diff options
Diffstat (limited to 'ctrl/libhicnctrl/src/modules/hicn_plugin_api.c')
| -rw-r--r-- | ctrl/libhicnctrl/src/modules/hicn_plugin_api.c | 1305 |
1 files changed, 0 insertions, 1305 deletions
diff --git a/ctrl/libhicnctrl/src/modules/hicn_plugin_api.c b/ctrl/libhicnctrl/src/modules/hicn_plugin_api.c deleted file mode 100644 index e59a2e41e..000000000 --- a/ctrl/libhicnctrl/src/modules/hicn_plugin_api.c +++ /dev/null @@ -1,1305 +0,0 @@ -/* - * Copyright (c) 2017-2020 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. - */ - -/** - * \file api.c - * \brief Implementation of hICN control library API - */ - -#include "api_private.h" - -#include <assert.h> // assert -#include <fcntl.h> // fcntl -#include <math.h> // log2 -#include <stdbool.h> -#include <stdio.h> // snprintf -#include <string.h> // memmove, strcasecmp -#include <sys/socket.h> // socket -#include <unistd.h> // close, fcntl -#include <vapi/vapi_safe.h> -#include <vapi/hicn.api.vapi.h> -#include <vapi/ip.api.vapi.h> -#include <vapi/udp.api.vapi.h> -#include <vapi/interface.api.vapi.h> - - -#if __GNUC__ >= 9 -#pragma GCC diagnostic ignored "-Waddress-of-packed-member" -#endif - -#include <vnet/ip/ip46_address.h> - -#if __GNUC__ >= 9 -#pragma GCC diagnostic pop -#endif - -#define APP_NAME "hicn_plugin" -#define MAX_OUTSTANDING_REQUESTS 4 -#define RESPONSE_QUEUE_SIZE 2 - -DEFINE_VAPI_MSG_IDS_HICN_API_JSON -DEFINE_VAPI_MSG_IDS_INTERFACE_API_JSON -DEFINE_VAPI_MSG_IDS_IP_API_JSON -DEFINE_VAPI_MSG_IDS_UDP_API_JSON - -typedef struct { - vapi_ctx_t g_vapi_ctx_instance; - bool async; -} vapi_skc_ctx_t; - -vapi_skc_ctx_t vapi_skc = { - .g_vapi_ctx_instance = NULL, - .async = false, -}; - -/** - * Messages to the forwarder might be multiplexed thanks to the seqNum fields in - * the header_control_message structure. The forwarder simply answers back the - * original sequence number. We maintain a map of such sequence number to - * outgoing queries so that replied can be demultiplexed and treated - * appropriately. - */ -/* TYPEDEF_MAP_H(hc_sock_map, int, hc_sock_request_t *); */ -/* TYPEDEF_MAP(hc_sock_map, int, hc_sock_request_t *, int_cmp, int_snprintf, */ -/* generic_snprintf); */ - -struct hc_sock_vpp_s { - /* This must be the first element of the struct */ - hc_sock_t vft; - - vapi_ctx_t g_vapi_ctx_instance; - char *url; - int fd; - - size_t roff; /**< Read offset */ - size_t woff; /**< Write offset */ - u32 buffer[RECV_BUFLEN]; - /* Next sequence number to be used for requests */ - int seq; - - bool async; -}; - -typedef struct hc_sock_vpp_s hc_sock_vpp_t; - -#define TO_HC_SOCK_VPP(s) (hc_sock_vpp_t*)(s) - -/****************************************************************************** - * Message helper types and aliases - ******************************************************************************/ - -#define foreach_hc_command \ - _(hicn_api_node_params_set) \ - _(hicn_api_node_params_set_reply) \ - _(hicn_api_node_params_get_reply) \ - _(hicn_api_node_stats_get_reply) \ - _(hicn_api_face_get) \ - _(hicn_api_faces_details) \ - _(hicn_api_face_stats_details) \ - _(hicn_api_face_get_reply) \ - _(hicn_api_route_get) \ - _(hicn_api_route_get_reply) \ - _(hicn_api_routes_details) \ - _(hicn_api_strategies_get_reply) \ - _(hicn_api_strategy_get) \ - _(hicn_api_strategy_get_reply) - - -typedef vapi_type_msg_header2_t hc_msg_header_t; - -typedef union { -#define _(a) vapi_payload_ ## a a; - foreach_hc_command -#undef _ -} hc_msg_payload_t; - -typedef struct __attribute__ ((__packed__)) { - hc_msg_header_t hdr; - hc_msg_payload_t payload; -} hc_hicnp_t; - -typedef void (* NTOH)(void *msg); - -typedef struct __attribute__((__packed__)) { - hc_data_t *data; - uint32_t curr_msg; -} callback_ctx_t; - -typedef struct __attribute__((__packed__)) { - hc_hicnp_t * hicnp_msg; - vapi_cb_t callback; - callback_ctx_t *callback_ctx; - NTOH ntoh; -} hc_msg_s; - -/****************************************************************************** - * Control socket - ******************************************************************************/ - -static void _hc_sock_vpp_free(hc_sock_t *socket) { - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - if (s->url) free(s->url); - close(s->fd); - free(s); - - vapi_disconnect_safe(); - vapi_skc.g_vapi_ctx_instance = NULL; -} - -static int _hc_sock_vpp_get_next_seq(hc_sock_t *socket) { - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - return vapi_gen_req_context(s->g_vapi_ctx_instance); -} - -static int _hc_sock_vpp_set_nonblocking(hc_sock_t *socket) { - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - s->async = 1; - return 0; -} - -static