104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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kMacSocket_TimeoutErr = -2
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};
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// Since MacSocket does busy waiting, I do a callback while waiting
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typedef OSErr(*MacSocket_IdleWaitCallback) (void *);
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// Call this before anything else!
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OSErr MacSocket_Startup(void);
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// Call this to cleanup before quitting
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OSErr MacSocket_Shutdown(void);
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// Call this to allocate a "socket" (reference number is returned in
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// outSocketNum)
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// Note that inDoThreadSwitching is pretty much irrelevant right now, since I
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// ignore it
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// The inTimeoutTicks parameter is applied during reads/writes of data
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// The inIdleWaitCallback parameter specifies a callback which is called
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// during busy-waiting periods
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// The inUserRefPtr parameter is passed back to the idle-wait callback
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OSErr MacSocket_socket(int *outSocketNum, const Boolean inDoThreadSwitching,
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const long inTimeoutTicks,
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MacSocket_IdleWaitCallback inIdleWaitCallback,
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void *inUserRefPtr);
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// Call this to connect to an IP/DNS address
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// Note that inTargetAddressAndPort is in "IP:port" format-- e.g.
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// 10.1.1.1:123
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OSErr MacSocket_connect(const int inSocketNum, char *inTargetAddressAndPort);
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// Call this to listen on a port
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// Since this a low-performance implementation, I allow a maximum of 1 (one!)
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// incoming request when I listen
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OSErr MacSocket_listen(const int inSocketNum, const int inPortNum);
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// Call this to close a socket
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OSErr MacSocket_close(const int inSocketNum);
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// Call this to receive data on a socket
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// Most parameters' purpose are obvious-- except maybe "inBlock" which
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// controls whether I wait for data or return immediately
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int MacSocket_recv(const int inSocketNum, void *outBuff, int outBuffLength,
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const Boolean inBlock);
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// Call this to send data on a socket
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int MacSocket_send(const int inSocketNum, const void *inBuff,
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int inBuffLength);
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// If zero bytes were read in a call to MacSocket_recv(), it may be that the
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// remote end has done a half-close
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// This function will let you check whether that's true or not
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Boolean MacSocket_RemoteEndIsClosing(const int inSocketNum);
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// Call this to see if the listen has completed after a call to
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// MacSocket_listen()
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Boolean MacSocket_ListenCompleted(const int inSocketNum);
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// These really aren't very useful anymore
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Boolean MacSocket_LocalEndIsOpen(const int inSocketNum);
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Boolean MacSocket_RemoteEndIsOpen(const int inSocketNum);
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// You may wish to change the userRefPtr for a socket callback-- use this to
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// do it
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void MacSocket_SetUserRefPtr(const int inSocketNum, void *inNewRefPtr);
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// Call these to get the socket's IP:port descriptor
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void MacSocket_GetLocalIPAndPort(const int inSocketNum, char *outIPAndPort,
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const int inIPAndPortLength);
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void MacSocket_GetRemoteIPAndPort(const int inSocketNum, char *outIPAndPort,
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const int inIPAndPortLength);
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// Call this to get error info from a socket
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void MacSocket_GetSocketErrorInfo(const int inSocketNum,
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int *outSocketErrCode,
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char *outSocketErrString,
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const int inSocketErrStringMaxLength);
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#ifdef __cplusplus
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}
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#endif
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