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This commit is contained in:
2023-01-02 13:05:43 +01:00
parent 8f95b1a750
commit 222b79b40a
100 changed files with 4783 additions and 4781 deletions

View File

@@ -16,109 +16,109 @@ namespace network {
/* Create an invalid address */
IPAddress::IPAddress() noexcept
: m_Address(0), m_Valid(false) {
: m_Address(0), m_Valid(false) {
}
/* Initialize by string IP */
IPAddress::IPAddress(const std::string& ip)
: m_Address(0), m_Valid(false) {
: m_Address(0), m_Valid(false) {
std::sregex_iterator begin(ip.begin(), ip.end(), IPRegex);
std::sregex_iterator end;
std::sregex_iterator begin(ip.begin(), ip.end(), IPRegex);
std::sregex_iterator end;
if (begin == end) return; // m_Valid = false
if (begin == end) return; // m_Valid = false
std::smatch match = *begin;
std::smatch match = *begin;
std::uint8_t octet1 = std::stoul(std::string(match[1]));
std::uint8_t octet2 = std::stoul(std::string(match[2]));
std::uint8_t octet3 = std::stoul(std::string(match[3]));
std::uint8_t octet4 = std::stoul(std::string(match[4]));
std::uint8_t octet1 = std::stoul(std::string(match[1]));
std::uint8_t octet2 = std::stoul(std::string(match[2]));
std::uint8_t octet3 = std::stoul(std::string(match[3]));
std::uint8_t octet4 = std::stoul(std::string(match[4]));
m_Address = static_cast<std::uint32_t>((octet1 << 24) | (octet2 << 16) | (octet3 << 8) | octet4);
m_Valid = true;
m_Address = static_cast<std::uint32_t>((octet1 << 24) | (octet2 << 16) | (octet3 << 8) | octet4);
m_Valid = true;
}
IPAddress::IPAddress(const std::wstring& ip)
: m_Address(0), m_Valid(false) {
: m_Address(0), m_Valid(false) {
std::wsregex_iterator begin(ip.begin(), ip.end(), IPRegexW);
std::wsregex_iterator end;
std::wsregex_iterator begin(ip.begin(), ip.end(), IPRegexW);
std::wsregex_iterator end;
if (begin == end) return; // m_Valid = false
if (begin == end) return; // m_Valid = false
std::wsmatch match = *begin;
std::wsmatch match = *begin;
std::uint8_t octet1 = std::stoul(match[1]);
std::uint8_t octet2 = std::stoul(match[2]);
std::uint8_t octet3 = std::stoul(match[3]);
std::uint8_t octet4 = std::stoul(match[4]);
std::uint8_t octet1 = std::stoul(match[1]);
std::uint8_t octet2 = std::stoul(match[2]);
std::uint8_t octet3 = std::stoul(match[3]);
std::uint8_t octet4 = std::stoul(match[4]);
m_Address = static_cast<std::uint32_t>((octet1 << 24) | (octet2 << 16) | (octet3 << 8) | octet4);
m_Valid = true;
m_Address = static_cast<std::uint32_t>((octet1 << 24) | (octet2 << 16) | (octet3 << 8) | octet4);
m_Valid = true;
}
/* Initialize by octets */
IPAddress::IPAddress(uint8_t octet1, uint8_t octet2, uint8_t octet3, uint8_t octet4) noexcept
: m_Valid(true) {
m_Address = static_cast<std::uint32_t>((octet1 << 24) | (octet2 << 16) | (octet3 << 8) | octet4);
: m_Valid(true) {
m_Address = static_cast<std::uint32_t>((octet1 << 24) | (octet2 << 16) | (octet3 << 8) | octet4);
}
/* Get the specific octet */
uint8_t IPAddress::GetOctet(uint8_t num) const {
if (num == 0 || num > 4) throw std::invalid_argument("Invalid argument in IPAddress:GetOctet.");
if (num == 0 || num > 4) throw std::invalid_argument("Invalid argument in IPAddress:GetOctet.");
return (m_Address >> (8 * (4 - num))) & 0xFF;
return (m_Address >> (8 * (4 - num))) & 0xFF;
}
/* Set the specific octet. 1-4 */
void IPAddress::SetOctet(uint8_t num, uint8_t value) {
if (num == 0 || num > 4) throw std::invalid_argument("Invalid argument in IPAddress:GetOctet.");
uint8_t octets[4];
