sd-event: name event sources used in libraries

This should help in debugging failing event sources.

7 files changed, 121 insertions, 0 deletions

diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 8a9887d19..7cf1b80d2 100644
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -700,6 +700,11 @@ static int client_timeout_resend(sd_event_source *s, uint64_t usec,
         if (r < 0)
                 goto error;
 
+        r = sd_event_source_set_name(client->timeout_resend,
+                                     "dhcp4-resend-timer");
+        if (r < 0)
+                goto error;
+
         switch (client->state) {
         case DHCP_STATE_INIT:
                 r = client_send_discover(client);
@@ -773,6 +778,11 @@ static int client_initialize_io_events(sd_dhcp_client *client,
         if (r < 0)
                 goto error;
 
+        r = sd_event_source_set_name(client->receive_message,
+                                     "dhcp4-receive-message");
+        if (r < 0)
+                goto error;
+
 error:
         if (r < 0)
                 client_stop(client, r);
@@ -799,6 +809,11 @@ static int client_initialize_time_events(sd_dhcp_client *client) {
         r = sd_event_source_set_priority(client->timeout_resend,
                                          client->event_priority);
 
+        r = sd_event_source_set_name(client->timeout_resend,
+                                     "dhcp4-resend-timer");
+        if (r < 0)
+                goto error;
+
 error:
         if (r < 0)
                 client_stop(client, r);
@@ -1107,6 +1122,11 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
         if (r < 0)
                 return r;
 
+        r = sd_event_source_set_name(client->timeout_expire,
+                                     "dhcp4-lifetime");
+        if (r < 0)
+                return r;
+
         log_dhcp_client(client, "lease expires in %s",
                         format_timespan(time_string, FORMAT_TIMESPAN_MAX,
                         lifetime_timeout - time_now, 0));
@@ -1130,6 +1150,11 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
         if (r < 0)
                 return r;
 
+        r = sd_event_source_set_name(client->timeout_t2,
+                                     "dhcp4-t2-timeout");
+        if (r < 0)
+                return r;
+
         log_dhcp_client(client, "T2 expires in %s",
                         format_timespan(time_string, FORMAT_TIMESPAN_MAX,
                         t2_timeout - time_now, 0));
@@ -1152,6 +1177,11 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
         if (r < 0)
                 return r;
 
+        r = sd_event_source_set_name(client->timeout_t1,
+                                     "dhcp4-t1-timer");
+        if (r < 0)
+                return r;
+
         log_dhcp_client(client, "T1 expires in %s",
                         format_timespan(time_string, FORMAT_TIMESPAN_MAX,
                         t1_timeout - time_now, 0));
@@ -1192,6 +1222,11 @@ static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message,
                                                          client->event_priority);
                         if (r < 0)
                                 goto error;
+
+                        r = sd_event_source_set_name(client->timeout_resend,
+                                                     "dhcp4-resend-timer");
+                        if (r < 0)
+                                goto error;
                 } else if (r == -ENOMSG)
                         /* invalid message, let's ignore it */
                         return 0;
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index f69c0ed8a..342a23141 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -496,6 +496,11 @@ static int client_timeout_resend(sd_event_source *s, uint64_t usec,
         if (r < 0)
                 goto error;
 
+        r = sd_event_source_set_name(client->timeout_resend,
+                                     "dhcp6-resend-timer");
+        if (r < 0)
+                goto error;
+
         if (max_retransmit_duration && !client->timeout_resend_expire) {
 
                 log_dhcp6_client(client, "Max retransmission duration %"PRIu64" secs",
@@ -514,6 +519,11 @@ static int client_timeout_resend(sd_event_source *s, uint64_t usec,
                                                  client->event_priority);
                 if (r < 0)
                         goto error;
+
+                r = sd_event_source_set_name(client->timeout_resend_expire,
+                                             "dhcp6-resend-expire-timer");
+                if (r < 0)
+                        goto error;
         }
 
 error:
@@ -894,6 +904,11 @@ static int client_start(sd_dhcp6_client *client, enum DHCP6State state)
                 if (r < 0)
                         return r;
 
