尝试使用适用于RedPark的RedSocket SDK的Xamarin Binding项目连接到套接字。得到以下错误
lwip_connect：无效地址“在第495行失败了 /Users/jeremy/Dev/Folsom/Folsom_570/RecEthernet/tcp/api/sockets.c
但我没有看到任何用户在我的Mac中存在该名称，任何人都可以帮助我理解根本原因吗？
My Binding项目的ApiDefinitions.cs代码
namespace RedparkEthernetBinding
{
using System.Net;
using System;
using Foundation;
using RedparkEthernetBinding;
// @protocol RedSocketManagerProtocol <NSObject>
[Protocol]
[BaseType (typeof(NSObject))]
interface RedSocketManagerProtocol
{
// @required -(void)configureNetworkInterface:(NSString *)deviceIPAddress gateway:(NSString *)gateway netmask:(NSString *)netmask dns:(NSString *)dns;
[Export ("configureNetworkInterface:gateway:netmask:dns:")]
void ConfigureNetworkInterface (string deviceIPAddress, string gateway, string netmask, string dns);
// @required -(NSString *)ipAddress;
[Export ("ipAddress")]
string IpAddress { get; }
// @required -(NSString *)gatewayAddress;
[Export ("gatewayAddress")]
string GatewayAddress { get; }
// @required -(NSString *)netmask;
[Export ("netmask")]
string Netmask { get; }
// @required -(NSString *)dnsAddress;
[Export ("dnsAddress")]
string DnsAddress { get; }
// @required -(int)socket:(int)domain type:(int)type protocol:(int)protocol;
[Export ("socket:type:protocol:")]
int Socket (int domain, int type, int protocol);
// @required -(int)accept:(int)s addr:(struct sockaddr *)addr addrlen:(socklen_t *)addrlen;
//[Abstract]
[Export ("accept:addr:addrlen:")]
unsafe int Accept (int s, IntPtr addr, uint addrlen);
// @required -(void)acceptAsync:(int)listenSocket addr:(struct sockaddr *)addr addrlen:(socklen_t *)addrlen;
[Export ("acceptAsync:addr:addrlen:")]
unsafe void AcceptAsync (int listenSocket,IntPtr addr, uint addrlen);
// @required -(int)bind:(int)s name:(const struct sockaddr *)name nameline:(socklen_t)namelen;
[Export ("bind:name:nameline:")]
unsafe int Bind (int s,IntPtr name, uint namelen);
// @required -(int)shutdown:(int)s how:(int)how;
[Export ("shutdown:how:")]
int Shutdown (int s, int how);
// @required -(int)getpeername:(int)s name:(struct sockaddr *)name namelen:(socklen_t *)namelen;
[Export ("getpeername:name:namelen:")]
unsafe int Getpeername (int s,IntPtr name, uint namelen);
// @required -(int)getsockname:(int)s name:(struct sockaddr *)name namelen:(socklen_t *)namelen;
[Export ("getsockname:name:namelen:")]
unsafe int Getsockname (int s,IntPtr name, uint namelen);
// @required -(int)getsockopt:(int)s level:(int)level optname:(int)optname optval:(void *)optval optlen:(socklen_t *)optlen;
[Export ("getsockopt:level:optname:optval:optlen:")]
unsafe int Getsockopt (int s, int level, int optname, IntPtr optval, uint optlen);
// @required -(int)setsockopt:(int)s level:(int)level optname:(int)optname optval:(const void *)optval opelen:(socklen_t)optlen;
[Export ("setsockopt:level:optname:optval:opelen:")]
unsafe int Setsockopt (int s, int level, int optname, IntPtr optval, uint optlen);
// @required -(int)close:(int)s;
[Export ("close:")]
int Close (int s);
// @required -(int)connect:(int)s sockaddr:(const struct sockaddr *)name namelen:(socklen_t)namelen;
[Export ("connect:sockaddr:namelen:")]
unsafe int Connect (int s, IntPtr name, uint namelen);
// @required -(int)listen:(int)s backlog:(int)backlog;
[Export ("listen:backlog:")]
int Listen (int s, int backlog);
// @required -(int)recv:(int)s mem:(void *)mem len:(size_t)len flags:(int)flags;
[Export ("recv:mem:len:flags:")]
unsafe int Recv (int s, IntPtr mem, nuint len, int flags);
// @required -(int)read:(int)s mem:(void *)mem len:(size_t)len;
[Export ("read:mem:len:")]
unsafe int Read (int s, IntPtr mem, nuint len);
// @required -(int)recvfrom:(int)s mem:(void *)mem len:(size_t)len flags:(int)flags from:(struct sockaddr *)from fromlen:(socklen_t *)fromlen;
[Export ("recvfrom:mem:len:flags:from:fromlen:")]
unsafe int Recvfrom (int s, IntPtr mem, nuint len, int flags,IntPtr from, uint fromlen);
// @required -(void)recvAsync:(int)sock buffer:(void *)buffer length:(size_t)length;
[Export ("recvAsync:buffer:length:")]
unsafe void RecvAsync (int sock, IntPtr buffer, nuint length);
// @required -(int)send:(int)s dataptr:(const void *)dataptr size:(size_t)size flags:(int)flags;
[Export ("send:dataptr:size:flags:")]
unsafe int Send (int s, IntPtr dataptr, nuint size, int flags);
// @required -(int)sendto:(int)s dataprt:(const void *)dataptr size:(size_t)size flags:(int)flags to:(const struct sockaddr *)to tolen:(socklen_t)tolen;
[Export ("sendto:dataprt:size:flags:to:tolen:")]
