mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-18 20:57:56 +00:00
Code improvements while debugging 'dnaprotocol' tests
Use ssize_t and size_t where required by system calls More stringent checking of errors from system calls Log the offset when writing to dummy interface file Clean up many WHY/INFO/DEBUG statements Convert many fprintf(stderr,...) to DEBUGF()
This commit is contained in:
Andrew Bettison
parent
8020ea3b74
commit
78a8aaca16
9
client.c
9
client.c
@ -278,7 +278,6 @@ int getReplyPackets(int method,int peer,int batchP,struct response_set *response
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int timeout_secs;
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int timeout_usecs;
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int to=timeout;
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int len;
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if (debug&DEBUG_DNARESPONSES) DEBUGF("getReplyPackets(policy=%d)",method);
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@ -309,14 +308,14 @@ int getReplyPackets(int method,int peer,int batchP,struct response_set *response
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int ttl=-1;
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if (!recvaddr) recvaddr=&reply_recvaddr;
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len=recvwithttl(sock,buffer,sizeof(buffer),&ttl,recvaddr,&recvaddrlen);
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if (len<=0) return WHY("Unable to receive packet.");
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ssize_t len = recvwithttl(sock,buffer,sizeof(buffer),&ttl,recvaddr,&recvaddrlen);
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if (len == -1)
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return WHY("Unable to receive packet.");
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if (recvaddr) {
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client_port=((struct sockaddr_in *)recvaddr)->sin_port;
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client_addr=((struct sockaddr_in *)recvaddr)->sin_addr;
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if (debug&DEBUG_DNARESPONSES) DEBUGF("Received reply from %s (len=%d)",inet_ntoa(client_addr),len);
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if (debug&DEBUG_DNARESPONSES) DEBUGF("Received reply from %s (len=%lld)", inet_ntoa(client_addr), (long long) len);
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if (debug&DEBUG_DNARESPONSES) dump("recvaddr", (unsigned char *)&sender, recvaddrlen);
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if (debug&DEBUG_DNARESPONSES) dump("packet", (unsigned char *)buffer, len);
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}
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5
log.c
5
log.c
@ -109,14 +109,15 @@ const char *trimbuildpath(const char *path)
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return &path[lastsep];
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}
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int dump(char *name, unsigned char *addr, int len)
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int dump(char *name, unsigned char *addr, size_t len)
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{
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char buf[100];
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int i,j;
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size_t i;
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DEBUGF("Dump of %s", name);
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for(i = 0; i < len; i += 16) {
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strbuf b = strbuf_local(buf, sizeof buf);
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strbuf_sprintf(b, " %04x :", i);
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int j;
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for (j = 0; j < 16 && i + j < len; j++)
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strbuf_sprintf(b, " %02x", addr[i + j]);
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for (; j < 16; j++)
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@ -182,8 +182,7 @@ int overlay_route_saw_advertisements(int i,overlay_frame *f, long long now)
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overlay_node *sender=overlay_route_find_node(f->source,SID_SIZE,0);
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int sender_score=sender->best_link_score;
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if (debug&DEBUG_OVERLAYROUTEMONITOR)
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fprintf(stderr,"score to reach %s is %d\n",
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overlay_render_sid(f->source),sender_score);
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DEBUGF("score to reach %s is %d", overlay_render_sid(f->source),sender_score);
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while(ofs<f->payload->length)
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{
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@ -215,7 +214,7 @@ int overlay_route_saw_advertisements(int i,overlay_frame *f, long long now)
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score,gateways_en_route);
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} else if (r==OA_PLEASEEXPLAIN) {
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/* Unresolved address -- ask someone to resolve it for us. */
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#warning WHY("Dispatch PLEASEEXPLAIN not implemented");
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WARN("Dispatch PLEASEEXPLAIN not implemented");
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}
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}
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@ -331,29 +331,22 @@ void overlay_interface_poll(struct sched_ent *alarm)
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unsigned char packet[16384];
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struct sockaddr src_addr;
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unsigned int addrlen=sizeof(src_addr);
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socklen_t addrlen = sizeof(src_addr);
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/* Read only one UDP packet per call to share resources more fairly, and also
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enable stats to accurately count packets received */
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int recvttl=1;
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plen=recvwithttl(alarm->poll.fd,packet,sizeof(packet),
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&recvttl,&src_addr,&addrlen);
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if (plen<1) {
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return;
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} else {
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plen = recvwithttl(alarm->poll.fd,packet, sizeof(packet), &recvttl, &src_addr, &addrlen);
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if (plen != -1) {
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/* We have a frame from this interface */
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if (debug&DEBUG_PACKETRX) {
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serval_packetvisualise(open_logging(),"Read from real interface",
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packet,plen);
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}
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if (debug&DEBUG_PACKETRX)
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serval_packetvisualise(open_logging(),"Read from real interface", packet,plen);
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if (debug&DEBUG_OVERLAYINTERFACES) DEBUGF("Received %d bytes on interface %s",plen,interface->name);
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if (packetOk(interface,packet,plen,NULL,recvttl,&src_addr,addrlen,1)) {
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WHY("Malformed packet");
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serval_packetvisualise(open_logging(), "Malformed packet", packet,plen);
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}
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}
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return;
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}
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void overlay_dummy_poll(struct sched_ent *alarm)
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@ -366,7 +359,7 @@ void overlay_dummy_poll(struct sched_ent *alarm)
