X-Git-Url: http://git.ithinksw.org/ITFoundation.git/blobdiff_plain/2f6f5b098085f36298e23e690cf27b61b4e2ec36..f7db9c0e898822c50164af5abda849c16410e035:/ITInetSocket.m diff --git a/ITInetSocket.m b/ITInetSocket.m index ad781b7..c51c05a 100755 --- a/ITInetSocket.m +++ b/ITInetSocket.m @@ -7,11 +7,268 @@ // #import "ITInetSocket.h" +#import "ITServiceBrowserDelegate.h" +#import +#import +#import +@interface ITInetSocket(Debugging) +-(NSString*)dumpv6Addrinfo:(struct addrinfo *)_ai; +@end + +@interface ITInetSocket(Private) +-(void)doConnSetupWithHost:(NSString*)host namedPort:(NSString*)namedPort; +-(void)realDoConnection; +-(void)spinoffReadLoop; +-(void)socketReadLoop:(id)data; +@end @implementation ITInetSocket --(id)initWithFD:(int)fd delegate:(id)d ++(void)startAutoconnectingToService:(NSString*)type delegate:(id )d +{ + NSNetServiceBrowser *browse = [[NSNetServiceBrowser alloc] init]; + ITServiceBrowserDelegate *bd = [[ITServiceBrowserDelegate alloc] initWithDelegate:d]; + + [browse setDelegate:bd]; + [browse searchForServicesOfType:[NSString stringWithFormat:@"._%@._tcp",type] inDomain:nil]; +} + +-(id)initWithFD:(int)fd delegate:(id )d +{ + if (self = [super init]) + { + state = ITInetSocketListening; + sockfd = fd; + delegate = [d retain]; + port = 0; + writePipe = [[ITByteStream alloc] init]; + readPipe = [[ITByteStream alloc] init]; + ai = nil; + sarr = nil; + bufs = 512; + actionflag = dieflag = 0; + } + return self; +} + +-(id)initWithDelegate:(id )d +{ + if (self = [super init]) + { + state = ITInetSocketDisconnected; + sockfd = -1; + delegate = [d retain]; + port = 0; + writePipe = [[ITByteStream alloc] init]; + readPipe = [[ITByteStream alloc] init]; + ai = nil; + sarr = nil; + bufs = 512; + actionflag = dieflag = 0; + } + return self; +} + + +-(void) dealloc +{ + shutdown(sockfd,2); + [delegate release]; + [writePipe release]; + [readPipe release]; + if (!sarr) freeaddrinfo(ai); + [sarr release]; +} + +-(void) connectToHost:(NSString*)host onPort:(short)thePort +{ + if (state == ITInetSocketDisconnected) + { + NSString *nport = [[NSNumber numberWithShort:thePort] stringValue]; + [self doConnSetupWithHost:host namedPort:nport]; + } +} + +-(void) connectToHost:(NSString*)host onNamedPort:(NSString*)_port +{ + if (state == ITInetSocketDisconnected) + { + [self doConnSetupWithHost:host namedPort:_port]; + } +} + +-(void) connectWithSockaddrArray:(NSArray*)arr +{ + if (state == ITInetSocketDisconnected) + { + NSEnumerator *e = [arr objectEnumerator]; + NSData *d; + struct addrinfo *a; + ai = malloc(sizeof(struct addrinfo)); + a = ai; + while (d = [e nextObject]) + { + struct sockaddr *s = (struct sockaddr*)[d bytes]; + a->ai_family = s->sa_family; + a->ai_addr = s; + a->ai_next = malloc(sizeof(struct addrinfo)); + a = a->ai_next; + } + } +} + +-(void)disconnect +{ + dieflag = 1; + do {} while (dieflag == 1); +} + +-(void)retryConnection +{ + ai_cur = ai_cur->ai_next?ai_cur->ai_next:ai_cur; + [self disconnect]; + [self realDoConnection]; +} + +-(ITInetSocketState)state { - return nil; + return state; +} +-(id )delegate +{ + return delegate; +} + +-(unsigned short)bufferSize +{ + return bufs; +} + +-(void)setBufferSize:(unsigned short)_bufs +{ + bufs = _bufs; } @end + +@implementation ITInetSocket(Debugging) +-(NSString*)dumpv6Addrinfo:(struct addrinfo *)_ai +{ + const char *cfmt = + "{\n" + "Flags = %x\n" + "Family = %x\n" + "Socktype = %x\n" + "Protocol = %x\n" + "Canonname = %s\n" + "Sockaddr = \n" + "\t{\n" + "\tLength = %x\n" + "\tFamily = %x\n" + "\tPort = %d\n" + "\tFlowinfo = %x\n" + "\tAddr = {%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx}\n" + "\tScope = %x\n" + "\t}\n" + "Next = %@\n" + "}\n"; + NSString *nsfmt = [NSString stringWithCString:cfmt]; + struct sockaddr_in6 *sa = (struct sockaddr_in6 *)_ai->ai_addr; + NSString *buf = [[NSMutableString alloc] initWithFormat:nsfmt,_ai->ai_flags,_ai->ai_family,_ai->ai_socktype,_ai->ai_protocol,_ai->ai_canonname?_ai->ai_canonname:"",sa->sin6_len,sa->sin6_family,sa->sin6_port,sa->sin6_flowinfo,sa->sin6_addr.__u6_addr.__u6_addr16[0],sa->sin6_addr.__u6_addr.__u6_addr16[1],sa->sin6_addr.__u6_addr.__u6_addr16[2],sa->sin6_addr.__u6_addr.__u6_addr16[3],sa->sin6_addr.__u6_addr.__u6_addr16[4],sa->sin6_addr.__u6_addr.__u6_addr16[5],sa->sin6_addr.__u6_addr.__u6_addr16[6],sa->sin6_addr.__u6_addr.__u6_addr16[7],sa->sin6_scope_id,_ai->ai_next?[self dumpv6Addrinfo:_ai->ai_next]:@"nil"]; + + return buf; +} +@end + +@implementation ITInetSocket(Private) +-(void)doConnSetupWithHost:(NSString*)host namedPort:(NSString*)namedPort +{ + struct addrinfo hints; + int err; + const char *portNam = [namedPort cString], *hostCStr = [host cString]; + + hints.ai_flags = 0; + hints.ai_family = PF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = IPPROTO_TCP; + hints.ai_addrlen = 0; + hints.ai_canonname = NULL; + hints.ai_addr = NULL; + hints.ai_next = NULL; + + err = getaddrinfo(hostCStr,portNam,&hints,&ai); + + NSLog(@"%s, h %@ p %@",gai_strerror(err),host,namedPort); + NSLog(ai?[self dumpv6Addrinfo:ai]:@""); + ai_cur = ai; + [self realDoConnection]; +} + +-(void)realDoConnection +{ + sockfd = socket(ai_cur->ai_addr->sa_family,SOCK_STREAM,IPPROTO_TCP); + [self spinoffReadLoop]; +} + +-(void)spinoffReadLoop +{ + NSPort *p1 = [NSPort port], *p2 = [NSPort port]; + NSConnection *dcon = [[NSConnection alloc] initWithReceivePort:p1 sendPort:p2]; + NSArray *par = [NSArray arrayWithObjects:p2,p1,nil]; + [dcon setRootObject:delegate]; + [NSThread detachNewThreadSelector:@selector(socketReadLoop:) toTarget:self withObject:par]; //spawn read thread +} + +-(void)socketReadLoop:(id)data +{ + NSAutoreleasePool *ap = [[NSAutoreleasePool alloc] init]; + NSConnection *dcon = [[NSConnection alloc] initWithReceivePort:[data objectAtIndex:0] sendPort:[data objectAtIndex:1]]; + NSProxy *dp = [dcon rootProxy]; + char *buf = malloc(bufs); + unsigned long readLen = 0; + signed int err; + NSLog(@"EYE MAEK CONNECT"); + err = connect(sockfd,ai_cur->ai_addr,ai_cur->ai_addrlen); + if (err == -1) + { + perror("CAwh"); + [(id)dp errorOccured:ITInetCouldNotConnect during:ITInetSocketConnecting onSocket:self]; + goto dieaction; + } + [(id)dp finishedConnecting:self]; +lstart: + + while (!actionflag && ![writePipe availableDataLength] && !dieflag) + { + NSData *d; + readLen = recv(sockfd,buf,bufs,0); + if (readLen) { + d = [NSData alloc]; + [d initWithBytesNoCopy:buf length:readLen freeWhenDone:NO]; + [readPipe writeData:d]; + [d release]; + [(id)dp dataReceived:self]; + } + } + + actionflag = 0; + + if (dieflag) + { +dieaction: + perror("Awh"); + free(buf); + shutdown(sockfd,2); + [dcon release]; + [ap release]; + dieflag = 0; + return; + } + + { + NSData *d = [writePipe readAllData]; + write(sockfd,[d bytes],[d length]); + goto lstart; + } + goto dieaction; +} +@end \ No newline at end of file