unsafe int Sendto (int s, IntPtr dataptr, nuint size, int flags, IntPtr to, uint tolen);
// @required -(int)write:(int)s dataptr:(const void *)dataptr size:(size_t)size;
[Export ("write:dataptr:size:")]
unsafe int Write (int s, IntPtr dataptr, nuint size);
// // @required -(int)select:(int)maxfdp1 readset:(fd_set *)readset writeset:(fd_set *)writeset exceptset:(fd_set *)exceptset timeout:(struct timeval *)timeout;
//
// [Export ("select:readset:writeset:exceptset:timeout:")]
// unsafe int Select (int maxfdp1, fd_set readset, fd_set writeset, fd_set exceptset, timeval timeout);
// @required -(int)ioctl:(int)s cmd:(long)cmd argp:(void *)argp;
[Export ("ioctl:cmd:argp:")]
unsafe int Ioctl (int s, nint cmd, IntPtr argp);
// @required -(int)fcntl:(int)s cmd:(int)cmd val:(int)val;
[Export ("fcntl:cmd:val:")]
int Fcntl (int s, int cmd, int val);
// @required -(int)abort_recv:(int)s;
[Export ("abort_recv:")]
int Abort_recv (int s);
// @required -(int)abort_all:(int)s;
[Export ("abort_all:")]
int Abort_all (int s);
[Export("Delegate"),NullAllowed]
NSObject WeakDelegate { get; set;}
[Wrap("WeakDelegate")]
RedSocketManager Delegate{ get; set;}
// @required -(BOOL)isCableConnected;
[Export ("isCableConnected")]
bool IsCableConnected { get; }
// @required -(NSString *)getAccessoryFirmwareVersion;
[Export ("getAccessoryFirmwareVersion")]
string AccessoryFirmwareVersion { get; }
// @required -(int)getRxCounter;
[Export ("getRxCounter")]
int RxCounter { get; }
// @required -(void)resetRxCounter;
[Export ("resetRxCounter")]
void ResetRxCounter ();
}
// @protocol RedSocketManagerDelegate <NSObject>
[Protocol, Model]
[BaseType (typeof(NSObject))]
interface RedSocketManagerDelegate
{
// @required -(void)cableConnected:(NSString *)protocol;
[Abstract]
[Export ("cableConnected:")]
void CableConnected (string protocol);
[Abstract]
// @required -(void)cableDisconnected;
[Export ("cableDisconnected")]
void CableDisconnected ();
// @optional -(void)didAssignIpAddress:(NSString *)deviceAddress gateway:(NSString *)gateway netmask:(NSString *)netmask;
[Export ("didAssignIpAddress:gateway:netmask:")]
void DidAssignIpAddress (string deviceAddress, string gateway, string netmask);
// @optional -(void)didSocketRecv:(int)socket buffer:(void *)buffer bytesRead:(int)bytesRead;
[Export ("didSocketRecv:buffer:bytesRead:")]
unsafe void DidSocketRecv (int socket, IntPtr buffer, int bytesRead);
// @optional -(void)didSocketAccept:(int)newSocket addr:(struct sockaddr *)addr addrlen:(socklen_t *)addrlen;
[Export ("didSocketAccept:addr:addrlen:")]
unsafe void DidSocketAccept (int newSocket,IntPtr addr, uint addrlen);
}
// [Protocol, Model]
// [BaseType (typeof(NSObject))]
// interface RedSocketManagerProtocol
// {}
//
// @interface RedSocketManager : NSObject
[BaseType (typeof(NSObject))]
interface RedSocketManager
{
[Static]
// +(id<RedSocketManagerProtocol>)sharedInstance;
[Export ("sharedInstance")]
RedSocketManagerProtocol SharedInstance { get; }
}
}
structures & Enums,
public struct hostent
{
}
static class CFunctions
{
// extern struct hostent * redsocket_gethostbyname (const char * name);
[DllImport ("__Internal")]
static extern unsafe hostent* redsocket_gethostbyname (sbyte* name);
// extern UInt32 RedEthernet_calcCRC32 (UInt32 * buffer, unsigned int numWords);
[DllImport ("__Internal")]
static extern unsafe uint RedEthernet_calcCRC32 (uint* buffer, uint numWords);
}
[StructLayoutAttribute(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct sockaddr {
/// u_short->unsigned short
public ushort sa_family;
/// char[14]
[MarshalAsAttribute(UnmanagedType.ByValTStr, SizeConst=14)]
public string sa_data;
}
[StructLayoutAttribute(LayoutKind.Sequential)]
public struct fd_set {
/// u_int->unsigned int
public uint fd_count;
/// SOCKET[64]
[MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst=64, ArraySubType=UnmanagedType.U4)]
public uint[] fd_array;
}
[StructLayoutAttribute(LayoutKind.Sequential)]
public struct timeval {
/// int
public int tv_sec;
/// int
public int tv_usec;
}
[StructLayoutAttribute(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct sockaddr_in {
/// short
public short sin_family;
/// u_short->unsigned short
public ushort sin_port;
/// in_addr
public in_addr sin_addr;
/// char[8]
[MarshalAsAttribute(UnmanagedType.ByValTStr, SizeConst=8)]
public string sin_zero;
}
[StructLayoutAttribute(LayoutKind.Sequential)]
public struct in_addr {
public uint s_addr;
}
谢谢， 拉维
答案 0 :(得分：0)
由于sockaddr结构指针未在connect方法中保存ip地址详细信息，因此出现此错误。