int _hc_sock_vpp_get_fd(hc_sock_t *s) { return 1; } - -static int _hc_sock_vpp_connect(hc_sock_t *socket) { - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - vapi_error_e rv = vapi_connect_safe(&s->g_vapi_ctx_instance, s->async); - if (rv != VAPI_OK) - goto ERR_CONNECT; - - return 0; - -ERR_CONNECT: - ERROR("[hc_sock_connect] connection failed"); - return -1; -} - -static int _hc_sock_vpp_send(hc_sock_t *s, hc_msg_t *msg, size_t msglen, int seq) { - return -1; -} - -static int _hc_sock_vpp_get_available(hc_sock_t *s, u8 **buffer, size_t *size) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_sock_vpp_recv(hc_sock_t *s) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_sock_vpp_process(hc_sock_t *s, hc_data_t **pdata) { - //NOT IMPLEMENTED - return -1; -} - -static int _hc_sock_vpp_callback(hc_sock_t * socket, hc_data_t ** pdata) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_sock_vpp_reset(hc_sock_t * socket) { - // NOT IMPLEMENTED - return -1; -} - -/****************************************************************************** - * Command-specific structures and functions - ******************************************************************************/ - - -/*----------------------------------------------------------------------------* - * Listeners - *----------------------------------------------------------------------------*/ - -/* LISTENER CREATE */ - -static int _hc_listener_create(hc_sock_t *s, hc_listener_t *listener) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_listener_create_async(hc_sock_t *s, hc_listener_t *listener) { - // NOT IMPLEMENTED - return -1; -} - -/* LISTENER GET */ -static int _hc_listener_get(hc_sock_t *s, hc_listener_t *listener, - hc_listener_t **listener_found) { - // NOT IMPLEMENTED - return -1; -} - -/* LISTENER DELETE */ - -static int _hc_listener_delete(hc_sock_t *s, hc_listener_t *listener) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_listener_delete_async(hc_sock_t *s, hc_listener_t *listener) { - // NOT IMPLEMENTED - return -1; -} - -static vapi_error_e process_ip_info(struct vapi_ctx_s *ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_ip_address_details *reply) { - - if (is_last) - return 0; - hc_data_t *data = (hc_data_t *)callback_ctx; - - if (data->size == data->current) { - data->buffer = realloc(data->buffer, sizeof(hc_listener_t) * data->size * 2); - - if (!data->buffer) - return VAPI_ENOMEM; - - data->size *=2; - } - - hc_listener_t * listener = (hc_listener_t *)(data->buffer + data->current * sizeof(hc_listener_t)); - - if(reply->prefix.address.af == ADDRESS_IP4) { - memcpy(listener->local_addr.v4.as_u8, reply->prefix.address.un.ip4, IPV4_ADDR_LEN); - listener->family = AF_INET; - } - else { - memcpy(listener->local_addr.v6.as_u8, reply->prefix.address.un.ip6, IPV6_ADDR_LEN); - listener->family = AF_INET6; - } - - listener->id = reply->sw_if_index; - data->current++; - return rv; -} - -typedef struct { - u32 swif; - char interface_name[INTERFACE_LEN]; -} hc_vapi_interface_t; - -static vapi_error_e listener_list_complete_cb ( - struct vapi_ctx_s *ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_sw_interface_details *reply) { - - if (reply == NULL || rv != VAPI_OK) - return rv; - - if (is_last) - return 0; - - hc_data_t *data = (hc_data_t *)callback_ctx; - - if (data->size == data->current) { - data->buffer = realloc(data->buffer, sizeof(hc_vapi_interface_t) * data->size * 2); - - if (!data->buffer) - return VAPI_ENOMEM; - - data->size *=2; - } - - hc_vapi_interface_t *swif = &((hc_vapi_interface_t*)data->buffer)[data->current]; - - swif[0].swif = reply->sw_if_index; - memcpy(swif[0].interface_name, reply->interface_name, INTERFACE_LEN); - - data->current++; - - return rv; -} - - -/* LISTENER LIST */ -static int _hc_listener_list(hc_sock_t *socket, hc_data_t **pdata) { - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - int retval = VAPI_OK; - vapi_lock(); - vapi_msg_sw_interface_dump *hicnp_msg; - hicnp_msg = vapi_alloc_sw_interface_dump(s->g_vapi_ctx_instance); - - if (!hicnp_msg) { - retval = VAPI_ENOMEM; - goto END; - } - - hicnp_msg->payload.sw_if_index = ~0; - hicnp_msg->payload.name_filter_valid = 0; - - hc_data_t *data = hc_data_create(0, sizeof(hc_vapi_interface_t),NULL); - - if (!data) { - retval = -1; - goto END; - } - - hc_data_t *data2 = hc_data_create(0, 1,NULL); - - if (!data2) { - retval = -1; - goto END; - } - - data->buffer = malloc(sizeof(hc_vapi_interface_t)); - data->size = 1; - - if (!data->buffer) { - free (data); - retval = -1; - goto FREE_DATA; - } - - int ret = vapi_sw_interface_dump(s->g_vapi_ctx_instance, hicnp_msg, listener_list_complete_cb, data); - - if (ret != VAPI_OK) { - free(data->buffer); - free(data); - retval = -1; - goto FREE_DATA_BUFFER; - } - - data2->buffer = malloc(sizeof(hc_listener_t)); - data2->size = 1; - data2->out_element_size = 1; - - if (!data2->buffer) { - free (data2->buffer); - retval =1 -1; - goto CLEAN; - } - - /* Query the forwarder for each interface */ - for(int i = 0; i < data->current; i++) { - int index = data2->current; - vapi_msg_ip_address_dump* msg = vapi_alloc_ip_address_dump(s->g_vapi_ctx_instance); - msg->payload.sw_if_index = ((hc_vapi_interface_t *)data->buffer)[i].swif; - msg->payload.is_ipv6 = 0; - retval = vapi_ip_address_dump(s->g_vapi_ctx_instance, msg, process_ip_info, data2); - vapi_msg_ip_address_dump* msg2 = vapi_alloc_ip_address_dump(s->g_vapi_ctx_instance); - - if (retval) goto CLEAN; - - msg2->payload.sw_if_index = ((hc_vapi_interface_t *)data->buffer)[i].swif; - msg2->payload.is_ipv6 = 1; - retval = vapi_ip_address_dump(s->g_vapi_ctx_instance, msg2, process_ip_info, data2); - for (size_t j = index; j < data2->current; j++) { - memcpy(((hc_listener_t *)(data2->buffer))[j].interface_name, ((hc_vapi_interface_t*)(data->buffer))[i].interface_name, INTERFACE_LEN); - ((hc_listener_t *)(data2->buffer))[j].type = CONNECTION_TYPE_HICN; - } - - if (retval) goto CLEAN; - } - -CLEAN: -FREE_DATA_BUFFER: - free(data->buffer); -FREE_DATA: - free(data); - - data2->size = data2->current; - data2->out_element_size = sizeof(hc_listener_t); - *pdata = data2; - END: - vapi_unlock(); - return retval; -} - -static int _hc_listener_list_async(hc_sock_t *s, hc_data_t **pdata) { - // NOT IMPLEMENTED - return -1; -} - -/*----------------------------------------------------------------------------* - * CONNECTION - *----------------------------------------------------------------------------*/ - -/* CONNECTION CREATE */ - -static int _hc_connection_create(hc_sock_t *s, hc_connection_t *connection) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_connection_create_async(hc_sock_t *s, hc_connection_t *connection) { - // NOT IMPLEMENTED - return -1; -} - -/* CONNECTION GET */ - -static int _hc_connection_get(hc_sock_t *s, hc_connection_t *connection, - hc_connection_t **connection_found) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_connection_update_by_id(hc_sock_t *s, int hc_connection_id, hc_connection_t *connection) { - // Not implemented - return -1; -} - -static int _hc_connection_update(hc_sock_t *s, hc_connection_t *connection_current, hc_connection_t *connection_updated) { - // Not implemented - return -1; -} - -/* CONNECTION DELETE */ - -static int _hc_connection_delete(hc_sock_t *s, hc_connection_t *connection) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_connection_delete_async(hc_sock_t *s, hc_connection_t *connection) { - // NOT IMPLEMENTED - return -1; -} - -/* CONNECTION LIST */ - -static int _hc_connection_list(hc_sock_t *s, hc_data_t **pdata) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_connection_list_async(hc_sock_t *s, hc_data_t **pdata) { - // NOT IMPLEMENTED - return -1; -} - -/* CONNECTION SET ADMIN STATE */ - -static int _hc_connection_set_admin_state(hc_sock_t *s, const char *conn_id_or_name, - face_state_t state) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_connection_set_admin_state_async(hc_sock_t *s, - const char *conn_id_or_name, - face_state_t state) { - // NOT IMPLEMENTED - return -1; -} - -#ifdef WITH_POLICY - -static int _hc_connection_set_priority(hc_sock_t * s, const char * conn_id_or_name, uint32_t priority) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_connection_set_priority_async(hc_sock_t * s, const char * conn_id_or_name, uint32_t priority) { - // NOT IMPLEMENTED - return -1; -} - -#endif // WITH_POLICY - -static int _hc_connection_set_tags(hc_sock_t * s, const char * conn_id_or_name, policy_tags_t tags) { - // NOT IMPLEMENTED - return -1; -} - -static int _hc_connection_set_tags_async(hc_sock_t * s, const char * conn_id_or_name, policy_tags_t tags) { - // NOT IMPLEMENTED - return -1; -} - -/*----------------------------------------------------------------------------* - * Routes - *----------------------------------------------------------------------------*/ - -static vapi_error_e create_udp_tunnel_cb( vapi_ctx_t ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_hicn_api_udp_tunnel_add_del_reply *reply) { - if (reply == NULL || rv != VAPI_OK) - return rv; - - if (reply->retval != VAPI_OK) - return reply->retval; - - u32 * uei = (u32*) callback_ctx; - *uei = reply->uei; - - return reply->retval; -} - -/* ROUTE CREATE */ -static vapi_error_e