if (num == 0 || num > 4) throw std::invalid_argument("Invalid argument in IPAddress:GetOctet.");
uint8_t octets[4];
for (int i = 0; i < 4; ++i)
octets[i] = (m_Address >> ((3 - i) * 8)) & 0xFF;
for (int i = 0; i < 4; ++i)
octets[i] = (m_Address >> ((3 - i) * 8)) & 0xFF;
octets[num - 1] = value;
octets[num - 1] = value;
m_Address = static_cast<std::uint32_t>((octets[0] << 24) | (octets[1] << 16) | (octets[2] << 8) | octets[3]);
m_Address = static_cast<std::uint32_t>((octets[0] << 24) | (octets[1] << 16) | (octets[2] << 8) | octets[3]);
}
IPAddress IPAddress::LocalAddress() {
return IPAddress(127, 0, 0, 1);
return IPAddress(127, 0, 0, 1);
}
std::string IPAddress::ToString() const {
std::stringstream ss;
std::stringstream ss;
for (int i = 0; i < 4; ++i) {
if (i != 0) ss << ".";
ss << static_cast<unsigned int>(GetOctet(i + 1));
}
for (int i = 0; i < 4; ++i) {
if (i != 0) ss << ".";
ss << static_cast<unsigned int>(GetOctet(i + 1));
}
return ss.str();
return ss.str();
}
bool IPAddress::operator==(const IPAddress& right) {
return m_Address == right.m_Address;
return m_Address == right.m_Address;
}
bool IPAddress::operator!=(const IPAddress& right) {
return !(*this == right);
return !(*this == right);
}
bool IPAddress::operator==(bool b) {
return IsValid() == b;
return IsValid() == b;
}
std::ostream& operator<<(std::ostream& os, const IPAddress& addr) {
return os << addr.ToString();
return os << addr.ToString();
}
std::wostream& operator<<(std::wostream& os, const IPAddress& addr) {
std::string str = addr.ToString();
return os << std::wstring(str.begin(), str.end());
std::string str = addr.ToString();
return os << std::wstring(str.begin(), str.end());
}
} // ns network

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@@ -5,20 +5,20 @@ namespace network {
class NetworkInitializer {
public:
NetworkInitializer();
~NetworkInitializer();
NetworkInitializer();
~NetworkInitializer();
NetworkInitializer(const NetworkInitializer& rhs) = delete;
NetworkInitializer& operator=(const NetworkInitializer& rhs) = delete;
NetworkInitializer(const NetworkInitializer& rhs) = delete;
NetworkInitializer& operator=(const NetworkInitializer& rhs) = delete;
};
#ifdef _WIN32
NetworkInitializer::NetworkInitializer() {
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData);
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData);
}
NetworkInitializer::~NetworkInitializer() {
WSACleanup();
WSACleanup();
}
#else
NetworkInitializer::NetworkInitializer() {
@@ -32,36 +32,36 @@ NetworkInitializer::~NetworkInitializer() {
NetworkInitializer initializer;
IPAddresses Dns::Resolve(const std::string& host) {
IPAddresses list;
addrinfo hints{};
addrinfo* addresses = nullptr;
IPAddresses list;
addrinfo hints{};
addrinfo* addresses = nullptr;
//hints.ai_family = AF_UNSPEC;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
//hints.ai_family = AF_UNSPEC;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
getaddrinfo(host.c_str(), NULL, &hints, &addresses);
getaddrinfo(host.c_str(), NULL, &hints, &addresses);
for (addrinfo* p = addresses; p != NULL; p = p->ai_next) {
for (addrinfo* p = addresses; p != NULL; p = p->ai_next) {
#ifdef _WIN32
//wchar_t straddr[35];
//char straddr[512];
//DWORD len;
//WSAAddressToStringA(p->ai_addr, p->ai_addrlen, NULL, straddr, &len);
//wchar_t straddr[35];
//char straddr[512];
//DWORD len;
//WSAAddressToStringA(p->ai_addr, p->ai_addrlen, NULL, straddr, &len);
char* straddr = inet_ntoa(((sockaddr_in*)p->ai_addr)->sin_addr);
char* straddr = inet_ntoa(((sockaddr_in*)p->ai_addr)->sin_addr);
