From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
ben@decadent.org.uk, thozza@redhat.com, dcbw@redhat.com
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Subject: [PATCH V4 06/10] Tools: hv: Gather DHCP information
Date: Tue, 4 Sep 2012 14:46:38 -0700 [thread overview]
Message-ID: <1346795202-25655-6-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1346795202-25655-1-git-send-email-kys@microsoft.com>
Collect information on dhcp setting for the specified interface.
We invoke an external (Distro specific) script to get this information.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
---
tools/hv/hv_kvp_daemon.c | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index cfa23a1..6fb2c1c 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -524,6 +524,9 @@ static void kvp_get_ipconfig_info(char *if_name,
struct hv_kvp_ipaddr_value *buffer)
{
char cmd[512];
+ char dhcp_info[128];
+ char *p;
+ FILE *file;
/*
* Get the address of default gateway (ipv4).
@@ -572,6 +575,34 @@ static void kvp_get_ipconfig_info(char *if_name,
*/
kvp_process_ipconfig_file(cmd, (char *)buffer->dns_addr,
(MAX_IP_ADDR_SIZE * 2), INET_ADDRSTRLEN, 0);
+
+ /*
+ * Gather the DHCP state.
+ * We will gather this state by invoking an external script.
+ * The parameter to the script is the interface name.
+ * Here is the expected output:
+ *
+ * Enabled: DHCP enabled.
+ */
+
+ sprintf(cmd, "%s %s", "hv_get_dhcp_info", if_name);
+
+ file = popen(cmd, "r");
+ if (file == NULL)
+ return;
+
+ p = fgets(dhcp_info, sizeof(dhcp_info), file);
+ if (p == NULL) {
+ pclose(file);
+ return;
+ }
+
+ if (!strncmp(p, "Enabled", 7))
+ buffer->dhcp_enabled = 1;
+ else
+ buffer->dhcp_enabled = 0;
+
+ pclose(file);
}
--
1.7.4.1
next prev parent reply other threads:[~2012-09-04 21:37 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-04 21:45 [PATCH V4 00/10] Tools: hv: kvp K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 01/10] Tools: hv: Get rid of some unused variables K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 02/10] Tools: hv: Correctly type string variables K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 03/10] Tools: hv: Add an example script to retrieve DNS entries K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 04/10] Tools: hv: Gather DNS information K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 05/10] Tools: hv: Add an example script to retrieve dhcp state K. Y. Srinivasan
2012-09-04 22:59 ` Greg KH
2012-09-04 23:39 ` KY Srinivasan
2012-09-05 0:04 ` Greg KH
2012-09-05 0:29 ` KY Srinivasan
2012-09-05 2:25 ` KY Srinivasan
2012-09-05 19:12 ` Greg KH
2012-09-04 21:46 ` K. Y. Srinivasan [this message]
2012-09-04 21:46 ` [PATCH V4 07/10] Tools: hv: Add an example script to configure an interface K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 08/10] Tools: hv: Implement the KVP verb - KVP_OP_SET_IP_INFO K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 09/10] Tools: hv: Rename the function kvp_get_ip_address() K. Y. Srinivasan
2012-09-04 21:46 ` [PATCH V4 10/10] Tools: hv: Implement the KVP verb - KVP_OP_GET_IP_INFO K. Y. Srinivasan
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