diff options
Diffstat (limited to 'src/vnet/syslog/syslog_api.c')
| -rw-r--r-- | src/vnet/syslog/syslog_api.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src/vnet/syslog/syslog_api.c b/src/vnet/syslog/syslog_api.c new file mode 100644 index 00000000000..8f94c72b291 --- /dev/null +++ b/src/vnet/syslog/syslog_api.c @@ -0,0 +1,243 @@ +/* + * 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.address, &(sm->collector), + sizeof(ip4_address_t)); + clib_memcpy (rmp->src_address.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 = &api_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: + */ |