From e90ea94392b3a76595e8c876ef75618d38a049aa Mon Sep 17 00:00:00 2001 From: noxiouz Date: Sun, 22 Feb 2026 15:17:37 +0000 Subject: [PATCH] network: add io.systemd.Network.Link.Describe() Varlink method The handler returns the JSON produced by link_build_json(). Co-developed-by: Claude Opus 4.6 --- src/network/networkd-link-varlink.c | 22 +++++++++ src/network/networkd-link-varlink.h | 1 + src/network/networkd-manager-varlink.c | 1 + src/shared/varlink-io.systemd.Network.Link.c | 38 +++++++++++++++- src/shared/varlink-io.systemd.Network.c | 48 ++++++++++---------- src/shared/varlink-io.systemd.Network.h | 24 ++++++++++ 6 files changed, 109 insertions(+), 25 deletions(-) diff --git a/src/network/networkd-link-varlink.c b/src/network/networkd-link-varlink.c index 2010553ead..5864132ef8 100644 --- a/src/network/networkd-link-varlink.c +++ b/src/network/networkd-link-varlink.c @@ -6,6 +6,7 @@ #include "bus-polkit.h" #include "json-util.h" #include "networkd-dhcp4.h" +#include "networkd-json.h" #include "networkd-link.h" #include "networkd-link-varlink.h" #include "networkd-manager.h" @@ -67,6 +68,27 @@ int dispatch_link(sd_varlink *vlink, sd_json_variant *parameters, Manager *manag return 0; } +int vl_method_link_describe(sd_varlink *vlink, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) { + _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL; + Manager *manager = ASSERT_PTR(userdata); + Link *link; + int r; + + assert(vlink); + + r = dispatch_link(vlink, parameters, manager, DISPATCH_LINK_MANDATORY, &link); + if (r != 0) + return r; + + r = link_build_json(link, &v); + if (r < 0) + return log_link_error_errno(link, r, "Failed to format JSON data: %m"); + + return sd_varlink_replybo( + vlink, + SD_JSON_BUILD_PAIR_VARIANT("Interface", v)); +} + static int vl_method_link_up_or_down(sd_varlink *vlink, sd_json_variant *parameters, Manager *manager, bool up) { Link *link; int r; diff --git a/src/network/networkd-link-varlink.h b/src/network/networkd-link-varlink.h index b23b9717e3..7be68fee46 100644 --- a/src/network/networkd-link-varlink.h +++ b/src/network/networkd-link-varlink.h @@ -10,6 +10,7 @@ typedef enum DispatchLinkFlag { int dispatch_link(sd_varlink *vlink, sd_json_variant *parameters, Manager *manager, DispatchLinkFlag flags, Link **ret); +int vl_method_link_describe(sd_varlink *vlink, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata); int vl_method_link_up(sd_varlink *vlink, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata); int vl_method_link_down(sd_varlink *vlink, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata); int vl_method_link_renew(sd_varlink *vlink, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata); diff --git a/src/network/networkd-manager-varlink.c b/src/network/networkd-manager-varlink.c index 033dc87fbb..71ec695339 100644 --- a/src/network/networkd-manager-varlink.c +++ b/src/network/networkd-manager-varlink.c @@ -303,6 +303,7 @@ int manager_varlink_init(Manager *m, int fd) { "io.systemd.Network.GetNamespaceId", vl_method_get_namespace_id, "io.systemd.Network.GetLLDPNeighbors", vl_method_get_lldp_neighbors, "io.systemd.Network.SetPersistentStorage", vl_method_set_persistent_storage, + "io.systemd.Network.Link.Describe", vl_method_link_describe, "io.systemd.Network.Link.Up", vl_method_link_up, "io.systemd.Network.Link.Down", vl_method_link_down, "io.systemd.Network.Link.Renew", vl_method_link_renew, diff --git a/src/shared/varlink-io.systemd.Network.Link.c b/src/shared/varlink-io.systemd.Network.Link.c index 43dd640be8..5474e5e475 100644 --- a/src/shared/varlink-io.systemd.Network.Link.c +++ b/src/shared/varlink-io.systemd.Network.Link.