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resolve: Add systemd plugin skeleton

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Systemd plugin is using systemd-resolved Dbus service to
manage the address resolution entries.
This commit is contained in:
Tim Kourt 2019-07-02 16:14:52 -07:00 committed by Denis Kenzior
parent 01fe343825
commit c1a1828872
1 changed files with 88 additions and 0 deletions
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88
src/resolve.c
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@ -29,6 +29,7 @@
#include <ell/ell.h> #include <ell/ell.h>
#include "src/iwd.h" #include "src/iwd.h"
#include "src/dbus.h"
#include "src/resolve.h" #include "src/resolve.h"
struct resolve_method_ops { struct resolve_method_ops {
@ -46,6 +47,92 @@ struct resolve_method {
static struct resolve_method method; static struct resolve_method method;
#define SYSTEMD_RESOLVED_SERVICE "org.freedesktop.resolve1"
struct systemd_state {
uint32_t service_watch;
bool is_ready:1;
};
static void resolve_systemd_add_dns(uint32_t ifindex, char **dns_list,
void *data)
{
struct systemd_state *state = data;
l_debug("ifindex: %u", ifindex);
if (!state->is_ready) {
l_error("resolve-systemd: Failed to add DNS entries. "
"Is 'systemd-resolved' service running?");
return;
}
/* TODO */
}
static void resolve_systemd_remove(uint32_t ifindex, void *data)
{
struct systemd_state *state = data;
l_debug("ifindex: %u", ifindex);
if (!state->is_ready) {
l_error("resolve-systemd: Failed to remove DNS entries. "
"Is 'systemd-resolved' service running?");
return;
}
/* TODO */
}
static void systemd_appeared(struct l_dbus *dbus, void *user_data)
{
struct systemd_state *state = user_data;
state->is_ready = true;
}
static void systemd_disappeared(struct l_dbus *dbus, void *user_data)
{
struct systemd_state *state = user_data;
state->is_ready = false;
}
static void *resolve_systemd_init(void)
{
struct systemd_state *state;
state = l_new(struct systemd_state, 1);
state->service_watch =
l_dbus_add_service_watch(dbus_get_bus(),
SYSTEMD_RESOLVED_SERVICE,
systemd_appeared,
systemd_disappeared,
state, NULL);
return state;
}
static void resolve_systemd_exit(void *data)
{
struct systemd_state *state = data;
l_dbus_remove_watch(dbus_get_bus(), state->service_watch);
l_free(state);
}
static const struct resolve_method_ops resolve_method_systemd = {
.init = resolve_systemd_init,
.exit = resolve_systemd_exit,
.add_dns = resolve_systemd_add_dns,
.remove = resolve_systemd_remove,
};
void resolve_add_dns(uint32_t ifindex, uint8_t type, char **dns_list) void resolve_add_dns(uint32_t ifindex, uint8_t type, char **dns_list)
{ {
if (!dns_list || !*dns_list) if (!dns_list || !*dns_list)
@ -69,6 +156,7 @@ static const struct {
const char *name; const char *name;
const struct resolve_method_ops *method_ops; const struct resolve_method_ops *method_ops;
} resolve_method_ops_list[] = { } resolve_method_ops_list[] = {
{ "systemd", &resolve_method_systemd },
{ } { }
}; };