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Read an SNMP message
#include <sys/select.h>
#include <snmp/snmp_impl.h>
void snmp_read( struct fd_set * fdset );
- fdset
- A pointer to a fd_set structure that contains all the
file descriptors that you want to read from.
libsnmp
Use the -l snmp option to
qcc
to link against this library.
The snmp_read() function reads a packet from each socket and its set of file descriptors
and parses the packet. The resulting Protocol Data Unit (PDU) is passed
to the callback routine for the session (see
snmp_session);
if the callback returns successfully,
the PDU and its request are deleted.
For information on asynchronous SNMP transactions, see
snmp_select_info().
SNMP
Safety: | |
Cancellation point |
Yes |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |
select(),
snmp_close(),
snmp_open(),
snmp_pdu,
snmp_read(),
snmp_select_info(),
snmp_send(),
snmp_session,
snmp_timeout()
Based on RFC 1157, FAQ in
Internet newsgroup comp.protocols.snmp
Marshall T. Rose, The Simple Book: An Introduction to
Internet Management, Revised 2nd ed. (Prentice-Hall,
1996, ISBN 0-13-451659-1)
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