network: json: append address information

src/network/networkd-json.c

@@ -1,12 +1,89 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include "netif-util.h"
+#include "networkd-address.h"
 #include "networkd-json.h"
 #include "networkd-link.h"
 #include "networkd-manager.h"
 #include "networkd-network.h"
+#include "networkd-route-util.h"
 #include "sort-util.h"
 
+static int address_build_json(Address *address, JsonVariant **ret) {
+        _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+        _cleanup_free_ char *scope = NULL, *flags = NULL, *state = NULL;
+        int r;
+
+        assert(address);
+        assert(ret);
+
+        r = route_scope_to_string_alloc(address->scope, &scope);
+        if (r < 0)
+                return r;
+
+        r = address_flags_to_string_alloc(address->flags, address->family, &flags);
+        if (r < 0)
+                return r;
+
+        r = network_config_state_to_string_alloc(address->state, &state);
+        if (r < 0)
+                return r;
+
+        r = json_build(&v, JSON_BUILD_OBJECT(
+                                JSON_BUILD_PAIR_INTEGER("Family", address->family),
+                                JSON_BUILD_PAIR_IN_ADDR("Address", &address->in_addr, address->family),
+                                JSON_BUILD_PAIR_IN_ADDR_NON_NULL("Peer", &address->in_addr_peer, address->family),
+                                JSON_BUILD_PAIR_IN4_ADDR_NON_NULL("Broadcast", &address->broadcast),
+                                JSON_BUILD_PAIR_UNSIGNED("PrefixLength", address->prefixlen),
+                                JSON_BUILD_PAIR_UNSIGNED("Scope", address->scope),
+                                JSON_BUILD_PAIR_STRING("ScopeString", scope),
+                                JSON_BUILD_PAIR_UNSIGNED("Flags", address->flags),
+                                JSON_BUILD_PAIR_STRING("FlagsString", flags),
+                                JSON_BUILD_PAIR_STRING_NON_EMPTY("Label", address->label),
+                                JSON_BUILD_PAIR_FINITE_USEC("PreferredLifetimeUsec", address->lifetime_preferred_usec),
+                                JSON_BUILD_PAIR_FINITE_USEC("ValidLifetimeUsec", address->lifetime_valid_usec),
+                                JSON_BUILD_PAIR_STRING("ConfigSource", network_config_source_to_string(address->source)),
+                                JSON_BUILD_PAIR_STRING("ConfigState", state),
+                                JSON_BUILD_PAIR_IN_ADDR_NON_NULL("ConfigProvider", &address->provider, address->family)));
+        if (r < 0)
+                return r;
+
+        *ret = TAKE_PTR(v);
+        return 0;
+}
+
+static int addresses_build_json(Set *addresses, JsonVariant **ret) {
+        JsonVariant **elements;
+        Address *address;
+        size_t n = 0;
+        int r;
+
+        assert(ret);
+
+        if (set_isempty(addresses)) {
+                *ret = NULL;
+                return 0;
+        }
+
+        elements = new(JsonVariant*, set_size(addresses));
+        if (!elements)
+                return -ENOMEM;
+
+        SET_FOREACH(address, addresses) {
+                r = address_build_json(address, elements + n);
+                if (r < 0)
+                        goto finalize;
+                n++;
+        }
+
+        r = json_build(ret, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("Addresses", JSON_BUILD_VARIANT_ARRAY(elements, n))));
+
+finalize:
+        json_variant_unref_many(elements, n);
+        free(elements);
+        return r;
+}
+
 static int network_build_json(Network *network, JsonVariant **ret) {
         assert(ret);
 
@@ -91,6 +168,16 @@ int link_build_json(Link *link, JsonVariant **ret) {
         if (r < 0)
                 return r;
 
+        w = json_variant_unref(w);
+
+        r = addresses_build_json(link->addresses, &w);
+        if (r < 0)
+                return r;
+
+        r = json_variant_merge(&v, w);
+        if (r < 0)
+                return r;
+
         *ret = TAKE_PTR(v);
         return 0;
 }