+                r = sd_event_source_set_name(client->receive_message,
+                                             "dhcp6-receive-message");
+                if (r < 0)
+                        return r;
+
                 client->state = DHCP6_STATE_SOLICITATION;
 
                 break;
@@ -942,6 +957,11 @@ static int client_start(sd_dhcp6_client *client, enum DHCP6State state)
                 if (r < 0)
                         return r;
 
+                r = sd_event_source_set_name(client->lease->ia.timeout_t1,
+                                             "dhcp6-t1-timeout");
+                if (r < 0)
+                        return r;
+
                 timeout = client_timeout_compute_random(be32toh(client->lease->ia.lifetime_t2) * USEC_PER_SEC);
 
                 log_dhcp6_client(client, "T2 expires in %s",
@@ -962,6 +982,11 @@ static int client_start(sd_dhcp6_client *client, enum DHCP6State state)
                 if (r < 0)
                         return r;
 
+                r = sd_event_source_set_name(client->lease->ia.timeout_t2,
+                                             "dhcp6-t2-timeout");
+                if (r < 0)
+                        return r;
+
                 client->state = state;
 
                 return 0;
@@ -980,6 +1005,11 @@ static int client_start(sd_dhcp6_client *client, enum DHCP6State state)
         if (r < 0)
                 return r;
 
+        r = sd_event_source_set_name(client->timeout_resend,
+                                     "dhcp6-resend-timeout");
+        if (r < 0)
+                return r;
+
         return 0;
 }
 
diff --git a/src/libsystemd-network/sd-icmp6-nd.c b/src/libsystemd-network/sd-icmp6-nd.c
index b264e793e..243f06a85 100644
--- a/src/libsystemd-network/sd-icmp6-nd.c
+++ b/src/libsystemd-network/sd-icmp6-nd.c
@@ -277,6 +277,12 @@ static int icmp6_router_solicitation_timeout(sd_event_source *s, uint64_t usec,
                         icmp6_nd_notify(nd, r);
                         return 0;
                 }
+
+                r = sd_event_source_set_name(nd->timeout, "icmp6-timeout");
+                if (r < 0) {
+                        icmp6_nd_notify(nd, r);
+                        return 0;
+                }
         }
 
         return 0;
@@ -322,13 +328,20 @@ int sd_icmp6_router_solicitation_start(sd_icmp6_nd *nd) {
         if (r < 0)
                 goto error;
 
+        r = sd_event_source_set_name(nd->recv, "icmp6-receive-message");
+        if (r < 0)
+                goto error;
+
         r = sd_event_add_time(nd->event, &nd->timeout, clock_boottime_or_monotonic(),
                               0, 0, icmp6_router_solicitation_timeout, nd);
         if (r < 0)
                 goto error;
 
         r = sd_event_source_set_priority(nd->timeout, nd->event_priority);
+        if (r < 0)
+                goto error;
 
+        r = sd_event_source_set_name(nd->timeout, "icmp6-timeout");
 error:
         if (r < 0)
                 icmp6_nd_init(nd);
diff --git a/src/libsystemd-network/sd-ipv4ll.c b/src/libsystemd-network/sd-ipv4ll.c
index b17987904..3d15fc85e 100644
--- a/src/libsystemd-network/sd-ipv4ll.c
+++ b/src/libsystemd-network/sd-ipv4ll.c
@@ -352,6 +352,10 @@ static void ipv4ll_run_state_machine(sd_ipv4ll *ll, IPv4LLTrigger trigger, void
                 r = sd_event_source_set_priority(ll->timer, ll->event_priority);
                 if (r < 0)
                         goto out;
+
+                r = sd_event_source_set_name(ll->timer, "ipv4ll-timer");
+                if (r < 0)
+                        goto out;
         }
 
 out:
@@ -560,6 +564,10 @@ int sd_ipv4ll_start (sd_ipv4ll *ll) {
         if (r < 0)
                 goto out;
 
