1 #pragma once 2 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 8 9 10 enum 11 { 12 kMacSocket_TimeoutErr = -2 13 }; 14 15 16 // Since MacSocket does busy waiting, I do a callback while waiting 17 18 typedef OSErr (*MacSocket_IdleWaitCallback)(void *); 19 20 21 // Call this before anything else! 22 23 OSErr MacSocket_Startup(void); 24 25 26 // Call this to cleanup before quitting 27 28 OSErr MacSocket_Shutdown(void); 29 30 31 // Call this to allocate a "socket" (reference number is returned in outSocketNum) 32 // Note that inDoThreadSwitching is pretty much irrelevant right now, since I ignore it 33 // The inTimeoutTicks parameter is applied during reads/writes of data 34 // The inIdleWaitCallback parameter specifies a callback which is called during busy-waiting periods 35 // The inUserRefPtr parameter is passed back to the idle-wait callback 36 37 OSErr MacSocket_socket(int *outSocketNum,const Boolean inDoThreadSwitching,const long inTimeoutTicks,MacSocket_IdleWaitCallback inIdleWaitCallback,void *inUserRefPtr); 38 39 40 // Call this to connect to an IP/DNS address 41 // Note that inTargetAddressAndPort is in "IP:port" format-- e.g. 10.1.1.1:123 42 43 OSErr MacSocket_connect(const int inSocketNum,char *inTargetAddressAndPort); 44 45 46 // Call this to listen on a port 47 // Since this a low-performance implementation, I allow a maximum of 1 (one!) incoming request when I listen 48 49 OSErr MacSocket_listen(const int inSocketNum,const int inPortNum); 50 51 52 // Call this to close a socket 53 54 OSErr MacSocket_close(const int inSocketNum); 55 56 57 // Call this to receive data on a socket 58 // Most parameters' purpose are obvious-- except maybe "inBlock" which controls whether I wait for data or return immediately 59 60 int MacSocket_recv(const int inSocketNum,void *outBuff,int outBuffLength,const Boolean inBlock); 61 62 63 // Call this to send data on a socket 64 65 int MacSocket_send(const int inSocketNum,const void *inBuff,int inBuffLength); 66 67 68 // If zero bytes were read in a call to MacSocket_recv(), it may be that the remote end has done a half-close 69 // This function will let you check whether that's true or not 70 71 Boolean MacSocket_RemoteEndIsClosing(const int inSocketNum); 72 73 74 // Call this to see if the listen has completed after a call to MacSocket_listen() 75 76 Boolean MacSocket_ListenCompleted(const int inSocketNum); 77 78 79 // These really aren't very useful anymore 80 81 Boolean MacSocket_LocalEndIsOpen(const int inSocketNum); 82 Boolean MacSocket_RemoteEndIsOpen(const int inSocketNum); 83 84 85 // You may wish to change the userRefPtr for a socket callback-- use this to do it 86 87 void MacSocket_SetUserRefPtr(const int inSocketNum,void *inNewRefPtr); 88 89 90 // Call these to get the socket's IP:port descriptor 91 92 void MacSocket_GetLocalIPAndPort(const int inSocketNum,char *outIPAndPort,const int inIPAndPortLength); 93 void MacSocket_GetRemoteIPAndPort(const int inSocketNum,char *outIPAndPort,const int inIPAndPortLength); 94 95 96 // Call this to get error info from a socket 97 98 void MacSocket_GetSocketErrorInfo(const int inSocketNum,int *outSocketErrCode,char *outSocketErrString,const int inSocketErrStringMaxLength); 99 100 101 #ifdef __cplusplus 102 } 103 #endif 104