Linux Manuals session 3

register_config_handler, register_premib_handler unregister_config_handler, register_mib_handlers, read_configs, read_premib_configs, config_perror, config_pwarn – read_config functions Synopsis #include <net-snmp/config_api.h> struct config_line * register_config_handler(const char *filePrefix, const char *token, void (*parser)(const char *, char *), void (*releaser)(void), const char *usageLine); struct config_line * register_premib_handler(const char *filePrefix, const char *token, void (*parser)(const char *, char *), void (*releaser)(void), const char *usageLine); void…

add_mibdir, netsnmp_init_mib, shutdown_mib, netsnmp_read_module, read_mib, read_all_mibs, add_module_replacement, snmp_set_mib_errors, snmp_set_mib_warnings, snmp_set_save_descriptions, read_objid, snmp_parse_oid, get_module_node, print_mib, print_objid, fprint_objid, snprint_objid, print_description, fprint_description, snprint_description – netsnmp_mib_api functions Synopsis #include <net-snmp/mib_api.h> Initialisation and Shutdown int add_mibdir(const char *dirname); void netsnmp_init_mib(void); void shutdown_mib(void); Reading and Parsing MIBs struct tree * netsnmp_read_module(const char *name); struct tree *read_mib(const char *filename); struct tree *read_all_mibs(void);…

re_comp, re_exec – BSD regex functions Synopsis #define _REGEX_RE_COMP #include <sys/types.h> #include <regex.h> char *re_comp(const char *regex); int re_exec(const char *string); Description re_comp() is used to compile the null-terminated regular expression pointed to by regex. The compiled pattern occupies a static area, the pattern buffer, which is overwritten by subsequent use of re_comp(). If regex…

re_comp, re_exec – BSD regex functions Synopsis #define _REGEX_RE_COMP #include <sys/types.h> #include <regex.h> char *re_comp(const char *regex); int re_exec(const char *string); Description re_comp() is used to compile the null-terminated regular expression pointed to by regex. The compiled pattern occupies a static area, the pattern buffer, which is overwritten by subsequent use of re_comp(). If regex…

rdma_set_option – Set communication options for an rdma_cm_id. Synopsis #include <rdma/rdma_cma.h> int rdma_set_option (struct rdma_cm_id *id, int level, int optname, void *optval, size_t optlen); Arguments id RDMA identifier. level Protocol level of the option to set. optname Name of the option, relative to the level, to set. optval Reference to the option data. The data…

rdma_resolve_route – Resolve the route information needed to establish a connection. Synopsis #include <rdma/rdma_cma.h> int rdma_resolve_route (struct rdma_cm_id *id, int timeout_ms); Arguments id RDMA identifier. timeout_ms Time to wait for resolution to complete. Description Resolves an RDMA route to the destination address in order to establish a connection. The destination address must have already been…

rdma_resolve_addr – Resolve destination and optional source addresses. Synopsis #include <rdma/rdma_cma.h> int rdma_resolve_addr (struct rdma_cm_id *id, struct sockaddr *src_addr, struct sockaddr *dst_addr, int timeout_ms); Arguments id RDMA identifier. src_addr Source address information. This parameter may be NULL. dst_addr Destination address information. timeout_ms Time to wait for resolution to complete. Description Resolve destination and optional source…

rdma_reject – Called to reject a connection request. Synopsis #include <rdma/rdma_cma.h> int rdma_reject (struct rdma_cm_id *id, const void *private_data, uint8_t private_data_len); Arguments id Connection identifier associated with the request. private_data Optional private data to send with the reject message. private_data_len Specifies the size of the user-controlled data buffer. Note that the actual amount of data…

rdma_reg_write – register data buffer(s) for remote RDMA write access. Synopsis #include <rdma/rdma_verbs.h> struct ibv_mr *rdma_reg_write (struct rdma_cm_id *id, void *addr, size_t length); Arguments id A reference to a communication identifier where the message buffer(s) will be used. addr The address of the memory buffer(s) to register. length The total length of the memory to…

rdma_reg_read – register data buffer(s) for remote RDMA read access. Synopsis #include <rdma/rdma_verbs.h> struct ibv_mr *rdma_reg_read (struct rdma_cm_id *id, void *addr, size_t length); Arguments id A reference to a communication identifier where the message buffer(s) will be used. addr The address of the memory buffer(s) to register. length The total length of the memory to…

rdma_reg_msgs – register data buffer(s) for sending or receiving messages. Synopsis #include <rdma/rdma_verbs.h> struct ibv_mr *rdma_reg_msgs (struct rdma_cm_id *id, void *addr, size_t length); Arguments id A reference to a communication identifier where the message buffer(s) will be used. addr The address of the memory buffer(s) to register. length The total length of the memory to…

rdma_post_writev – post an RDMA write work request. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_writev (struct rdma_cm_id *id, void *context, struct ibv_sge *sgl, int nsge, int flags, uint64_t remote_addr, uint32_t rkey); Arguments id A reference to a communication identifier where the request will be posted. context User-defined context associated with the request. sgl A scatter-gather list of…

rdma_post_write – post an RDMA write work request. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_write (struct rdma_cm_id *id, void *context, void *addr, size_t length, struct ibv_mr *mr, int flags, uint64_t remote_addr, uint32_t rkey); Arguments id A reference to a communication identifier where the request will be posted. context User-defined context associated with the request. addr The local…

rdma_post_ud_send – post a work request to send a datagram. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_ud_send (struct rdma_cm_id *id, void *context, void *addr, size_t length, struct ibv_mr *mr, int flags, struct ibv_ah *ah, uint32_t remote_qpn); Arguments id A reference to a communication identifier where the message buffer will be posted. context User-defined context associated with the…

rdma_post_sendv – post a work request to send a message. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_sendv (struct rdma_cm_id *id, void *context, struct ibv_sge *slg, int nsge, int flags); Arguments id A reference to a communication identifier where the message buffer will be posted. context User-defined context associated with the request. slg A scatter-gather list of memory…

rdma_post_send – post a work request to send a message. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_send (struct rdma_cm_id *id, void *context, void *addr, size_t length, struct ibv_mr *mr, int flags); Arguments id A reference to a communication identifier where the message buffer will be posted. context User-defined context associated with the request. addr The address of…

rdma_post_recvv – post a work request to receive incoming messages. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_recvv (struct rdma_cm_id *id, void *context, struct ibv_sge *sgl, int nsge); Arguments id A reference to a communication identifier where the message buffer(s) will be posted. context User-defined context associated with the request. sgl A scatter-gather list of memory buffers posted…

rdma_post_recv – post a work request to receive an incoming message. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_recv (struct rdma_cm_id *id, void *context, void *addr, size_t length, struct ibv_mr *mr); Arguments id A reference to a communication identifier where the message buffer will be posted. context User-defined context associated with the request. addr The address of the…

rdma_post_readv – post an RDMA read work request. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_readv (struct rdma_cm_id *id, void *context, struct ibv_sge *sgl, int nsge, int flags, uint64_t remote_addr, uint32_t rkey); Arguments id A reference to a communication identifier where the request will be posted. context User-defined context associated with the request. sgl A scatter-gather list of…

rdma_post_read – post an RDMA read work request. Synopsis #include <rdma/rdma_verbs.h> int rdma_post_read (struct rdma_cm_id *id, void *context, void *addr, size_t length, struct ibv_mr *mr, int flags, uint64_t remote_addr, uint32_t rkey); Arguments id A reference to a communication identifier where the request will be posted. context User-defined context associated with the request. addr The address…