- Simple Network Management Protocol (SNMP) Version 1 Agent
- Simple Network Management Protocol (SNMP) Version 2 community based Agent
- Module for Microchip TCP/IP Stack
- -Provides SNMP API for doing stuff
*
- -Reference: RFC 1157 (for SNMP V1)
- RFC 3416 (for SNMPv2C)
*******************************************************************
- FileName: SNMP.c
- Dependencies: UDP, ARP
- Processor: PIC18, PIC24F, PIC24H, dsPIC30F, dsPIC33F, PIC32
- Compiler: Microchip C32 v1.05 or higher
- Microchip C30 v3.12 or higher
- Microchip C18 v3.30 or higher
- HI-TECH PICC-18 PRO 9.63PL2 or higher
- Company: Microchip Technology, Inc.
*
- Software License Agreement
*
- Copyright (C) 2002-2009 Microchip Technology Inc. All rights
- reserved.
*
- Microchip licenses to you the right to use, modify, copy, and
- distribute:
- (i) the Software when embedded on a Microchip microcontroller or
- digital signal controller product ("Device") which is
- integrated into Licensee's product; or
- (ii) ONLY the Software driver source files ENC28J60.c, ENC28J60.h,
- ENCX24J600.c and ENCX24J600.h ported to a non-Microchip device
- used in conjunction with a Microchip ethernet controller for
- the sole purpose of interfacing with the ethernet controller.
*
- You should refer to the license agreement accompanying this
- Software for additional information regarding your rights and
- obligations.
*
- THE SOFTWARE AND DOCUMENTATION ARE PROVIDED "AS IS" WITHOUT
- WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
- LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- MICROCHIP BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR
- CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF
- PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES, ANY CLAIMS
- BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE
- THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION, OR OTHER
- SIMILAR COSTS, WHETHER ASSERTED ON THE BASIS OF CONTRACT, TORT
- (INCLUDING NEGLIGENCE), BREACH OF WARRANTY, OR OTHERWISE.
*
- Author Date Comment
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Nilesh Rajbharti 1/9/03 Original (Rev 1.0)
- Dan Cohen 12/11/03 Removed trap support by #define if not
- required to lower code space requirements
- Amit Shirbhate 09/24/08 SNMPv2c Support, comments and function
- headers added.
- Hrisikesh Sahu 04/15/10 SNMPv2 Trap Format Support.
Functions
|
|
Name |
Description |
 |
Finds number of varbinds in the varbind list received in a pdu. | |
|
|
Verifies the value type as ASN_NULL. | |
|
|
Verifies for the community string datatype and the max community name and length, this agent can process. | |
|
|
Populates OID type, length and oid string from the received pdu. | |
|
|
Verifies for the snmp request type. | |
|
|
Validates the received udp packet Get/Set request header. | |
|
|
Validates the received udp packet Snmp header. | |
|
|
This routine processes the snmp request and parallely creates the response pdu. | |
|
|
Get OID string from MPFS using the node address. | |
|
|
To find whether requested OID is only for private access. |
Variables
|
|
Name |
Description |
 |
global flag to modify OID by appending zero | |
|
|
ASN format datatype for snmp v1 and v2c | |
|
|
This variable is used for gext next request for zero instance | |
|
|
MPFS file handler | |
|
|
Snmp udp socket | |
|
|
notify info for trap | |
|
|
vars from req list processing err status | |
|
|
Snmp udp buffer rx offset | |
|
|
MIB file access status | |
|
|
This is variable snmpTrapTimer. |