#else
char straddr[512];
char straddr[512];
inet_ntop(p->ai_family, &(reinterpret_cast<sockaddr_in*>(p->ai_addr))->sin_addr, straddr, sizeof(straddr));
inet_ntop(p->ai_family, &(reinterpret_cast<sockaddr_in*>(p->ai_addr))->sin_addr, straddr, sizeof(straddr));
#endif
list.push_back(IPAddress(straddr));
}
list.push_back(IPAddress(straddr));
}
return list;
return list;
}
} // ns network

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@@ -13,68 +13,67 @@ namespace td {
namespace network {
Socket::Socket(Type type)
: m_Blocking(false),
m_Type(type),
m_Status(Disconnected),
m_Handle(static_cast<SocketHandle>(INVALID_SOCKET))
{
: m_Blocking(false),
m_Type(type),
m_Status(Disconnected),
m_Handle(static_cast<SocketHandle>(INVALID_SOCKET)) {
}
Socket::~Socket() {
Disconnect();
Disconnect();
}
bool Socket::SetBlocking(bool block) {
unsigned long mode = block ? 0 : 1;
unsigned long mode = block ? 0 : 1;
if (ioctl(m_Handle, FIONBIO, &mode) < 0) {
return false;
}
if (ioctl(m_Handle, FIONBIO, &mode) < 0) {
return false;
}
m_Blocking = block;
m_Blocking = block;
return true;
return true;
}
bool Socket::IsBlocking() const noexcept {
return m_Blocking;
return m_Blocking;
}
Socket::Type Socket::GetType() const noexcept {
return m_Type;
return m_Type;
}
SocketHandle Socket::GetHandle() const noexcept {
return m_Handle;
return m_Handle;
}
void Socket::SetStatus(Socket::Status status) {
m_Status = status;
m_Status = status;
}
Socket::Status Socket::GetStatus() const noexcept {
return m_Status;
return m_Status;
}
bool Socket::Connect(const std::string& ip, uint16_t port) {
IPAddress addr(ip);
return Connect(addr, port);
IPAddress addr(ip);
return Connect(addr, port);
}
std::size_t Socket::Send(const std::string& data) {
return this->Send(reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
return this->Send(reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
}
std::size_t Socket::Send(DataBuffer& buffer) {
std::string data = buffer.ToString();
return this->Send(reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
std::string data = buffer.ToString();
return this->Send(reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
}
void Socket::Disconnect() {
if (m_Handle < 0)
closesocket(m_Handle);
m_Status = Disconnected;
if (m_Handle < 0)
closesocket(m_Handle);
m_Status = Disconnected;
}
} // ns network

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@@ -14,58 +14,58 @@ namespace network {
TCPListener::TCPListener() {}
TCPListener::~TCPListener() {
Destroy();
Destroy();
}
bool TCPListener::Listen(uint16_t port, int maxConnections) {
if ((m_Handle = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
return false;
if ((m_Handle = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
return false;
struct sockaddr_in address;
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(port);
struct sockaddr_in address;
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(port);
if (::bind(m_Handle, reinterpret_cast<sockaddr*>(&address), sizeof(address)) < 0)
return false;
if (::bind(m_Handle, reinterpret_cast<sockaddr*>(&address), sizeof(address)) < 0)
return false;
if (::listen(m_Handle, maxConnections) < 0)
return false;
if (::listen(m_Handle, maxConnections) < 0)
return false;
m_Port = port;
m_MaxConnections = maxConnections;
m_Port = port;
m_MaxConnections = maxConnections;
return true;
return true;
}
bool TCPListener::Accept(TCPSocket& newSocket) {
int addrlen = sizeof(newSocket.m_RemoteAddr);
if ((newSocket.m_Handle = ::accept(m_Handle, reinterpret_cast<sockaddr*>(&newSocket.m_RemoteAddr),