parse_route_create( vapi_ctx_t ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_ip_route_add_del_reply *reply) { - if (reply == NULL || rv != VAPI_OK) - return rv; - - if (reply->retval != VAPI_OK) - return reply->retval; - - return reply->retval; -} - -static vapi_error_e hicn_enable_cb( vapi_ctx_t ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_hicn_api_enable_disable_reply *reply) { - if (reply == NULL || rv != VAPI_OK) - return rv; - - return reply->retval; -} - -static int _hc_route_create_internal(hc_sock_t *socket, hc_route_t *route, bool async) { - if (!IS_VALID_FAMILY(route->family)) return -1; - - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - int ret; - vapi_lock(); - - vapi_msg_ip_route_add_del *hicnp_msg = vapi_alloc_ip_route_add_del(s->g_vapi_ctx_instance, 1); - - hicnp_msg->payload.is_add = 1; - if (route->family == AF_INET) { - memcpy(&hicnp_msg->payload.route.prefix.address.un.ip4[0], &route->remote_addr.v4, 4); - hicnp_msg->payload.route.prefix.address.af = ADDRESS_IP4; - } - else { - memcpy(&hicnp_msg->payload.route.prefix.address.un.ip6[0], &route->remote_addr.v6, 16); - hicnp_msg->payload.route.prefix.address.af = ADDRESS_IP6; - } - - hicnp_msg->payload.route.prefix.len = route->len; - - hicnp_msg->payload.route.paths[0].sw_if_index = ~0; - hicnp_msg->payload.route.paths[0].table_id = 0; - - hc_face_t *face = &(route->face); - switch (face->face.type) { - case FACE_TYPE_HICN: - { - if (ip46_address_is_ip4((ip46_address_t *)(&(face->face.remote_addr)))) { - memcpy(&(hicnp_msg->payload.route.paths[0].nh.address.ip4), &face->face.remote_addr.v4, sizeof(ip4_address_t)); - hicnp_msg->payload.route.paths[0].proto = FIB_API_PATH_NH_PROTO_IP4; - } - else{ - memcpy(&(hicnp_msg->payload.route.paths[0].nh.address.ip6), &face->face.remote_addr.v6, sizeof(ip6_address_t)); - hicnp_msg->payload.route.paths[0].proto = FIB_API_PATH_NH_PROTO_IP6; - } - - hicnp_msg->payload.route.paths[0].type = FIB_API_PATH_FLAG_NONE; - hicnp_msg->payload.route.paths[0].flags = FIB_API_PATH_FLAG_NONE; - - break; - } - case FACE_TYPE_UDP: - { - vapi_msg_hicn_api_udp_tunnel_add_del *msg = NULL; - u32 uei = ~0; - - if (ip46_address_is_ip4((ip46_address_t *)(&(face->face.remote_addr))) && - ip46_address_is_ip4((ip46_address_t *)(&(face->face.local_addr)))) { - - msg = vapi_alloc_hicn_api_udp_tunnel_add_del(s->g_vapi_ctx_instance); - memcpy(msg->payload.src_addr.un.ip4, &face->face.local_addr.v4, sizeof(ip4_address_t)); - msg->payload.src_addr.af = ADDRESS_IP4; - - memcpy(msg->payload.dst_addr.un.ip4, &face->face.remote_addr.v4, sizeof(ip4_address_t)); - msg->payload.dst_addr.af = ADDRESS_IP4; - - } else if (!ip46_address_is_ip4((ip46_address_t *)(&(route->face.face.remote_addr))) && - !ip46_address_is_ip4((ip46_address_t *)(&(route->face.face.local_addr)))) { - - msg = vapi_alloc_hicn_api_udp_tunnel_add_del(s->g_vapi_ctx_instance); - memcpy(msg->payload.src_addr.un.ip6, &face->face.local_addr.v6, sizeof(ip6_address_t)); - msg->payload.src_addr.af = ADDRESS_IP4; - - memcpy(msg->payload.dst_addr.un.ip6, &face->face.remote_addr.v6, sizeof(ip6_address_t)); - msg->payload.dst_addr.af = ADDRESS_IP6; - - } else { - //NOT IMPLEMENTED - ret = -1; - goto done; - } - - msg->payload.src_port = face->face.local_port; - msg->payload.dst_port = face->face.remote_port; - msg->payload.is_add = 1; - - int ret = vapi_hicn_api_udp_tunnel_add_del(s->g_vapi_ctx_instance, msg, create_udp_tunnel_cb, &uei); - - if(ret) { - vapi_msg_free(s->g_vapi_ctx_instance, hicnp_msg); - goto done; - } - - hicnp_msg->payload.route.paths[0].type = FIB_API_PATH_TYPE_UDP_ENCAP; - hicnp_msg->payload.route.paths[0].flags = FIB_API_PATH_FLAG_NONE; - hicnp_msg->payload.route.paths[0].nh.obj_id = uei; - break; - } - default: - ret = -1; - goto done; - } - - ret = vapi_ip_route_add_del(s->g_vapi_ctx_instance, hicnp_msg, parse_route_create, NULL); - - if (ret) - goto done; - - vapi_msg_hicn_api_enable_disable *msg = vapi_alloc_hicn_api_enable_disable(s->g_vapi_ctx_instance); - - if (route->family == AF_INET) { - memcpy(&msg->payload.prefix.address.un.ip4[0], &route->remote_addr.v4, 4); - msg->payload.prefix.address.af = ADDRESS_IP4; - } - else { - memcpy(&msg->payload.prefix.address.un.ip6[0], &route->remote_addr.v6, 16); - msg->payload.prefix.address.af = ADDRESS_IP6; - } - - msg->payload.prefix.len = route->len; - msg->payload.enable_disable = 1; - - ret = vapi_hicn_api_enable_disable(s->g_vapi_ctx_instance, msg, hicn_enable_cb, NULL); -done: - vapi_unlock(); - return ret; -} - -static int _hc_route_create(hc_sock_t *s, hc_route_t *route) { - return _hc_route_create_internal(s, route, false); -} - -static