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<div style="width:100%; position:fixed;"><div align="center" id="watermark" style="position: relative; margin-left:auto; margin-right:auto; z-index:20; width:500px;"><div class="legacybox"><h1>Not Recommended Document<span class=closebutton><a href="javascript:closeWatermark()"><img src="../../images/closebutton.png" width="14" height="14" border="0" alt="close button"></a></span></h1>
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<pre class="sourcecodebox">/* File: TCPPitchSample.cp Contains: Tcp pitch sample. Copyright: © 1993-1997, 2000 by Apple Computer, Inc., all rights reserved.*/// OT TCP Pitch Test Program (as an SIOW app)#include <OpenTransport.h>#include <OpenTransportProviders.h>#include <Processes.h>#include <stdio.h>#include <StdLib.h>#include "ServerInfo.h"#include <AppleEvents.h>#ifndef T_DISCON_IND#define T_DISCON_IND 128#endif/********************************************************************************* GLOBAL VARIABLES********************************************************************************/InetPort gCatchPort = 0;InetHost gCatchIpAddr = 0;InetPort gPitchPort = 0;InetHost gPitchIpAddr = 0; unsigned short gBindCompleted = 0;unsigned short gCallRcvOrdDiscon = 0;static OTNotifyUPP gNotifier = nil;struct InetAddress gCatchAddr;/********************************************************************************* Function Prototypes********************************************************************************/void Inits();OSErr GetServerInfo();void CleanUp();void Idle(); void DoIt();OSErr FindProcessBySignature( const OSType targetType, const OSType targetCreator, ProcessSerialNumberPtr psnPtr );OTResult SetFourByteOption(EndpointRef ep, OTXTILevel level, OTXTIName name, UInt32 value);/********************************************************************************* main function********************************************************************************/void main(){ printf ("Hello World\n"); Inits(); if (GetServerInfo() == noErr) { DoIt(); } else printf ("GetServerInfo returned an error\n"); CleanUp();}/********************************************************************************* Initialize Quickdraw and ASLM********************************************************************************/void Inits(){ if (InitOpenTransport() != kOTNoError) { fprintf(stderr, "OTTcpPitch: Could not initialize ASLM, exiting\n"); exit(1); }}/******************************************************************************* The FindProcessBySignature function returns a ProcessSerialNumber for a process whose signature (type and creator) matches the input values. The ProcessSerialNumber will be kNoProcess is the requested process cannot be found. targetType input: The file type of the process to be found. targetCreator input: The creator type of the process to be found. psnPtr input: Pointer to a ProcessSerialNumber where the process serial number is returned. output: Process serial number. RESULT CODES ____________ noErr 0 No error procNotFound \xD0600 No eligible process with specified descriptor ____________********************************************************************************/OSErr FindProcessBySignature( const OSType targetType, const OSType targetCreator, ProcessSerialNumberPtr psnPtr ){ OSErr anErr = noErr; Boolean foundTheProcess = false; ProcessInfoRec infoRec; infoRec.processInfoLength = sizeof( ProcessInfoRec ); infoRec.processName = nil; infoRec.processLocation = nil; infoRec.processAppSpec = nil; psnPtr->lowLongOfPSN = kNoProcess; psnPtr->highLongOfPSN = kNoProcess; while ( !foundTheProcess && (anErr == noErr) ) { anErr = GetNextProcess( psnPtr ); if ( anErr == noErr ) { anErr = GetProcessInformation( psnPtr, &infoRec ); if ( ( anErr == noErr ) && ( infoRec.processType == targetType ) && ( infoRec.processSignature == targetCreator ) ) { foundTheProcess = true; } } } return anErr;}//end FindProcessBySignature/********************************************************************************* Send