reinterpret_cast<socklen_t*>(&addrlen))) < 0)
return false;
newSocket.SetStatus(Socket::Status::Connected);
newSocket.SetBlocking(false);
return true;
int addrlen = sizeof(newSocket.m_RemoteAddr);
if ((newSocket.m_Handle = ::accept(m_Handle, reinterpret_cast<sockaddr*>(&newSocket.m_RemoteAddr),
reinterpret_cast<socklen_t*>(&addrlen))) < 0)
return false;
newSocket.SetStatus(Socket::Status::Connected);
newSocket.SetBlocking(false);
return true;
}
void TCPListener::Destroy() {
if (m_Handle < 0)
::closesocket(m_Handle);
if (m_Handle < 0)
::closesocket(m_Handle);
}
bool TCPListener::Close() {
if (::shutdown(m_Handle, SD_BOTH) == 0)
return true;
return false;
if (::shutdown(m_Handle, SD_BOTH) == 0)
return true;
return false;
}
bool TCPListener::SetBlocking(bool blocking) {
unsigned long mode = blocking ? 0 : 1;
unsigned long mode = blocking ? 0 : 1;
if (::ioctlsocket(m_Handle, FIONBIO, &mode) < 0) {
return false;
}
return true;
if (::ioctlsocket(m_Handle, FIONBIO, &mode) < 0) {
return false;
}
return true;
}
} // namespace network
} // namespace td

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@@ -14,132 +14,132 @@ namespace td {
namespace network {
TCPSocket::TCPSocket() : Socket(Socket::TCP), m_Port(0) {
m_Handle = static_cast<SocketHandle>(INVALID_SOCKET);
m_Handle = static_cast<SocketHandle>(INVALID_SOCKET);
}
bool TCPSocket::Connect(const IPAddress& address, unsigned short port) {
if (this->GetStatus() == Connected)
return true;
if (this->GetStatus() == Connected)
return true;
struct addrinfo hints {};
memset(&hints, 0, sizeof(addrinfo));
struct addrinfo hints {};
memset(&hints, 0, sizeof(addrinfo));
struct addrinfo* result = nullptr;
struct addrinfo* result = nullptr;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if (::getaddrinfo(address.ToString().c_str(), std::to_string(static_cast<int>(port)).c_str(), &hints, &result) != 0) {
std::cerr << "Failed to get address info !\n";
return false;
}
if (::getaddrinfo(address.ToString().c_str(), std::to_string(static_cast<int>(port)).c_str(), &hints, &result) != 0) {
std::cerr << "Failed to get address info !\n";
return false;
}
if ((m_Handle = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
std::cerr << "Failed to create socket !\n";
return false;
}
if ((m_Handle = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
std::cerr << "Failed to create socket !\n";
return false;
}
struct addrinfo* ptr = nullptr;
for (ptr = result; ptr != nullptr; ptr = ptr->ai_next) {
struct sockaddr* sockaddr = ptr->ai_addr;
if (::connect(m_Handle, sockaddr, sizeof(sockaddr_in)) != 0) {
std::cerr << "Failed to connect with this address !\n";
continue;
}
m_RemoteAddr = *sockaddr;
break;
}
struct addrinfo* ptr = nullptr;
for (ptr = result; ptr != nullptr; ptr = ptr->ai_next) {
struct sockaddr* sockaddr = ptr->ai_addr;
if (::connect(m_Handle, sockaddr, sizeof(sockaddr_in)) != 0) {
std::cerr << "Failed to connect with this address !\n";
continue;
}
m_RemoteAddr = *sockaddr;
break;
}
freeaddrinfo(result);
freeaddrinfo(result);
if (!ptr) {
std::cerr << "Could not find a suitable interface for connecting !\n";
return false;
}
if (!ptr) {
std::cerr << "Could not find a suitable interface for connecting !\n";
return false;
}
this->SetStatus(Connected);
m_RemoteIP = address;
m_Port = port;
return true;
this->SetStatus(Connected);
m_RemoteIP = address;
m_Port = port;
return true;
}
size_t TCPSocket::Send(const unsigned char* data, size_t size) {
if (this->GetStatus() != Connected)
