X-Git-Url: http://git.ithinksw.org/ITFoundation.git/blobdiff_plain/fbc584e3df355220dfd44f7207e304dbe7dd5d93..14a301f7aa7b244c4831006cfc4cfa42185517a4:/ITInetSocket.m diff --git a/ITInetSocket.m b/ITInetSocket.m index 0be64d5..af5d8a2 100755 --- a/ITInetSocket.m +++ b/ITInetSocket.m @@ -7,15 +7,33 @@ // #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]) { @@ -23,14 +41,17 @@ sockfd = fd; delegate = [d retain]; port = 0; - writePipe = [[ITByteStream alloc] init]; - readPipe = [[ITByteStream alloc] init]; + writePipe = [[ITByteStream alloc] initWithDelegate:self]; + readPipe = [[ITByteStream alloc] initWithDelegate:d]; ai = nil; + sarr = nil; + bufs = 512; + actionflag = dieflag = 0; } return self; } --(id)initWithDelegate:(id)d +-(id)initWithDelegate:(id )d { if (self = [super init]) { @@ -38,74 +59,231 @@ sockfd = -1; delegate = [d retain]; port = 0; - writePipe = [[ITByteStream alloc] init]; - readPipe = [[ITByteStream alloc] init]; + writePipe = [[ITByteStream alloc] initWithDelegate:self]; + readPipe = [[ITByteStream alloc] initWithDelegate:d]; 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) { - struct addrinfo hints; - int err; - const char *portNam = [[[NSNumber numberWithShort:thePort] stringValue] cString], *hostCStr = [host cString]; + NSString *nport = [[NSNumber numberWithShort:thePort] stringValue]; + [self doConnSetupWithHost:host namedPort:nport]; + } +} - hints.ai_flags = 0; - hints.ai_family = PF_INET6; - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = IPPROTO_TCP; - hints.ai_canonname = NULL; - hints.ai_addr = NULL; - hints.ai_next = NULL; +-(void) connectToHost:(NSString*)host onNamedPort:(NSString*)_port +{ + if (state == ITInetSocketDisconnected) + { + [self doConnSetupWithHost:host namedPort:_port]; + } +} - err = getaddrinfo(hostCStr,portNam,&hints,&ai); - if (err == EAI_NODATA) //it's a dotted-decimal IPv4 string, so we use v6compat stuff now +-(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]) { - err = getaddrinfo([[NSString stringWithFormat:@"ffff::%s",hostCStr] cString],portNam,&hints,&ai); + 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; } - NSLog([self dumpv6Addrinfo:ai]); } } +-(void)disconnect +{ + NSLog(@"Got a 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 state; } +-(id )delegate +{ + return delegate; +} + +-(unsigned short)bufferSize +{ + return bufs; +} + +-(void)setBufferSize:(unsigned short)_bufs +{ + bufs = _bufs; +} + +-(void)newDataAdded:(ITByteStream*)sender +{ + NSLog(@"writePipe got something"); + actionflag = 1; + NSLog(@"thread saw actionFlag"); +} @end @implementation ITInetSocket(Debugging) -(NSString*)dumpv6Addrinfo:(struct addrinfo *)_ai { const char *cfmt = - "\{\n" + "{\n" "Flags = %x\n" "Family = %x\n" "Socktype = %x\n" "Protocol = %x\n" "Canonname = %s\n" "Sockaddr = \n" - "{\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" + "\tAddr = {%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx}\n" "\tScope = %x\n" - "}\n" - "Next = "; + "\t}\n" + "Next = %@\n" + "}\n"; NSString *nsfmt = [NSString stringWithCString:cfmt]; - NSMutableString *buf = [[[NSMutableString alloc] init] autorelease]; + 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"]; - do + 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] retain]; + char *buf = malloc(bufs); + unsigned long readLen = 0; + signed int err; + [readPipe setDelegate:dp]; + NSLog(@"Connecting"); + err = connect(sockfd,ai_cur->ai_addr,ai_cur->ai_addrlen); + if (err == -1) { - struct sockaddr_in6 *sa = (struct sockaddr_in6 *)_ai->ai_addr; - [buf appendFormat: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]; + perror("CAwh"); + [(id)dp errorOccured:ITInetCouldNotConnect during:ITInetSocketConnecting onSocket:self]; + goto dieaction; } - while (_ai = _ai->ai_next); - [buf appendString:@"nil\n}"]; - return buf; + NSLog(@"Sending finishedConnecting"); + [(id)dp finishedConnecting:self]; +lstart: + + while (!actionflag && !dieflag) + { + NSData *d; + readLen = recv(sockfd,buf,bufs,0); + if (readLen == -1) {[(id)dp errorOccured:ITInetConnectionDropped during:ITInetSocketReading onSocket:self];goto dieaction;} + if (readLen) { + NSLog(@"recv'd"); + NSLog(@"Doing writeData to readPipe"); + [readPipe writeBytes:buf len:readLen]; + [ap release]; + ap = [[NSAutoreleasePool alloc] init]; + } + } + + actionflag = 0; + + if (dieflag) + { +dieaction: + perror("Awh"); + free(buf); + shutdown(sockfd,2); + [dcon release]; + [dp release]; + [ap release]; + dieflag = 0; + return; + } + + { + NSLog(@"Emptying writePipe"); + NSData *d = [writePipe readAllData]; + write(sockfd,[d bytes],[d length]); + [ap release]; + ap = [[NSAutoreleasePool alloc] init]; + goto lstart; + } + goto dieaction; } @end \ No newline at end of file