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: LGPL-2.1-or-later */ #include "bus-polkit.h" +#include "varlink-io.systemd.Network.h" #include "varlink-io.systemd.Network.Link.h" #define VARLINK_NETWORK_INTERFACE_INPUTS \ @@ -9,6 +10,12 @@ SD_VARLINK_FIELD_COMMENT("Name of the interface. If specified together with InterfaceIndex, both must reference the same link."), \ SD_VARLINK_DEFINE_INPUT(InterfaceName, SD_VARLINK_STRING, SD_VARLINK_NULLABLE) +static SD_VARLINK_DEFINE_METHOD( + Describe, + VARLINK_NETWORK_INTERFACE_INPUTS, + SD_VARLINK_FIELD_COMMENT("Interface description"), + SD_VARLINK_DEFINE_OUTPUT_BY_TYPE(Interface, Interface, 0)); + static SD_VARLINK_DEFINE_METHOD( Up, VARLINK_NETWORK_INTERFACE_INPUTS, @@ -46,4 +53,33 @@ SD_VARLINK_DEFINE_INTERFACE( SD_VARLINK_SYMBOL_COMMENT("Force-renew DHCP server leases on the specified link."), &vl_method_ForceRenew, SD_VARLINK_SYMBOL_COMMENT("Unconditionally reconfigure the specified link."), - &vl_method_Reconfigure); + &vl_method_Reconfigure, + SD_VARLINK_SYMBOL_COMMENT("Describe the specified link by index or name."), + &vl_method_Describe, + &vl_type_Address, + &vl_type_BitRates, + &vl_type_DHCPLease, + &vl_type_DHCPServer, + &vl_type_DHCPServerLease, + &vl_type_DHCPv6Client, + &vl_type_DHCPv6ClientPD, + &vl_type_DHCPv6ClientVendorOption, + &vl_type_DNS, + &vl_type_DNSSECNegativeTrustAnchor, + &vl_type_DNSSetting, + &vl_type_Domain, + &vl_type_Interface, + &vl_type_LinkState, + &vl_type_LinkAddressState, + &vl_type_LinkOnlineState, + &vl_type_LinkRequiredAddressFamily, + &vl_type_LLDPNeighbor, + &vl_type_NDisc, + &vl_type_Neighbor, + &vl_type_NextHop, + &vl_type_NextHopGroup, + &vl_type_NTP, + &vl_type_Pref64, + &vl_type_PrivateOption, + &vl_type_Route, + &vl_type_SIP); diff --git a/src/shared/varlink-io.systemd.Network.c b/src/shared/varlink-io.systemd.Network.c index 27b27c055c..e98d517cc7 100644 --- a/src/shared/varlink-io.systemd.Network.c +++ b/src/shared/varlink-io.systemd.Network.c @@ -9,7 +9,7 @@ SD_VARLINK_FIELD_COMMENT(comment " (human-readable format)"), \ SD_VARLINK_DEFINE_FIELD(field_name##String, SD_VARLINK_STRING, (flags)) -static SD_VARLINK_DEFINE_ENUM_TYPE( +SD_VARLINK_DEFINE_ENUM_TYPE( LinkState, SD_VARLINK_DEFINE_ENUM_VALUE(pending), SD_VARLINK_DEFINE_ENUM_VALUE(initialized), @@ -93,7 +93,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Configuration state of this rule"), SD_VARLINK_DEFINE_FIELD(ConfigState, SD_VARLINK_STRING, 0)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( Route, SD_VARLINK_FIELD_COMMENT("Address family (AF_INET or AF_INET6)"), SD_VARLINK_DEFINE_FIELD(Family, SD_VARLINK_INT, 0), @@ -149,14 +149,14 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("TCP congestion control algorithm for this route"), SD_VARLINK_DEFINE_FIELD(TCPCongestionControlAlgorithm, SD_VARLINK_STRING, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( NextHopGroup, SD_VARLINK_FIELD_COMMENT("Next