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unsigned char packet[16384];
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int plen=0;
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struct sockaddr src_addr;
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unsigned int addrlen=sizeof(src_addr);
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size_t addrlen = sizeof(src_addr);
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unsigned char transaction_id[8];
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/* Read from dummy interface file */
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@ -380,30 +373,33 @@ void overlay_dummy_poll(struct sched_ent *alarm)
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{
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lseek(alarm->poll.fd,interface->offset,SEEK_SET);
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if (debug&DEBUG_OVERLAYINTERFACES)
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DEBUGF("Reading from interface %s log at offset %d, end of file at %lld",interface->name,
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interface->offset,length);
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if (read(alarm->poll.fd,&packet[0],2048)==2048)
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{
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interface->offset+=2048;
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plen=2048-128;
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DEBUGF("Read interface %s (size=%lld) at offset=%d",interface->name, length, interface->offset);
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ssize_t nread = read(alarm->poll.fd,&packet[0],2048);
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if (nread == -1)
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WHY_perror("read");
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else {
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interface->offset += nread;
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if (nread == 2048) {
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plen = packet[110]+(packet[111]<<8);
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if (plen>(2048-128)) plen=-1;
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if (debug&DEBUG_PACKETRX) {
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serval_packetvisualise(open_logging(),
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"Read from dummy interface",
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&packet[128],plen);
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}
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if (plen > nread - 128)
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plen = -1;
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if (debug&DEBUG_PACKETRX)
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serval_packetvisualise(open_logging(), "Read from dummy interface", &packet[128], plen);
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bzero(&transaction_id[0],8);
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bzero(&src_addr,sizeof(src_addr));
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if ((plen>=0)&&(packet[0]==0x01)&&!(packet[1]|packet[2]|packet[3])) {
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{ if (packetOk(interface,&packet[128],plen,transaction_id,
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-1 /* fake TTL */,
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&src_addr,addrlen,1))
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WHY("Malformed or unsupported packet from dummy interface (packetOK() failed)"); } }
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else WHY("Invalid packet version in dummy interface");
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if (plen >= 4) {
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if (packet[0] == 0x01 && packet[1] == 0 && packet[2] == 0 && packet[3] == 0) {
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if (packetOk(interface,&packet[128],plen,transaction_id, -1 /* fake TTL */, &src_addr,addrlen,1) == -1)
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WARN("Unsupported packet from dummy interface");
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} else {
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WARNF("Unsupported packet version from dummy interface: %02x %02x %02x %02x", packet[0], packet[1], packet[2], packet[3]);
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}
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else {
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if (debug&DEBUG_IO) DEBUG("Read NOTHING from dummy interface");
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} else {
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WARNF("Invalid packet from dummy interface: plen=%lld", (long long) plen);
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}
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}
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else
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WARNF("Read %lld bytes from dummy interface", nread);
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}
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}
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@ -443,18 +439,20 @@ int overlay_broadcast_ensemble(int interface_number,
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serval_packetvisualise(open_logging(),NULL,bytes,len);
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}
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overlay_interface *interface = &overlay_interfaces[interface_number];
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memset(&s, '\0', sizeof(struct sockaddr_in));
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if (recipientaddr) {
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bcopy(recipientaddr,&s,sizeof(struct sockaddr_in));
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}
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else {
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s = overlay_interfaces[interface_number].broadcast_address;
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s = interface->broadcast_address;
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s.sin_family = AF_INET;
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if (debug&DEBUG_PACKETTX) DEBUGF("Port=%d",overlay_interfaces[interface_number].port);
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s.sin_port = htons( overlay_interfaces[interface_number].port );
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if (debug&DEBUG_PACKETTX) DEBUGF("Port=%d",interface->port);
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s.sin_port = htons(interface->port);
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}
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if (overlay_interfaces[interface_number].fileP)
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if (interface->fileP)
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{
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char buf[2048];
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bzero(&buf[0],128);
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@ -492,25 +490,28 @@ int overlay_broadcast_ensemble(int interface_number,
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bzero(&buf[128+len],2048-(128+len));
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bcopy(bytes,&buf[128],len);
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if (write(overlay_interfaces[interface_number].alarm.poll.fd,buf,2048)!=2048)
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{
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WHY_perror("write");
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return WHY("write() failed");
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}
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else
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/* This lseek() is unneccessary because the dummy file is opened in O_APPEND mode. It's
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only purpose is to find out the offset to print in the DEBUG statement. It is vulnerable
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to a race condition with other processes appending to the same file. */
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off_t fsize = lseek(interface->alarm.poll.fd, (off_t) 0, SEEK_END);
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if (fsize == -1)
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return WHY_perror("lseek");
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interface->offset = fsize;
