Now gather DNS information.
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
---
tools/hv/hv_kvp_daemon.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 50 insertions(+), 0 deletions(-)
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 8a153c5..101ab7f 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -490,6 +490,50 @@ done:
return;
}
+static void kvp_get_ipconfig_info(char *if_name,
+ struct hv_kvp_ipaddr_value *buffer)
+{
+ char cmd[512];
+ char *dns_config = "/var/opt/hyperv/.kvp_dns_cfg";
+ FILE *file;
+ char buf[256];
+ char *dns_buf;
+ char *p;
+ char *x;
+
+ memset(cmd, 0, 512);
+ strcat(cmd, "cat /etc/resolv.conf 2>/tmp/null | ");
+ strcat(cmd, " awk '/nameserver/ {print $2 }' > ");
+ strcat(cmd, "/var/opt/hyperv/.kvp_dns_cfg");
+
+ /*
+ * Execute the command to gather dns info.
+ */
+ system(cmd);
+ file = fopen(dns_config, "r");
+ if (file == NULL)
+ return;
+
+ dns_buf = (char *)(buffer->dns_addr);
+ /*
+ * The buffer is an array of __u16 elements.
+ */
+ memset(dns_buf, 0, (MAX_IP_ADDR_SIZE * 2));
+ while ((p = fgets(buf, sizeof(buf), file)) != NULL) {
+ if (((MAX_IP_ADDR_SIZE * 2) - strlen(dns_buf)) <
+ (INET6_ADDRSTRLEN + 1))
+ break;
+
+ x = strchr(p, '\n');
+ *x = '\0';
+ strcat(dns_buf, p);
+ strcat(dns_buf, ";");
+ }
+ fclose(file);
+
+}
+
+
static unsigned int hweight32(unsigned int *w)
{
unsigned int res = *w - ((*w >> 1) & 0x55555555);
@@ -649,6 +693,12 @@ kvp_get_ip_address(int family, char *if_name, int op,
strcat((char *)ip_buffer->sub_net, ";");
sn_offset += strlen(sn_str) + 1;
}
+
+ /*
+ * Collect other ip related configuration info.
+ */
+
+ kvp_get_ipconfig_info(if_name, ip_buffer);
}
gather_ipaddr:
--
1.7.4.1
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