Hi,
here is the code (omitting error checks):
- (int)udpRecvfrom:(int)s datagram:(NSString **)datagram addr:(NSData
**)addr
{
...
bytes = recvfrom(s, buf, UDP_PACKET_MAX_SIZE, 0, (struct sockaddr
*) &sa, &salen);
...
addr_s = malloc(salen + 1);
memcpy(addr_s, (char *) &sa, salen);
//addr_s[salen] = '\0';
*addr = [NSData dataWithBytes:addr_s length:bytes];
...
return bytes;
}
- (int)readBuffer
{
...
ret = [s udpRecvfrom:[c getFd] datagram:&dgram addr:&cliaddr];
//blist_debug_misc(@"GNISIPConn: readBuffer", @"we have a dgram
%@", dgram ? dgram : @"nil");
if (dgram && ret > 0) {
[inbuffer appendString:dgram];
// blist_debug_misc(@"SIPCONN: readBuffer", @"[%@:%ld %d:%d:%d]
(from the pool): read %d bytes from"
// @" <%@:%d> (%ld channels)", host, port, [c
getPort], i, [c getFd], ret,
// [s udpGetIp:cliaddr], [s udpGetPort:cliaddr],
len);
// [dgram release]; dgram = nil;
// [cliaddr release]; cliaddr = nil;
return 0;
}
...
}
Leaks reports following call stack:
Call stack: [thread 0xb037b000]: | thread_start |
_pthread_start |
__NSThread__main__ | -[NSThread main] | -[sipbridge
response_thread:] |
-[GNISIPState handleResponse:start_closing:status:conn:] |
-[GNISIPEvent waitSip:conn:] | -[GNISIPConn
readSip:status:headers:body:] |
-[GNISIPConn readStartLine:status:] | -[GNISIPConn readLine:] |
-[GNISIPConn readBuffer] | -[GNISocket udpRecvfrom:datagram:addr:] |
+[NSData(NSData) dataWithBytes:length:] | -[NSData(NSData)
initWithBytes:
length:] | -[NSConcreteData initWithBytes:length:copy:freeWhenDone:
bytesAreVM:] | NSAllocateObject |
_internal_class_createInstanceFromZone |
malloc_zone_calloc
and 512 bytes of binary data
Aarno
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