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if (debug&DEBUG_OVERLAYINTERFACES)
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DEBUGF("Write to interface %s at offset=%d", interface->name, interface->offset);
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ssize_t nwrite = write(interface->alarm.poll.fd, buf, 2048);
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if (nwrite == -1)
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return WHY_perror("write");
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interface->offset += nwrite;
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if (nwrite != 2048)
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return WHYF("only wrote %lld of %lld bytes", nwrite, 2048);
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return 0;
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}
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else
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{
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if(sendto(overlay_interfaces[interface_number].alarm.poll.fd,
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if(sendto(interface->alarm.poll.fd,
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bytes, len, 0, (struct sockaddr *)&s, sizeof(struct sockaddr_in)) != len)
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{
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/* Failed to send */
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WHY_perror("sendto(c)");
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return WHY("sendto() failed");
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}
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else
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/* Sent okay */
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return WHY_perror("sendto(c)");
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return 0;
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}
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}
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@ -520,9 +521,8 @@ int overlay_broadcast_ensemble(int interface_number,
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int overlay_sendto(struct sockaddr_in *recipientaddr,unsigned char *bytes,int len)
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{
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if (debug&DEBUG_PACKETTX) DEBUGF("Sending %d bytes",len);
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if(overlay_broadcast_ensemble(overlay_last_interface_number,recipientaddr,bytes,len))
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if (overlay_broadcast_ensemble(overlay_last_interface_number,recipientaddr,bytes,len) == -1)
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return -1;
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else
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return len;
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}
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@ -871,7 +871,7 @@ int overlay_tick_interface(int i, long long now)
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service code, which we setup earlier. */
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if (debug&DEBUG_OVERLAYINTERFACES)
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DEBUGF("Sending %d byte tick packet",e->length);
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if (!overlay_broadcast_ensemble(i,NULL,e->bytes,e->length))
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if (overlay_broadcast_ensemble(i,NULL,e->bytes,e->length) != -1)
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{
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overlay_update_sequence_number();
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if (debug&DEBUG_OVERLAYINTERFACES)
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@ -972,8 +972,7 @@ void overlay_mdp_poll(struct sched_ent *alarm)
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ttl=-1;
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bzero((void *)recvaddrbuffer,sizeof(recvaddrbuffer));
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int len = recvwithttl(alarm->poll.fd,buffer,sizeof(buffer),&ttl,
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recvaddr,&recvaddrlen);
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ssize_t len = recvwithttl(alarm->poll.fd,buffer,sizeof(buffer),&ttl, recvaddr, &recvaddrlen);
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recvaddr_un=(struct sockaddr_un *)recvaddr;
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if (len>0) {
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@ -1283,8 +1282,7 @@ int overlay_mdp_recv(overlay_mdp_frame *mdp,int *ttl)
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/* Check if reply available */
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SET_NONBLOCKING(mdp_client_socket);
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int len = recvwithttl(mdp_client_socket,(unsigned char *)mdp,
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sizeof(overlay_mdp_frame),ttl,recvaddr,&recvaddrlen);
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ssize_t len = recvwithttl(mdp_client_socket,(unsigned char *)mdp, sizeof(overlay_mdp_frame),ttl,recvaddr,&recvaddrlen);
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SET_BLOCKING(mdp_client_socket);
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recvaddr_un=(struct sockaddr_un *)recvaddr;
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@ -1307,7 +1305,7 @@ int overlay_mdp_recv(overlay_mdp_frame *mdp,int *ttl)
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int expected_len = overlay_mdp_relevant_bytes(mdp);
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if (len < expected_len){
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return WHYF("Expected packet length of %d, received only %d bytes", expected_len, len);
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return WHYF("Expected packet length of %d, received only %lld bytes", expected_len, (long long) len);
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}
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/* Valid packet received */
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return 0;
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@ -26,9 +26,9 @@ struct sockaddr_in loopback = {
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.sin_addr.s_addr=0x0100007f
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};
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int packetOkOverlay(struct overlay_interface *interface,unsigned char *packet,int len,
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int packetOkOverlay(struct overlay_interface *interface,unsigned char *packet, size_t len,
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unsigned char *transaction_id,int recvttl,
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struct sockaddr *recvaddr,int recvaddrlen,int parseP)
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struct sockaddr *recvaddr, size_t recvaddrlen, int parseP)
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{
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/*
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Overlay packets are ensembles contain one or more frames each of which
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@ -288,7 +288,7 @@ int overlay_payload_enqueue(int q,overlay_frame *p,int forceBroadcastP)
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if (debug&DEBUG_OVERLAYINTERFACES)
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WHYF("Sending %d byte voice packet",b->length);
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nextinterface:
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if (!overlay_broadcast_ensemble(interface,NULL,b->bytes,b->length))
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if (overlay_broadcast_ensemble(interface,NULL,b->bytes,b->length) != -1)
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{
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overlay_update_sequence_number();
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if (debug&DEBUG_OVERLAYINTERFACES)
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124
overlay_route.c
124
overlay_route.c
@ -18,6 +18,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "serval.h"
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#include "strbuf.h"
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/*
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Here we implement the actual routing algorithm which is heavily based on BATMAN.
