From eb323e056e747d71867cf965434811c1de925de2 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Sat, 23 Mar 2019 14:13:53 +0100 Subject: [HICN-141] Definition of a C API for hicn-light Change-Id: Id861f0abe58b1e3c9ba8cc76701da0f9c6801748 Signed-off-by: Luca Muscariello Signed-off-by: Angelo Mantellini --- hicn-light/src/hicn/platforms/windows/system.c | 223 +++++++++++++++++++++ .../src/hicn/platforms/windows/win_portability.c | 50 +++++ .../src/hicn/platforms/windows/win_portability.h | 45 +++++ 3 files changed, 318 insertions(+) create mode 100644 hicn-light/src/hicn/platforms/windows/system.c create mode 100644 hicn-light/src/hicn/platforms/windows/win_portability.c create mode 100644 hicn-light/src/hicn/platforms/windows/win_portability.h (limited to 'hicn-light/src/hicn/platforms/windows') diff --git a/hicn-light/src/hicn/platforms/windows/system.c b/hicn-light/src/hicn/platforms/windows/system.c new file mode 100644 index 000000000..df2a014a6 --- /dev/null +++ b/hicn-light/src/hicn/platforms/windows/system.c @@ -0,0 +1,223 @@ +/* + * Copyright (c) 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 +#include + +#include +#include + +#include + +#include +#include + +#define WORKING_BUFFER_SIZE 15000 +#define MAX_TRIES 3 + +#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x)) +#define FREE(x) HeapFree(GetProcessHeap(), 0, (x)) + +#include +#include + +#include + +/** + * Returns the MTU for a named interface + * + * On linux, we get the MTU by opening a socket and reading SIOCGIFMTU + * + * @param [in] ifname Interface name (e.g. "eth0") + * + * @retval number The MTU in bytes + * + * Example: + * @code + * <#example#> + * @endcode + */ +static int getMtu(const char *ifname) { + PIP_ADAPTER_ADDRESSES pAddresses = NULL; + PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL; + ULONG outBufLen = 0; + ULONG flags = GAA_FLAG_INCLUDE_PREFIX; + ULONG family = AF_UNSPEC; + + DWORD dwSize = 0; + DWORD dwRetVal = 0; + ULONG Iterations = 0; + do { + pAddresses = (IP_ADAPTER_ADDRESSES *)MALLOC(outBufLen); + if (pAddresses == NULL) { + printf("Memory allocation failed for IP_ADAPTER_ADDRESSES struct\n"); + exit(1); + } + + dwRetVal = + GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen); + + if (dwRetVal == ERROR_BUFFER_OVERFLOW) { + FREE(pAddresses); + pAddresses = NULL; + } else { + break; + } + + Iterations++; + + } while ((dwRetVal == ERROR_BUFFER_OVERFLOW) && (Iterations < MAX_TRIES)); + + if (dwRetVal == NO_ERROR) { + pCurrAddresses = pAddresses; + while (pCurrAddresses) { + if (strcmp(pCurrAddresses->AdapterName, ifname)) { + int mtu = pCurrAddresses->Mtu; + if (pAddresses) { + FREE(pAddresses); + } + return mtu; + } + pCurrAddresses = pCurrAddresses->Next; + } + } + + if (pAddresses) { + FREE(pAddresses); + } + return -1; +} + +InterfaceSet *system_Interfaces(Forwarder *forwarder) { + InterfaceSet *set = interfaceSetCreate(); + + Logger *logger = forwarder_GetLogger(forwarder); + + DWORD dwSize = 0; + DWORD dwRetVal = 0; + unsigned int i = 0; + // Set the flags to pass to GetAdaptersAddresses + ULONG flags = GAA_FLAG_INCLUDE_PREFIX; + + // default to unspecified address family (both) + ULONG family = AF_UNSPEC; + + LPVOID lpMsgBuf = NULL; + + PIP_ADAPTER_ADDRESSES pAddresses = NULL; + ULONG outBufLen = 0; + ULONG Iterations = 0; + + PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL; + PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL; + PIP_ADAPTER_ANYCAST_ADDRESS pAnycast = NULL; + PIP_ADAPTER_MULTICAST_ADDRESS pMulticast = NULL; + IP_ADAPTER_DNS_SERVER_ADDRESS *pDnServer = NULL; + IP_ADAPTER_PREFIX *pPrefix = NULL; + + outBufLen = WORKING_BUFFER_SIZE; + + do { + pAddresses = (IP_ADAPTER_ADDRESSES *)MALLOC(outBufLen); + parcAssertNotNull( + pAddresses, + "Memory allocation failed for IP_ADAPTER_ADDRESSES struct\n"); + dwRetVal = + GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen); + + if (dwRetVal == ERROR_BUFFER_OVERFLOW) { + FREE(pAddresses); + pAddresses = NULL; + } else { + break; + } + + Iterations++; + + } while ((dwRetVal == ERROR_BUFFER_OVERFLOW) && (Iterations < MAX_TRIES)); + if (dwRetVal == NO_ERROR) { + // If successful, output some information from the data we received + pCurrAddresses = pAddresses; + while (pCurrAddresses) { + if (pCurrAddresses->OperStatus == IfOperStatusUp) { + Interface *iface = + interfaceSetGetByName(set, pCurrAddresses->AdapterName); + if (iface == NULL) { + pMulticast = pCurrAddresses->FirstMulticastAddress; + if (pMulticast) { + for (i = 0; pMulticast != NULL; i++) pMulticast = pMulticast->Next; + } + + iface = interfaceCreate( + pCurrAddresses->AdapterName, + forwarder_GetNextConnectionId(forwarder), + pCurrAddresses->IfType == IF_TYPE_SOFTWARE_LOOPBACK, i > 0, + pCurrAddresses->Mtu); + + interfaceSetAdd(set, iface); + for (pUnicast = pCurrAddresses->FirstUnicastAddress; pUnicast != NULL; + pUnicast = pUnicast->Next) { + int family = pUnicast->Address.lpSockaddr->sa_family; + + switch (family) { + case AF_INET: { + char *ip = inet_ntoa( + ((struct sockaddr_in *)(pUnicast->Address.lpSockaddr)) + ->sin_addr); + Address *address = addressCreateFromInet( + (struct sockaddr_in *)(pUnicast->Address.lpSockaddr)); + interfaceAddAddress(iface, address); + break; + } + + case AF_INET6: { + char str[INET6_ADDRSTRLEN]; + inet_ntop( + AF_INET6, + &((struct sockaddr_in6 *)(pUnicast->Address.lpSockaddr)) + ->sin6_addr, + str, INET6_ADDRSTRLEN); + Address *address = addressCreateFromInet6( + (struct sockaddr_in6 *)(pUnicast->Address.lpSockaddr)); + interfaceAddAddress(iface, address); + break; + } + + default: + break; + } + } + } + } + pCurrAddresses = pCurrAddresses->Next; + } + } + + if (pAddresses) { + FREE(pAddresses); + } + return set; +} + +Address *system_GetMacAddressByName(Forwarder *forwarder, + const char *interfaceName) { + return NULL; +} + +unsigned system_InterfaceMtu(Forwarder *forwarder, const char *interfaceName) { + unsigned mtu = 0; + + return mtu; +} diff --git a/hicn-light/src/hicn/platforms/windows/win_portability.c b/hicn-light/src/hicn/platforms/windows/win_portability.c new file mode 100644 index 000000000..3138640dd --- /dev/null +++ b/hicn-light/src/hicn/platforms/windows/win_portability.c @@ -0,0 +1,50 @@ +/* + * Copyright (c) 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. + */ + +#pragma once + +#include + +int getline(char **lineptr, size_t *n, FILE *stream) { + static char line[256]; + char *ptr; + unsigned int len; + + if (lineptr == NULL || n == NULL) { + errno = EINVAL; + return -1; + } + + if (ferror(stream)) return -1; + + if (feof(stream)) return -1; + + fgets(line, 256, stream); + + ptr = strchr(line, '\n'); + if (ptr) *ptr = '\0'; + + len = (unsigned int)strlen(line); + + if ((len + 1) < 256) { + ptr = (char *)realloc(*lineptr, 256); + if (ptr == NULL) return (-1); + *lineptr = ptr; + *n = 256; + } + + strcpy(*lineptr, line); + return (len); +} \ No newline at end of file diff --git a/hicn-light/src/hicn/platforms/windows/win_portability.h b/hicn-light/src/hicn/platforms/windows/win_portability.h new file mode 100644 index 000000000..5c25f4bb2 --- /dev/null +++ b/hicn-light/src/hicn/platforms/windows/win_portability.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 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. + */ + +#pragma once +#include +#include +#include +#include +#include +#include +#pragma comment(lib, "IPHLPAPI.lib") + +#ifndef in_port_t +#define in_port_t uint16_t +#endif + +#ifndef in_addr_t +#define in_addr_t uint32_t +#endif + +#ifndef strncasecmp +#define strncasecmp _strnicmp +#endif + +#ifndef strcasecmp +#define strcasecmp _stricmp +#endif + +#define HAVE_STRUCT_TIMESPEC + +#ifndef getline +int getline(char **lineptr, size_t *n, FILE *stream); +#endif \ No newline at end of file -- cgit 1.2.3-korg