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643 lines
18 KiB
Groff
643 lines
18 KiB
Groff
.TH "The Net-SNMP library" 3 "30 Jun 2005" "Version 5.2.1.rc3" "net-snmp" \" -*- nroff -*-
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.ad l
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.nh
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.SH NAME
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The Net-SNMP library \-
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.SS "Modules"
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.in +1c
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.ti -1c
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.RI "\fBasn1 parsing and datatype manipulation routines.\fP"
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.br
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.ti -1c
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.RI "\fBA generic callback mechanism\fP"
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.br
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.ti -1c
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.RI "\fBgeneric linked-list data handling with a string as a key.\fP"
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.br
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.ti -1c
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.RI "\fBstorage space for defaults\fP"
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.br
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.ti -1c
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.RI "\fBmib parsing and datatype manipulation routines.\fP"
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.br
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.ti -1c
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.RI "\fBStore and retrieve data referenced by an OID.\fP"
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.br
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.RI "\fIThis is essentially a way of storing data associated with a given OID. \fP"
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.PP
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.in +1c
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.ti -1c
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.RI "\fBparsing various configuration files at run time\fP"
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.br
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.ti -1c
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.RI "\fBgeneric library based alarm timers for various parts of an application\fP"
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.br
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.ti -1c
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.RI "\fBvarious PDU processing routines\fP"
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.br
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.ti -1c
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.RI "\fBgeneric logging for net-snmp\fP"
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.br
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.in -1c
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.SS "Data Structures"
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.in +1c
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.ti -1c
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.RI "struct \fBsnmp_internal_session\fP"
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.br
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.ti -1c
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.RI "struct \fBsession_list\fP"
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.br
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.in -1c
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.SS "Defines"
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.in +1c
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.ti -1c
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.RI "#define \fBMIN\fP(a, b) (((a) < (b)) ? (a) : (b))"
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.br
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.ti -1c
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.RI "#define \fBMIB_CLIENTS_ARE_EVIL\fP 1"
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.br
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.ti -1c
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.RI "#define \fB_init_agent_callback_transport\fP()"
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.br
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.ti -1c
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.RI "#define \fBSNMP_NEED_REQUEST_LIST\fP"
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.br
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.ti -1c
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.RI "#define \fBtimercmp\fP(tvp, uvp, cmp)"
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.br
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.ti -1c
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.RI "#define \fBtimerclear\fP(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0"
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.br
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.ti -1c
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.RI "#define \fBMAX_PACKET_LENGTH\fP (0x7fffffff)"
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.br
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.ti -1c
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.RI "#define \fBNETSNMP_STREAM_QUEUE_LEN\fP 5"
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.br
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.ti -1c
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.RI "#define \fBBSD4_2\fP"
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.br
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.ti -1c
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.RI "#define \fBNFDBITS\fP (sizeof(fd_mask) * NBBY)"
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.br
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.ti -1c
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.RI "#define \fBFD_SET\fP(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))"
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.br
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.ti -1c