return 0;
if (this->GetStatus() != Connected)
return 0;
size_t sent = 0;
size_t sent = 0;
while (sent < size) {
int cur = ::send(m_Handle, reinterpret_cast<const char*>(data + sent), size - sent, 0);
if (cur <= 0) {
Disconnect();
return 0;
}
sent += static_cast<std::size_t>(cur);
}
while (sent < size) {
int cur = ::send(m_Handle, reinterpret_cast<const char*>(data + sent), size - sent, 0);
if (cur <= 0) {
Disconnect();
return 0;
}
sent += static_cast<std::size_t>(cur);
}
return sent;
return sent;
}
std::size_t TCPSocket::Receive(DataBuffer& buffer, std::size_t amount) {
buffer.Resize(amount);
buffer.SetReadOffset(0);
buffer.Resize(amount);
buffer.SetReadOffset(0);
int recvAmount = ::recv(m_Handle, reinterpret_cast<char*>(buffer.data()), amount, 0);
if (recvAmount <= 0) {
int recvAmount = ::recv(m_Handle, reinterpret_cast<char*>(buffer.data()), amount, 0);
if (recvAmount <= 0) {
#if defined(_WIN32) || defined(WIN32)
int err = WSAGetLastError();
int err = WSAGetLastError();
#else
int err = errno;
int err = errno;
#endif
if (err == WOULDBLOCK) {
buffer.Clear();
return 0;
}
if (err == WOULDBLOCK) {
buffer.Clear();
return 0;
}
Disconnect();
buffer.Clear();
return 0;
}
buffer.Resize(static_cast<std::size_t>(recvAmount));
return static_cast<std::size_t>(recvAmount);
Disconnect();
buffer.Clear();
return 0;
}
buffer.Resize(static_cast<std::size_t>(recvAmount));
return static_cast<std::size_t>(recvAmount);
}
DataBuffer TCPSocket::Receive(std::size_t amount) {
std::unique_ptr<char[]> buf(new char[amount]);
std::unique_ptr<char[]> buf(new char[amount]);
int received = ::recv(m_Handle, buf.get(), amount, 0);
int received = ::recv(m_Handle, buf.get(), amount, 0);
if (received <= 0) {
if (received <= 0) {
#if defined(_WIN32) || defined(WIN32)
int err = WSAGetLastError();
int err = WSAGetLastError();
#else
int err = errno;
int err = errno;
#endif
if (err == WOULDBLOCK)
return DataBuffer();
if (err == WOULDBLOCK)
return DataBuffer();
Disconnect();
return DataBuffer();
}
Disconnect();
return DataBuffer();
}
return DataBuffer(std::string(buf.get(), static_cast<std::size_t>(received)));
return DataBuffer(std::string(buf.get(), static_cast<std::size_t>(received)));
}
TCPSocket::TCPSocket(TCPSocket&& other) : Socket(TCP) {
m_Handle = other.m_Handle;
m_Port = other.m_Port;
m_RemoteAddr = other.m_RemoteAddr;
m_RemoteIP = other.m_RemoteIP;
SetStatus(other.GetStatus());
SetBlocking(other.IsBlocking());
other.m_Handle = static_cast<SocketHandle>(INVALID_SOCKET);
m_Handle = other.m_Handle;
m_Port = other.m_Port;
m_RemoteAddr = other.m_RemoteAddr;
m_RemoteIP = other.m_RemoteIP;
SetStatus(other.GetStatus());
SetBlocking(other.IsBlocking());
other.m_Handle = static_cast<SocketHandle>(INVALID_SOCKET);
}
void SendPacket(const DataBuffer& data, network::TCPSocket& socket) {
DataBuffer compressed = utils::Compress(data);
socket.Send(reinterpret_cast<const std::uint8_t*>(compressed.ToString().data()), compressed.GetSize());
DataBuffer compressed = utils::Compress(data);
socket.Send(reinterpret_cast<const std::uint8_t*>(compressed.ToString().data()), compressed.GetSize());
}

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@@ -12,92 +12,91 @@ namespace td {
namespace network {
UDPSocket::UDPSocket()
: Socket(Socket::UDP), m_Port(0)
{
m_Handle = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
: Socket(Socket::UDP), m_Port(0) {
m_Handle = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
}
bool UDPSocket::Connect(const IPAddress& address, unsigned short port) {
