[PATCH 11/15] Tools: hv: Gather DNS information
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2012-07-14 20:20:38
Also in:
lkml
Subsystem:
hyper-v/azure core and drivers, the rest · Maintainers:
"K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, Linus Torvalds
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); }
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1.7.4.1