hop identifier in the multipath group"), SD_VARLINK_DEFINE_FIELD(ID, SD_VARLINK_INT, 0), SD_VARLINK_FIELD_COMMENT("Weight for load balancing (higher means more traffic)"), SD_VARLINK_DEFINE_FIELD(Weight, SD_VARLINK_INT, 0)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( NextHop, SD_VARLINK_FIELD_COMMENT("Next hop identifier"), SD_VARLINK_DEFINE_FIELD(ID, SD_VARLINK_INT, 0), @@ -181,7 +181,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Configuration state of this next hop"), SD_VARLINK_DEFINE_FIELD(ConfigState, SD_VARLINK_STRING, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( LLDPNeighbor, SD_VARLINK_FIELD_COMMENT("Chassis identifier in human-readable format"), SD_VARLINK_DEFINE_FIELD(ChassisID, SD_VARLINK_STRING, SD_VARLINK_NULLABLE), @@ -204,7 +204,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("VLAN identifier"), SD_VARLINK_DEFINE_FIELD(VlanID, SD_VARLINK_INT, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DNS, SD_VARLINK_FIELD_COMMENT("Address family (AF_INET or AF_INET6)"), SD_VARLINK_DEFINE_FIELD(Family, SD_VARLINK_INT, 0), @@ -219,7 +219,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_DEFINE_FIELD(ConfigSource, SD_VARLINK_STRING, 0), VARLINK_DEFINE_IN_ADDR_WITH_STRING_FIELD(ConfigProvider, "Address of the configuration provider", SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( NTP, SD_VARLINK_FIELD_COMMENT("Address family (AF_INET or AF_INET6) for address-based servers"), SD_VARLINK_DEFINE_FIELD(Family, SD_VARLINK_INT, SD_VARLINK_NULLABLE), @@ -230,7 +230,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_DEFINE_FIELD(ConfigSource, SD_VARLINK_STRING, 0), VARLINK_DEFINE_IN_ADDR_WITH_STRING_FIELD(ConfigProvider, "Address of the configuration provider", SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( SIP, SD_VARLINK_FIELD_COMMENT("Address family (AF_INET or AF_INET6) for address-based servers"), SD_VARLINK_DEFINE_FIELD(Family, SD_VARLINK_INT, SD_VARLINK_NULLABLE), @@ -241,7 +241,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_DEFINE_FIELD(ConfigSource, SD_VARLINK_STRING, 0), VARLINK_DEFINE_IN_ADDR_WITH_STRING_FIELD(ConfigProvider, "Address of the configuration provider", SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( Domain, SD_VARLINK_FIELD_COMMENT("DNS search or route domain name"), SD_VARLINK_DEFINE_FIELD(Domain, SD_VARLINK_STRING, 0), @@ -249,14 +249,14 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_DEFINE_FIELD(ConfigSource, SD_VARLINK_STRING, 0), VARLINK_DEFINE_IN_ADDR_WITH_STRING_FIELD(ConfigProvider, "Address of the configuration provider", SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DNSSECNegativeTrustAnchor, SD_VARLINK_FIELD_COMMENT("Domain name for which DNSSEC validation is disabled"), SD_VARLINK_DEFINE_FIELD(DNSSECNegativeTrustAnchor, SD_VARLINK_STRING, 0), SD_VARLINK_FIELD_COMMENT("Configuration source for this negative trust anchor"), SD_VARLINK_DEFINE_FIELD(ConfigSource, SD_VARLINK_STRING, 0)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DNSSetting, SD_VARLINK_FIELD_COMMENT("Link-Local Multicast Name Resolution setting"), SD_VARLINK_DEFINE_FIELD(LLMNR, SD_VARLINK_STRING, SD_VARLINK_NULLABLE), @@ -269,7 +269,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Configuration source for this DNS setting"), SD_VARLINK_DEFINE_FIELD(ConfigSource, SD_VARLINK_STRING, 0)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( Pref64, SD_VARLINK_FIELD_COMMENT("IPv6 prefix for NAT64/DNS64"), SD_VARLINK_DEFINE_FIELD(Prefix, SD_VARLINK_INT, SD_VARLINK_ARRAY|SD_VARLINK_NULLABLE), @@ -281,12 +281,12 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_DEFINE_FIELD(LifetimeUSec, SD_VARLINK_INT, SD_VARLINK_NULLABLE), VARLINK_DEFINE_IN_ADDR_WITH_STRING_FIELD(ConfigProvider, "Address of router that provided this prefix", SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( NDisc, SD_VARLINK_FIELD_COMMENT("PREF64 (RFC8781) prefixes advertised via IPv6 Router Advertisements"), SD_VARLINK_DEFINE_FIELD_BY_TYPE(PREF64, Pref64, SD_VARLINK_ARRAY|SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( Address, SD_VARLINK_FIELD_COMMENT("Address family (AF_INET or AF_INET6)"), SD_VARLINK_DEFINE_FIELD(Family, SD_VARLINK_INT, 0), @@ -319,7 +319,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Configuration state of this address"), SD_VARLINK_DEFINE_FIELD(ConfigState, SD_VARLINK_STRING, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( Neighbor, SD_VARLINK_FIELD_COMMENT("Address family (AF_INET or AF_INET6)"), SD_VARLINK_DEFINE_FIELD(Family, SD_VARLINK_INT, 0), @@ -331,7 +331,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Configuration state of this neighbor entry"), SD_VARLINK_DEFINE_FIELD(ConfigState, SD_VARLINK_STRING, 0)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DHCPLease, SD_VARLINK_FIELD_COMMENT("Timestamp when the lease was acquired in microseconds"), SD_VARLINK_DEFINE_FIELD(LeaseTimestampUSec, SD_VARLINK_INT, SD_VARLINK_NULLABLE), @@ -342,14 +342,14 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Hostname received from DHCP server"), SD_VARLINK_DEFINE_FIELD(Hostname, SD_VARLINK_STRING, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( PrivateOption, SD_VARLINK_FIELD_COMMENT("DHCP option number"), SD_VARLINK_DEFINE_FIELD(Option, SD_VARLINK_INT, SD_VARLINK_NULLABLE), SD_VARLINK_FIELD_COMMENT("Raw data of the private DHCP option"), SD_VARLINK_DEFINE_FIELD(PrivateOptionData, SD_VARLINK_STRING, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DHCPv6ClientPD, SD_VARLINK_FIELD_COMMENT("Delegated IPv6 prefix"), SD_VARLINK_DEFINE_FIELD(Prefix, SD_VARLINK_INT, SD_VARLINK_ARRAY|SD_VARLINK_NULLABLE), @@ -362,7 +362,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Valid lifetime of the prefix in microseconds"), SD_VARLINK_DEFINE_FIELD(ValidLifetimeUSec, SD_VARLINK_INT, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DHCPv6ClientVendorOption, SD_VARLINK_FIELD_COMMENT("IANA enterprise number identifying the vendor"), SD_VARLINK_DEFINE_FIELD(EnterpriseId, SD_VARLINK_INT, 0), @@ -371,7 +371,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Raw data of the vendor-specific sub-option"), SD_VARLINK_DEFINE_FIELD(SubOptionData, SD_VARLINK_STRING, 0)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DHCPv6Client, SD_VARLINK_FIELD_COMMENT("DHCPv6 lease information including timestamps and timeouts"), SD_VARLINK_DEFINE_FIELD_BY_TYPE(Lease, DHCPLease, SD_VARLINK_NULLABLE), @@ -382,7 +382,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("DHCP Unique Identifier (DUID) of the client"), SD_VARLINK_DEFINE_FIELD(DUID, SD_VARLINK_INT, SD_VARLINK_ARRAY)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DHCPServerLease, SD_VARLINK_FIELD_COMMENT("DHCP client identifier"), SD_VARLINK_DEFINE_FIELD(ClientId, SD_VARLINK_INT, SD_VARLINK_ARRAY|SD_VARLINK_NULLABLE), @@ -400,7 +400,7 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Lease expiration time in realtime microseconds"), SD_VARLINK_DEFINE_FIELD(ExpirationRealtimeUSec, SD_VARLINK_INT, SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( DHCPServer, SD_VARLINK_FIELD_COMMENT("Offset from the network address for the DHCP address pool"), SD_VARLINK_DEFINE_FIELD(PoolOffset, SD_VARLINK_INT, 0), @@ -411,14 +411,14 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE( SD_VARLINK_FIELD_COMMENT("Static DHCP leases configured for specific clients"), SD_VARLINK_DEFINE_FIELD_BY_TYPE(StaticLeases, DHCPServerLease, SD_VARLINK_ARRAY|SD_VARLINK_NULLABLE)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( BitRates, SD_VARLINK_FIELD_COMMENT("Transmit bitrate in bits per second"), SD_VARLINK_DEFINE_FIELD(TxBitRate, SD_VARLINK_INT, 0), SD_VARLINK_FIELD_COMMENT("Receive bitrate in bits per second"), SD_VARLINK_DEFINE_FIELD(RxBitRate, SD_VARLINK_INT, 0)); -static SD_VARLINK_DEFINE_STRUCT_TYPE( +SD_VARLINK_DEFINE_STRUCT_TYPE( Interface, SD_VARLINK_FIELD_COMMENT("Network interface index"), SD_VARLINK_DEFINE_FIELD(Index, SD_VARLINK_INT, 0), diff --git a/src/shared/varlink-io.systemd.Network.h b/src/shared/varlink-io.systemd.Network.h index 6d727cd9ee..25d3bc9600 100644 --- a/src/shared/varlink-io.systemd.Network.h +++ b/src/shared/varlink-io.systemd.Network.h @@ -7,3 +7,27 @@ extern const sd_varlink_interface vl_interface_io_systemd_Network; extern const sd_varlink_symbol vl_type_LinkAddressState; extern const sd_varlink_symbol vl_type_LinkOnlineState; extern const sd_varlink_symbol vl_type_LinkRequiredAddressFamily; +extern const sd_varlink_symbol vl_type_LinkState; +extern const sd_varlink_symbol vl_type_Route; +extern const sd_varlink_symbol vl_type_NextHopGroup; +extern const sd_varlink_symbol vl_type_NextHop; +extern const sd_varlink_symbol vl_type_LLDPNeighbor; +extern const sd_varlink_symbol vl_type_DNS; +extern const sd_varlink_symbol vl_type_NTP; +extern const sd_varlink_symbol vl_type_SIP; +extern const sd_varlink_symbol vl_type_Domain; +extern const sd_varlink_symbol vl_type_DNSSECNegativeTrustAnchor; +extern const sd_varlink_symbol vl_type_DNSSetting; +extern const sd_varlink_symbol vl_type_Pref64; +extern const sd_varlink_symbol vl_type_NDisc; +extern const sd_varlink_symbol vl_type_Address; +extern const sd_varlink_symbol vl_type_Neighbor; +extern const sd_varlink_symbol vl_type_DHCPLease; +extern const sd_varlink_symbol vl_type_PrivateOption; +extern const sd_varlink_symbol vl_type_DHCPv6ClientPD; +extern const sd_varlink_symbol vl_type_DHCPv6ClientVendorOption; +extern const sd_varlink_symbol vl_type_DHCPv6Client; +extern const sd_varlink_symbol vl_type_DHCPServerLease; +extern const sd_varlink_symbol vl_type_DHCPServer; +extern const sd_varlink_symbol vl_type_BitRates; +extern const sd_varlink_symbol vl_type_Interface;