01-08-2017
Quote:
Originally Posted by
Don Cragun
In addition to what stomp already said... Download the checksum in a separate file AFTER the download of the main file completes on the server that is downloading the files. Then just look for the 2nd file containing the checksum on the receiving client instead of monitoring the download of the 1st file.
Thanks stomp
Hello Mr. Don, the third party is sending us a zip file , presently they are not sending checksum but it is a good idea to ask them also to send checksum. But i don't understand by your statement
PHP Code:
Download the checksum in a separate file AFTER the download of the main file
. I guess i need to compare checksum of the file at our end with the checksum of what the other party would send ? . In that case also i need to watch continuously if the checksum have matched or not by using the same while loop. I also don't understand why not to monitoring the file.
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LEARN ABOUT OPENSOLARIS
net_ispartialchecksum
net_ispartialchecksum(9F) Kernel Functions for Drivers net_ispartialchecksum(9F)
NAME
net_ispartialchecksum - indicate if a packet is being scheduled for hardware checksum calculation
SYNOPSIS
#include <sys/neti.h>
int net_ispartialchecksum(const net_data_t net, mblk_t *mb);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
PARAMETERS
net value returned from a successful call to net_protocol_lookup(9F).
mb the mblk structure holding a packet that is the subject of this query.
DESCRIPTION
The net_ispartialchecksum() function looks at the fields within the mblk structure to determine if the packet contained inside contains
headers with only partial checksum values. Partial checksum values are stored inside headers when the calculation of the complete checksum
is being handled by the hardware.
RETURN VALUES
The net_ispartialchecksum() function returns:
-1 The network protocol does not support this function.
0 The packet does not contain partial checksums.
If a packet is marked for hardware checksum'ing, the following values are returned:
NET_HCK_L3_FULL Complete layer 3 checksum calculated
NET_HCK_L3_PART Partial layer 3 checksum calculated
NET_HCK_L4_FULL Complete layer 4 checksum calculated
NET_HCK_L4_PART Partial layer 4 checksum calculated
CONTEXT
The net_ispartialchecksum() function may be called from user, kernel, or interrupt context.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Interface Stability |Committed |
+-----------------------------+-----------------------------+
SEE ALSO
net_isvalidchecksum(9F), net_protocol_lookup(9F), attributes(5)
SunOS 5.11 1 May 2008 net_ispartialchecksum(9F)