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.RI "#define \fBFD_CLR\fP(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))"
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.br
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.ti -1c
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.RI "#define \fBFD_ISSET\fP(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))"
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.br
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.ti -1c
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.RI "#define \fBFD_ZERO\fP(p) memset((p), 0, sizeof(*(p)))"
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.br
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.ti -1c
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.RI "#define \fBDEFAULT_COMMUNITY\fP 'public'"
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.br
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.ti -1c
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.RI "#define \fBDEFAULT_RETRIES\fP 5"
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.br
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.ti -1c
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.RI "#define \fBDEFAULT_TIMEOUT\fP 1000000L"
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.br
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.ti -1c
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.RI "#define \fBDEFAULT_REMPORT\fP SNMP_PORT"
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.br
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.ti -1c
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.RI "#define \fBDEFAULT_ENTERPRISE\fP default_enterprise"
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.br
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.ti -1c
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.RI "#define \fBDEFAULT_TIME\fP 0"
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.br
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.ti -1c
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.RI "#define \fBMAXIMUM_PACKET_SIZE\fP 0x7fffffff"
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.br
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.ti -1c
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.RI "#define \fBDEBUGPRINTPDUTYPE\fP(token, type)"
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.br
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.ti -1c
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.RI "#define \fBERROR_STAT_LENGTH\fP 11"
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.br
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.in -1c
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.SS "Typedefs"
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.in +1c
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.ti -1c
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.RI "typedef long \fBfd_mask\fP"
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.br
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.in -1c
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.SS "Functions"
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.in +1c
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.ti -1c
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.RI "int \fBinit_agent\fP (const char *app)"
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.br
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.RI "\fIInitialize the agent. \fP"
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.ti -1c
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.RI "void \fBshutdown_agent\fP (void)"
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.br
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.ti -1c
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.RI "int \fBsnmp_build\fP (u_char **pkt, size_t *pkt_len, size_t *offset, \fBnetsnmp_session\fP *pss, \fBnetsnmp_pdu\fP *pdu)"
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.br
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.ti -1c
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.RI "int \fBsnmp_get_errno\fP (void)"
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.br
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.ti -1c
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.RI "void \fBsnmp_synch_reset\fP (\fBnetsnmp_session\fP *notused)"
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.br
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.ti -1c
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.RI "void \fBsnmp_synch_setup\fP (\fBnetsnmp_session\fP *notused)"
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.br
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.ti -1c
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.RI "const char * \fBstrerror\fP (int err)"
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.br
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.ti -1c
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.RI "long \fBsnmp_get_next_reqid\fP (void)"
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.br
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.ti -1c
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.RI "long \fBsnmp_get_next_msgid\fP (void)"
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.br
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.ti -1c
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.RI "long \fBsnmp_get_next_sessid\fP (void)"
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.br
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.ti -1c
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.RI "long \fBsnmp_get_next_transid\fP (void)"
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.br
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.ti -1c
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.RI "void \fBsnmp_perror\fP (const char *prog_string)"
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.br
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.ti -1c
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.RI "void \fBsnmp_set_detail\fP (const char *detail_string)"
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.br
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.ti -1c
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.RI "const char * \fBsnmp_api_errstring\fP (int snmp_errnumber)"
