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@ -151,6 +151,34 @@ static int TranslateError(int error) {
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return error;
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}
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/// Holds the translation from system network socket options to 3DS network socket options
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/// Note: -1 = No effect/unavailable
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static const std::unordered_map<int, int> sockopt_map = { {
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{ 0x0004, SO_REUSEADDR },
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{ 0x0080, -1 },
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{ 0x0100, -1 },
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{ 0x1001, SO_SNDBUF },
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{ 0x1002, SO_RCVBUF },
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{ 0x1003, -1 },
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#ifdef _WIN32
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/// Unsupported in WinSock2
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{ 0x1004, -1 },
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#else
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{ 0x1004, SO_RCVLOWAT },
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#endif
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{ 0x1008, SO_TYPE },
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{ 0x1009, SO_ERROR },
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}};
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/// Converts a socket option from 3ds-specific to platform-specific
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static int TranslateSockOpt(int console_opt_name) {
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auto found = sockopt_map.find(console_opt_name);
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if (found != sockopt_map.end()) {
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return found->second;
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}
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return console_opt_name;
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}
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/// Holds information about a particular socket
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struct SocketHolder {
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u32 socket_fd; ///< The socket descriptor
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@ -295,26 +323,6 @@ union CTRSockAddr {
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}
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};
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/// Filters valid sockopt names and converts from platform-specific name if necessary
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static int GetSockOptName(u32 name) {
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switch(name) {
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case SO_RCVLOWAT:
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#ifdef _WIN32
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// LOWAT not supported by WinSock
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return -1;
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#endif
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case SO_REUSEADDR:
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case SO_SNDBUF:
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case SO_RCVBUF:
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case SO_TYPE:
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case SO_ERROR:
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return name;
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default:
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// all other options are either ineffectual or unsupported
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return -1;
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}
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}
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/// Holds info about the currently open sockets
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static std::unordered_map<u32, SocketHolder> open_sockets;
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@ -748,7 +756,7 @@ static void GetSockOpt(Service::Interface* self) {
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u32* cmd_buffer = Kernel::GetCommandBuffer();
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u32 socket_handle = cmd_buffer[1];
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u32 level = cmd_buffer[2];
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int optname = GetSockOptName(cmd_buffer[3]);
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int optname = TranslateSockOpt(cmd_buffer[3]);
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socklen_t optlen = (socklen_t)cmd_buffer[4];
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int ret = -1;
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@ -783,7 +791,7 @@ static void SetSockOpt(Service::Interface* self) {
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u32* cmd_buffer = Kernel::GetCommandBuffer();
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u32 socket_handle = cmd_buffer[1];
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u32 level = cmd_buffer[2];
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int optname = GetSockOptName(cmd_buffer[3]);
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int optname = TranslateSockOpt(cmd_buffer[3]);
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int ret = -1;
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int err = 0;
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