if (this->GetStatus() == Connected)
return true;
if (this->GetStatus() == Connected)
return true;
m_RemoteAddr.sin_port = htons(port);
m_RemoteAddr.sin_family = AF_INET;
m_RemoteAddr.sin_addr.s_addr = inet_addr(address.ToString().c_str());
m_RemoteAddr.sin_port = htons(port);
m_RemoteAddr.sin_family = AF_INET;
m_RemoteAddr.sin_addr.s_addr = inet_addr(address.ToString().c_str());
this->SetStatus(Connected);
m_RemoteIP = IPAddress(address);
m_Port = port;
return true;
this->SetStatus(Connected);
m_RemoteIP = IPAddress(address);
m_Port = port;
return true;
}
std::size_t UDPSocket::Send(const unsigned char* data, std::size_t size) {
std::size_t sent = 0;
std::size_t sent = 0;
if (this->GetStatus() != Connected)
return 0;
if (this->GetStatus() != Connected)
return 0;
while (sent < size) {
int cur = ::sendto(m_Handle, reinterpret_cast<const char*>(data + sent), size - sent, 0,
reinterpret_cast<sockaddr*>(&m_RemoteAddr), sizeof(sockaddr_in));
if (cur <= 0) {
Disconnect();
return 0;
}
sent += static_cast<std::size_t>(cur);
}
while (sent < size) {
int cur = ::sendto(m_Handle, reinterpret_cast<const char*>(data + sent), size - sent, 0,
reinterpret_cast<sockaddr*>(&m_RemoteAddr), sizeof(sockaddr_in));
if (cur <= 0) {
Disconnect();
return 0;
}
sent += static_cast<std::size_t>(cur);
}
return sent;
return sent;
}
DataBuffer UDPSocket::Receive(std::size_t amount) {
std::unique_ptr<char[]> buf(new char[amount]);
socklen_t slen = sizeof(sockaddr_in);
std::unique_ptr<char[]> buf(new char[amount]);
socklen_t slen = sizeof(sockaddr_in);
int received = ::recvfrom(m_Handle, buf.get(), amount, 0,
reinterpret_cast<sockaddr*>(&m_RemoteAddr), &slen);
int received = ::recvfrom(m_Handle, buf.get(), amount, 0,
reinterpret_cast<sockaddr*>(&m_RemoteAddr), &slen);
if (received <= 0) {
if (received <= 0) {
#if defined(_WIN32) || defined(WIN32)
int err = WSAGetLastError();
int err = WSAGetLastError();
#else
int err = errno;
int err = errno;
#endif
if (err == WOULDBLOCK)
return DataBuffer(std::string(buf.get(), static_cast<std::size_t>(received)));
if (err == WOULDBLOCK)
return DataBuffer(std::string(buf.get(), static_cast<std::size_t>(received)));
Disconnect();
return DataBuffer();
}
Disconnect();
return DataBuffer();
}
return DataBuffer(std::string(buf.get(), static_cast<std::size_t>(received)));
return DataBuffer(std::string(buf.get(), static_cast<std::size_t>(received)));
}
std::size_t UDPSocket::Receive(DataBuffer& buffer, std::size_t amount) {
buffer.Resize(amount);
buffer.SetReadOffset(0);
buffer.Resize(amount);
buffer.SetReadOffset(0);
socklen_t slen = sizeof(sockaddr_in);
socklen_t slen = sizeof(sockaddr_in);
int recvAmount = ::recvfrom(m_Handle, reinterpret_cast<char*>(buffer.data()), amount, 0,
reinterpret_cast<sockaddr*>(&m_RemoteAddr), &slen);
if (recvAmount <= 0) {
int recvAmount = ::recvfrom(m_Handle, reinterpret_cast<char*>(buffer.data()), amount, 0,
reinterpret_cast<sockaddr*>(&m_RemoteAddr), &slen);
if (recvAmount <= 0) {
#if defined(_WIN32) || defined(WIN32)
int err = WSAGetLastError();
int err = WSAGetLastError();
#else
int err = errno;
int err = errno;
#endif
if (err == WOULDBLOCK) {
buffer.Clear();
return 0;
}
if (err == WOULDBLOCK) {
buffer.Clear();
return 0;
}
Disconnect();
buffer.Clear();
return 0;
}
buffer.Resize(static_cast<std::size_t>(recvAmount));
return static_cast<std::size_t>(recvAmount);
Disconnect();
buffer.Clear();
return 0;
}
buffer.Resize(static_cast<std::size_t>(recvAmount));
return static_cast<std::size_t>(recvAmount);
}
} // ns network