[PATCH 2/3] Add a virNetSocketNewConnectSockFD method

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>

To allow creation of a virNetSocketPtr instance from a pre-opened
socketpair FD, add a virNetSocketNewConnectSockFD method.

Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
---
 src/libvirt_private.syms |  1 +
 src/rpc/virnetsocket.c   | 18 ++++++++++++++++++
 src/rpc/virnetsocket.h   |  2 ++
 3 files changed, 21 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 50e2f48..9e2beda 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1010,6 +1010,7 @@ virNetSocketLocalAddrString;
 virNetSocketNewConnectCommand;
 virNetSocketNewConnectExternal;
 virNetSocketNewConnectLibSSH2;
+virNetSocketNewConnectSockFD;
 virNetSocketNewConnectSSH;
 virNetSocketNewConnectTCP;
 virNetSocketNewConnectUNIX;
diff --git a/src/rpc/virnetsocket.c b/src/rpc/virnetsocket.c
index ae81512..b311aae 100644
--- a/src/rpc/virnetsocket.c
+++ b/src/rpc/virnetsocket.c
@@ -884,6 +884,24 @@ int virNetSocketNewConnectExternal(const char **cmdargv,
 }
 
 
+int virNetSocketNewConnectSockFD(int sockfd,
+                                 virNetSocketPtr *retsock)
+{
+    virSocketAddr localAddr;
+
+    localAddr.len = sizeof(localAddr.data);
+    if (getsockname(sockfd, &localAddr.data.sa, &localAddr.len) < 0) {
+        virReportSystemError(errno, "%s", _("Unable to get local socket name"));
+        return -1;
+    }
+
+    if (!(*retsock = virNetSocketNew(&localAddr, NULL, true, sockfd, -1, -1)))
+        return -1;
+
+    return 0;
+}
+
+
 virNetSocketPtr virNetSocketNewPostExecRestart(virJSONValuePtr object)
 {
     virSocketAddr localAddr;
diff --git a/src/rpc/virnetsocket.h b/src/rpc/virnetsocket.h
index ca9ae91..86bc2f6 100644
--- a/src/rpc/virnetsocket.h
+++ b/src/rpc/virnetsocket.h
@@ -97,6 +97,8 @@ int virNetSocketNewConnectLibSSH2(const char *host,
 int virNetSocketNewConnectExternal(const char **cmdargv,
                                    virNetSocketPtr *addr);
 
+int virNetSocketNewConnectSockFD(int sockfd,
+                                 virNetSocketPtr *retsock);
 
 virNetSocketPtr virNetSocketNewPostExecRestart(virJSONValuePtr object);
 
-- 
1.8.3.1

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