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.br
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.ti -1c
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.RI "void \fBsnmp_error\fP (\fBnetsnmp_session\fP *psess, int *p_errno, int *p_snmp_errno, char **p_str)"
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.br
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.ti -1c
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.RI "void \fBsnmp_sess_error\fP (void *sessp, int *p_errno, int *p_snmp_errno, char **p_str)"
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.br
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.ti -1c
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.RI "void \fBnetsnmp_sess_log_error\fP (int priority, const char *prog_string, \fBnetsnmp_session\fP *ss)"
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.br
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.ti -1c
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.RI "void \fBsnmp_sess_perror\fP (const char *prog_string, \fBnetsnmp_session\fP *ss)"
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.br
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.ti -1c
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.RI "void \fBsnmp_sess_init\fP (\fBnetsnmp_session\fP *session)"
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.br
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.ti -1c
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.RI "void \fBinit_snmp_enums\fP (void)"
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.br
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.ti -1c
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.RI "void \fBinit_snmp\fP (const char *type)"
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.br
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.RI "\fICalls the functions to do config file loading and mib module parsing in the correct order. \fP"
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.ti -1c
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.RI "void \fBsnmp_store\fP (const char *type)"
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.br
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.ti -1c
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.RI "void \fBsnmp_shutdown\fP (const char *type)"
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.br
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.RI "\fIShuts down the application, saving any needed persistent storage, and appropriate clean up. \fP"
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.ti -1c
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.RI "\fBnetsnmp_session\fP * \fBsnmp_open\fP (\fBnetsnmp_session\fP *session)"
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.br
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.ti -1c
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.RI "\fBnetsnmp_session\fP * \fBsnmp_open_ex\fP (\fBnetsnmp_session\fP *session, int(*fpre_parse)(\fBnetsnmp_session\fP *, netsnmp_transport *, void *, int), int(*fparse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char *, size_t), int(*fpost_parse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, int), int(*fbuild)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char *, size_t *), int(*frbuild)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char **, size_t *, size_t *), int(*fcheck)(u_char *, size_t))"
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.br
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.ti -1c
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.RI "int \fBsnmpv3_engineID_probe\fP (struct session_list *slp, \fBnetsnmp_session\fP *in_session)"
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.br
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.ti -1c
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.RI "\fBnetsnmp_session\fP * \fBsnmp_add\fP (\fBnetsnmp_session\fP *in_session, netsnmp_transport *transport, int(*fpre_parse)(\fBnetsnmp_session\fP *, netsnmp_transport *, void *, int), int(*fpost_parse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, int))"
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.br
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.ti -1c
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.RI "\fBnetsnmp_session\fP * \fBsnmp_add_full\fP (\fBnetsnmp_session\fP *in_session, netsnmp_transport *transport, int(*fpre_parse)(\fBnetsnmp_session\fP *, netsnmp_transport *, void *, int), int(*fparse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char *, size_t), int(*fpost_parse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, int), int(*fbuild)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char *, size_t *), int(*frbuild)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char **, size_t *, size_t *), int(*fcheck)(u_char *, size_t), \fBnetsnmp_pdu\fP *(*fcreate_pdu)(netsnmp_transport *, void *, size_t))"
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.br
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.ti -1c
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.RI "void * \fBsnmp_sess_add_ex\fP (\fBnetsnmp_session\fP *in_session, netsnmp_transport *transport, int(*fpre_parse)(\fBnetsnmp_session\fP *, netsnmp_transport *, void *, int), int(*fparse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char *, size_t), int(*fpost_parse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, int), int(*fbuild)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char *, size_t *), int(*frbuild)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, u_char **, size_t *, size_t *), int(*fcheck)(u_char *, size_t), \fBnetsnmp_pdu\fP *(*fcreate_pdu)(netsnmp_transport *, void *, size_t))"
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.br
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.ti -1c
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.RI "void * \fBsnmp_sess_add\fP (\fBnetsnmp_session\fP *in_session, netsnmp_transport *transport, int(*fpre_parse)(\fBnetsnmp_session\fP *, netsnmp_transport *, void *, int), int(*fpost_parse)(\fBnetsnmp_session\fP *, \fBnetsnmp_pdu\fP *, int))"
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.br
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.ti -1c
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.RI "void * \fBsnmp_sess_open\fP (\fBnetsnmp_session\fP *pss)"