an Apple Event to find out if the server is up and running** which will return the address to send the event to ********************************************************************************/OSErr GetServerInfo(){ AppleEvent reqEvent = { typeNull, nil }; AppleEvent retEvent = { typeNull, nil }; DescType typeCode; OSErr err; ProcessSerialNumber psn = { kNoProcess, kNoProcess }; AEDesc targetAppDesc = { typeNull, nil }; Size size; char mystr[255]; UInt32 dummy; err = FindProcessBySignature(kApplicationFileType, kPassServerSignature, &psn); if (err == noErr) { err = AECreateDesc (typeProcessSerialNumber, &psn, sizeof( ProcessSerialNumber ), &targetAppDesc); if ( err == noErr ) { err = AECreateAppleEvent( kPassServerInfoClass, kPassServerInfoEvent, &targetAppDesc, kAutoGenerateReturnID, kAnyTransactionID, &reqEvent); if (err) printf("AECreateAppleEvent returned error %d\n", err); } else printf("AECreateDesc returned error %d\n", err); AEDisposeDesc( &targetAppDesc ); } else printf("FindProcessBySignature returned error %d\n", err); if (err == noErr) { // we have to insert a dummy in the outgoing AppleEvent list which the // LocalServer is expecting, but will not do anything with. Just doing this // for kicks err = AEPutParamPtr(&reqEvent, keyDirectObject, typeLongInteger, &dummy, sizeof(dummy) ); } if (err == noErr) { err = AESend(&reqEvent, &retEvent, kAEWaitReply+kAENeverInteract, kAENormalPriority, kAEDefaultTimeout, nil, nil); if (err != noErr) { printf("Error calling AESend = %d\n", err); } else { // get the apple event object err = AEGetParamPtr(&retEvent, keyDirectObject, kPassServerType, &typeCode, &gCatchAddr, sizeof (struct InetAddress), &size ); if (err != noErr) printf("Error calling AEGetParamDesc to get the catch address %d\n", err); // dispose of the returned apple event AEDisposeDesc(&retEvent); } AEDisposeDesc(&reqEvent); } if (err == noErr) { OTInetHostToString(gCatchAddr.fHost, mystr); printf("LocalServer found at %s, port %d.\n", mystr, gCatchAddr.fPort); } return err;}/********************************************************************************* Clean up at the end********************************************************************************/void CleanUp(){ CloseOpenTransport();}/********************************************************************************* Idle********************************************************************************/void Idle(){ EventRecord theEvent; WaitNextEvent(everyEvent, &theEvent, 1, nil);}/********************************************************************************* EventHandler********************************************************************************/pascal void EventHandler(void*, OTEventCode event, OTResult, void*){ OTEventCode tempevent = 0; switch ( event ) { case T_BINDCOMPLETE: gBindCompleted = 1; break; case T_DATA: printf("T_DATA event occurred\n"); break; case T_ERROR: printf("T_ERROR event occurred\n"); break; default: printf("TCP EventHandler got unexpected event %d", event); break; } return;}/********************************************************************************* DoIt********************************************************************************/void DoIt(){ TEndpoint* ep = NULL; TEndpointInfo info; struct InetAddress rcvsin, reqsin, retsin; TBind req, ret; TUnitData sendunitdata, rcvunitdata; OSStatus err = kOTNoError; OTResult result; long myport = 0; char mystr[255]; OTFlags flags = 0; OTTimeStamp time; OTTimeStamp end, begin, diff; UInt32 diffInMsec; UInt32 i, j; UInt8 *ptr; myport = 0; gPitchPort =(InetPort) myport; gPitchIpAddr = gCatchAddr.fHost; OTMemset(&rcvsin, 0, sizeof(struct InetAddress)); OTMemset(&reqsin, 0, sizeof(struct InetAddress)); OTMemset(&rcvsin, 0, sizeof(struct InetAddress)); OTMemset(&req, 0, sizeof(TBind)); OTMemset(&ret, 0, sizeof(TBind)); do { // // Now create a TCP // ep = OTOpenEndpoint(OTCreateConfiguration(kUDPName), 0, &info, &err); if ( ep == NULL || err != kOTNoError ) { ep = NULL; fprintf(stderr,"ERROR: OpenEndpoint(\"UDP\") failed with %d\n", err); break; } err = ep->SetSynchronous(); if ( err != kOTNoError ) { fprintf(stderr, "ERROR: SetSynchronous() failed with %d\n", err); break; } // // Install notifier we're going to use for testing // gNotifier = NewOTNotifyUPP(EventHandler); err = ep->InstallNotifier(gNotifier, 0); if ( err != kOTNoError ) { fprintf(stderr, "ERROR: InstallNotifier() failed with %d\n", err); break; } // // Try to bind // gPitchIpAddr = 0; OTInitInetAddress(&reqsin, gPitchPort, gPitchIpAddr); req.addr.len = sizeof(struct InetAddress); req.addr.buf = (unsigned char *) &reqsin; req.qlen = 0; // don't care for udp ret.addr.maxlen = sizeof(struct InetAddress); ret.addr.buf = (unsigned char *) &retsin; OTInetHostToString(retsin.fHost, mystr); printf("Trying to bind at %s, port %d.\n", mystr, gPitchPort); // bind TCP to current address and port err = ep->Bind(&req, &ret); if ( err != kOTNoError ) { fprintf(stderr, "ERROR: Bind() failed with %d\n", err); break; } OTInetHostToString(retsin.fHost, mystr); printf("Bound ep to %s, port %d.\n", mystr, retsin.fPort); err = ep->SetSynchronous(); if ( err != kOTNoError ) { fprintf(stderr, "ERROR: SetSynchronous() failed with %d\n", err); break; } for (i = 0; i < 50; i++) { OTGetTimeStamp(&time); sendunitdata.addr.len = sizeof(struct InetAddress); sendunitdata.addr.buf = (UInt8*) &gCatchAddr; sendunitdata.opt.len = 0; sendunitdata.opt.buf = 0; sendunitdata.udata.len = sizeof(time); sendunitdata.udata.buf = (UInt8*)&time; rcvunitdata.addr.maxlen = sizeof(struct InetAddress); rcvunitdata.addr.buf = (UInt8*) &rcvsin; rcvunitdata.opt.maxlen = 0; rcvunitdata.opt.buf = 0; rcvunitdata.udata.maxlen = sizeof(time); rcvunitdata.udata.len = 0; // set address of "begin" as the buffer to return the OTTimeStamp in rcvunitdata.udata.buf = (UInt8*)&begin; err = ep->SndUData(&sendunitdata); if ( err == kOTNoError) { // the server will return the byte sent result = ep->RcvUData(&rcvunitdata, &flags); // get a timestamp OTGetTimeStamp(&end); fprintf(stderr, "Sent bytes: <%d> data\n", sendunitdata.udata.len); // print out the bytes of the time stamp if (result == kOTNoError) { fprintf(stderr, "Rcv'd nbytes: <%d> data\n", rcvunitdata.udata.len); // "begin" should contain the original time stamp OTSubtractTimeStamps(&diff, &begin, &end); diffInMsec = OTTimeStampInMilliseconds(&diff); printf("%ld bytes received - %ld milliseconds\n", rcvunitdata.udata.len, diffInMsec); ptr = (UInt8*) &begin; for (j = 0; j < rcvunitdata.udata.len; j++) fprintf(stderr, "%X ", *ptr++); fprintf(stderr, "\n"); } else fprintf(stderr, "OTRcvUData error %d\n", result); } else { fprintf(stderr, "ERROR: Snd() failed with %d\n", err); break; } Idle(); fflush(stderr); } } while (false); if ( ep != NULL ) { err = ep->SetSynchronous(); // // Remove notifier // ep->RemoveNotifier(); // // Try to Unbind // err = ep->Unbind(); if ( err != kOTNoError ) { fprintf(stderr, "ERROR: Unbind() returned %d\n", err); } // // Get rid of endpoint. // err = OTCloseProvider(ep); if ( err != kOTNoError ) { fprintf(stderr, "ERROR: CloseEndpoint() failed with %d\n", err); } } fprintf(stderr, "Bye\n");}OTResult SetFourByteOption(EndpointRef ep, OTXTILevel level, OTXTIName name, UInt32 value){ OTResult err; TOption option; TOptMgmt request; TOptMgmt result; /* Set up the option buffer to specify the option and value to set. */ option.len = kOTFourByteOptionSize; option.level= level; option.name = name; option.status = 0; option.value[0] = value; /* Set up request parameter for OTOptionManagement */ request.opt.buf= (UInt8 *) &option; request.opt.len= sizeof(option); request.flags = T_NEGOTIATE; /* Set up reply parameter for OTOptionManagement. */ result.opt.buf = (UInt8 *) &option; result.opt.maxlen = sizeof(option); err = OTOptionManagement(ep, &request, &result); if (err == noErr) { if (option.status != T_SUCCESS) err = option.status; } return (err);}</pre>
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