[systemd-devel] [PATCH 1/3] networkd: tunnel improve logging

Susant Sahani susant at redhat.com
Wed Apr 22 01:44:54 PDT 2015


Replaces a lof ot strerror() usage with log_netdev_error_errno()
---
 src/network/networkd-netdev-tunnel.c | 240 ++++++++++-------------------------
 1 file changed, 64 insertions(+), 176 deletions(-)

diff --git a/src/network/networkd-netdev-tunnel.c b/src/network/networkd-netdev-tunnel.c
index 89ad3ee..7aa9317 100644
--- a/src/network/networkd-netdev-tunnel.c
+++ b/src/network/networkd-netdev-tunnel.c
@@ -54,44 +54,24 @@ static int netdev_ipip_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_m
         assert(t->family == AF_INET);
 
         r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_TTL  attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL  attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_PMTUDISC attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m");
 
         return r;
 }
@@ -107,44 +87,24 @@ static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me
         assert(t->family == AF_INET);
 
         r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_TTL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_PMTUDISC attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m");
 
         return r;
 }
@@ -156,9 +116,9 @@ static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me
         assert(netdev);
 
         if (netdev->kind == NETDEV_KIND_GRE)
-                 t = GRE(netdev);
+                t = GRE(netdev);
         else
-                 t = GRETAP(netdev);
+                t = GRETAP(netdev);
 
         assert(t);
         assert(t->family == AF_INET);
@@ -166,52 +126,28 @@ static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me
         assert(m);
 
         r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_TTL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, t->tos);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_TOS attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TOS attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_PMTUDISC attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_PMTUDISC attribute: %m");
 
         return r;
 }
@@ -223,9 +159,9 @@ static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl
         assert(netdev);
 
         if (netdev->kind == NETDEV_KIND_IP6GRE)
-                 t = IP6GRE(netdev);
+                t = IP6GRE(netdev);
         else
-                 t = IP6GRETAP(netdev);
+                t = IP6GRETAP(netdev);
 
         assert(t);
         assert(t->family == AF_INET6);
@@ -233,36 +169,20 @@ static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl
         assert(m);
 
         r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m");
 
         r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m");
 
         r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_GRE_TTL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m");
 
         return r;
 }
@@ -278,28 +198,16 @@ static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me
         assert(t->family == AF_INET);
 
         r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m");
 
         r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m");
 
         return r;
 }
@@ -316,36 +224,20 @@ static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl
         assert(t->family == AF_INET6);
 
         r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m");
 
         r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m");
 
         r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m");
 
         r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_TTL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m");
 
         switch (t->ip6tnl_mode) {
         case NETDEV_IP6_TNL_MODE_IP6IP6:
@@ -361,12 +253,8 @@ static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl
         }
 
         r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PROTO, proto);
-        if (r < 0) {
-                log_netdev_error(netdev,
-                                 "Could not append IFLA_IPTUN_MODE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_MODE attribute: %m");
 
         return r;
 }
@@ -409,13 +297,13 @@ static int netdev_tunnel_verify(NetDev *netdev, const char *filename) {
         assert(t);
 
         if (t->remote.in.s_addr == INADDR_ANY) {
-               log_warning("Tunnel without remote address configured in %s. Ignoring", filename);
-               return -EINVAL;
+                log_warning("Tunnel without remote address configured in %s. Ignoring", filename);
+                return -EINVAL;
         }
 
         if (t->family != AF_INET && t->family != AF_INET6) {
-              log_warning("Tunnel with invalid address family configured in %s. Ignoring", filename);
-              return -EINVAL;
+                log_warning("Tunnel with invalid address family configured in %s. Ignoring", filename);
+                return -EINVAL;
         }
 
         if (netdev->kind == NETDEV_KIND_IP6TNL) {
-- 
2.3.5



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