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Subject[PATCH 11/15] Tools: hv: Gather DNS information
Date
Now gather DNS information. This information cannot be gathered in
a distro independent fashion. Invoke an external script (that can be
distro dependent) to gather the DNS information.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
---
tools/hv/hv_kvp_daemon.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index b7a2df0..a81ce67 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -553,6 +553,33 @@ static void kvp_get_ipconfig_info(char *if_name,
kvp_process_ipconfig_file(cmd, (char *)buffer->gate_way,
(MAX_GATEWAY_SIZE * 2), INET6_ADDRSTRLEN, 1);

+
+ /*
+ * Gather the DNS state.
+ * Since there is no standard way to get this information
+ * across various distributions of interest; we just invoke
+ * an external script that needs to be ported across distros
+ * of interest.
+ * Input to the script:
+ * 1) Interface name
+ *
+ * Following is the expected format of the information from the script:
+ *
+ * ipaddr1 (nameserver1)
+ * ipaddr2 (nameserver2)
+ * .
+ * .
+ */
+
+ memset(cmd, 0, 512);
+ strcat(cmd, "/sbin/hv_get_dns_info ");
+ strcat(cmd, if_name);
+
+ /*
+ * Execute the command to gather DNS info.
+ */
+ kvp_process_ipconfig_file(cmd, (char *)buffer->dns_addr,
+ (MAX_IP_ADDR_SIZE * 2), INET_ADDRSTRLEN, 0);
}


--
1.7.4.1


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