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.br
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.ti -1c
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.RI "int \fBcreate_user_from_session\fP (\fBnetsnmp_session\fP *session)"
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.br
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.ti -1c
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.RI "int \fBsnmp_sess_close\fP (void *sessp)"
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.br
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.ti -1c
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.RI "int \fBsnmp_close\fP (\fBnetsnmp_session\fP *session)"
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.br
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.ti -1c
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.RI "int \fBsnmp_close_sessions\fP (void)"
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.br
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.ti -1c
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.RI "int \fBsnmpv3_packet_build\fP (\fBnetsnmp_session\fP *session, \fBnetsnmp_pdu\fP *pdu, u_char *packet, size_t *out_length, u_char *pdu_data, size_t pdu_data_len)"
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.br
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.ti -1c
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.RI "u_char * \fBsnmp_pdu_build\fP (\fBnetsnmp_pdu\fP *pdu, u_char *cp, size_t *out_length)"
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.br
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.ti -1c
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.RI "int \fBsnmpv3_parse\fP (\fBnetsnmp_pdu\fP *pdu, u_char *data, size_t *length, u_char **after_header, \fBnetsnmp_session\fP *sess)"
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.br
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.ti -1c
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.RI "int \fBsnmpv3_make_report\fP (\fBnetsnmp_pdu\fP *pdu, int error)"
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.br
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.ti -1c
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.RI "int \fBsnmpv3_get_report_type\fP (\fBnetsnmp_pdu\fP *pdu)"
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.br
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.ti -1c
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.RI "int \fBsnmp_pdu_parse\fP (\fBnetsnmp_pdu\fP *pdu, u_char *data, size_t *length)"
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.br
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.ti -1c
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.RI "u_char * \fBsnmpv3_scopedPDU_parse\fP (\fBnetsnmp_pdu\fP *pdu, u_char *cp, size_t *length)"
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.br
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.ti -1c
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.RI "int \fBsnmp_send\fP (\fBnetsnmp_session\fP *session, \fBnetsnmp_pdu\fP *pdu)"
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.br
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.ti -1c
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.RI "int \fBsnmp_sess_send\fP (void *sessp, \fBnetsnmp_pdu\fP *pdu)"
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.br
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.ti -1c
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.RI "int \fBsnmp_async_send\fP (\fBnetsnmp_session\fP *session, \fBnetsnmp_pdu\fP *pdu, snmp_callback callback, void *cb_data)"
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.br
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.ti -1c
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.RI "int \fBsnmp_sess_async_send\fP (void *sessp, \fBnetsnmp_pdu\fP *pdu, snmp_callback callback, void *cb_data)"
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.br
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.ti -1c
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.RI "void \fBsnmp_free_var\fP (\fBnetsnmp_variable_list\fP *var)"
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.br
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.ti -1c
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.RI "void \fBsnmp_free_varbind\fP (\fBnetsnmp_variable_list\fP *var)"
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.br
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.ti -1c
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.RI "void \fBsnmp_free_pdu\fP (\fBnetsnmp_pdu\fP *pdu)"
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.br
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.ti -1c
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.RI "\fBnetsnmp_pdu\fP * \fBsnmp_create_sess_pdu\fP (netsnmp_transport *transport, void *opaque, size_t olength)"
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.br
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.ti -1c
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.RI "void \fBsnmp_read\fP (fd_set *fdset)"
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.br
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.ti -1c
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.RI "int \fB_sess_read\fP (void *sessp, fd_set *fdset)"
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.br
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.ti -1c
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.RI "int \fBsnmp_sess_read\fP (void *sessp, fd_set *fdset)"
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.br
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.ti -1c
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.RI "int \fBsnmp_select_info\fP (int *numfds, fd_set *fdset, struct timeval *timeout, int *block)"
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.br
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.ti -1c
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.RI "int \fBsnmp_sess_select_info\fP (void *sessp, int *numfds, fd_set *fdset, struct timeval *timeout, int *block)"
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.br
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.ti -1c
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.RI "void \fBsnmp_timeout\fP (void)"
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.br
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.ti -1c
