of the network for which the probe was sent.
optional NetworkId network_id = 1;
// The time it took for that probe to complete or time out.
optional int32 latency_ms = 2;
// The type of portal probe, represented by PROBE_* constants defined in
// android.net.metrics.ValidationProbeEvent.
optional int32 probe_type = 3;
// The http code result of the probe test.
optional int32 probe_result = 4;
}
// Logs DNS lookup latencies. Repeated fields must have the same length.
// This message is associated to android.net.metrics.DnsEvent.
// Deprecated since version 2.
message DNSLookupBatch {
// The id of the network on which the DNS lookups took place.
optional NetworkId network_id = 1;
// The types of the DNS lookups, as defined in android.net.metrics.DnsEvent.
repeated int32 event_types = 2;
// The return values of the DNS resolver for each DNS lookups.
repeated int32 return_codes = 3;
// The time it took for each DNS lookups to complete.
repeated int32 latencies_ms = 4;
};
// Represents a collections of DNS lookup latencies and counters for a
// particular combination of DNS query type and return code.
// Since version 2.
message DNSLatencies {
// The type of the DNS lookups, as defined in android.net.metrics.DnsEvent.
// Acts as a key for a set of DNS query results.
// Possible values are: 0 for getaddrinfo, 1 for gethostbyname.
optional int32 type = 1;
// The return value of the DNS resolver for the DNS lookups.
// Acts as a key for a set of DNS query results.
// Possible values are: 0 for success, or errno code for failures.
optional int32 return_code = 2;
// The number of query operations recorded.
optional int32 query_count = 3;
// The number of query operations returning A IPv4 records.
optional int32 a_count = 4;
// The number of query operations returning AAAA IPv6 records.
optional int32 aaaa_count = 5;
// The time it took for each DNS lookup to complete. The number of repeated
// values can be less than query_count in case of event rate-limiting.
repeated int32 latencies_ms = 6;
};
// Represents latency and errno statistics of the connect() system call.
// Since version 2.
message ConnectStatistics {
// The number of connect() operations recorded.
optional int32 connect_count = 1;
// The number of connect() operations with IPv6 socket address.
optional int32 ipv6_addr_count = 2;
// The time it took for each successful connect() operation to complete.
// The number of repeated values can be less than connect_count in case of
// event rate-limiting.
repeated int32 latencies_ms = 3;
// Counts of all error values returned by failed connect() operations.
// The Pair key field is the errno code. The Pair value field is the count
// for that errno code.
repeated Pair errnos_counters = 4;
};
// Represents a DHCP event on a single interface, which can be a DHCPClient
// state transition or a response packet parsing error.
// This message is associated to android.net.metrics.DhcpClientEvent and
// android.net.metrics.DhcpErrorEvent.
message DHCPEvent {
// The interface name (wlan, rmnet, lo, ...) on which the event happened.
// Deprecated since version 2, to be replaced by link_layer field.
optional string if_name = 1 [deprecated = true];
oneof value {
// The name of a state in the DhcpClient state machine, represented by
// the inner classes of android.net.dhcp.DhcpClient.
string state_transition = 2;
// The error code of a DHCP error, represented by constants defined in
// android.net.metrics.DhcpErrorEvent.
int32 error_code = 3;
}
// Lifetime duration in milliseconds of a DhcpClient state, or transition
// time in milliseconds between specific pairs of DhcpClient's states.
// Only populated since version 1, when state_transition is populated.
optional int32 duration_ms = 4;
}
// Represents the generation of an Android Packet Filter program.
// Since version 1.
message ApfProgramEvent {
// Lifetime of the program in seconds.
optional int64 lifetime = 1;
// Number of RAs filtered by the APF program.
optional int32 filtered_ras = 2;
// Total number of RAs to filter currently tracked by ApfFilter. Can be more
// than filtered_ras if all available program size was exhausted.
optional int32 current_ras = 3;
// Length of the APF program in bytes.
optional int32 program_length = 4;
// True if the APF program is dropping multicast and broadcast traffic.
optional bool drop_multicast = 5;
// True if the interface on which APF runs has an IPv4 address.
optional bool has_ipv4_addr = 6;
}
// Represents Router Advertisement listening statistics for an interface with
// Android Packet Filter enabled.
