treewide: yet more log_*_errno + return simplifications

[elogind.git] / src / timesync / timesyncd-manager.c

diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c
index a5678ccaed5ede60adadeeb5cb3132d916c1a809..670b1228369d2e8fb181ba8974e9bfbedc299400 100644 (file)
--- a/src/timesync/timesyncd-manager.c
+++ b/src/timesync/timesyncd-manager.c
@@ -54,8 +54,7 @@
 #include "mkdir.h"
 #include "timesyncd-conf.h"
 #include "timesyncd-manager.h"
-
-#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
+#include "time-util.h"
 
 #ifndef ADJ_SETOFFSET
 #define ADJ_SETOFFSET                   0x0100  /* add 'time' to current time */
@@ -133,6 +132,7 @@ struct ntp_msg {
 
 static int manager_arm_timer(Manager *m, usec_t next);
 static int manager_clock_watch_setup(Manager *m);
+static int manager_listen_setup(Manager *m);
 
 static double ntp_ts_short_to_d(const struct ntp_ts_short *ts) {
         return be16toh(ts->sec) + (be16toh(ts->frac) / 65536.0);
@@ -185,6 +185,12 @@ static int manager_send_request(Manager *m) {
 
         m->event_timeout = sd_event_source_unref(m->event_timeout);
 
+        if (m->server_socket < 0) {
+                r = manager_listen_setup(m);
+                if (r < 0)
+                        return log_warning_errno(r, "Failed to setup connection socket: %m");
+        }
+
         /*
          * Set transmit timestamp, remember it; the server will send that back
          * as the origin timestamp and we have an indication that this is the
@@ -217,10 +223,8 @@ static int manager_send_request(Manager *m) {
                 m->retry_interval = NTP_POLL_INTERVAL_MIN_SEC * USEC_PER_SEC;
 
         r = manager_arm_timer(m, m->retry_interval);
-        if (r < 0) {
-                log_error("Failed to rearm timer: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Failed to rearm timer: %m");
 
         m->missed_replies++;
         if (m->missed_replies > NTP_MAX_MISSED_REPLIES) {
@@ -230,10 +234,8 @@ static int manager_send_request(Manager *m) {
                                 clock_boottime_or_monotonic(),
                                 now(clock_boottime_or_monotonic()) + TIMEOUT_USEC, 0,
                                 manager_timeout, m);
-                if (r < 0) {
-                        log_error("Failed to arm timeout timer: %s", strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Failed to arm timeout timer: %m");
         }
 
         return 0;
@@ -251,7 +253,6 @@ static int manager_arm_timer(Manager *m, usec_t next) {
         int r;
 
         assert(m);
-        assert(m->event_receive);
 
         if (next == 0) {
                 m->event_timer = sd_event_source_unref(m->event_timer);
@@ -321,10 +322,8 @@ static int manager_clock_watch_setup(Manager *m) {
         }
 
         r = sd_event_add_io(m->event, &m->event_clock_watch, m->clock_watch_fd, EPOLLIN, manager_clock_watch, m);
-        if (r < 0) {
-                log_error("Failed to create clock watch event source: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Failed to create clock watch event source: %m");
 
         return 0;
 }
@@ -346,7 +345,7 @@ static int manager_adjust_clock(Manager *m, double offset, int leap_sec) {
                 tmx.constant = log2i(m->poll_interval_usec / USEC_PER_SEC) - 4;
                 tmx.maxerror = 0;
                 tmx.esterror = 0;
-                log_debug("  adjust (slew): %+.3f sec\n", offset);
+                log_debug("  adjust (slew): %+.3f sec", offset);
         } else {
                 tmx.modes = ADJ_STATUS | ADJ_NANO | ADJ_SETOFFSET;
 
@@ -361,7 +360,7 @@ static int manager_adjust_clock(Manager *m, double offset, int leap_sec) {
                 }
 
                 m->jumped = true;
-                log_debug("  adjust (jump): %+.3f sec\n", offset);
+                log_debug("  adjust (jump): %+.3f sec", offset);
         }
 
