vom: migration from scvpp to vom

Change-Id: I79609f0bee9b8307da0d9bf704babe8ba06dba4d
Signed-off-by: YohanPipereau <ypiperea@cisco.com>
Co-authored-by: Pavel Kotucek <pavel.kotucek@pantheon.tech>
Co-authored-by: Andrej Kozemcak <andrej.kozemcak@pantheon.tech>

1 files changed, 0 insertions, 525 deletions

diff --git a/src/plugins/ietf/ietf_nat.c b/src/plugins/ietf/ietf_nat.c
deleted file mode 100644
index 86b700f..0000000
--- a/src/plugins/ietf/ietf_nat.c
+++ /dev/null
@@ -1,525 +0,0 @@
-/*
- * Copyright (c) 2019 PANTHEON.tech.
- *
- * 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 <scvpp/comm.h>
-#include <scvpp/interface.h>
-#include <scvpp/nat.h>
-
-#include <sc_plugins.h>
-
-#include <assert.h>
-#include <string.h>
-#include <sysrepo.h>
-#include <sysrepo/xpath.h>
-#include <sysrepo/values.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-/**
- * @brief Wrapper struct for VAPI address range payload.
- */
-struct address_range_t {
-    nat44_add_del_address_range_t payload; //< VAPI payload for address range.
-    bool last_ip_address_set; //< Variable last_ip_address in payload is set.
-};
-
-// Check input structure, set VAPI payload and call VAPI function to set
-// nat44 address range.
-static sr_error_t set_address_range(struct address_range_t *address_r)
-{
-    sr_error_t rc = SR_ERR_OK;
-//     char tmp_ip1[VPP_IP4_ADDRESS_STRING_LEN];
-//     char tmp_ip2[VPP_IP4_ADDRESS_STRING_LEN];
-
-    ARG_CHECK(SR_ERR_INVAL_ARG, address_r);
-
-    //if end of IP range not provided, then range size = 1 with only first ip
-    if (!address_r->last_ip_address_set) {
-        memcpy(&address_r->payload.last_ip_address[0],
-               &address_r->payload.first_ip_address[0],
-               VPP_IP4_ADDRESS_LEN);
-    }
-
-    if (hardntohlu32(address_r->payload.last_ip_address) <
-        hardntohlu32(address_r->payload.first_ip_address)) {
-        SRP_LOG_ERR_MSG("End address less than start address");
-        return SR_ERR_INVAL_ARG;
-    }
-
-//     strncpy(tmp_ip1, sc_ntoa(address_r->payload.first_ip_address),
-//             VPP_IP4_ADDRESS_STRING_LEN);
-//     strncpy(tmp_ip2, sc_ntoa(address_r->payload.last_ip_address),
-//             VPP_IP4_ADDRESS_STRING_LEN);
-//     SRP_LOG_DBG("Fist ip address: %s, last ip address: %s, twice_nat: %u,"
-//                 "is_add: %u", tmp_ip1, tmp_ip2, address_r->payload.twice_nat,
-//                 address_r->payload.is_add);
-
-    int rv = nat44_add_del_addr_range(&address_r->payload);
-    if (0 != rv) {
-        SRP_LOG_ERR_MSG("Failed set address range.");
-        rc = SR_ERR_OPERATION_FAILED;
-    }
-
-    return rc;
-}
-
-// parse leaf from this xpath:
-// /ietf-nat:nat/instances/instance[id='%s']/policy[id='%s']/external-ip-address-pool[pool-id='%s']/
-static int parse_instance_policy_external_ip_address_pool(
-    const sr_val_t *val, struct address_range_t *address_range)
-{
-    int rc;
-    char tmp_str[VPP_IP4_PREFIX_STRING_LEN] = {0};
-    uint8_t prefix = 0;
-
-    ARG_CHECK2(SR_ERR_INVAL_ARG, val, address_range);
-
-    if (sr_xpath_node_name_eq(val->xpath, "pool-id")) {
-        SRP_LOG_WRN("%s not supported.", val->xpath);
-    } else if(sr_xpath_node_name_eq(val->xpath, "external-ip-pool")) {
-        rc = prefix2ip4(tmp_str, val->data.string_val, &prefix);
-        if (0 != rc) {
-            SRP_LOG_ERR_MSG("Error translate");
-            return SR_ERR_INVAL_ARG;
-        }
-
-        rc = sc_aton(tmp_str, address_range->payload.first_ip_address,
-                     VPP_IP4_ADDRESS_LEN);
-        if (0 != rc) {
-            SRP_LOG_ERR_MSG("Failed convert string IP address to int.");
-            return SR_ERR_INVAL_ARG;
-        }
-
-        if (prefix < VPP_IP4_HOST_PREFIX_LEN) {
-            // External IP pool is represented as IPv4 prefix in YANG module.