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.RI "void \fBsnmp_sess_timeout\fP (void *sessp)"
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.br
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.ti -1c
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.RI "int \fBsnmp_oid_ncompare\fP (const oid *in_name1, size_t len1, const oid *in_name2, size_t len2, size_t max_len)"
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.br
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.ti -1c
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.RI "int \fBsnmp_oid_compare\fP (const oid *in_name1, size_t len1, const oid *in_name2, size_t len2)"
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.br
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.RI "\fIlexicographical compare two object identifiers. \fP"
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.ti -1c
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.RI "int \fBsnmp_oidtree_compare\fP (const oid *in_name1, size_t len1, const oid *in_name2, size_t len2)"
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.br
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.RI "\fICompares 2 OIDs to determine if they are equal up until the shortest length. \fP"
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.ti -1c
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.RI "int \fBnetsnmp_oid_equals\fP (const oid *in_name1, size_t len1, const oid *in_name2, size_t len2)"
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.br
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.RI "\fICompares 2 OIDs to determine if they are exactly equal. \fP"
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.ti -1c
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.RI "int \fBnetsnmp_oid_is_subtree\fP (const oid *in_name1, size_t len1, const oid *in_name2, size_t len2)"
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.br
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.RI "\fIIdentical to netsnmp_oid_equals, except only the length up to len1 is compared. \fP"
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.ti -1c
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.RI "int \fBnetsnmp_oid_find_prefix\fP (const oid *in_name1, size_t len1, const oid *in_name2, size_t len2)"
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.br
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.RI "\fIGiven two OIDs, determine the common prefix to them both. \fP"
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.ti -1c
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.RI "\fBnetsnmp_variable_list\fP * \fBsnmp_pdu_add_variable\fP (\fBnetsnmp_pdu\fP *pdu, const oid *name, size_t name_length, u_char type, const u_char *value, size_t len)"
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.br
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.ti -1c
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.RI "\fBnetsnmp_variable_list\fP * \fBsnmp_varlist_add_variable\fP (\fBnetsnmp_variable_list\fP **varlist, const oid *name, size_t name_length, u_char type, const u_char *value, size_t len)"
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.br
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.ti -1c
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.RI "int \fBsnmp_add_var\fP (\fBnetsnmp_pdu\fP *pdu, const oid *name, size_t name_length, char type, const char *value)"
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.br
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.ti -1c
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.RI "void * \fBsnmp_sess_pointer\fP (\fBnetsnmp_session\fP *session)"
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.br
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.ti -1c
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.RI "\fBnetsnmp_session\fP * \fBsnmp_sess_session\fP (void *sessp)"
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.br
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.ti -1c
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.RI "netsnmp_transport * \fBsnmp_sess_transport\fP (void *sessp)"
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.br
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.ti -1c
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.RI "void \fBsnmp_sess_transport_set\fP (void *sp, netsnmp_transport *t)"
|
|
.br
|
|
.ti -1c
|
|
.RI "oid * \fBsnmp_duplicate_objid\fP (const oid *objToCopy, size_t objToCopyLen)"
|
|
.br
|
|
.ti -1c
|
|
.RI "u_int \fBsnmp_increment_statistic\fP (int which)"
|
|
.br
|
|
.ti -1c
|
|
.RI "u_int \fBsnmp_increment_statistic_by\fP (int which, int count)"
|
|
.br
|
|
.ti -1c
|
|
.RI "u_int \fBsnmp_get_statistic\fP (int which)"
|
|
.br
|
|
.ti -1c
|
|
.RI "void \fBsnmp_init_statistics\fP (void)"
|
|
.br
|
|
.in -1c
|
|
.SS "Variables"
|
|
|
|
.in +1c
|
|
.ti -1c
|
|
.RI "netsnmp_subtree * \fBsubtrees\fP"
|
|
.br
|
|
.ti -1c
|
|
.RI "long \fBlong_return\fP"
|
|
.br
|
|
.ti -1c
|
|
.RI "u_char \fBreturn_buf\fP [258]"
|
|
.br
|
|
.ti -1c
|
|
.RI "timeval \fBstarttime\fP"
|
|
.br
|
|
.ti -1c
|
|
.RI "int \fBcallback_master_num\fP = -1"
|
|
.br
|
|
.ti -1c
|
|
.RI "oid \fBnullOid\fP [] = { 0, 0 }"
|
|
.br
|
|
.ti -1c
|
|
.RI "int \fBnullOidLen\fP = sizeof(nullOid)"
|
|
.br
|
|
.ti -1c
|
|
.RI "session_list * \fBSessions\fP = NULL"
|
|
.br
|
|
.ti -1c
|
|
.RI "int \fBsnmp_errno\fP = 0"
|
|
.br
|
|
.in -1c
|
|
.SH "Define Documentation"
|
|
.PP
|
|
.SS "#define DEBUGPRINTPDUTYPE(token, type)"
|
|
.PP
|
|
\fBValue:\fP
|
|
.PP
|
|
.nf
|
|
switch(type) { \
|
|
case SNMP_MSG_GET: \
|
|
DEBUGDUMPSECTION(token, 'PDU-GET'); \
|
|
break; \
|
|
case SNMP_MSG_GETNEXT: \
|
|
DEBUGDUMPSECTION(token, 'PDU-GETNEXT'); \
|
|
break; \
|
|
case SNMP_MSG_RESPONSE: \
|
|
DEBUGDUMPSECTION(token, 'PDU-RESPONSE'); \
|
|
break; \
|
|
case SNMP_MSG_SET: \
|
|
DEBUGDUMPSECTION(token, 'PDU-SET'); \
|
|
break; \
|
|
case SNMP_MSG_GETBULK: \
|
|
DEBUGDUMPSECTION(token, 'PDU-GETBULK'); \
|
|
break; \
|
|
case SNMP_MSG_INFORM: \
|
|
DEBUGDUMPSECTION(token, 'PDU-INFORM'); \
|
|
break; \
|
|
case SNMP_MSG_TRAP2: \
|
|
DEBUGDUMPSECTION(token, 'PDU-TRAP2'); \
|
|
break; \
|
|
case SNMP_MSG_REPORT: \
|
|
DEBUGDUMPSECTION(token, 'PDU-REPORT'); \
|
|
break; \
|
|
default: \
|
|
DEBUGDUMPSECTION(token, 'PDU-UNKNOWN'); \
|
|
break; \
|
|
}
|
|
.fi
|
|
.PP
|
|
Definition at line 374 of file snmp_api.c.
