/*- * Copyright (c) 2011-2012 Irene Ruengeler * Copyright (c) 2011-2012 Michael Tuexen * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #ifdef _WIN32 #include #include #include #pragma comment(lib, "IPHLPAPI.lib") #endif #include #if !defined(_WIN32) && !defined(__Userspace_os_NaCl) int sctp_userspace_get_mtu_from_ifn(uint32_t if_index, int af) { struct ifreq ifr; int fd; if_indextoname(if_index, ifr.ifr_name); /* TODO can I use the raw socket here and not have to open a new one with each query? */ if ((fd = socket(af, SOCK_DGRAM, 0)) < 0) return (0); if (ioctl(fd, SIOCGIFMTU, &ifr) < 0) { close(fd); return (0); } close(fd); return ifr.ifr_mtu; } #endif #if defined(__Userspace_os_NaCl) int sctp_userspace_get_mtu_from_ifn(uint32_t if_index, int af) { return 1280; } #endif #ifdef _WIN32 int sctp_userspace_get_mtu_from_ifn(uint32_t if_index, int af) { PIP_ADAPTER_ADDRESSES pAdapterAddrs, pAdapt; DWORD AdapterAddrsSize, Err; AdapterAddrsSize = 0; if ((Err = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, NULL, &AdapterAddrsSize)) != 0) { if ((Err != ERROR_BUFFER_OVERFLOW) && (Err != ERROR_INSUFFICIENT_BUFFER)) { SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersAddresses() sizing failed with error code %d, AdapterAddrsSize = %d\n", Err, AdapterAddrsSize); return (-1); } } if ((pAdapterAddrs = (PIP_ADAPTER_ADDRESSES) GlobalAlloc(GPTR, AdapterAddrsSize)) == NULL) { SCTPDBG(SCTP_DEBUG_USR, "Memory allocation error!\n"); return (-1); } if ((Err = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, pAdapterAddrs, &AdapterAddrsSize)) != ERROR_SUCCESS) { SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersAddresses() failed with error code %d\n", Err); return (-1); } for (pAdapt = pAdapterAddrs; pAdapt; pAdapt = pAdapt->Next) { if (pAdapt->IfIndex == if_index) return (pAdapt->Mtu); } return (0); } void getwintimeofday(struct timeval *tv) { struct timeb tb; ftime(&tb); tv->tv_sec = (long)tb.time; tv->tv_usec = (long)(tb.millitm) * 1000L; } int Win_getifaddrs(struct ifaddrs** interfaces) { #if defined(INET) || defined(INET6) DWORD Err, AdapterAddrsSize; int count; PIP_ADAPTER_ADDRESSES pAdapterAddrs, pAdapt; struct ifaddrs *ifa; #endif #if defined(INET) struct sockaddr_in *addr; #endif #if defined(INET6) struct sockaddr_in6 *addr6; #endif #if defined(INET) || defined(INET6) count = 0; #endif #if defined(INET) AdapterAddrsSize = 0; if ((Err = GetAdaptersAddresses(AF_INET, 0, NULL, NULL, &AdapterAddrsSize)) != 0) { if ((Err != ERROR_BUFFER_OVERFLOW) && (Err != ERROR_INSUFFICIENT_BUFFER)) { SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV4Addresses() sizing failed with error code %d and AdapterAddrsSize = %d\n", Err, AdapterAddrsSize); return (-1); } } /* Allocate memory from sizing information */ if ((pAdapterAddrs = (PIP_ADAPTER_ADDRESSES) GlobalAlloc(GPTR, AdapterAddrsSize)) == NULL) { SCTPDBG(SCTP_DEBUG_USR, "Memory allocation error!\n"); return (-1); } /* Get actual adapter information */ if ((Err = GetAdaptersAddresses(AF_INET, 0, NULL, pAdapterAddrs, &AdapterAddrsSize)) != ERROR_SUCCESS) { SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV4Addresses() failed with error code %d\n", Err); return (-1); } /* Enumerate through each returned adapter and save its information */ for (pAdapt = pAdapterAddrs, count; pAdapt; pAdapt = pAdapt->Next, count++) { addr = (struct sockaddr_in *)malloc(sizeof(struct sockaddr_in)); ifa = (struct ifaddrs *)malloc(sizeof(struct ifaddrs)); if ((addr == NULL) || (ifa == NULL)) { SCTPDBG(SCTP_DEBUG_USR, "Can't allocate memory\n"); return (-1); } ifa->ifa_name = _strdup(pAdapt->AdapterName); ifa->ifa_flags = pAdapt->Flags; ifa->ifa_addr = (struct sockaddr *)addr; memcpy(addr, &pAdapt->FirstUnicastAddress->Address.lpSockaddr, sizeof(struct sockaddr_in)); interfaces[count] = ifa; } #endif #if defined(INET6) if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) { AdapterAddrsSize = 0; if ((Err = GetAdaptersAddresses(AF_INET6, 0, NULL, NULL, &AdapterAddrsSize)) != 0) { if ((Err != ERROR_BUFFER_OVERFLOW) && (Err != ERROR_INSUFFICIENT_BUFFER)) { SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV6Addresses() sizing failed with error code %d AdapterAddrsSize = %d\n", Err, AdapterAddrsSize); return (-1); } } /* Allocate memory from sizing information */ if ((pAdapterAddrs = (PIP_ADAPTER_ADDRESSES) GlobalAlloc(GPTR, AdapterAddrsSize)) == NULL) { SCTPDBG(SCTP_DEBUG_USR, "Memory allocation error!\n"); return (-1); } /* Get actual adapter information */ if ((Err = GetAdaptersAddresses(AF_INET6, 0, NULL, pAdapterAddrs, &AdapterAddrsSize)) != ERROR_SUCCESS) { SCTPDBG(SCTP_DEBUG_USR, "GetAdaptersV6Addresses() failed with error code %d\n", Err); return (-1); } /* Enumerate through each returned adapter and save its information */ for (pAdapt = pAdapterAddrs, count; pAdapt; pAdapt = pAdapt->Next, count++) { addr6 = (struct sockaddr_in6 *)malloc(sizeof(struct sockaddr_in6)); ifa = (struct ifaddrs *)malloc(sizeof(struct ifaddrs)); if ((addr6 == NULL) || (ifa == NULL)) { SCTPDBG(SCTP_DEBUG_USR, "Can't allocate memory\n"); return (-1); } ifa->ifa_name = _strdup(pAdapt->AdapterName); ifa->ifa_flags = pAdapt->Flags; ifa->ifa_addr = (struct sockaddr *)addr6; memcpy(addr6, &pAdapt->FirstUnicastAddress->Address.lpSockaddr, sizeof(struct sockaddr_in6)); interfaces[count] = ifa; } } #endif return (0); } int win_if_nametoindex(const char *ifname) { IP_ADAPTER_ADDRESSES *addresses, *addr; ULONG status, size; int index = 0; if (!ifname) { return 0; } size = 0; status = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, NULL, &size); if (status != ERROR_BUFFER_OVERFLOW) { return 0; } addresses = malloc(size); status = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, addresses, &size); if (status == ERROR_SUCCESS) { for (addr = addresses; addr; addr = addr->Next) { if (addr->AdapterName && !strcmp(ifname, addr->AdapterName)) { index = addr->IfIndex; break; } } } free(addresses); return index; } #if WINVER < 0x0600 /* These functions are written based on the code at * http://www.cs.wustl.edu/~schmidt/win32-cv-1.html * Therefore, for the rest of the file the following applies: * * * Copyright and Licensing Information for ACE(TM), TAO(TM), CIAO(TM), * DAnCE(TM), and CoSMIC(TM) * * [1]ACE(TM), [2]TAO(TM), [3]CIAO(TM), DAnCE(TM), and [4]CoSMIC(TM) * (henceforth referred to as "DOC software") are copyrighted by * [5]Douglas C. Schmidt and his [6]research group at [7]Washington * University, [8]University of California, Irvine, and [9]Vanderbilt * University, Copyright (c) 1993-2012, all rights reserved. Since DOC * software is open-source, freely available software, you are free to * use, modify, copy, and distribute--perpetually and irrevocably--the * DOC software source code and object code produced from the source, as * well as copy and distribute modified versions of this software. You * must, however, include this copyright statement along with any code * built using DOC software that you release. No copyright statement * needs to be provided if you just ship binary executables of your * software products. * * You can use DOC software in commercial and/or binary software releases * and are under no obligation to redistribute any of your source code * that is built using DOC software. Note, however, that you may not * misappropriate the DOC software code, such as copyrighting it yourself * or claiming authorship of the DOC software code, in a way that will * prevent DOC software from being distributed freely using an * open-source development model. You needn't inform anyone that you're * using DOC software in your software, though we encourage you to let * [10]us know so we can promote your project in the [11]DOC software * success stories. * * The [12]ACE, [13]TAO, [14]CIAO, [15]DAnCE, and [16]CoSMIC web sites * are maintained by the [17]DOC Group at the [18]Institute for Software * Integrated Systems (ISIS) and the [19]Center for Distributed Object * Computing of Washington University, St. Louis for the development of * open-source software as part of the open-source software community. * Submissions are provided by the submitter ``as is'' with no warranties * whatsoever, including any warranty of merchantability, noninfringement * of third party intellectual property, or fitness for any particular * purpose. In no event shall the submitter be liable for any direct, * indirect, special, exemplary, punitive, or consequential damages, * including without limitation, lost profits, even if advised of the * possibility of such damages. Likewise, DOC software is provided as is * with no warranties of any kind, including the warranties of design, * merchantability, and fitness for a particular purpose, * noninfringement, or arising from a course of dealing, usage or trade * practice. Washington University, UC Irvine, Vanderbilt