Beginning rewrite of ITInetSocket

[ITFoundation.git] / ITInetSocket.m

diff --git a/ITInetSocket.m b/ITInetSocket.m
index ad781b7..7902782 100755 (executable)
--- a/ITInetSocket.m
+++ b/ITInetSocket.m
@@ -7,11 +7,103 @@
 //
 
 #import "ITInetSocket.h"
+#import <sys/socket.h>
+#import <arpa/inet.h>
 
+@interface ITInetSocket(Debugging)
+-(NSString*)dumpv6Addrinfo:(struct addrinfo *)_ai;
+@end
 
 @implementation ITInetSocket
 -(id)initWithFD:(int)fd delegate:(id)d
 {
-    return nil;
+    if (self = [super init])
+          {
+          state = ITInetSocketListening;
+          sockfd = fd;
+          delegate = [d retain];
+          port = 0;
+          writeBuffer = nil;
+          ai = nil;
+          }
+    return self;
+}
+
+-(id)initWithDelegate:(id)d
+{
+    if (self = [super init])
+          {
+          state = ITInetSocketDisconnected;
+          sockfd = -1;
+          delegate = [d retain];
+          port = 0;
+          writeBuffer = nil;
+          ai = nil;
+          }
+    return self;
+}
+
+-(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];
+
+          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;
+
+          err = getaddrinfo(hostCStr,portNam,&hints,&ai);
+          if (err == EAI_NODATA) //it's a dotted-decimal IPv4 string, so we use v6compat stuff now
+          {
+                 err = getaddrinfo([[NSString stringWithFormat:@"ffff::%s",hostCStr] cString],portNam,&hints,&ai);
+          }
+          NSLog([self dumpv6Addrinfo:ai]);
+          }
+}
+
+-(ITInetSocketState)state
+{
+    return state;
 }
 @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"
+    "\{\n"
+    "\tLength = %x\n"
+    "\tFamily = %x\n"
+    "\tPort = %d\n"
+    "\tFlowinfo = %x\n"
+    "\tAddr = {%#lx,%#lx,%#lx,%#lx}\n"
+    "\tScope = %x\n"
+    "\}\n"
+    "Next = ";
+    NSString *nsfmt = [NSString stringWithCString:cfmt];
+    NSMutableString *buf = [[[NSMutableString alloc] init] autorelease];
+
+    do
+          {
+                 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_addr32[0],sa->sin6_addr.__u6_addr.__u6_addr32[1],sa->sin6_addr.__u6_addr.__u6_addr32[2],sa->sin6_addr.__u6_addr.__u6_addr32[3],sa->sin6_scope_id];
+          }
+    while (_ai = _ai->ai_next);
+    [buf appendString:@"nil\n}"];
+    return buf;
+}
+@end
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