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@ -252,7 +253,7 @@ int overlay_route_init(int mb_ram)
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/* Try to catch one observed behaviour when memory corruption has occurred. */
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if (overlay_route_initP) {
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fprintf(stderr,"ERROR: overlay_route_init() multiply called.\n");
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WHY("multiply called");
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sleep(3600);
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}
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overlay_route_initP=1;
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@ -262,7 +263,7 @@ int overlay_route_init(int mb_ram)
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srandomdev();
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/* Generate hash ordering function */
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fprintf(stderr,"Generating byte-order for hash function:");
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strbuf b = strbuf_alloca(12 * 32);
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for(i=0;i<32;i++) {
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j=0;
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overlay_route_hash_order[i]=random()&31;
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@ -270,9 +271,9 @@ int overlay_route_init(int mb_ram)
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overlay_route_hash_order[i]=random()&31;
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for(j=0;j<i;j++) if (overlay_route_hash_order[i]==overlay_route_hash_order[j]) break;
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}
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fprintf(stderr," %d",overlay_route_hash_order[i]);
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strbuf_sprintf(b, " %d", overlay_route_hash_order[i]);
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}
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fprintf(stderr,"\n");
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DEBUGF("Generating byte-order for hash function:%s", strbuf_str(b));
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overlay_route_hash_bytes=16;
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int associativity=4;
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@ -293,7 +294,7 @@ int overlay_route_init(int mb_ram)
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{
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space=(sizeof(overlay_neighbour*)*1024LL*mb_ram)+sizeof(overlay_node)*bin_count*associativity*1LL;
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int percent=100LL*space/(mb_ram*1048576LL);
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fprintf(stderr,"Using %d%% of %dMB RAM allows for %d bins with %d-way associativity and %d direct neighbours.\n",
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INFOF("Using %d%% of %dMB RAM allows for %d bins with %d-way associativity and %d direct neighbours",
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percent,mb_ram,bin_count,associativity,1024*mb_ram);
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}
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@ -322,17 +323,17 @@ int overlay_route_init(int mb_ram)
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overlay_max_neighbours=1024*mb_ram;
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overlay_bin_count=bin_count;
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overlay_bin_size=associativity;
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fprintf(stderr,"Node (%dbins) and neighbour tables allocated.\n",bin_count);
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INFOF("Node (%dbins) and neighbour tables allocated",bin_count);
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/* Work out number of bytes required to represent the bin number.
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Used for calculation of sid hash */
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overlay_bin_bytes=1;
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while(bin_count&0xffffff00) {
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fprintf(stderr,"bin_count=0x%08x, overlay_bin_bytes=%d\n",bin_count,overlay_bin_bytes);
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INFOF("bin_count=0x%08x, overlay_bin_bytes=%d",bin_count,overlay_bin_bytes);
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overlay_bin_bytes++;
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bin_count=bin_count>>8;
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}
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fprintf(stderr,"bin_count=0x%08x, overlay_bin_bytes=%d\n",bin_count,overlay_bin_bytes);
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INFOF("bin_count=0x%08x, overlay_bin_bytes=%d",bin_count,overlay_bin_bytes);
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return 0;
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}
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@ -394,11 +395,11 @@ int overlay_get_nexthop(unsigned char *d,unsigned char *nexthop,int *nexthoplen,
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if (neh->scores[*interface]<1) {
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if (debug&DEBUG_OVERLAYROUTING) {
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*interface=-1;
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WHYF("No open path to %s\n",overlay_render_sid(neh->node->sid));
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DEBUGF("No open path to %s",overlay_render_sid(neh->node->sid));