         /*
@@ -611,6 +610,10 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re
         m->pending = false;
         m->retry_interval = 0;
 
+        /* Stop listening */
+        m->event_receive = sd_event_source_unref(m->event_receive);
+        m->server_socket = safe_close(m->server_socket);
+
         /* announce leap seconds */
         if (NTP_FIELD_LEAP(ntpmsg.field) & NTP_LEAP_PLUSSEC)
                 leap_sec = 1;
@@ -687,10 +690,8 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re
                  spike ? " (ignored)" : "");
 
         r = manager_arm_timer(m, m->poll_interval_usec);
-        if (r < 0) {
-                log_error("Failed to rearm timer: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Failed to rearm timer: %m");
 
         return 0;
 }
@@ -721,7 +722,7 @@ static int manager_listen_setup(Manager *m) {
         if (r < 0)
                 return -errno;
 
-        setsockopt(m->server_socket, IPPROTO_IP, IP_TOS, &tos, sizeof(tos));
+        (void) setsockopt(m->server_socket, IPPROTO_IP, IP_TOS, &tos, sizeof(tos));
 
         return sd_event_add_io(m->event, &m->event_receive, m->server_socket, EPOLLIN, manager_receive_response, m);
 }
@@ -742,12 +743,6 @@ static int manager_begin(Manager *m) {
         log_info("Using NTP server %s (%s).", strna(pretty), m->current_server_name->string);
         sd_notifyf(false, "STATUS=Using Time Server %s (%s).", strna(pretty), m->current_server_name->string);
 
-        r = manager_listen_setup(m);
-        if (r < 0) {
-                log_warning("Failed to setup connection socket: %s", strerror(-r));
-                return r;
-        }
-
         r = manager_clock_watch_setup(m);
         if (r < 0)
                 return r;
@@ -821,10 +816,8 @@ static int manager_resolve_handler(sd_resolve_query *q, int ret, const struct ad
                 }
 
                 r = server_address_new(m->current_server_name, &a, (const union sockaddr_union*) ai->ai_addr, ai->ai_addrlen);
-                if (r < 0) {
-                        log_error("Failed to add server address: %s", strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Failed to add server address: %m");
 
                 server_address_pretty(a, &pretty);
                 log_debug("Resolved address %s for %s.", pretty, m->current_server_name->string);
@@ -862,10 +855,8 @@ int manager_connect(Manager *m) {
                 log_debug("Slowing down attempts to contact servers.");
 
                 r = sd_event_add_time(m->event, &m->event_retry, clock_boottime_or_monotonic(), now(clock_boottime_or_monotonic()) + RETRY_USEC, 0, manager_retry_connect, m);
-                if (r < 0) {
-                        log_error("Failed to create retry timer: %s", strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Failed to create retry timer: %m");
 
                 return 0;
         }
@@ -918,10 +909,8 @@ int manager_connect(Manager *m) {
                         if (restart && !m->exhausted_servers && m->poll_interval_usec) {
                                 log_debug("Waiting after exhausting servers.");
                                 r = sd_event_add_time(m->event, &m->event_retry, clock_boottime_or_monotonic(), now(clock_boottime_or_monotonic()) + m->poll_interval_usec, 0, manager_retry_connect, m);
-                                if (r < 0) {
-                                        log_error("Failed to create retry timer: %s", strerror(-r));
-                                        return r;
-                                }
+                                if (r < 0)
+                                        return log_error_errno(r, "Failed to create retry timer: %m");
 
                                 m->exhausted_servers = true;
 
@@ -947,10 +936,8 @@ int manager_connect(Manager *m) {
                 log_debug("Resolving %s...", m->current_server_name->string);
 
                 r = sd_resolve_getaddrinfo(m->resolve, &m->resolve_query, m->current_server_name->string, "123", &hints, manager_resolve_handler, m);
-                if (r < 0) {
-                        log_error("Failed to create resolver: %s", strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Failed to create resolver: %m");
 
                 return 1;
         }