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[libvirt] [PATCH] util: let virSetSockReuseAddr report unified error message



Signed-off-by: Martin Kletzander <mkletzan redhat com>
---
 src/rpc/virnetsocket.c      |  7 ++-----
 src/util/virportallocator.c |  5 +----
 src/util/virutil.c          | 13 ++++++++++---
 src/util/virutil.h          |  2 +-
 4 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/src/rpc/virnetsocket.c b/src/rpc/virnetsocket.c
index 586a0d7..2192dc8 100644
--- a/src/rpc/virnetsocket.c
+++ b/src/rpc/virnetsocket.c
@@ -278,10 +278,8 @@ int virNetSocketNewListenTCP(const char *nodename,
             goto error;
         }

-        if (virSetSockReuseAddr(fd) < 0) {
-            virReportSystemError(errno, "%s", _("Unable to enable port reuse"));
+        if (virSetSockReuseAddr(fd, true) < 0)
             goto error;
-        }

 #ifdef IPV6_V6ONLY
         if (runp->ai_family == PF_INET6) {
@@ -493,9 +491,8 @@ int virNetSocketNewConnectTCP(const char *nodename,
             goto error;
         }

-        if (virSetSockReuseAddr(fd) < 0) {
+        if (virSetSockReuseAddr(fd, false) < 0)
             VIR_WARN("Unable to enable port reuse");
-        }

         if (connect(fd, runp->ai_addr, runp->ai_addrlen) >= 0)
             break;
diff --git a/src/util/virportallocator.c b/src/util/virportallocator.c
index ff5691a..f1dade3 100644
--- a/src/util/virportallocator.c
+++ b/src/util/virportallocator.c
@@ -142,11 +142,8 @@ static int virPortAllocatorBindToPort(bool *used,
         goto cleanup;
     }

-    if (virSetSockReuseAddr(fd) < 0) {
-        virReportSystemError(errno, "%s",
-                             _("Unable to set socket reuse addr flag"));
+    if (virSetSockReuseAddr(fd, true) < 0)
         goto cleanup;
-    }

     if (ipv6 && setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&v6only,
                            sizeof(v6only)) < 0) {
diff --git a/src/util/virutil.c b/src/util/virutil.c
index 04113bb..8d2f62a 100644
--- a/src/util/virutil.c
+++ b/src/util/virutil.c
@@ -148,7 +148,7 @@ int virSetCloseExec(int fd)
 }

 #ifdef WIN32
-int virSetSockReuseAddr(int fd ATTRIBUTE_UNUSED)
+int virSetSockReuseAddr(int fd ATTRIBUTE_UNUSED, bool fatal ATTRIBUTE_UNUSED)
 {
     /*
      * SO_REUSEADDR on Windows is actually akin to SO_REUSEPORT
@@ -163,10 +163,17 @@ int virSetSockReuseAddr(int fd ATTRIBUTE_UNUSED)
     return 0;
 }
 #else
-int virSetSockReuseAddr(int fd)
+int virSetSockReuseAddr(int fd, bool fatal)
 {
     int opt = 1;
-    return setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
+    int ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
+
+    if (ret < 0 && fatal) {
+        virReportSystemError(errno, "%s",
+                             _("Unable to set socket reuse addr flag"));
+    }
+
+    return ret;
 }
 #endif

diff --git a/src/util/virutil.h b/src/util/virutil.h
index 89b7923..54f1148 100644
--- a/src/util/virutil.h
+++ b/src/util/virutil.h
@@ -43,7 +43,7 @@ int virSetBlocking(int fd, bool blocking) ATTRIBUTE_RETURN_CHECK;
 int virSetNonBlock(int fd) ATTRIBUTE_RETURN_CHECK;
 int virSetInherit(int fd, bool inherit) ATTRIBUTE_RETURN_CHECK;
 int virSetCloseExec(int fd) ATTRIBUTE_RETURN_CHECK;
-int virSetSockReuseAddr(int fd) ATTRIBUTE_RETURN_CHECK;
+int virSetSockReuseAddr(int fd, bool fatal) ATTRIBUTE_RETURN_CHECK;

 int virPipeReadUntilEOF(int outfd, int errfd,
                         char **outbuf, char **errbuf);
-- 
2.1.0


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