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}
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return -1;
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}
|
||||
if (0) printf("nexthop is %s\n",overlay_render_sid(nexthop));
|
||||
if (0) DEBUGF("nexthop is %s",overlay_render_sid(nexthop));
|
||||
return 0;
|
||||
} else {
|
||||
/* Is not a direct neighbour.
|
||||
@ -452,13 +453,13 @@ unsigned int overlay_route_hash_sid(unsigned char *sid)
|
||||
/* Mask out extranous bits to return only a valid bin number */
|
||||
bin&=(overlay_bin_count-1);
|
||||
if (debug&DEBUG_OVERLAYROUTING) {
|
||||
DEBUGF("Address %s resolves to bin #%d", alloca_tohex_sid(sid), bin);
|
||||
int zeroes=0;
|
||||
fprintf(stderr,"The following address resolves to bin #%d\n",bin);
|
||||
for(i=0;i<SID_SIZE;i++) { fprintf(stderr,"%02x",sid[i]); if (!sid[i]) zeroes++; }
|
||||
fprintf(stderr,"\n");
|
||||
if (zeroes>8) {
|
||||
fprintf(stderr,"Looks like corrupt memory or packet to me!\n");
|
||||
}
|
||||
for (i=0;i<SID_SIZE;i++)
|
||||
if (!sid[i])
|
||||
zeroes++;
|
||||
if (zeroes>8)
|
||||
DEBUG("Looks like corrupt memory or packet!");
|
||||
}
|
||||
return bin;
|
||||
}
|
||||
@ -574,7 +575,7 @@ int overlay_route_ack_selfannounce(overlay_frame *f,
|
||||
out->ttl=2;
|
||||
out->isBroadcast=1;
|
||||
if (debug&DEBUG_OVERLAYROUTING)
|
||||
WHY("Broadcasting ack to selfannounce for hithero unroutable node");
|
||||
DEBUG("Broadcasting ack to selfannounce for hithero unroutable node");
|
||||
} else out->isBroadcast=0;
|
||||
}
|
||||
|
||||
@ -696,7 +697,7 @@ int overlay_route_i_can_hear_node(unsigned char *who,int sender_interface,
|
||||
unsigned int s1,unsigned int s2,
|
||||
long long now)
|
||||
{
|
||||
if (0) WHYF("I can hear node %s (but I really only care who can hear me)",
|
||||
if (0) DEBUGF("I can hear node %s (but I really only care who can hear me)",
|
||||
overlay_render_sid(who));
|
||||
return 0;
|
||||
}
|
||||
@ -713,7 +714,7 @@ int overlay_route_node_can_hear_me(unsigned char *who,int sender_interface,
|
||||
/* Ignore traffic from ourselves. */
|
||||
if (overlay_address_is_local(who))
|
||||
{
|
||||
WHY("I can hear myself. How odd");
|
||||
DEBUGF("I can hear myself. How odd");
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -741,7 +742,7 @@ int overlay_route_node_can_hear_me(unsigned char *who,int sender_interface,
|
||||
{
|
||||
if (neh->observations[obs_index].sender_interface==sender_interface)
|
||||
{
|
||||
if (0) WHYF("merging observation in slot #%d",obs_index);
|
||||
if (0) DEBUGF("merging observation in slot #%d",obs_index);
|
||||
if (!neh->observations[obs_index].s1)
|
||||
neh->observations[obs_index].s1=neh->observations[obs_index].s2;
|
||||
neh->observations[obs_index].s2=s2;
|
||||
@ -759,7 +760,7 @@ int overlay_route_node_can_hear_me(unsigned char *who,int sender_interface,
|
||||
/* Replace oldest observation with this one */
|
||||
obs_index=neh->most_recent_observation_id+1;
|
||||
if (obs_index>=OVERLAY_MAX_OBSERVATIONS) obs_index=0;
|
||||
if (0) WHYF("storing observation in slot #%d",obs_index);
|
||||
if (0) DEBUGF("storing observation in slot #%d",obs_index);
|
||||
neh->observations[obs_index].valid=0;
|
||||
neh->observations[obs_index].time_ms=now;
|
||||
neh->observations[obs_index].s1=s1;
|
||||
@ -779,16 +780,6 @@ int overlay_route_node_can_hear_me(unsigned char *who,int sender_interface,
|
||||
return 0;
|
||||
}
|
||||
|
||||
int overlay_print_address(FILE *f,char *prefix,unsigned char *s,char *suffix)
|
||||
{
|
||||
int i;
|
||||
fprintf(f,"%s",prefix);
|
||||
for(i=0;i<SID_SIZE;i++) fprintf(f,"%02x",s[i]);
|
||||
fprintf(f,"%s",suffix);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int overlay_route_saw_selfannounce(overlay_frame *f,long long now)
|
||||
{
|
||||
if (overlay_address_is_local(f->source)) return 0;
|
||||
@ -806,7 +797,7 @@ int overlay_route_saw_selfannounce(overlay_frame *f,long long now)
|
||||
|
||||
/* Ignore self announcements from ourselves */
|
||||
if (overlay_address_is_local(f->source)) {
|
||||
if(0) WHY("Ignoring selfannouncement from myself");
|
||||
if(0) DEBUG("Ignoring selfannouncement from myself");
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -814,7 +805,7 @@ int overlay_route_saw_selfannounce(overlay_frame *f,long long now)
|
||||
s2=ntohl(*((int*)&f->payload->bytes[4]));
|
||||
sender_interface=f->payload->bytes[8];
|
||||
if (debug&DEBUG_OVERLAYROUTING) {
|
||||
fprintf(stderr,"Received self-announcement for sequence range [%08x,%08x] from interface %d\n",s1,s2,sender_interface);
|
||||
DEBUGF("Received self-announcement for sequence range [%08x,%08x] from interface %d",s1,s2,sender_interface);
|
||||
dump("Payload",&f->payload->bytes[0],f->payload->length);
|
||||
}
|
||||
|
||||
@ -915,7 +906,7 @@ int overlay_route_recalc_neighbour_metrics(overlay_neighbour *n,long long now)
|
||||
|
||||
/* Only update every half-second */
|
||||
if ((now-n->last_metric_update)<500) {
|
||||
if (0) WHYF("refusing to update metric too often (last at %lldms, now=%lldms)",
|
||||
if (0) DEBUGF("refusing to update metric too often (last at %lldms, now=%lldms)",
|
||||
n->last_metric_update,now);
|
||||
return 0;
|
||||
}
|
||||
@ -944,8 +935,7 @@ int overlay_route_recalc_neighbour_metrics(overlay_neighbour *n,long long now)
|
||||
|
||||
/* Check the observation age, and ignore if too old */
|
||||
int obs_age=now-n->observations[i].time_ms;
|
||||
if (0) WHYF("tallying obs: %dms old, %dms long",
|
||||
obs_age,interval);
|
||||
if (0) DEBUGF("tallying obs: %dms old, %dms long", obs_age,interval);
|
||||
if (obs_age>200000) continue;
|
||||
|
||||
/* Ignore very large intervals (>1hour) as being likely to be erroneous.