-            // VPP support range from first IPv4 address to last IPv4 address, not prefix.
-            // In this concept the broadcast IPv4 address of this IPv4 prefix,
-            // represent last IPv4 address for VPP
-            get_last_ip_address(
-                (sc_ipv4_addr*) &address_range->payload.last_ip_address[0],
-                (sc_ipv4_addr*) &address_range->payload.first_ip_address[0],
-                prefix);
-            address_range->last_ip_address_set = true;
-        }
-    }
-
-    return SR_ERR_OK;
-}
-
-// XPATH: /ietf-nat:nat/instances/instance[id='%s']/policy[id='%s']/external-ip-address-pool[pool-id='%s']/
-static int instances_instance_policy_external_ip_address_pool_cb(
-    sr_session_ctx_t *ds, const char *xpath, sr_notif_event_t event,
-    void *private_ctx)
-{
-    UNUSED(private_ctx);
-    sr_error_t rc = SR_ERR_OK;
-    sr_change_iter_t *it = NULL;
-    sr_change_oper_t oper;
-    sr_val_t *old_val = NULL;
-    sr_val_t *new_val = NULL;
-    bool create = false;
-    bool delete = false;
-    struct address_range_t new_address_r = {0};
-    struct address_range_t old_address_r = {0};
-
-    ARG_CHECK2(SR_ERR_INVAL_ARG, ds, xpath);
-
-    SRP_LOG_INF("In %s", __FUNCTION__);
-
-    new_address_r.payload.vrf_id = ~0;
-    old_address_r.payload.vrf_id = ~0;
-
-    SRP_LOG_DBG("'%s' modified, event=%d", xpath, event);
-
-    if (event != SR_EV_APPLY) {
-        return SR_ERR_OK;
-    }
-
-    if (sr_get_changes_iter(ds, (char *)xpath, &it) != SR_ERR_OK) {
-        // in example he calls even on fale
-        sr_free_change_iter(it);
-        return SR_ERR_OK;
-    }
-
-    foreach_change (ds, it, oper, old_val, new_val) {
-
-        SRP_LOG_DBG("A change detected in '%s', op=%d",
-                    new_val ? new_val->xpath : old_val->xpath, oper);
-
-        switch (oper) {
-            case SR_OP_CREATED:
-                create = true;
-                rc = parse_instance_policy_external_ip_address_pool(new_val,
-                                                                &new_address_r);
-                break;
-
-            case SR_OP_MODIFIED:
-                delete = true;
-                rc = parse_instance_policy_external_ip_address_pool(old_val,
-                                                                &old_address_r);
-                if (SR_ERR_OK != rc) {
-                    break;
-                }
-
-                create = true;
-                rc = parse_instance_policy_external_ip_address_pool(new_val,
-                                                                &new_address_r);
-                break;
-
-            case SR_OP_MOVED:
-                break;
-
-            case SR_OP_DELETED:
-                delete = true;
-                rc = parse_instance_policy_external_ip_address_pool(old_val,
-                                                                &old_address_r);
-                break;
-        }
-
-        sr_free_val(old_val);
-        sr_free_val(new_val);
-
-        if (SR_ERR_OK != rc) {
-            rc = SR_ERR_OPERATION_FAILED;
-            goto error;
-        }
-    }
-
-    if (delete) {
-        old_address_r.payload.is_add = 0;
-        rc = set_address_range(&old_address_r);
-        if (SR_ERR_OK != rc) {
-            goto error;
-        }
-    }
-
-    if (create) {
-        new_address_r.payload.is_add = 1;
-        rc = set_address_range(&new_address_r);
-        if (SR_ERR_OK != rc) {
-            goto error;
-        }
-    }
-
-error:
-    sr_free_change_iter(it);
-    return rc;
-}
-
-enum mapping_type {
-    STATIC,
-    DYNAMIC_IMPLICIT,
-    DYNAMIC_EXPLICIT,
-    UNKNOWN,
-};
-
-/**
- * @brief Wrapper struct for VAPI static mapping payload.