+        r = sd_event_source_set_name(ll->timer, "ipv4ll-receive-message");
+        if (r < 0)
+                goto out;
+
         r = sd_event_add_time(ll->event,
                               &ll->timer,
                               clock_boottime_or_monotonic(),
@@ -570,7 +578,10 @@ int sd_ipv4ll_start (sd_ipv4ll *ll) {
                 goto out;
 
         r = sd_event_source_set_priority(ll->timer, ll->event_priority);
+        if (r < 0)
+                goto out;
 
+        r = sd_event_source_set_name(ll->timer, "ipv4ll-timer");
 out:
         if (r < 0)
                 ipv4ll_stop(ll, IPV4LL_EVENT_STOP);
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index 8caa40422..78e91b965 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -3013,6 +3013,10 @@ static int attach_io_events(sd_bus *bus) {
                         return r;
 
                 r = sd_event_source_set_priority(bus->input_io_event_source, bus->event_priority);
+                if (r < 0)
+                        return r;
+
+                r = sd_event_source_set_name(bus->input_io_event_source, "bus-input");
         } else
                 r = sd_event_source_set_io_fd(bus->input_io_event_source, bus->input_fd);
 
@@ -3028,6 +3032,10 @@ static int attach_io_events(sd_bus *bus) {
                                 return r;
 
                         r = sd_event_source_set_priority(bus->output_io_event_source, bus->event_priority);
+                        if (r < 0)
+                                return r;
+
+                        r = sd_event_source_set_name(bus->input_io_event_source, "bus-output");
                 } else
                         r = sd_event_source_set_io_fd(bus->output_io_event_source, bus->output_fd);
 
@@ -3080,10 +3088,18 @@ _public_ int sd_bus_attach_event(sd_bus *bus, sd_event *event, int priority) {
         if (r < 0)
                 goto fail;
 
+        r = sd_event_source_set_name(bus->time_event_source, "bus-time");
+        if (r < 0)
+                goto fail;
+
         r = sd_event_add_exit(bus->event, &bus->quit_event_source, quit_callback, bus);
         if (r < 0)
                 goto fail;
 
+        r = sd_event_source_set_name(bus->quit_event_source, "bus-exit");
+        if (r < 0)
+                goto fail;
+
         r = attach_io_events(bus);
         if (r < 0)
                 goto fail;
diff --git a/src/libsystemd/sd-rtnl/sd-rtnl.c b/src/libsystemd/sd-rtnl/sd-rtnl.c
index c19bad1bc..f883f2842 100644
--- a/src/libsystemd/sd-rtnl/sd-rtnl.c
+++ b/src/libsystemd/sd-rtnl/sd-rtnl.c
@@ -859,6 +859,10 @@ int sd_rtnl_attach_event(sd_rtnl *rtnl, sd_event *event, int priority) {
         if (r < 0)
                 goto fail;
 
+        r = sd_event_source_set_name(rtnl->io_event_source, "rtnl-receive-message");
+        if (r < 0)
+                goto fail;
+
         r = sd_event_source_set_prepare(rtnl->io_event_source, prepare_callback);
         if (r < 0)
                 goto fail;
@@ -871,10 +875,18 @@ int sd_rtnl_attach_event(sd_rtnl *rtnl, sd_event *event, int priority) {
         if (r < 0)
                 goto fail;
 
+        r = sd_event_source_set_name(rtnl->time_event_source, "rtnl-timer");
+        if (r < 0)
+                goto fail;
+
         r = sd_event_add_exit(rtnl->event, &rtnl->exit_event_source, exit_callback, rtnl);
         if (r < 0)
                 goto fail;
 
+        r = sd_event_source_set_name(rtnl->exit_event_source, "rtnl-exit");
+        if (r < 0)
+                goto fail;
+
         return 0;
 
 fail:
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index f2fe5d544..5a4f93a06 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -370,6 +370,10 @@ int manager_udev_listen(Manager *m) {
         if (r < 0)
                 return r;
 
+        r = sd_event_source_set_name(m->udev_event_source, "networkd-udev");
+        if (r < 0)
+                return r;
+
         return 0;
 }