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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 <scvpp/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 = NULL;
vapi_mode_e g_vapi_mode = VAPI_MODE_NONBLOCKING;
int sc_connect_vpp()
{
if (g_vapi_ctx == NULL)
{
vapi_error_e rv = vapi_ctx_alloc(&g_vapi_ctx);
if (rv != VAPI_OK) {
g_vapi_ctx = NULL;
return -1;
}
rv = vapi_connect(g_vapi_ctx, APP_NAME, NULL,
MAX_OUTSTANDING_REQUESTS, RESPONSE_QUEUE_SIZE,
VAPI_MODE_BLOCKING, true);
if (rv != VAPI_OK)
{
vapi_ctx_free(g_vapi_ctx);
g_vapi_ctx = NULL;
return -1;
}
}
return 0;
}
int sc_disconnect_vpp()
{
if (NULL != g_vapi_ctx)
{
vapi_disconnect(g_vapi_ctx);
vapi_ctx_free(g_vapi_ctx);
g_vapi_ctx = 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;
}
int 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)
return -EINVAL;
if (sizeof(addr) > length)
return -EINVAL;
memcpy(buf, &addr, sizeof (addr));
return 0;
}
char* sc_ntoa(const u8 * buf)
{
ARG_CHECK(NULL, buf);
struct in_addr addr;
memcpy(&addr, buf, sizeof(addr));
return inet_ntoa(addr);
}
int sc_pton(int af, const char *cp, u8 * buf)
{
ARG_CHECK2(false, cp, buf);
int ret = inet_pton(af, cp, buf);
if (0 == ret)
return -EINVAL;
return 0;
}
const char* sc_ntop(int af, const u8 * buf, char *addr)
{
ARG_CHECK(NULL, buf);
ARG_CHECK(NULL, addr);
socklen_t size = 0;
if (af == AF_INET)
size = INET_ADDRSTRLEN;
else if (af == AF_INET6)
size = INET6_ADDRSTRLEN;
else
return NULL;
return inet_ntop(af, (void*)buf, addr, size);
}
/**
* @brief Function converts the u8 array from network byte order to host byte order.
*
* @param[in] host IPv4 address.
* @return host byte order value.
*/
uint32_t hardntohlu32(uint8_t host[4])
{
uint32_t tmp = host[3] | host[2] | host[1] | host[0];
return ntohl(tmp);
}
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