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/*
* Copyright (c) 2017-2019 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 <src/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <parc/algol/parc_ArrayList.h>
#include <parc/algol/parc_BufferComposer.h>
#include <parc/algol/parc_Memory.h>
#include <parc/algol/parc_Object.h>
#include <src/utils/addressList.h>
#include <src/utils/interface.h>
#include <parc/assert/parc_Assert.h>
#include <src/utils/commands.h>
struct interface {
char *name;
unsigned interfaceIndex;
bool loopback;
bool supportMulticast;
unsigned mtu;
AddressList *addressList;
};
char *interfaceToString(const Interface *interface) {
PARCBufferComposer *composer = parcBufferComposer_Create();
parcBufferComposer_Format(
composer, "%3u %10s %1s%1s %8u ", interface->interfaceIndex,
interface->name, interface->loopback ? "l" : " ",
interface->supportMulticast ? "m" : " ", interface->mtu);
for (size_t i = 0; i < addressListLength(interface->addressList); i++) {
addressBuildString(addressListGetItem(interface->addressList, i), composer);
if (i < (addressListLength(interface->addressList) - 1)) {
parcBufferComposer_PutStrings(composer, "\n", NULL);
}
}
PARCBuffer *tempBuffer = parcBufferComposer_ProduceBuffer(composer);
char *result = parcBuffer_ToString(tempBuffer);
parcBuffer_Release(&tempBuffer);
parcBufferComposer_Release(&composer);
return result;
}
Interface *interfaceCreate(const char *name, unsigned interfaceIndex,
bool loopback, bool supportMulticast, unsigned mtu) {
Interface *iface = parcMemory_AllocateAndClear(sizeof(Interface));
parcAssertNotNull(iface, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(Interface));
iface->name = parcMemory_StringDuplicate(name, 64);
iface->interfaceIndex = interfaceIndex;
iface->loopback = loopback;
iface->supportMulticast = supportMulticast;
iface->mtu = mtu;
iface->addressList = addressListCreate();
return iface;
}
void interfaceDestroy(Interface **interfacePtr) {
parcAssertNotNull(interfacePtr, "Parameter must be non-null double pointer");
parcAssertNotNull(*interfacePtr,
"Parameter must dereference to non-null pointer");
Interface *iface = *interfacePtr;
parcMemory_Deallocate((void **)&iface->name);
addressListDestroy(&iface->addressList);
parcMemory_Deallocate((void **)&iface);
interfacePtr = NULL;
}
void interfaceAddAddress(Interface *iface, Address *address) {
parcAssertNotNull(iface, "Parameter iface must be non-null");
size_t length = addressListLength(iface->addressList);
for (size_t i = 0; i < length; i++) {
const Address *a = addressListGetItem(iface->addressList, i);
if (addressEquals(a, address)) {
return;
}
}
addressListAppend(iface->addressList, address);
}
const AddressList *interfaceGetAddresses(const Interface *iface) {
parcAssertNotNull(iface, "Parameter iface must be non-null");
return iface->addressList;
}
unsigned interfaceGetInterfaceIndex(const Interface *iface) {
parcAssertNotNull(iface, "Parameter iface must be non-null");
return iface->interfaceIndex;
}
bool interfaceNameEquals(const Interface *iface, const char *name) {
parcAssertNotNull(iface, "Parameter iface must be non-null");
if (strcasecmp(iface->name, name) == 0) {
return true;
}
return false;
}
bool interfaceEquals(const Interface *a, const Interface *b) {
if (a == NULL && b == NULL) {
return true;
}
if (a == NULL || b == NULL) {
return false;
}
if (a->interfaceIndex == b->interfaceIndex) {
if (a->loopback == b->loopback) {
if (a->supportMulticast == b->supportMulticast) {
if (a->mtu == b->mtu) {
if (strcasecmp(a->name, b->name) == 0) {
if (addressListEquals(a->addressList, b->addressList)) {
return true;
}
}
}
}
}
}
return false;
}
// static const char light_Iface[] = "Interface";
// static const char light_IfName[] = "Name";
// static const char light_IFIDX[] = "Index";
// static const char light_IsLoopback[] = "Loopback";
// static const char light_Multicast[] = "Multicast";
// static const char light_MTU[] = "MTU";
// static const char light_True[] = "true";
// static const char light_False[] = "false";
// static const char light_Addrs[] = "Addrs";
const char *interfaceGetName(const Interface *iface) {
parcAssertNotNull(iface, "Parameter iface must be non-null");
return iface->name;
}
unsigned interfaceGetMTU(const Interface *iface) {
parcAssertNotNull(iface, "Parameter iface must be non-null");
return iface->mtu;
}
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