int _hc_route_create_async(hc_sock_t *s, hc_route_t *route) { - return _hc_route_create_internal(s, route, true); -} - -/* ROUTE DELETE */ -static vapi_error_e parse_route_delete( vapi_ctx_t ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_ip_route_add_del_reply *reply) { - if (reply == NULL || rv != VAPI_OK) - return rv; - - return reply->retval; -} - -static int _hc_route_delete_internal(hc_sock_t *socket, hc_route_t *route, bool async) { - if (!IS_VALID_FAMILY(route->family)) return -1; - - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - - vapi_lock(); - vapi_msg_ip_route_add_del *hicnp_msg = vapi_alloc_ip_route_add_del(s->g_vapi_ctx_instance, 1); - - hicnp_msg->payload.is_add = 0; - if (route->family == AF_INET) { - memcpy(&hicnp_msg->payload.route.prefix.address.un.ip4[0], &route->remote_addr.v4, 4); - hicnp_msg->payload.route.prefix.address.af = ADDRESS_IP4; - } - else { - memcpy(&hicnp_msg->payload.route.prefix.address.un.ip6[0], &route->remote_addr.v6, 16); - hicnp_msg->payload.route.prefix.address.af = ADDRESS_IP6; - } - - hicnp_msg->payload.route.prefix.len = route->len; - - hicnp_msg->payload.route.paths[0].sw_if_index = ~0; - hicnp_msg->payload.route.paths[0].table_id = 0; - - hc_face_t *face = &(route->face); - switch (face->face.type) { - case FACE_TYPE_HICN: - { - if (ip46_address_is_ip4((ip46_address_t *)(&(face->face.remote_addr)))) { - memcpy(&(hicnp_msg->payload.route.paths[0].nh.address.ip4), &face->face.remote_addr.v4, sizeof(ip4_address_t)); - hicnp_msg->payload.route.paths[0].proto = FIB_API_PATH_NH_PROTO_IP4; - } - else{ - memcpy(&(hicnp_msg->payload.route.paths[0].nh.address.ip6), &face->face.remote_addr.v6, sizeof(ip6_address_t)); - hicnp_msg->payload.route.paths[0].proto = FIB_API_PATH_NH_PROTO_IP6; - } - - hicnp_msg->payload.route.paths[0].type = FIB_API_PATH_FLAG_NONE; - hicnp_msg->payload.route.paths[0].flags = FIB_API_PATH_FLAG_NONE; - - break; - } - case FACE_TYPE_UDP: - { - hicnp_msg->payload.route.paths[0].type = FIB_API_PATH_TYPE_UDP_ENCAP; - hicnp_msg->payload.route.paths[0].flags = FIB_API_PATH_FLAG_NONE; - hicnp_msg->payload.route.paths[0].nh.obj_id = face->face.netdevice.index; - break; - } - default: - return -1; - } - - vapi_error_e ret = vapi_ip_route_add_del(s->g_vapi_ctx_instance, hicnp_msg, parse_route_delete, NULL); - - vapi_unlock(); - return ret; -} - -static int _hc_route_delete(hc_sock_t *s, hc_route_t *route) { - return _hc_route_delete_internal(s, route, false); -} - -static int _hc_route_delete_async(hc_sock_t *s, hc_route_t *route) { - return _hc_route_delete_internal(s, route, true); -} - -static vapi_error_e parse_udp_encap_list( vapi_ctx_t ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_udp_encap_details *reply) { - if (reply == NULL || rv != VAPI_OK) - return rv; - - hc_face_t * face = (hc_face_t *)callback_ctx; - - if (face->face.netdevice.index == reply->udp_encap.id) - { - switch(reply->udp_encap.src_ip.af) { - case ADDRESS_IP4: - { - memcpy(&face->face.local_addr.v4, &(reply->udp_encap.src_ip.un.ip4), sizeof(ip4_address_t)); - memcpy(&face->face.remote_addr.v4, &(reply->udp_encap.dst_ip.un.ip4), sizeof(ip4_address_t)); - break; - } - case ADDRESS_IP6: - { - memcpy(&face->face.local_addr.v6, &(reply->udp_encap.src_ip.un.ip6), sizeof(ip6_address_t)); - memcpy(&face->face.remote_addr.v6, &(reply->udp_encap.dst_ip.un.ip6), sizeof(ip6_address_t)); - break; - } - default: - break; - } - - face->face.local_port = reply->udp_encap.src_port; - face->face.remote_port = reply->udp_encap.dst_port; - } - return rv; -} - -static int _fill_face_with_info(hc_face_t * face, vapi_type_fib_path *path, hc_sock_t *s) { - switch(path->type){ - case FIB_API_PATH_FLAG_NONE: - { - face->face.type = FACE_TYPE_HICN; - switch(path->proto){ - case FIB_API_PATH_NH_PROTO_IP4: - memcpy(&face->face.remote_addr.v4, &(path->nh.address.ip4), sizeof(ip4_address_t)); - break; - case FIB_API_PATH_NH_PROTO_IP6: - memcpy(&face->face.remote_addr.v6, &(path->nh.address.ip6), sizeof(ip6_address_t)); - break; - default: - break; - } - face->face.netdevice.index = path->sw_if_index; - } - break; - case FIB_API_PATH_TYPE_UDP_ENCAP: - { - face->face.type = FACE_TYPE_UDP; - face->face.netdevice.index = clib_net_to_host_u32(path->nh.obj_id); - // Let's make the compiler happy - (void)parse_udp_encap_list; - //vapi_msg_udp_encap_dump *msg; - //msg = vapi_alloc_udp_encap_dump(s->g_vapi_ctx_instance); - //vapi_udp_encap_dump(s->g_vapi_ctx_instance, msg, parse_udp_encap_list, face); - } - break; - default: - return -1; - } - return 0; -} - -/* ROUTE LIST */ -typedef struct hicn_route_socket_s { - hc_data_t *data; - hc_sock_t *s; -} hicn_route_socket_t; - -static vapi_error_e parse_route_list( vapi_ctx_t ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_ip_route_details *reply) { - - if (reply == NULL || rv != VAPI_OK) - return rv; - - hicn_route_socket_t *rs = (hicn_route_socket_t *)callback_ctx; - hc_data_t *data = rs->data; - - u8 found = false; - for (int j = 0; j < reply->route.n_paths; j++){ - for (int i = 0; i < data->size && !found; i++) { - hc_route_t * route = &((hc_route_t*)(data->buffer))[i]; - - if(ip46_address_is_ip4((ip46_address_t *)&(route->remote_addr)) && - memcmp(route->remote_addr.v4.as_u8, reply->route.prefix.address.un.ip4, sizeof(ip4_address_t)) == 0 && - route->len == reply->route.prefix.len && route->face_id == ~0) { - _fill_face_with_info(&(route->face), &reply->route.paths[j], rs->s); - found = true; - } else if (memcmp(route->remote_addr.v6.as_u8, reply->route.prefix.address.un.ip6, sizeof(ip6_address_t)) == 0 && - route->len == reply->route.prefix.len && route->face_id == ~0) { - _fill_face_with_info(&(route->face), &reply->route.paths[j], rs->s); - found = true; - } - } - } - - return rv; -} - -static vapi_error_e parse_hicn_route_list( vapi_ctx_t ctx, - void *callback_ctx, - vapi_error_e rv, - bool is_last, - vapi_payload_hicn_api_routes_details *reply) { - - if (reply == NULL || rv != VAPI_OK) - return rv; - - hc_data_t *data = (hc_data_t *)callback_ctx; - - int empty_spots = data->size - data->current; - if (empty_spots < reply->nfaces) { - int new_size = data->size + (reply->nfaces - empty_spots); - data->buffer = realloc(data->buffer, sizeof(hc_route_t) * (new_size)); - if (!data->buffer) - return VAPI_ENOMEM; - - data->size =new_size; - } - - for (int i = 0; i < reply->nfaces; i++) { - hc_route_t * route = &((hc_route_t*)(data->buffer))[data->current]; - route->face_id = ~0; - route->cost = 1; - route->len = reply->prefix.len; - if (reply->prefix.address.af == ADDRESS_IP6) - { - memcpy(route->remote_addr.v6.as_u8, reply->prefix.address.un.ip6, 16); - } - else - { - memcpy(route->remote_addr.v4.as_u8, reply->prefix.address.un.ip4, 4); - } - route->family = reply->prefix.address.af == ADDRESS_IP6? AF_INET6 : AF_INET; - data->current++; - } - - return rv; -} - -static int _hc_route_list_internal(hc_sock_t *socket, hc_data_t **pdata, bool async) { - hc_sock_vpp_t *s = TO_HC_SOCK_VPP(socket); - vapi_lock(); - - vapi_msg_hicn_api_routes_dump *msg; - msg = vapi_alloc_hicn_api_routes_dump(s->g_vapi_ctx_instance); - - hc_data_t *data = hc_data_create(0, sizeof(hc_route_t),NULL); - int ret = VAPI_OK; - - if (!data){ - ret = -1; - goto err; - } - - data->buffer = malloc(sizeof(hc_route_t)); - data->size = 1; - - if (!data->buffer) { - ret = -1; - goto err_free; - } - - ret = vapi_hicn_api_routes_dump(s->g_vapi_ctx_instance, msg, parse_hicn_route_list, data); - - if (ret != VAPI_OK) - goto err_free; - - vapi_msg_ip_route_dump *hicnp_msg; - hicnp_msg = vapi_alloc_ip_route_dump(s->g_vapi_ctx_instance); - hicnp_msg->payload.table.table_id = 0; - hicnp_msg->payload.table.is_ip6 = 1; - - hicn_route_socket_t ctx = { - .data = data, - .s = socket, - }; - - ret = vapi_ip_route_dump(s->g_vapi_ctx_instance, hicnp_msg, parse_route_list, &ctx); - - hicnp_msg = vapi_alloc_ip_route_dump(s->g_vapi_ctx_instance); - hicnp_msg->payload.table.table_id = 0; - hicnp_msg->payload.table.is_ip6 = 0; - - ret = vapi_ip_route_dump(s->g_vapi_ctx_instance, hicnp_msg, parse_route_list, &ctx); - - if (ret != VAPI_OK) - goto err_free; - - *pdata = data; - - vapi_unlock(); - return ret; - - err_free: - free(data); - err: - vapi_unlock(); - return ret; -} - -static int _hc_route_list(hc_sock_t *s, hc_data_t **pdata) { - return _hc_route_list_internal(s, pdata, false); -} - -static int _hc_route_list_async(hc_sock_t *s) { - return _hc_route_list_internal(s, NULL, true); -} - -/*----------------------------------------------------------------------------* - * Face - * - * Face support is not directly available in hicn-light, but we can offer such - * an interface through a combination of listeners and connections. The code - * starts with some conversion functions between faces/listeners/connections. - * - * We also need to make sure that there always exist a (single) listener when a - * connection is created, and in the hICN face case, that there is a single - * connection attached to this listener. - * - *----------------------------------------------------------------------------*/ - -static int _hc_face_create(hc_sock_t *s, hc_face_t *face) { - ERROR("Face creation implemented."); - return -1; -} - -static int _hc_face_get(hc_sock_t * socket, hc_face_t * face, hc_face_t ** face_found) { - ERROR("Face deletion not implemented."); - return -1; -} - -static int _hc_face_delete(hc_sock_t *s, hc_face_t *face) { - ERROR("Face deletion not implemented."); - return -1; -} - -/* FACE LIST */ - -static int _hc_face_list(hc_sock_t *s, hc_data_t **pdata) { - ERROR("Face list not implemented."); - return -1; -} - -static int _hc_face_list_async(hc_sock_t *s) { - return 0; -} - -static int _hc_face_set_admin_state( - hc_sock_t *s, const char *conn_id_or_name, // XXX wrong identifier - face_state_t admin_state) { - return 0; -} - -#ifdef WITH_POLICY -static int _hc_face_set_priority(hc_sock_t * s, const char * conn_id_or_name, uint32_t priority) { - ERROR("Face set priority not implemented."); - return -1; -} - -static int _hc_face_set_tags(hc_sock_t * s, const char * conn_id_or_name, policy_tags_t tags) { - ERROR("Face set tags not implemented."); - return -1; -} -#endif // WITH_POLICY - -/*----------------------------------------------------------------------------* - * Punting - *----------------------------------------------------------------------------*/ - -static int _hc_punting_create_internal(hc_sock_t *s, hc_punting_t *punting, bool async) { - return -1; -} - -static int _hc_punting_create(hc_sock_t *s, hc_punting_t *punting) { - return _hc_punting_create_internal(s, punting, false); -} - -static int _hc_punting_create_async(hc_sock_t *s, hc_punting_t *punting) { - return _hc_punting_create_internal(s, punting, true); -} - -static int _hc_punting_get(hc_sock_t *s, hc_punting_t *punting, - hc_punting_t **punting_found) { - ERROR("hc_punting_get not (yet) implemented."); - return -1; -} - -static int _hc_punting_delete(hc_sock_t *s, hc_punting_t *punting) { - ERROR("hc_punting_delete not (yet) implemented."); - return -1; -} - -static int _hc_punting_list(hc_sock_t *s, hc_data_t **pdata) { - ERROR("hc_punting_list not (yet) implemented."); - return -1; -} - -/*----------------------------------------------------------------------------* - * Cache - *----------------------------------------------------------------------------*/ - -static int _hc_cache_set_store_internal(hc_sock_t *s, int enabled, bool async) { - return 0; -} - -static int _hc_cache_set_store(hc_sock_t *s, int enabled) { - return _hc_cache_set_store_internal(s, enabled, false); -} - -static int _hc_cache_set_store_async(hc_sock_t *s, int enabled) { - return _hc_cache_set_store_internal(s, enabled, true); -} - -static int _hc_cache_set_serve_internal(hc_sock_t *s, int enabled, bool async) { - return 0; -} - -static int _hc_cache_set_serve(hc_sock_t *s, int enabled) { - return _hc_cache_set_serve_internal(s, enabled, false); -} - -static int _hc_cache_set_serve_async(hc_sock_t *s, int enabled) { - return _hc_cache_set_serve_internal(s, enabled, true); -} - -/*----------------------------------------------------------------------------* - * Strategy - *----------------------------------------------------------------------------*/ - -// per prefix -static int _hc_strategy_set(hc_sock_t *s /* XXX */) { return 0; } - -static int _hc_strategy_list(hc_sock_t *s, hc_data_t **data) { - return 0; -} - -/*----------------------------------------------------------------------------* - * WLDR - *----------------------------------------------------------------------------*/ - -// per connection -static int _hc_wldr_set(hc_sock_t *s /* XXX */) { return 0; } - -/*----------------------------------------------------------------------------* - * MAP-Me - *----------------------------------------------------------------------------*/ - -static int _hc_mapme_set(hc_sock_t *s, int enabled) { return 0; } - -static int _hc_mapme_set_discovery(hc_sock_t *s, int enabled) { return 0; } - -static int _hc_mapme_set_timescale(hc_sock_t *s, double timescale) { return 0; } - -static int _hc_mapme_set_retx(hc_sock_t *s, double timescale) { return 0; } - -/*----------------------------------------------------------------------------* - * Policy - *----------------------------------------------------------------------------*/ - -#ifdef WITH_POLICY - -/* POLICY CREATE */ - -static int _hc_policy_create_internal(hc_sock_t * socket, hc_policy_t * policy, bool async) { - return -1; -} - -static int -_hc_policy_create(hc_sock_t * s, hc_policy_t * policy) { - return _hc_policy_create_internal(s, policy, false); -} - -static int _hc_policy_create_async(hc_sock_t * s, hc_policy_t * policy) { - return _hc_policy_create_internal(s, policy, true); -} - -/* POLICY DELETE */ - -static int _hc_policy_delete_internal(hc_sock_t * socket, hc_policy_t * policy, bool