|
|
.SS "#define timercmp(tvp, uvp, cmp)"
|
|
.PP
|
|
\fBValue:\fP
|
|
.PP
|
|
.nf
|
|
/* CSTYLED */ \
|
|
((tvp)->tv_sec cmp (uvp)->tv_sec || \
|
|
((tvp)->tv_sec == (uvp)->tv_sec && \
|
|
/* CSTYLED */ \
|
|
(tvp)->tv_usec cmp (uvp)->tv_usec))
|
|
.fi
|
|
.PP
|
|
Definition at line 145 of file snmp_api.c.
|
|
.SH "Function Documentation"
|
|
.PP
|
|
.SS "int init_agent (const char * app)"
|
|
.PP
|
|
Initialize the agent.
|
|
.PP
|
|
Calls into init_agent_read_config to set tha app's configuration file in the appropriate default storage space, NETSNMP_DS_LIB_APPTYPE. Need to call init_agent before calling init_snmp.
|
|
.PP
|
|
\fBParameters:\fP
|
|
.RS 4
|
|
\fIapp\fP the configuration file to be read in, gets stored in default storage
|
|
.RE
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
Returns non-zero on failure and zero on success.
|
|
.RE
|
|
.PP
|
|
\fBSee also:\fP
|
|
.RS 4
|
|
\fBinit_snmp\fP
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 269 of file snmp_vars.c.
|
|
.PP
|
|
References netsnmp_ds_set_boolean(), netsnmp_init_helpers(), and snmp_log().
|
|
.SS "void init_snmp (const char * type)"
|
|
.PP
|
|
Calls the functions to do config file loading and mib module parsing in the correct order.
|
|
.PP
|
|
\fBParameters:\fP
|
|
.RS 4
|
|
\fItype\fP label for the config file 'type'
|
|
.RE
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
void
|
|
.RE
|
|
.PP
|
|
\fBSee also:\fP
|
|
.RS 4
|
|
\fBinit_agent\fP
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 778 of file snmp_api.c.
|
|
.PP
|
|
References init_mib().
|
|
.SS "int netsnmp_oid_equals (const oid * in_name1, size_t len1, const oid * in_name2, size_t len2)"
|
|
.PP
|
|
Compares 2 OIDs to determine if they are exactly equal.
|
|
.PP
|
|
This should be faster than doing a snmp_oid_compare for different length OIDs, since the length is checked first and if != returns immediately. Might be very slighly faster if lengths are ==.
|
|
.PP
|
|
\fBParameters:\fP
|
|
.RS 4
|
|
\fIin_name1\fP A pointer to the first oid.
|
|
.br
|
|
\fIlen1\fP length of the first OID (in segments, not bytes)
|
|
.br
|
|
\fIin_name2\fP A pointer to the second oid.
|
|
.br
|
|
\fIlen2\fP length of the second OID (in segments, not bytes)
|
|
.RE
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
0 if they are equal, 1 if they are not.
