From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, virtualization@lists.osdl.org,
olaf@aepfle.de, apw@canonical.com, ben@decadent.org.uk
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Subject: [PATCH V2 12/18] Tools: hv: Gather DHCP information
Date: Mon, 13 Aug 2012 10:07:01 -0700 [thread overview]
Message-ID: <1344877627-21779-12-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1344877627-21779-1-git-send-email-kys@microsoft.com>
Collect information on dhcp setting for the specified interface.
We invoke an external script to get this information.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
---
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 2f8e0b9..8a18819 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -525,6 +525,9 @@ 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).
@@ -573,6 +576,34 @@ 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:[~2012-08-13 16:52 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-13 17:06 [PATCH V2 00/18] drivers: hv: kvp K. Y. Srinivasan
2012-08-13 17:06 ` [PATCH V2 01/18] Drivers: hv: vmbus: Use the standard format string to format GUIDs K. Y. Srinivasan
2012-08-13 17:06 ` [PATCH V2 02/18] Drivers: hv: Add KVP definitions for IP address injection K. Y. Srinivasan
2012-08-14 1:38 ` Greg KH
2012-08-14 1:56 ` Ben Hutchings
2012-08-14 2:56 ` KY Srinivasan
2012-08-15 12:39 ` KY Srinivasan
2012-08-13 17:06 ` [PATCH V2 03/18] Drivers: hv: kvp: Cleanup error handling in KVP K. Y. Srinivasan
2012-08-13 17:06 ` [PATCH V2 04/18] Drivers: hv: kvp: Support the new IP injection messages K. Y. Srinivasan
2012-08-16 20:50 ` Greg KH
2012-08-13 17:06 ` [PATCH V2 05/18] Tools: hv: Prepare to expand kvp_get_ip_address() functionality K. Y. Srinivasan
2012-08-13 17:06 ` [PATCH V2 06/18] Tools: hv: Further refactor kvp_get_ip_address() K. Y. Srinivasan
2012-08-14 1:46 ` Ben Hutchings
2012-08-14 3:01 ` KY Srinivasan
2012-08-13 17:06 ` [PATCH V2 07/18] Tools: hv: Gather address family information K. Y. Srinivasan
2012-08-13 17:06 ` [PATCH V2 08/18] Tools: hv: Gather subnet information K. Y. Srinivasan
2012-08-13 17:06 ` [PATCH V2 09/18] Tools: hv: Represent the ipv6 mask using CIDR notation K. Y. Srinivasan
2012-08-13 17:06 ` [PATCH V2 10/18] Tools: hv: Gather ipv[4,6] gateway information K. Y. Srinivasan
2012-08-13 17:07 ` [PATCH V2 11/18] Tools: hv: Gather DNS information K. Y. Srinivasan
2012-08-13 17:07 ` K. Y. Srinivasan [this message]
2012-08-13 17:07 ` [PATCH V2 13/18] Tools: hv: Implement the KVP verb - KVP_OP_SET_IP_INFO K. Y. Srinivasan
2012-08-13 17:07 ` [PATCH V2 14/18] Tools: hv: Rename the function kvp_get_ip_address() K. Y. Srinivasan
2012-08-13 17:07 ` [PATCH V2 15/18] Tools: hv: Implement the KVP verb - KVP_OP_GET_IP_INFO K. Y. Srinivasan
2012-08-13 17:07 ` [PATCH V2 16/18] Tools: hv: Get rid of some unused variables K. Y. Srinivasan
2012-08-13 17:07 ` [PATCH V2 17/18] Tools: hv: Correctly type string variables K. Y. Srinivasan
2012-08-13 17:07 ` [PATCH V2 18/18] Tools: hv: Properly manage open streams K. Y. Srinivasan
2012-08-14 1:57 ` Ben Hutchings
2012-08-14 3:17 ` KY Srinivasan
2012-08-16 20:55 ` [PATCH V2 00/18] drivers: hv: kvp Greg KH
2012-08-16 22:40 ` KY Srinivasan
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