- */
-struct static_mapping_t {
-    enum mapping_type mtype; //< Mapping type
-    bool local_ip_address_set; //< Variable are set in payload.
-    bool external_ip_address_set; //< Variable are set in payload.
-    bool protocol_set; //< Variable are set in payload.
-    bool local_port_set; //< Variable are set in payload.
-    bool external_port_set; //< Variable are set in payload.
-    bool external_sw_if_index_set; //< Variable are set in payload.
-    bool vrf_id_set; //< Variable are set in payload.
-    bool twice_nat_set; //< Variable are set in payload.
-    nat44_add_del_static_mapping_t payload; //< VAPI payload for static mapping
-};
-
-// Check input structure, set VAPI payload and call VAPI function to set
-// nat44 static mapping.
-static sr_error_t set_static_mapping(struct static_mapping_t *mapping)
-{
-    int rc = 0;
-//     char tmp_ip1[VPP_IP4_ADDRESS_STRING_LEN];
-//     char tmp_ip2[VPP_IP4_ADDRESS_STRING_LEN];
-
-    ARG_CHECK(SR_ERR_INVAL_ARG, mapping);
-
-    if ((mapping->local_port_set != mapping->external_port_set) ||
-        !mapping->local_ip_address_set || !mapping->external_ip_address_set) {
-        SRP_LOG_ERR_MSG("NAT44 parameter missing.");
-
-        return SR_ERR_VALIDATION_FAILED;
-    }
-
-    if (!mapping->local_port_set && !mapping->external_port_set) {
-        //FIXME!!!!! Compile error
-//         mapping->payload.flags = NAT_IS_ADDR_ONLY;
-    } else {
-        //FIXME!!!!! Compile error
-//         mapping->payload.flags = NAT_IS_TWICE_NAT;
-        if (!mapping->protocol_set) {
-
-            SRP_LOG_ERR_MSG("NAT44 protocol missing.");
-            return SR_ERR_VALIDATION_FAILED;
-        }
-    }
-
-    mapping->payload.external_sw_if_index = ~0;
-
-//     strncpy(tmp_ip1, sc_ntoa(mapping->payload.local_ip_address),
-//             VPP_IP4_ADDRESS_STRING_LEN);
-//     strncpy(tmp_ip2, sc_ntoa(mapping->payload.external_ip_address),
-//             VPP_IP4_ADDRESS_STRING_LEN);
-//     SRP_LOG_DBG("Local ip address: %s, external ip address: %s, addr_only: %u,"
-//                 " protocol: %u, local port: %u, external port: %u, twice_nat: %u,"
-//                 "is_add: %u", tmp_ip1, tmp_ip2, mapping->payload.addr_only,
-//                 mapping->payload.protocol, mapping->payload.local_port,
-//                 mapping->payload.external_port,  mapping->payload.twice_nat,
-//                 mapping->payload.is_add);
-
-    rc = nat44_add_del_static_mapping(&mapping->payload);
-    if (0 != rc) {
-        SRP_LOG_ERR_MSG("Failed set static mapping");
-        return SR_ERR_OPERATION_FAILED;
-    }
-
-    return SR_ERR_OK;
-}
-
-// parse leaf from this xpath:
-// /ietf-nat:nat/instances/instance[id='%s']/mapping-table/mapping-entry[index='%s']/
-static int parse_instance_mapping_table_mapping_entry(
-    const sr_val_t *val,
-    struct static_mapping_t *mapping)
-{
-    int rc;
-    char tmp_str[VPP_IP4_PREFIX_STRING_LEN] = {0};
-
-    ARG_CHECK2(SR_ERR_INVAL_ARG, val, mapping);
-
-    sr_xpath_ctx_t state = {0};
-
-    if(sr_xpath_node_name_eq(val->xpath, "type")) {
-        if (!strncmp("static", val->data.string_val, strlen("static"))) {
-            mapping->mtype = STATIC;
-        } else if (!strncmp("dynamic-implicit", val->data.string_val,
-            strlen("dynamic-implicit"))) {
-            mapping->mtype = DYNAMIC_IMPLICIT;
-        } else if (!strncmp("dynamic-explicit", val->data.string_val,