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 6211 of file snmp_api.c.
|
|
.PP
|
|
Referenced by netsnmp_cache_find_by_oid(), netsnmp_old_api_helper(), and unregister_mib_context().
|
|
.SS "int netsnmp_oid_find_prefix (const oid * in_name1, size_t len1, const oid * in_name2, size_t len2)"
|
|
.PP
|
|
Given two OIDs, determine the common prefix to them both.
|
|
.PP
|
|
\fBParameters:\fP
|
|
.RS 4
|
|
\fIin_name1\fP A pointer to the first oid.
|
|
.br
|
|
\fIlen1\fP Length of the first oid.
|
|
.br
|
|
\fIin_name2\fP A pointer to the second oid.
|
|
.br
|
|
\fIlen2\fP Length of the second oid.
|
|
.RE
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
length of largest common index of commonality. 1 = first, 0 if none * or -1 on error.
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 6267 of file snmp_api.c.
|
|
.PP
|
|
Referenced by netsnmp_add_varbind_to_cache().
|
|
.SS "int netsnmp_oid_is_subtree (const oid * in_name1, size_t len1, const oid * in_name2, size_t len2)"
|
|
.PP
|
|
Identical to netsnmp_oid_equals, except only the length up to len1 is compared.
|
|
.PP
|
|
Functionally, this determines if in_name2 is equal or a subtree of in_name1
|
|
.PP
|
|
\fBParameters:\fP
|
|
.RS 4
|
|
\fIin_name1\fP A pointer to the first oid.
|
|
.br
|
|
\fIlen1\fP length of the first OID (in segments, not bytes)
|
|
.br
|
|
\fIin_name2\fP A pointer to the second oid.
|
|
.br
|
|
\fIlen2\fP length of the second OID (in segments, not bytes)
|
|
.RE
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
0 if one is a common prefix of the other.
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 6247 of file snmp_api.c.
|
|
.SS "int snmp_oid_compare (const oid * in_name1, size_t len1, const oid * in_name2, size_t len2)"
|
|
.PP
|
|
lexicographical compare two object identifiers.
|
|
.PP
|
|
Caution: this method is called often by command responder applications (ie, agent).
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
-1 if name1 < name2, 0 if name1 = name2, 1 if name1 > name2
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 6143 of file snmp_api.c.
|
|
.PP
|
|
Referenced by check_getnext_results(), netsnmp_check_getnext_reply(), netsnmp_insert_iterator_context(), netsnmp_insert_table_row(), netsnmp_row_merge_helper_handler(), netsnmp_table_data_add_row(), netsnmp_table_data_get_from_oid(), netsnmp_table_data_helper_handler(), netsnmp_table_iterator_helper_handler(), snmp_oidtree_compare(), and table_helper_handler().
|
|
.SS "int snmp_oidtree_compare (const oid * in_name1, size_t len1, const oid * in_name2, size_t len2)"
|
|
.PP
|
|
Compares 2 OIDs to determine if they are equal up until the shortest length.
|
|
.PP
|
|
\fBParameters:\fP
|
|
.RS 4
|
|
\fIin_name1\fP A pointer to the first oid.
|
|
.br
|
|
\fIlen1\fP length of the first OID (in segments, not bytes)
|
|
.br
|
|
\fIin_name2\fP A pointer to the second oid.
|
|
.br
|
|
\fIlen2\fP length of the second OID (in segments, not bytes)
|
|
.RE
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
0 if they are equal, 1 if in_name1 is > in_name2, or -1 if <.
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 6192 of file snmp_api.c.
|
|
.PP
|
|
References snmp_oid_compare().
|
|
.SS "void snmp_shutdown (const char * type)"
|
|
.PP
|
|
Shuts down the application, saving any needed persistent storage, and appropriate clean up.
|
|
.PP
|
|
\fBParameters:\fP
|
|
.RS 4
|
|
\fItype\fP Label for the config file 'type' used
|
|
.RE
|
|
.PP
|
|
\fBReturns:\fP
|
|
.RS 4
|
|
void
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Definition at line 846 of file snmp_api.c.
|
|
.PP
|
|
References shutdown_mib(), snmp_alarm_unregister_all(), and snmp_call_callbacks().
|