async) { - return -1; -} - -static int _hc_policy_delete(hc_sock_t * s, hc_policy_t * policy) { - return _hc_policy_delete_internal(s, policy, false); -} - -static int _hc_policy_delete_async(hc_sock_t * s, hc_policy_t * policy) { - return _hc_policy_delete_internal(s, policy, true); -} - -/* POLICY LIST */ - -static int -_hc_policy_list_internal(hc_sock_t * socket, hc_data_t ** pdata, bool async) { - return -1; -} - -static int _hc_policy_list(hc_sock_t * s, hc_data_t ** pdata) { - return _hc_policy_list_internal(s, pdata, false); -} - -static int _hc_policy_list_async(hc_sock_t * s, hc_data_t ** pdata) { - return _hc_policy_list_internal(s, pdata, true); -} - -#endif /* WITH_POLICY */ - -static hc_sock_t hc_sock_vpp_interface = (hc_sock_t) { - .hc_sock_get_next_seq = _hc_sock_vpp_get_next_seq, - .hc_sock_set_nonblocking = _hc_sock_vpp_set_nonblocking, - .hc_sock_get_fd = _hc_sock_vpp_get_fd, - .hc_sock_connect = _hc_sock_vpp_connect, - .hc_sock_get_available = _hc_sock_vpp_get_available, - .hc_sock_send = _hc_sock_vpp_send, - .hc_sock_recv = _hc_sock_vpp_recv, - .hc_sock_process = _hc_sock_vpp_process, - .hc_sock_callback = _hc_sock_vpp_callback, - .hc_sock_reset = _hc_sock_vpp_reset, - .hc_sock_free = _hc_sock_vpp_free, - .hc_listener_create = _hc_listener_create, - .hc_listener_create_async = _hc_listener_create_async, - .hc_listener_get = _hc_listener_get, - .hc_listener_delete = _hc_listener_delete, - .hc_listener_delete_async = _hc_listener_delete_async, - .hc_listener_list = _hc_listener_list, - .hc_listener_list_async = _hc_listener_list_async, - .hc_connection_create = _hc_connection_create, - .hc_connection_create_async = _hc_connection_create_async, - .hc_connection_get = _hc_connection_get, - .hc_connection_update_by_id = _hc_connection_update_by_id, - .hc_connection_update = _hc_connection_update, - .hc_connection_delete = _hc_connection_delete, - .hc_connection_delete_async = _hc_connection_delete_async, - .hc_connection_list = _hc_connection_list, - .hc_connection_list_async = _hc_connection_list_async, - .hc_connection_set_admin_state = _hc_connection_set_admin_state, - .hc_connection_set_admin_state_async = _hc_connection_set_admin_state_async, - -#ifdef WITH_POLICY - .hc_connection_set_priority = _hc_connection_set_priority, - .hc_connection_set_priority_async = _hc_connection_set_priority_async, - .hc_connection_set_tags = _hc_connection_set_tags, - .hc_connection_set_tags_async = _hc_connection_set_tags_async, -#endif // WITH_POLICY - - .hc_face_create = _hc_face_create, - .hc_face_get = _hc_face_get, - .hc_face_delete = _hc_face_delete, - .hc_face_list = _hc_face_list, - .hc_face_list_async = _hc_face_list_async, - .hc_face_set_admin_state = _hc_face_set_admin_state, - -#ifdef WITH_POLICY - .hc_face_set_priority = _hc_face_set_priority, - .hc_face_set_tags = _hc_face_set_tags, -#endif // WITH_POLICY - - .hc_route_create = _hc_route_create, - .hc_route_create_async = _hc_route_create_async, - .hc_route_delete = _hc_route_delete, - .hc_route_delete_async = _hc_route_delete_async, - .hc_route_list = _hc_route_list, - .hc_route_list_async = _hc_route_list_async, - - .hc_punting_create = _hc_punting_create, - .hc_punting_create_async = _hc_punting_create_async, - .hc_punting_get = _hc_punting_get, - .hc_punting_delete = _hc_punting_delete, - .hc_punting_list = _hc_punting_list, - - .hc_cache_set_store = _hc_cache_set_store, - .hc_cache_set_store_async = _hc_cache_set_store_async, - .hc_cache_set_serve = _hc_cache_set_serve, - .hc_cache_set_serve_async = _hc_cache_set_serve_async, - - .hc_strategy_list = _hc_strategy_list, - .hc_strategy_set = _hc_strategy_set, - .hc_wldr_set = _hc_wldr_set, - - .hc_mapme_set = _hc_mapme_set, - .hc_mapme_set_discovery = _hc_mapme_set_discovery, - .hc_mapme_set_timescale = _hc_mapme_set_timescale, - .hc_mapme_set_retx = _hc_mapme_set_retx, - -#ifdef WITH_POLICY - .hc_policy_create = _hc_policy_create, - .hc_policy_create_async = _hc_policy_create_async, - .hc_policy_delete = _hc_policy_delete, - .hc_policy_delete_async = _hc_policy_delete_async, - .hc_policy_list = _hc_policy_list, - .hc_policy_list_async = _hc_policy_list_async -#endif // WITH_POLICY -}; - -hc_sock_t *_hc_sock_create_url(const char *url) { - // NOT IMPLEMENTED - return NULL; -} - -hc_sock_t *_hc_sock_create(void) { - hc_sock_vpp_t *s = malloc(sizeof(hc_sock_vpp_t)); - - if (!s) goto ERR_SOCK; - - memset(s, 0, sizeof(hc_sock_vpp_t)); - - s->vft = hc_sock_vpp_interface; - - // By default the socket is blocking -- not async - s->async = 0; - - return (hc_sock_t *)(s); - -ERR_SOCK: - return NULL; -}
\ No newline at end of file |