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/*
* Copyright (c) 2018 HUACHENTEL 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 "sc_vpp_comm.h"
#include <assert.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#define APP_NAME "sweetcomb_vpp"
#define MAX_OUTSTANDING_REQUESTS 4
#define RESPONSE_QUEUE_SIZE 2
vapi_ctx_t g_vapi_ctx_instance = NULL;
vapi_mode_e g_vapi_mode = VAPI_MODE_NONBLOCKING;
//////////////////////////
int sc_connect_vpp()
{
SC_INVOKE_BEGIN;
// SC_LOG_DBG("*******cts %p \n", g_vapi_ctx_instance);
if (g_vapi_ctx_instance == NULL)
{
vapi_error_e rv = vapi_ctx_alloc(&g_vapi_ctx_instance);
rv = vapi_connect(g_vapi_ctx_instance, APP_NAME, NULL, MAX_OUTSTANDING_REQUESTS, RESPONSE_QUEUE_SIZE, VAPI_MODE_BLOCKING, true);
if (rv != VAPI_OK)
{
SC_LOG_ERR("*connect %s failed with error code %d", APP_NAME, rv);
vapi_ctx_free(g_vapi_ctx_instance);
g_vapi_ctx_instance = NULL;
return -1;
}
SC_LOG_DBG("*connected %s ok", APP_NAME);
}
else
{
SC_LOG_DBG("connection %s keeping", APP_NAME);
}
SC_INVOKE_END;
return 0;
}
int sc_disconnect_vpp()
{
if (NULL != g_vapi_ctx_instance)
{
vapi_disconnect(g_vapi_ctx_instance);
vapi_ctx_free(g_vapi_ctx_instance);
g_vapi_ctx_instance = NULL;
}
return 0;
}
int sc_end_with(const char* str, const char* end)
{
if (str != NULL && end != NULL)
{
int l1 = strlen(str);
int l2 = strlen(end);
if (l1 >= l2)
{
if (strcmp(str + l1 - l2, end) == 0)
return 1;
}
}
return 0;
}
bool sc_aton(const char *cp, u8 * buf, size_t length)
{
ARG_CHECK2(false, cp, buf);
struct in_addr addr;
int ret = inet_aton(cp, &addr);
if (0 == ret)
{
SC_LOG_DBG("error: ipv4 address %s", cp);
return false;
}
if (sizeof(addr) > length) {
SC_LOG_DBG_MSG("error: small buffer");
return false;
}
memcpy(buf, &addr, sizeof (addr));
return true;
}
char* sc_ntoa(const u8 * buf)
{
ARG_CHECK(NULL, buf);
struct in_addr addr;
memcpy(&addr, buf, sizeof(addr));
return inet_ntoa(addr);
}
vapi_error_e
vapi_retval_cb(const char* func_name, i32 retval)
{
if (retval)
{
SC_LOG_DBG("%s: bad retval=%d", func_name, retval);
}
return VAPI_OK;
}
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