/* * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <vnet/vnet.h> #include <vlibmemory/api.h> #include <vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/fib/fib_table.h> #include <vnet/syslog/syslog.h> #include <vnet/vnet_msg_enum.h> #define vl_typedefs /* define message structures */ #include <vnet/vnet_all_api_h.h> #undef vl_typedefs #define vl_endianfun /* define message structures */ #include <vnet/vnet_all_api_h.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) #define vl_printfun #include <vnet/vnet_all_api_h.h> #undef vl_printfun #include <vlibapi/api_helper_macros.h> #define foreach_vpe_api_msg \ _(SYSLOG_SET_SENDER, syslog_set_sender) \ _(SYSLOG_GET_SENDER, syslog_get_sender) \ _(SYSLOG_SET_FILTER, syslog_set_filter) \ _(SYSLOG_GET_FILTER, syslog_get_filter) static int syslog_severity_decode (vl_api_syslog_severity_t v, syslog_severity_t * s) { v = ntohl (v); int rv = 0; switch (v) { case SYSLOG_API_SEVERITY_EMERG: *s = SYSLOG_SEVERITY_EMERGENCY; break; case SYSLOG_API_SEVERITY_ALERT: *s = SYSLOG_SEVERITY_ALERT; break; case SYSLOG_API_SEVERITY_CRIT: *s = SYSLOG_SEVERITY_CRITICAL; break; case SYSLOG_API_SEVERITY_ERR: *s = SYSLOG_SEVERITY_ERROR; break; case SYSLOG_API_SEVERITY_WARN: *s = SYSLOG_SEVERITY_WARNING; break; case SYSLOG_API_SEVERITY_NOTICE: *s = SYSLOG_SEVERITY_NOTICE; break; case SYSLOG_API_SEVERITY_INFO: *s = SYSLOG_SEVERITY_INFORMATIONAL; break; case SYSLOG_API_SEVERITY_DBG: *s = SYSLOG_SEVERITY_DEBUG; break; default: rv = VNET_API_ERROR_INVALID_VALUE; } return rv; } static int syslog_severity_encode (syslog_severity_t v, vl_api_syslog_severity_t * s) { int rv = 0; switch (v) { case SYSLOG_SEVERITY_EMERGENCY: *s = SYSLOG_API_SEVERITY_EMERG; break; case SYSLOG_SEVERITY_ALERT: *s = SYSLOG_API_SEVERITY_ALERT; break; case SYSLOG_SEVERITY_CRITICAL: *s = SYSLOG_API_SEVERITY_CRIT; break; case SYSLOG_SEVERITY_ERROR: *s = SYSLOG_API_SEVERITY_ERR; break; case SYSLOG_SEVERITY_WARNING: *s = SYSLOG_API_SEVERITY_WARN; break; case SYSLOG_SEVERITY_NOTICE: *s = SYSLOG_API_SEVERITY_NOTICE; break; case SYSLOG_SEVERITY_INFORMATIONAL: *s = SYSLOG_API_SEVERITY_INFO; break; case SYSLOG_SEVERITY_DEBUG: *s = SYSLOG_API_SEVERITY_DBG; break; default: rv = VNET_API_ERROR_INVALID_VALUE; } *s = htonl (*s); return rv; } static void vl_api_syslog_set_sender_t_handler (vl_api_syslog_set_sender_t * mp) { vl_api_syslog_set_sender_reply_t *rmp; ip4_address_t collector, src; clib_memcpy (&collector, &mp->collector_address, sizeof (collector)); clib_memcpy (&src, &mp->src_address, sizeof (src)); int rv = set_syslog_sender (&collector, ntohs (mp->collector_port), &src, ntohl (mp->vrf_id), ntohl (mp->max_msg_size)); REPLY_MACRO (VL_API_SYSLOG_SET_SENDER_REPLY); } static void vl_api_syslog_get_sender_t_handler (vl_api_syslog_get_sender_t * mp) { int rv = 0; vl_api_syslog_get_sender_reply_t *rmp; syslog_main_t *sm = &syslog_main; u32 vrf_id; /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_SYSLOG_GET_SENDER_REPLY, ({ clib_memcpy (&rmp->collector_address, &(sm->collector), sizeof(ip4_address_t)); clib_memcpy (&rmp->src_address, &(sm->src_address), sizeof(ip4_address_t)); rmp->collector_port = htons (sm->collector_port); if (sm->fib_index == ~0) vrf_id = ~0; else vrf_id = htonl (fib_table_get_table_id (sm->fib_index, FIB_PROTOCOL_IP4)); rmp->vrf_id = vrf_id; rmp->max_msg_size = htonl (sm->max_msg_size); })) /* *INDENT-ON* */ } static void vl_api_syslog_set_filter_t_handler (vl_api_syslog_set_filter_t * mp) { vl_api_syslog_set_filter_reply_t *rmp; syslog_main_t *sm = &syslog_main; int rv = 0; syslog_severity_t s; rv = syslog_severity_decode (mp->severity, &s); if (rv) goto send_reply; sm->severity_filter = s; send_reply: REPLY_MACRO (VL_API_SYSLOG_SET_FILTER_REPLY); } static void vl_api_syslog_get_filter_t_handler (vl_api_syslog_get_filter_t * mp) { int rv = 0; vl_api_syslog_get_filter_reply_t *rmp; syslog_main_t *sm = &syslog_main; /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_SYSLOG_GET_FILTER_REPLY, ({ rv = syslog_severity_encode (sm->severity_filter, &rmp->severity); })) /* *INDENT-ON* */ } #define vl_msg_name_crc_list #include <vnet/vnet_all_api_h.h> #undef vl_msg_name_crc_list static void setup_message_id_table (api_main_t * am) { #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); foreach_vl_msg_name_crc_syslog; #undef _ } static clib_error_t * syslog_api_hookup (vlib_main_t * vm) { api_main_t *am = vlibapi_get_main (); #define _(N,n) \ vl_msg_api_set_handlers(VL_API_##N, #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ vl_api_##n##_t_endian, \ vl_api_##n##_t_print, \ sizeof(vl_api_##n##_t), 1); foreach_vpe_api_msg; #undef _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (syslog_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */