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-rw-r--r--CMakeLists.txt695logplain
-rw-r--r--lapi.c22708logplain
-rw-r--r--lapi.h262logplain
-rw-r--r--lauxlib.c17417logplain
-rw-r--r--lauxlib.h5777logplain
-rw-r--r--lbaselib.c17045logplain
-rw-r--r--lcode.c21170logplain
-rw-r--r--lcode.h2750logplain
-rw-r--r--ldblib.c10092logplain
-rw-r--r--ldebug.c16840logplain
-rw-r--r--ldebug.h1061logplain
-rw-r--r--ldo.c14892logplain
-rw-r--r--ldo.h1897logplain
-rw-r--r--ldump.c3114logplain
-rw-r--r--lfunc.c4618logplain
-rw-r--r--lfunc.h1125logplain
-rw-r--r--lgc.c20053logplain
-rw-r--r--lgc.h3159logplain
-rw-r--r--linit.c765logplain
-rw-r--r--liolib.c13466logplain
-rw-r--r--llex.c12583logplain
-rw-r--r--llex.h2177logplain
-rw-r--r--llimits.h2349logplain
-rw-r--r--lmathlib.c5831logplain
-rw-r--r--lmem.c2172logplain
-rw-r--r--lmem.h1494logplain
-rw-r--r--loadlib.c19216logplain
-rw-r--r--lobject.c5498logplain
-rw-r--r--lobject.h8502logplain
-rw-r--r--lopcodes.c2884logplain
-rw-r--r--lopcodes.h8086logplain
-rw-r--r--loslib.c5992logplain
-rw-r--r--lparser.c36696logplain
-rw-r--r--lparser.h2261logplain
-rw-r--r--lstate.c5674logplain
-rw-r--r--lstate.h5011logplain
-rw-r--r--lstring.c3110logplain
-rw-r--r--lstring.h814logplain
-rw-r--r--lstrlib.c23561logplain
-rw-r--r--ltable.c16263logplain
-rw-r--r--ltable.h1184logplain
-rw-r--r--ltablib.c7343logplain
-rw-r--r--ltm.c1650logplain
-rw-r--r--ltm.h1018logplain
-rw-r--r--lua.c10163logplain
-rw-r--r--lua.h11688logplain
-rw-r--r--luac.c4661logplain
-rw-r--r--luaconf.h22299logplain
-rw-r--r--lualib.h1026logplain
-rw-r--r--lundump.c4629logplain
-rw-r--r--lundump.h890logplain
-rw-r--r--lvm.c23242logplain
-rw-r--r--lvm.h1159logplain
-rw-r--r--lzio.c1628logplain
-rw-r--r--lzio.h1556logplain
-rw-r--r--print.c4944logplain
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-03 04:27:08 +0000
an class="hl opt">(port); } Address::Address(u8 a, u8 b, u8 c, u8 d, u16 port) { memset(&m_address, 0, sizeof(m_address)); setAddress(a, b, c, d); setPort(port); } Address::Address(const IPv6AddressBytes *ipv6_bytes, u16 port) { memset(&m_address, 0, sizeof(m_address)); setAddress(ipv6_bytes); setPort(port); } // Equality (address family, address and port must be equal) bool Address::operator==(const Address &address) { if(address.m_addr_family != m_addr_family || address.m_port != m_port) return false; else if(m_addr_family == AF_INET) { return m_address.ipv4.sin_addr.s_addr == address.m_address.ipv4.sin_addr.s_addr; } else if(m_addr_family == AF_INET6) { return memcmp(m_address.ipv6.sin6_addr.s6_addr, address.m_address.ipv6.sin6_addr.s6_addr, 16) == 0; } else return false; } bool Address::operator!=(const Address &address) { return !(*this == address); } void Address::Resolve(const char *name) { if (!name || name[0] == 0) { if (m_addr_family == AF_INET) { setAddress((u32) 0); } else if (m_addr_family == AF_INET6) { setAddress((IPv6AddressBytes*) 0); } return; } struct addrinfo *resolved, hints; memset(&hints, 0, sizeof(hints)); // Setup hints hints.ai_socktype = 0; hints.ai_protocol = 0; hints.ai_flags = 0; if(g_settings->getBool("enable_ipv6")) { // AF_UNSPEC allows both IPv6 and IPv4 addresses to be returned hints.ai_family = AF_UNSPEC; } else { hints.ai_family = AF_INET; } // Do getaddrinfo() int e = getaddrinfo(name, NULL, &hints, &resolved); if(e != 0) throw ResolveError(gai_strerror(e)); // Copy data if(resolved->ai_family == AF_INET) { struct sockaddr_in *t = (struct sockaddr_in *) resolved->ai_addr; m_addr_family = AF_INET; m_address.ipv4 = *t; } else if(resolved->ai_family == AF_INET6) { struct sockaddr_in6 *t = (struct sockaddr_in6 *) resolved->ai_addr; m_addr_family = AF_INET6; m_address.ipv6 = *t; } else { freeaddrinfo(resolved); throw ResolveError(""); } freeaddrinfo(resolved); } // IP address -> textual representation std::string Address::serializeString() const { // windows XP doesnt have inet_ntop, maybe use better func #ifdef _WIN32 if(m_addr_family == AF_INET) { u8 a, b, c, d; u32 addr; addr = ntohl(m_address.ipv4.sin_addr.s_addr); a = (addr & 0xFF000000) >> 24; b = (addr & 0x00FF0000) >> 16; c = (addr & 0x0000FF00) >> 8; d = (addr & 0x000000FF); return itos(a) + "." + itos(b) + "." + itos(c) + "." + itos(d); } else if(m_addr_family == AF_INET6) { std::ostringstream os; for(int i = 0; i < 16; i += 2) { u16 section = (m_address.ipv6.sin6_addr.s6_addr[i] << 8) | (m_address.ipv6.sin6_addr.s6_addr[i + 1]); os << std::hex << section; if(i < 14) os << ":"; } return os.str(); } else return std::string(""); #else char str[INET6_ADDRSTRLEN]; if (inet_ntop(m_addr_family, (m_addr_family == AF_INET) ? (void*)&(m_address.ipv4.sin_addr) : (void*)&(m_address.ipv6.sin6_addr), str, INET6_ADDRSTRLEN) == NULL) { return std::string(""); } return std::string(str); #endif } struct sockaddr_in Address::getAddress() const { return m_address.ipv4; // NOTE: NO PORT INCLUDED, use getPort() } struct sockaddr_in6 Address::getAddress6() const { return m_address.ipv6; // NOTE: NO PORT INCLUDED, use getPort() } u16 Address::getPort() const { return m_port; } int Address::getFamily() const { return m_addr_family; } bool Address::isIPv6() const { return m_addr_family == AF_INET6; } bool Address::isZero() const { if (m_addr_family == AF_INET) { return m_address.ipv4.sin_addr.s_addr == 0; } else if (m_addr_family == AF_INET6) { static const char zero[16] = {0}; return memcmp(m_address.ipv6.sin6_addr.s6_addr, zero, 16) == 0; } return false; } void Address::setAddress(u32 address) { m_addr_family = AF_INET; m_address.ipv4.sin_family = AF_INET; m_address.ipv4.sin_addr.s_addr = htonl(address); } void Address::setAddress(u8 a, u8 b, u8 c, u8 d) { m_addr_family = AF_INET; m_address.ipv4.sin_family = AF_INET; u32 addr = htonl((a << 24) | (b << 16) | (c << 8) | d); m_address.ipv4.sin_addr.s_addr = addr; } void Address::setAddress(const IPv6AddressBytes *ipv6_bytes) { m_addr_family = AF_INET6; m_address.ipv6.sin6_family = AF_INET6; if (ipv6_bytes) memcpy(m_address.ipv6.sin6_addr.s6_addr, ipv6_bytes->bytes, 16); else memset(m_address.ipv6.sin6_addr.s6_addr, 0, 16); } void Address::setPort(u16 port) { m_port = port; } void Address::print(std::ostream *s) const { if(m_addr_family == AF_INET6) *s << "[" << serializeString() << "]:" << m_port; else *s << serializeString() << ":" << m_port; } /* UDPSocket */ UDPSocket::UDPSocket(bool ipv6) { init(ipv6, false); } bool UDPSocket::init(bool ipv6, bool noExceptions) { if (g_sockets_initialized == false) { dstream << "Sockets not initialized" << std::endl; return false; } // Use IPv6 if specified m_addr_family = ipv6 ? AF_INET6 : AF_INET; m_handle = socket(m_addr_family, SOCK_DGRAM, IPPROTO_UDP); if (socket_enable_debug_output) { dstream << "UDPSocket(" << (int) m_handle << ")::UDPSocket(): ipv6 = " << (ipv6 ? "true" : "false") << std::endl; } if (m_handle <= 0) { if (noExceptions) { return false; } else { throw SocketException(std::string("Failed to create socket: error ") + itos(LAST_SOCKET_ERR())); } } setTimeoutMs(0); return true; } UDPSocket::~UDPSocket() { if (socket_enable_debug_output) { dstream << "UDPSocket( " << (int) m_handle << ")::~UDPSocket()" << std::endl; } #ifdef _WIN32 closesocket(m_handle); #else close(m_handle); #endif } void UDPSocket::Bind(Address addr) { if(socket_enable_debug_output) { dstream << "UDPSocket(" << (int) m_handle << ")::Bind(): " << addr.serializeString() << ":" << addr.getPort() << std::endl; } if (addr.getFamily() != m_addr_family) { static const char *errmsg = "Socket and bind address families do not match"; errorstream << "Bind failed: " << errmsg << std::endl; throw SocketException(errmsg); } if(m_addr_family == AF_INET6) { struct sockaddr_in6 address; memset(&address, 0, sizeof(address)); address = addr.getAddress6(); address.sin6_family = AF_INET6; address.sin6_port = htons(addr.getPort()); if(bind(m_handle, (const struct sockaddr *) &address, sizeof(struct sockaddr_in6)) < 0) { dstream << (int) m_handle << ": Bind failed: " << strerror(errno) << std::endl; throw SocketException("Failed to bind socket"); } } else { struct sockaddr_in address; memset(&address, 0, sizeof(address)); address = addr.getAddress(); address.sin_family = AF_INET; address.sin_port = htons(addr.getPort()); if (bind(m_handle, (const struct sockaddr *) &address, sizeof(struct sockaddr_in)) < 0) { dstream << (int)m_handle << ": Bind failed: " << strerror(errno) << std::endl; throw SocketException("Failed to bind socket"); } } } void UDPSocket::Send(const Address & destination, const void * data, int size) { bool dumping_packet = false; // for INTERNET_SIMULATOR if(INTERNET_SIMULATOR) dumping_packet = myrand() % INTERNET_SIMULATOR_PACKET_LOSS == 0; if(socket_enable_debug_output) { // Print packet destination and size dstream << (int)m_handle << " -> "; destination.print(&dstream); dstream << ", size=" << size; // Print packet contents dstream << ", data="; for(int i = 0; i < size && i < 20; i++) { if(i % 2 == 0) dstream << " "; unsigned int a = ((const unsigned char *)data)[i]; dstream << std::hex << std::setw(2) << std::setfill('0') << a; } if(size > 20) dstream << "..."; if(dumping_packet) dstream << " (DUMPED BY INTERNET_SIMULATOR)"; dstream << std::endl; } if(dumping_packet) { // Lol let's forget it dstream << "UDPSocket::Send(): INTERNET_SIMULATOR: dumping packet." << std::endl; return; } if(destination.getFamily() != m_addr_family) throw SendFailedException("Address family mismatch"); int sent; if(m_addr_family == AF_INET6) { struct sockaddr_in6 address = destination.getAddress6(); address.sin6_port = htons(destination.getPort()); sent = sendto(m_handle, (const char *)data, size, 0, (struct sockaddr *)&address, sizeof(struct sockaddr_in6)); } else { struct sockaddr_in address = destination.getAddress(); address.sin_port = htons(destination.getPort()); sent = sendto(m_handle, (const char *)data, size, 0, (struct sockaddr *)&address, sizeof(struct sockaddr_in)); } if(sent != size) throw SendFailedException("Failed to send packet"); } int UDPSocket::Receive(Address & sender, void *data, int size) { // Return on timeout if(WaitData(m_timeout_ms) == false) return -1; int received; if (m_addr_family == AF_INET6) { struct sockaddr_in6 address; memset(&address, 0, sizeof(address)); socklen_t address_len = sizeof(address); received = recvfrom(m_handle, (char *) data, size, 0, (struct sockaddr *) &address, &address_len); if(received < 0) return -1; u16 address_port = ntohs(address.sin6_port); IPv6AddressBytes bytes; memcpy(bytes.bytes, address.sin6_addr.s6_addr, 16); sender = Address(&bytes, address_port); } else { struct sockaddr_in address; memset(&address, 0, sizeof(address)); socklen_t address_len = sizeof(address); received = recvfrom(m_handle, (char *)data, size, 0, (struct sockaddr *)&address, &address_len); if(received < 0) return -1; u32 address_ip = ntohl(address.sin_addr.s_addr); u16 address_port = ntohs(address.sin_port); sender = Address(address_ip, address_port); } if (socket_enable_debug_output) { // Print packet sender and size dstream << (int) m_handle << " <- "; sender.print(&dstream); dstream << ", size=" << received; // Print packet contents dstream << ", data="; for(int i = 0; i < received && i < 20; i++) { if(i % 2 == 0) dstream << " "; unsigned int a = ((const unsigned char *) data)[i]; dstream << std::hex << std::setw(2) << std::setfill('0') << a; } if(received > 20) dstream << "..."; dstream << std::endl; } return received; } int UDPSocket::GetHandle() { return m_handle; } void UDPSocket::setTimeoutMs(int timeout_ms) { m_timeout_ms = timeout_ms; } bool UDPSocket::WaitData(int timeout_ms) { fd_set readset; int result; // Initialize the set FD_ZERO(&readset); FD_SET(m_handle, &readset); // Initialize time out struct struct timeval tv; tv.tv_sec = 0; tv.tv_usec = timeout_ms * 1000; // select() result = select(m_handle+1, &readset, NULL, NULL, &tv); if (result == 0) return false; else if (result < 0 && (errno == EINTR || errno == EBADF)) { // N.B. select() fails when sockets are destroyed on Connection's dtor // with EBADF. Instead of doing tricky synchronization, allow this // thread to exit but don't throw an exception. return false; } else if (result < 0) { dstream << (int) m_handle << ": Select failed: " << strerror(errno) << std::endl; #ifdef _WIN32 int e = WSAGetLastError(); dstream << (int) m_handle << ": WSAGetLastError()=" << e << std::endl; if (e == 10004 /* WSAEINTR */ || e == 10009 /* WSAEBADF */) { infostream << "Ignoring WSAEINTR/WSAEBADF." << std::endl; return false; } #endif throw SocketException("Select failed"); } else if(FD_ISSET(m_handle, &readset) == false) { // No data return false; } // There is data return true; }
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-03 04:27:08 +0000