|
||||
@ -957,7 +947,7 @@ int overlay_route_recalc_neighbour_metrics(overlay_neighbour *n,long long now)
|
||||
*/
|
||||
if (interval<3600000) {
|
||||
if (debug&DEBUG_VERBOSE_IO)
|
||||
fprintf(stderr,"adding %dms (interface %d '%s')\n",
|
||||
DEBUGF("adding %dms (interface %d '%s')",
|
||||
interval,n->observations[i].sender_interface,
|
||||
overlay_interfaces[n->observations[i].sender_interface].name);
|
||||
|
||||
@ -971,7 +961,7 @@ int overlay_route_recalc_neighbour_metrics(overlay_neighbour *n,long long now)
|
||||
else
|
||||
{
|
||||
WHY("Invalid interface ID in observation");
|
||||
fprintf(stderr,"XXXXXXX adding %dms (interface %d)\n",interval,n->observations[i].sender_interface);
|
||||
DEBUGF("XXXXXXX adding %dms (interface %d)",interval,n->observations[i].sender_interface);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1005,7 +995,7 @@ int overlay_route_recalc_neighbour_metrics(overlay_neighbour *n,long long now)
|
||||
if (score<0) score=0;
|
||||
|
||||
n->scores[i]=score;
|
||||
if ((debug&DEBUG_OVERLAYROUTING)&&score) fprintf(stderr,"Neighbour score on interface #%d = %d (observations for %dms)\n",i,score,ms_observed_200sec[i]);
|
||||
if ((debug&DEBUG_OVERLAYROUTING)&&score) DEBUGF("Neighbour score on interface #%d = %d (observations for %dms)",i,score,ms_observed_200sec[i]);
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -1061,9 +1051,9 @@ char *overlay_render_sid_prefix(unsigned char *sid,int l)
|
||||
*/
|
||||
int overlay_route_saw_selfannounce_ack(overlay_frame *f,long long now)
|
||||
{
|
||||
if (0) WHYF("processing selfannounce ack (payload length=%d)",f->payload->length);
|
||||
if (0) DEBUGF("processing selfannounce ack (payload length=%d)",f->payload->length);
|
||||
if (!overlay_neighbours) {
|
||||
if (0) WHY("no neighbours, so returning immediately");
|
||||
if (0) DEBUG("no neighbours, so returning immediately");
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1077,7 +1067,7 @@ int overlay_route_saw_selfannounce_ack(overlay_frame *f,long long now)
|
||||
// Call something like the following for each link
|
||||
if (f->source_address_status==OA_RESOLVED&&
|
||||
f->destination_address_status==OA_RESOLVED) {
|
||||
if (0) WHYF("f->source=%s, f->destination=%s",
|
||||
if (0) DEBUGF("f->source=%s, f->destination=%s",
|
||||
overlay_render_sid(f->source),overlay_render_sid(f->destination));
|
||||
overlay_route_record_link(now,f->source,f->source,iface,s1,s2,
|
||||
0 /* no associated score */,
|
||||
@ -1096,7 +1086,7 @@ int overlay_route_record_link(long long now,unsigned char *to,
|
||||
{
|
||||
int i,slot=-1;
|
||||
|
||||
if (0) WHYF("to=%s, via=%s, iface=%d, s1=%d, s2=%d",
|
||||
if (0) DEBUGF("to=%s, via=%s, iface=%d, s1=%d, s2=%d",
|
||||
overlay_render_sid(to),overlay_render_sid(via),
|
||||
sender_interface,s1,s2);
|
||||
|
||||
@ -1105,28 +1095,27 @@ int overlay_route_record_link(long long now,unsigned char *to,
|
||||
|
||||
/* Don't record routes to ourselves */
|
||||
if (overlay_address_is_local(to)) {
|
||||
if (0) WHYF("Ignoring self announce ack addressed to me (%s).",
|
||||
if (0) DEBUGF("Ignoring self announce ack addressed to me (%s).",
|
||||
overlay_render_sid(to));
|
||||
return 0;
|
||||
}
|
||||
else if (0) WHYF("Recording link to %s",overlay_render_sid(to));
|
||||
else if (0) DEBUGF("Recording link to %s",overlay_render_sid(to));
|
||||
|
||||
for(i=0;i<SID_SIZE;i++) if (to[i]!=via[i]) break;
|
||||
if (i==SID_SIZE)
|
||||
{
|
||||
/* It's a neighbour observation */
|
||||
if (0) WHYF("%s is my neighbour",overlay_render_sid(to));
|
||||
if (0) DEBUGF("%s is my neighbour",overlay_render_sid(to));
|
||||
overlay_route_node_can_hear_me(to,sender_interface,s1,s2,now);
|
||||
}
|
||||
|
||||
if (!score) {
|
||||
if (0) WHY("non-scoring report, so done");
|
||||
if (0) DEBUG("non-scoring report, so done");
|
||||
return 0;
|
||||
}
|
||||
|
||||
fprintf(stderr,"route_record_link(0x%llx,%s*,",
|
||||
now,overlay_render_sid_prefix(to,7));
|
||||
fprintf(stderr,"%s*,0x%08x-0x%08x,%d)\n",
|
||||
DEBUGF("route_record_link(0x%llx,%s*,%s*,0x%08x-0x%08x,%d)",
|
||||
now,overlay_render_sid_prefix(to,7),
|
||||