-            strlen("dynamic-explicit"))) {
-                mapping->mtype = DYNAMIC_EXPLICIT;
-        }
-    } else if(sr_xpath_node_name_eq(val->xpath, "transport-protocol")) {
-        if (SR_UINT8_T != val->type) {
-            SRP_LOG_ERR("Wrong transport-protocol, type, current type: %d.",
-                        val->type);
-            return SR_ERR_INVAL_ARG;
-        }
-
-        mapping->payload.protocol = val->data.uint8_val;
-        mapping->protocol_set = true;
-    } else if(sr_xpath_node_name_eq(val->xpath, "internal-src-address")) {
-        if (SR_STRING_T != val->type) {
-            SRP_LOG_ERR("Wrong internal-src-address, type, current type: %d.",
-                        val->type);
-            return SR_ERR_INVAL_ARG;
-        }
-
-        rc = prefix2ip4(tmp_str, val->data.string_val, NULL);
-        if (0 != rc) {
-            SRP_LOG_ERR_MSG("Error translate");
-            return SR_ERR_INVAL_ARG;
-        }
-
-        rc = sc_aton(tmp_str, mapping->payload.local_ip_address,
-                     VPP_IP4_ADDRESS_LEN);
-        if (0 != rc) {
-            SRP_LOG_ERR_MSG("Failed convert string IP address to int.");
-            return SR_ERR_INVAL_ARG;
-        }
-
-        mapping->local_ip_address_set = true;
-    } else if(sr_xpath_node_name_eq(val->xpath, "external-src-address")) {
-        if (SR_STRING_T != val->type) {
-            SRP_LOG_ERR("Wrong external-src-address, type, current type: %d.",
-                        val->type);
-            return SR_ERR_INVAL_ARG;
-        }
-
-        rc = prefix2ip4(tmp_str, val->data.string_val, NULL);
-        if (0 != rc) {
-            SRP_LOG_ERR_MSG("Error translate");
-            return SR_ERR_INVAL_ARG;
-        }
-
-        rc = sc_aton(tmp_str, mapping->payload.external_ip_address,
-                     VPP_IP4_ADDRESS_LEN);
-        if (0 != rc) {
-            SRP_LOG_ERR_MSG("Failed convert string IP address to int.");
-            return SR_ERR_INVAL_ARG;
-        }
-
-        mapping->external_ip_address_set = true;
-    } else if (sr_xpath_node(val->xpath, "internal-src-port", &state)) {
-        sr_xpath_recover(&state);
-        if(sr_xpath_node_name_eq(val->xpath, "start-port-number")) {
-            mapping->local_port_set = true;
-            mapping->payload.local_port = val->data.uint16_val;
-        }
-    } else if (sr_xpath_node(val->xpath, "external-src-port", &state)) {
-        sr_xpath_recover(&state);
-        if(sr_xpath_node_name_eq(val->xpath, "start-port-number")) {
-            mapping->external_port_set = true;
-            mapping->payload.external_port = val->data.uint16_val;
-        }
-    }
-
-    return SR_ERR_OK;
-}
-
-// XPATH: /ietf-nat:nat/instances/instance[id='%s']/mapping-table/mapping-entry[index='%s']/
-static int instances_instance_mapping_table_mapping_entry_cb(
-    sr_session_ctx_t *ds, const char *xpath, sr_notif_event_t event,
-    void *private_ctx)
-{
-    UNUSED(private_ctx);
-    sr_error_t rc = SR_ERR_OK;
-    sr_change_iter_t *it = NULL;
-    sr_change_oper_t oper;
-    sr_val_t *old_val = NULL;
-    sr_val_t *new_val = NULL;
-    bool create = false;
-    bool delete = false;
-    struct static_mapping_t new_mapping = {0};
-    struct static_mapping_t old_mapping = {0};
-
-    ARG_CHECK2(SR_ERR_INVAL_ARG, ds, xpath);
-
-    SRP_LOG_INF("In %s", __FUNCTION__);
-
-    new_mapping.mtype = UNKNOWN;
-    old_mapping.mtype = UNKNOWN;