University, * their employees, and students shall have no liability with respect to * the infringement of copyrights, trade secrets or any patents by DOC * software or any part thereof. Moreover, in no event will Washington * University, UC Irvine, or Vanderbilt University, their employees, or * students be liable for any lost revenue or profits or other special, * indirect and consequential damages. * * DOC software is provided with no support and without any obligation on * the part of Washington University, UC Irvine, Vanderbilt University, * their employees, or students to assist in its use, correction, * modification, or enhancement. A [20]number of companies around the * world provide commercial support for DOC software, however. DOC * software is Y2K-compliant, as long as the underlying OS platform is * Y2K-compliant. Likewise, DOC software is compliant with the new US * daylight savings rule passed by Congress as "The Energy Policy Act of * 2005," which established new daylight savings times (DST) rules for * the United States that expand DST as of March 2007. Since DOC software * obtains time/date and calendaring information from operating systems * users will not be affected by the new DST rules as long as they * upgrade their operating systems accordingly. * * The names ACE(TM), TAO(TM), CIAO(TM), DAnCE(TM), CoSMIC(TM), * Washington University, UC Irvine, and Vanderbilt University, may not * be used to endorse or promote products or services derived from this * source without express written permission from Washington University, * UC Irvine, or Vanderbilt University. This license grants no permission * to call products or services derived from this source ACE(TM), * TAO(TM), CIAO(TM), DAnCE(TM), or CoSMIC(TM), nor does it grant * permission for the name Washington University, UC Irvine, or * Vanderbilt University to appear in their names. * * If you have any suggestions, additions, comments, or questions, please * let [21]me know. * * [22]Douglas C. Schmidt * * References * * 1. http://www.cs.wustl.edu/~schmidt/ACE.html * 2. http://www.cs.wustl.edu/~schmidt/TAO.html * 3. http://www.dre.vanderbilt.edu/CIAO/ * 4. http://www.dre.vanderbilt.edu/cosmic/ * 5. http://www.dre.vanderbilt.edu/~schmidt/ * 6. http://www.cs.wustl.edu/~schmidt/ACE-members.html * 7. http://www.wustl.edu/ * 8. http://www.uci.edu/ * 9. http://www.vanderbilt.edu/ * 10. mailto:doc_group@cs.wustl.edu * 11. http://www.cs.wustl.edu/~schmidt/ACE-users.html * 12. http://www.cs.wustl.edu/~schmidt/ACE.html * 13. http://www.cs.wustl.edu/~schmidt/TAO.html * 14. http://www.dre.vanderbilt.edu/CIAO/ * 15. http://www.dre.vanderbilt.edu/~schmidt/DOC_ROOT/DAnCE/ * 16. http://www.dre.vanderbilt.edu/cosmic/ * 17. http://www.dre.vanderbilt.edu/ * 18. http://www.isis.vanderbilt.edu/ * 19. http://www.cs.wustl.edu/~schmidt/doc-center.html * 20. http://www.cs.wustl.edu/~schmidt/commercial-support.html * 21. mailto:d.schmidt@vanderbilt.edu * 22. http://www.dre.vanderbilt.edu/~schmidt/ * 23. http://www.cs.wustl.edu/ACE.html */ void InitializeXPConditionVariable(userland_cond_t *cv) { cv->waiters_count = 0; InitializeCriticalSection(&(cv->waiters_count_lock)); cv->events_[C_SIGNAL] = CreateEvent (NULL, FALSE, FALSE, NULL); cv->events_[C_BROADCAST] = CreateEvent (NULL, TRUE, FALSE, NULL); } void DeleteXPConditionVariable(userland_cond_t *cv) { CloseHandle(cv->events_[C_BROADCAST]); CloseHandle(cv->events_[C_SIGNAL]); DeleteCriticalSection(&(cv->waiters_count_lock)); } int SleepXPConditionVariable(userland_cond_t *cv, userland_mutex_t *mtx) { int result, last_waiter; EnterCriticalSection(&cv->waiters_count_lock); cv->waiters_count++; LeaveCriticalSection(&cv->waiters_count_lock); LeaveCriticalSection (mtx); result = WaitForMultipleObjects(2, cv->events_, FALSE, INFINITE); if (result==-1) { result = GetLastError(); } EnterCriticalSection(&cv->waiters_count_lock); cv->waiters_count--; last_waiter = result == (C_SIGNAL + C_BROADCAST && (cv->waiters_count == 0)); LeaveCriticalSection(&cv->waiters_count_lock); if (last_waiter) ResetEvent(cv->events_[C_BROADCAST]); EnterCriticalSection (mtx); return result; } void WakeAllXPConditionVariable(userland_cond_t *cv) { int have_waiters; EnterCriticalSection(&cv->waiters_count_lock); have_waiters = cv->waiters_count > 0; LeaveCriticalSection(&cv->waiters_count_lock); if (have_waiters) SetEvent (cv->events_[C_BROADCAST]); } #endif #endif