overlay_render_sid_prefix(via,7),s1,s2,score);
|
||||
|
||||
overlay_node *n=overlay_route_find_node(to,SID_SIZE,1 /* create node if missing */);
|
||||
@ -1190,8 +1179,9 @@ int overlay_route_dump()
|
||||
{
|
||||
int bin,slot,o,n,i;
|
||||
long long now=overlay_gettime_ms();
|
||||
strbuf b = strbuf_alloca(8192);
|
||||
|
||||
fprintf(stderr,"\nOverlay Local Identities\n------------------------\n");
|
||||
strbuf_sprintf(b,"Overlay Local Identities\n------------------------\n");
|
||||
int cn,in,kp;
|
||||
for(cn=0;cn<keyring->context_count;cn++)
|
||||
for(in=0;in<keyring->contexts[cn]->identity_count;in++)
|
||||
@ -1200,33 +1190,36 @@ int overlay_route_dump()
|
||||
==KEYTYPE_CRYPTOBOX)
|
||||
{
|
||||
for(i=0;i<SID_SIZE;i++)
|
||||
fprintf(stderr,"%02x",keyring->contexts[cn]->identities[in]
|
||||
strbuf_sprintf(b,"%02x",keyring->contexts[cn]->identities[in]
|
||||
->keypairs[kp]->public_key[i]);
|
||||
fprintf(stderr,"\n");
|
||||
strbuf_sprintf(b,"\n");
|
||||
}
|
||||
DEBUG(strbuf_str(b));
|
||||
|
||||
fprintf(stderr,"\nOverlay Neighbour Table\n------------------------\n");
|
||||
strbuf_reset(b);
|
||||
strbuf_sprintf(b,"\nOverlay Neighbour Table\n------------------------\n");
|
||||
for(n=0;n<overlay_neighbour_count;n++)
|
||||
if (overlay_neighbours[n].node)
|
||||
{
|
||||
fprintf(stderr," %s* : %lldms ago :",
|
||||
strbuf_sprintf(b," %s* : %lldms ago :",
|
||||
overlay_render_sid_prefix(overlay_neighbours[n].node->sid,7),
|
||||
(now-overlay_neighbours[n].last_observation_time_ms));
|
||||
for(i=0;i<OVERLAY_MAX_INTERFACES;i++)
|
||||
if (overlay_neighbours[n].scores[i])
|
||||
fprintf(stderr," %d(via #%d)",
|
||||
strbuf_sprintf(b," %d(via #%d)",
|
||||
overlay_neighbours[n].scores[i],i);
|
||||
fprintf(stderr,"\n");
|
||||
strbuf_sprintf(b,"\n");
|
||||
}
|
||||
DEBUG(strbuf_str(b));
|
||||
|
||||
fprintf(stderr,"Overlay Mesh Route Table\n------------------------\n");
|
||||
|
||||
strbuf_reset(b);
|
||||
strbuf_sprintf(b,"Overlay Mesh Route Table\n------------------------\n");
|
||||
for(bin=0;bin<overlay_bin_count;bin++)
|
||||
for(slot=0;slot<overlay_bin_size;slot++)
|
||||
{
|
||||
if (!overlay_nodes[bin][slot].sid[0]) continue;
|
||||
|
||||
fprintf(stderr," %s* : %d :",overlay_render_sid_prefix(overlay_nodes[bin][slot].sid,7),
|
||||
strbuf_sprintf(b," %s* : %d :",overlay_render_sid_prefix(overlay_nodes[bin][slot].sid,7),
|
||||
overlay_nodes[bin][slot].best_link_score);
|
||||
for(o=0;o<OVERLAY_MAX_OBSERVATIONS;o++)
|
||||
{
|
||||
@ -1234,13 +1227,14 @@ int overlay_route_dump()
|
||||
{
|
||||
overlay_node_observation *ob=&overlay_nodes[bin][slot].observations[o];
|
||||
if (ob->corrected_score)
|
||||
fprintf(stderr," %d/%d via %s*",
|
||||
strbuf_sprintf(b," %d/%d via %s*",
|
||||
ob->corrected_score,ob->gateways_en_route,
|
||||
overlay_render_sid_prefix(ob->sender_prefix,7));
|
||||
}
|
||||
}
|
||||
fprintf(stderr,"\n");
|
||||
strbuf_sprintf(b,"\n");
|
||||
}
|
||||
DEBUG(strbuf_str(b));
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1266,7 +1260,7 @@ void overlay_route_tick(struct sched_ent *alarm)
|
||||
long long start_time=overlay_gettime_ms();
|
||||
|
||||
if (debug&DEBUG_OVERLAYROUTING)
|
||||
DEBUGF("Neighbours: %d@%d, Nodes: %d@%d\n",
|
||||
DEBUGF("Neighbours: %d@%d, Nodes: %d@%d",
|
||||
overlay_route_tick_neighbour_bundle_size,overlay_route_tick_next_neighbour_id,
|
||||
overlay_route_tick_node_bundle_size,overlay_route_tick_next_node_bin_id);
|
||||
|
||||
@ -1325,7 +1319,7 @@ void overlay_route_tick(struct sched_ent *alarm)
|
||||
if (ticks>5000) ticks=5000;
|
||||
int interval=5000/ticks;
|
||||
|
||||
if (debug&DEBUG_OVERLAYROUTING) fprintf(stderr,"route tick interval = %dms (%d ticks per 5sec, neigh=%lldms, node=%lldms)\n",interval,ticks,neighbour_time,node_time);
|
||||
if (debug&DEBUG_OVERLAYROUTING) DEBUGF("route tick interval = %dms (%d ticks per 5sec, neigh=%lldms, node=%lldms)",interval,ticks,neighbour_time,node_time);
|
||||
|
||||
/* Update callback interval based on how much work we have to do */
|
||||
alarm->alarm = overlay_gettime_ms()+interval;
|
||||
@ -1366,7 +1360,7 @@ int overlay_route_node_info(overlay_mdp_frame *mdp,
|
||||
long long now=overlay_gettime_ms();