// Since version 1.
message ApfStatistics {
// The time interval in milliseconds these stastistics cover.
optional int64 duration_ms = 1;
// The total number of received RAs.
optional int32 received_ras = 2;
// The total number of received RAs that matched a known RA.
optional int32 matching_ras = 3;
// The total number of received RAs ignored due to the MAX_RAS limit.
optional int32 dropped_ras = 5;
// The total number of received RAs with an effective lifetime of 0 seconds.
// Effective lifetime for APF is the minimum of all lifetimes in a RA.
optional int32 zero_lifetime_ras = 6;
// The total number of received RAs that could not be parsed.
optional int32 parse_errors = 7;
// The total number of APF program updates triggered by an RA reception.
optional int32 program_updates = 8;
// The maximum APF program size in byte advertised by hardware.
optional int32 max_program_size = 9;
}
// Represents the reception of a Router Advertisement packet for an interface
// with Android Packet Filter enabled.
// Since version 1.
message RaEvent {
// All lifetime values are expressed in seconds. The default value for an
// option lifetime that was not present in the RA option list is -1.
// The lifetime of an option (e.g., the Prefix Information Option) is the
// minimum lifetime of all such options in the packet.
// The value of the router lifetime in the RA packet.
optional int64 router_lifetime = 1;
// Prefix valid lifetime from the prefix information option.
optional int64 prefix_valid_lifetime = 2;
// Prefix preferred lifetime from the prefix information option.
optional int64 prefix_preferred_lifetime = 3;
// Route info lifetime.
optional int64 route_info_lifetime = 4;
// Recursive DNS server lifetime.
optional int64 rdnss_lifetime = 5;
// DNS search list lifetime.
optional int64 dnssl_lifetime = 6;
}
// Represents an IP provisioning event in IpManager and how long the
// provisioning action took.
// This message is associated to android.net.metrics.IpManagerEvent.
message IpProvisioningEvent {
// The interface name (wlan, rmnet, lo, ...) on which the probe was sent.
// Deprecated since version 2, to be replaced by link_layer field.
optional string if_name = 1 [deprecated = true];
// The code of the IP provisioning event, represented by constants defined in
// android.net.metrics.IpManagerEvent.
optional int32 event_type = 2;
// The duration of the provisioning action that resulted in this event.
optional int32 latency_ms = 3;
}
// Represents one of the IP connectivity event defined in this file.
// Next tag: 16
message IpConnectivityEvent {
// Time in ms when the event was recorded.
optional int64 time_ms = 1;
// Physical link layer of the network on which the event happened.
// Acts as a dimension key.
// Since version 2.
optional LinkLayer link_layer = 15;
// Event type.
oneof event {
// An event about the system default network.
// The link_layer field is not relevant for this event and set to NONE.
DefaultNetworkEvent default_network_event = 2;
// An IP reachability probe event.
IpReachabilityEvent ip_reachability_event = 3;
// A network lifecycle event.
NetworkEvent network_event = 4;
// A batch of DNS lookups.
// Deprecated in the nyc-mr2 release since version 2,and replaced by
// dns_latencies.
DNSLookupBatch dns_lookup_batch = 5 [deprecated = true];
// DNS lookup latency statistics.
DNSLatencies dns_latencies = 13;
// Connect latency and errno statistics.
ConnectStatistics connect_statistics = 14;
// A DHCP client event or DHCP receive error.
DHCPEvent dhcp_event = 6;
// An IP provisioning event.
IpProvisioningEvent ip_provisioning_event = 7;
// A network validation probe event.
ValidationProbeEvent validation_probe_event = 8;
// An Android Packet Filter program event.
ApfProgramEvent apf_program_event = 9;
// An Android Packet Filter statistics event.
ApfStatistics apf_statistics = 10;
// An RA packet reception event.
RaEvent ra_event = 11;
};
};
// The information about IP connectivity events.
message IpConnectivityLog {
// An array of IP connectivity events.
repeated IpConnectivityEvent events = 1;
// The number of events that had to be dropped due to a full buffer.
optional int32 dropped_events = 2;
// The version number of the metrics events being collected.
// nyc-dev: not populated, implicitly 0.
// nyc-dr1: not populated, implicitly 1 (sailfish and marlin only).
// nyc-mr1: not populated, implicitly 1.
// nyc-mr2: 2.
optional int32 version = 3;
};