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Bonjour
by 
Dirk-Willem van Gulik (NXP/mbed)
SNMP input message processing (RFC1157). More...
Go to the source code of this file.
Functions | |
| static err_t | snmp_pdu_header_check (struct pbuf *p, u16_t ofs, u16_t pdu_len, u16_t *ofs_ret, struct snmp_msg_pstat *m_stat) |
| Checks and decodes incoming SNMP message header, logs header errors. | |
| void | snmp_init (void) |
| Starts SNMP Agent. | |
| static void | snmp_msg_get_event (u8_t request_id, struct snmp_msg_pstat *msg_ps) |
| Service an internal or external event for SNMP GET. | |
| static void | snmp_msg_getnext_event (u8_t request_id, struct snmp_msg_pstat *msg_ps) |
| Service an internal or external event for SNMP GETNEXT. | |
| static void | snmp_msg_set_event (u8_t request_id, struct snmp_msg_pstat *msg_ps) |
| Service an internal or external event for SNMP SET. | |
| void | snmp_msg_event (u8_t request_id) |
| Handle one internal or external event. | |
| struct snmp_varbind * | snmp_varbind_alloc (struct snmp_obj_id *oid, u8_t type, u8_t len) |
| Varbind-list functions. | |
Variables | |
| const s32_t | snmp_version = 0 |
| SNMP v1 == 0. | |
| const char | snmp_publiccommunity [7] = "public" |
| default SNMP community string | |
Detailed Description
SNMP input message processing (RFC1157).
Definition in file msg_in.cpp.
Function Documentation
| void snmp_init | ( | void | ) |
Starts SNMP Agent.
Agent setup, start listening to port 161.
Allocates UDP pcb and binds it to IP_ADDR_ANY port 161.
Definition at line 71 of file msg_in.cpp.
| void snmp_msg_event | ( | u8_t | request_id ) |
Handle one internal or external event.
Handle an internal (recv) or external (private response) event.
Called for one async event. (recv external/private answer)
- Parameters:
-
request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
Definition at line 784 of file msg_in.cpp.
| static void snmp_msg_get_event | ( | u8_t | request_id, |
| struct snmp_msg_pstat * | msg_ps | ||
| ) | [static] |
Service an internal or external event for SNMP GET.
- Parameters:
-
request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1) msg_ps points to the assosicated message process state
test object identifier for .iso.org.dod.internet prefix
Definition at line 147 of file msg_in.cpp.
| static void snmp_msg_getnext_event | ( | u8_t | request_id, |
| struct snmp_msg_pstat * | msg_ps | ||
| ) | [static] |
Service an internal or external event for SNMP GETNEXT.
- Parameters:
-
request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1) msg_ps points to the assosicated message process state
Definition at line 380 of file msg_in.cpp.
| static void snmp_msg_set_event | ( | u8_t | request_id, |
| struct snmp_msg_pstat * | msg_ps | ||
| ) | [static] |
Service an internal or external event for SNMP SET.
- Parameters:
-
request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1) msg_ps points to the assosicated message process state
set_value_a()
test object identifier for .iso.org.dod.internet prefix
Definition at line 525 of file msg_in.cpp.
| static err_t snmp_pdu_header_check | ( | struct pbuf * | p, |
| u16_t | ofs, | ||
| u16_t | pdu_len, | ||
| u16_t * | ofs_ret, | ||
| struct snmp_msg_pstat * | m_stat | ||
| ) | [static] |
Checks and decodes incoming SNMP message header, logs header errors.
- Parameters:
-
p points to pbuf chain of SNMP message (UDP payload) ofs points to first octet of SNMP message pdu_len the length of the UDP payload ofs_ret returns the ofset of the variable bindings m_stat points to the current message request state return
- Returns:
- ERR_OK SNMP header is sane and accepted
- ERR_ARG SNMP header is either malformed or rejected
Definition at line 903 of file msg_in.cpp.
| struct snmp_varbind* snmp_varbind_alloc | ( | struct snmp_obj_id * | oid, |
| u8_t | type, | ||
| u8_t | len | ||
| ) | [read] |
Varbind-list functions.
Definition at line 1303 of file msg_in.cpp.
Variable Documentation
| const char snmp_publiccommunity[7] = "public" |
default SNMP community string
Agent default "public" community string.
Definition at line 54 of file msg_in.cpp.
| const s32_t snmp_version = 0 |
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