+++ /dev/null
-//
-// ITInetSocket.m
-// ITFoundation
-//
-// Created by Alexander Strange on Tue Feb 11 2003.
-// Copyright (c) 2003 __MyCompanyName__. All rights reserved.
-//
-
-#import "ITInetSocket.h"
-#import "ITServiceBrowserDelegate.h"
-#import <sys/socket.h>
-#import <arpa/inet.h>
-#import <unistd.h>
-
-@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
-+(void)startAutoconnectingToService:(NSString*)type delegate:(id <ITInetSocketDelegate,NSObject>)d
-{
- NSNetServiceBrowser *browse = [[NSNetServiceBrowser alloc] init];
- ITServiceBrowserDelegate *bd = [[ITServiceBrowserDelegate alloc] initWithDelegate:d];
-
- [browse setDelegate:bd];
- [browse searchForServicesOfType:[NSString stringWithFormat:@"_%@._tcp.",type] inDomain:@""];
-}
-
--(id)initWithFD:(int)fd delegate:(id <ITInetSocketDelegate,NSObject>)d
-{
- if (self = [super init])
- {
- state = ITInetSocketListening;
- sockfd = fd;
- delegate = [d retain];
- port = 0;
- writePipe = [[ITByteStream alloc] initWithDelegate:self];
- readPipe = [[ITByteStream alloc] initWithDelegate:d];
- ai = nil;
- sarr = nil;
- bufs = 512;
- actionflag = dieflag = 0;
- nc = 0;
- }
- [self spinoffReadLoop];
- return self;
-}
-
--(id)initWithDelegate:(id <ITInetSocketDelegate,NSObject>)d
-{
- if (self = [super init])
- {
- state = ITInetSocketDisconnected;
- sockfd = -1;
- delegate = [d retain];
- port = 0;
- writePipe = [[ITByteStream alloc] initWithDelegate:self];
- readPipe = [[ITByteStream alloc] initWithDelegate:d];
- ai = nil;
- sarr = nil;
- bufs = 512;
- actionflag = dieflag = 0;
- nc = 1;
- }
- 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,*oa;
- ai = malloc(sizeof(struct addrinfo));
- ai_cur = ai;
- oa = a = ai;
- bzero(a,sizeof(struct addrinfo));
- while (d = [e nextObject])
- {
- struct sockaddr *s = (struct sockaddr*)[d bytes];
- bzero(a,sizeof(struct addrinfo));
- a->ai_family = s->sa_family;
- a->ai_addr = s;
- a->ai_next = malloc(sizeof(struct addrinfo));
- oa = a;
- a = a->ai_next;
- }
- free(a);
- oa->ai_next = NULL;
- NSLog(@"Sockaddr connecting....");
- [self dumpv6Addrinfo:ai];
- [self realDoConnection];
- }
-}
-
--(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 <ITInetSocketDelegate>)delegate
-{
- return delegate;
-}
-
--(unsigned short)bufferSize
-{
- return bufs;
-}
-
--(void)setBufferSize:(unsigned short)_bufs
-{
- bufs = _bufs;
-}
-
--(void)newDataAdded:(ITByteStream*)sender
-{
-}
-
--(ITByteStream*)readPipe {return readPipe;}
--(ITByteStream*)writePipe {return writePipe;}
-@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];
- state = ITInetSocketConnecting;
- 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_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,wpl = 0;
- signed int err;
- [readPipe setDelegate:(id <ITInetSocketDelegate>)dp];
- if (nc){
- NSLog(@"Connecting");
- err = connect(sockfd,ai_cur->ai_addr,ai_cur->ai_addrlen);
- if (err == -1)
- {
- perror("CAwh");
- *((char*)NULL) = 12;
- [(id)dp errorOccured:ITInetCouldNotConnect during:ITInetSocketConnecting onSocket:self];
- goto dieaction;
- }
- }
- NSLog(@"Sending finishedConnecting");
- [(id)dp finishedConnecting:self];
-lstart:
- state = ITInetSocketListening;
- while (!actionflag && !dieflag && !(wpl = CFDataGetLength((CFDataRef)writePipe->data)))
- {
- readLen = recv(sockfd,buf,bufs,0);
- state = ITInetSocketReading;
- 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];
- }
- }
- state = ITInetSocketListening;
- actionflag = 0;
-
- if (dieflag)
- {
-dieaction:
- state = ITInetSocketDisconnected;
- perror("Awh");
- free(buf);
- shutdown(sockfd,2);
- [dcon release];
- [dp release];
- [ap release];
- dieflag = 0;
- return;
- }
-
- {
- const char *d = CFDataGetBytePtr((CFDataRef)writePipe->data);
- state = ITInetSocketWriting;
- NSLog(@"Writing");
- [writePipe lockStream];
- wpl = send(sockfd,d,wpl,0);
- [writePipe shortenData:wpl];
- [writePipe unlockStream];
- [ap release];
- ap = [[NSAutoreleasePool alloc] init];
- goto lstart;
- }
- goto dieaction;
-}
-@end
\ No newline at end of file
git.ithinksw.org / ITFoundation.git / blobdiff