-
-    SRP_LOG_DBG("'%s' modified, event=%d", xpath, event);
-
-    if (event != SR_EV_APPLY) {
-        return SR_ERR_OK;
-    }
-
-    if (sr_get_changes_iter(ds, (char *)xpath, &it) != SR_ERR_OK) {
-        // in example he calls even on fale
-        sr_free_change_iter(it);
-        return SR_ERR_OK;
-    }
-
-    foreach_change (ds, it, oper, old_val, new_val) {
-
-        SRP_LOG_DBG("A change detected in '%s', op=%d",
-                    new_val ? new_val->xpath : old_val->xpath, oper);
-
-        switch (oper) {
-            case SR_OP_CREATED:
-                create = true;
-                rc = parse_instance_mapping_table_mapping_entry(new_val,
-                                                                &new_mapping);
-                break;
-
-            case SR_OP_MODIFIED:
-                delete = true;
-                rc = parse_instance_mapping_table_mapping_entry(old_val,
-                                                                &old_mapping);
-                if (SR_ERR_OK != rc) {
-                    break;
-                }
-
-                create = true;
-                rc = parse_instance_mapping_table_mapping_entry(new_val,
-                                                                &new_mapping);
-               break;
-
-            case SR_OP_MOVED:
-                break;
-
-            case SR_OP_DELETED:
-                delete = true;
-                rc = parse_instance_mapping_table_mapping_entry(old_val,
-                                                                &old_mapping);
-                break;
-        }
-
-        sr_free_val(old_val);
-        sr_free_val(new_val);
-
-        if (SR_ERR_OK != rc) {
-            rc = SR_ERR_OPERATION_FAILED;
-            goto error;
-        }
-    }
-
-    if (delete) {
-        old_mapping.payload.is_add = 0;
-        if (STATIC == old_mapping.mtype) {
-            rc = set_static_mapping(&old_mapping);
-            if (SR_ERR_OK != rc) {
-                goto error;
-            }
-        }
-    }
-
-    if (create) {
-        new_mapping.payload.is_add = 1;
-        if (STATIC == new_mapping.mtype) {
-            rc = set_static_mapping(&new_mapping);
-            if (SR_ERR_OK != rc) {
-                goto error;
-            }
-        }
-    }
-
-error:
-    sr_free_change_iter(it);
-    return rc;
-}
-
-int
-ietf_nat_init(sc_plugin_main_t *pm)
-{
-    int rc = SR_ERR_OK;
-    SRP_LOG_DBG_MSG("Initializing ietf-nat plugin.");
-
-    rc = sr_subtree_change_subscribe(pm->session, "/ietf-nat:nat/instances/instance/policy/external-ip-address-pool",
-            instances_instance_policy_external_ip_address_pool_cb, NULL, 0, SR_SUBSCR_CTX_REUSE, &pm->subscription);
-    if (rc != SR_ERR_OK) {
-        goto error;
-    }
-
-    rc = sr_subtree_change_subscribe(pm->session, "/ietf-nat:nat/instances/instance/mapping-table/mapping-entry",
-            instances_instance_mapping_table_mapping_entry_cb, NULL, 0, SR_SUBSCR_CTX_REUSE, &pm->subscription);
-    if (rc != SR_ERR_OK) {
-        goto error;
-    }
-
-    SRP_LOG_DBG_MSG("ietf-nat plugin initialized successfully.");
-    return SR_ERR_OK;
-
-error:
-    SRP_LOG_ERR("Error by initialization of ietf-nat plugin. Error : %d", rc);
-    return rc;
-}
-
-void
-ietf_nat_exit(__attribute__((unused)) sc_plugin_main_t *pm)
-{
-}
-
-SC_INIT_FUNCTION(ietf_nat_init);
-SC_EXIT_FUNCTION(ietf_nat_exit);