|
||||
|
||||
if (0)
|
||||
WHYF("Looking for node %s* (prefix len=0x%x)",
|
||||
DEBUGF("Looking for node %s* (prefix len=0x%x)",
|
||||
overlay_render_sid_prefix(mdp->nodeinfo.sid,
|
||||
mdp->nodeinfo.sid_prefix_length),
|
||||
mdp->nodeinfo.sid_prefix_length
|
||||
|
||||
@ -19,8 +19,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
|
||||
#include "serval.h"
|
||||
|
||||
int process_packet(unsigned char *packet,int len,
|
||||
int recvttl,struct sockaddr *sender,int sender_len)
|
||||
int process_packet(unsigned char *packet, size_t len,
|
||||
int recvttl,struct sockaddr *sender, size_t sender_len)
|
||||
{
|
||||
//int authenticatedP=0;
|
||||
char did[128];
|
||||
@ -59,9 +59,9 @@ int process_packet(unsigned char *packet,int len,
|
||||
return 0;
|
||||
}
|
||||
|
||||
int packetOk(struct overlay_interface *interface, unsigned char *packet,int len,
|
||||
int packetOk(struct overlay_interface *interface, unsigned char *packet, size_t len,
|
||||
unsigned char *transaction_id,int ttl,
|
||||
struct sockaddr *recvaddr,int recvaddrlen,int parseP)
|
||||
struct sockaddr *recvaddr, size_t recvaddrlen,int parseP)
|
||||
{
|
||||
if (len<HEADERFIELDS_LEN) return WHY("Packet is too short");
|
||||
|
||||
@ -87,7 +87,7 @@ int packetOk(struct overlay_interface *interface, unsigned char *packet,int len,
|
||||
|
||||
int packetOkDNA(unsigned char *packet,int len,unsigned char *transaction_id,
|
||||
int recvttl,
|
||||
struct sockaddr *recvaddr,int recvaddrlen,int parseP)
|
||||
struct sockaddr *recvaddr, size_t recvaddrlen, int parseP)
|
||||
{
|
||||
/* Make sure that the packet is meant for us, and is not mal-formed */
|
||||
int version;
|
||||
|
||||
20
serval.h
20
serval.h
@ -668,8 +668,7 @@ int64_t confValueGetInt64Range(const char *var, int64_t defaultValue, int64_t ra
|
||||
void confSetDebugFlags();
|
||||
int confParseBoolean(const char *text, const char *option_name);
|
||||
|
||||
int recvwithttl(int sock,unsigned char *buffer,int bufferlen,int *ttl,
|
||||
struct sockaddr *recvaddr,unsigned int *recvaddrlen);
|
||||
ssize_t recvwithttl(int sock, unsigned char *buffer, size_t bufferlen, int *ttl, struct sockaddr *recvaddr, socklen_t *recvaddrlen);
|
||||
|
||||
int is_xsubstring(const char *text, int len);
|
||||
int is_xstring(const char *text, int len);
|
||||
@ -699,11 +698,10 @@ void serverCleanUp();
|
||||
int isTransactionInCache(unsigned char *transaction_id);
|
||||
void insertTransactionInCache(unsigned char *transaction_id);
|
||||
|
||||
int packetOk(struct overlay_interface *interface,unsigned char *packet,int len,
|
||||
int packetOk(struct overlay_interface *interface,unsigned char *packet, size_t len,
|
||||
unsigned char *transaction_id, int recvttl,
|
||||
struct sockaddr *recvaddr,int recvaddrlen,int parseP);
|
||||
int process_packet(unsigned char *packet,int len,
|
||||
int recvttl,struct sockaddr *sender,int sender_len);
|
||||
struct sockaddr *recvaddr, size_t recvaddrlen,int parseP);
|
||||
int process_packet(unsigned char *packet, size_t len, int recvttl,struct sockaddr *sender, size_t sender_len);
|
||||
int packetMakeHeader(unsigned char *packet,int packet_maxlen,int *packet_len,unsigned char *transaction_id,int cryptoflags);
|
||||
int packetSetDid(unsigned char *packet,int packet_maxlen,int *packet_len,char *did);
|
||||
int packetSetSidFromId(unsigned char *packet,int packet_maxlen,int *packet_len,
|
||||
@ -743,7 +741,7 @@ int hlrGetVariable(unsigned char *hlr,int hofs,int varid,int varinstance,
|
||||
unsigned char *value,int *len);
|
||||
int dumpResponses(struct response_set *responses);
|
||||
int eraseLastResponse(struct response_set *responses);
|
||||
int dropPacketP(int packet_len);
|
||||
int dropPacketP(size_t packet_len);
|
||||
int clearResponses(struct response_set *responses);
|
||||
int responseFromPeerP(struct response_set *responses,int peerId);
|
||||
int responseFromPeer(struct response_set *responses,int peerId);
|
||||
@ -759,10 +757,10 @@ int openHlrFile(char *backing_file,int size);
|
||||
int runCommand(char *cmd);
|
||||
int asteriskObtainGateway(char *requestor_sid,char *did,char *uri_out);
|
||||
int packetOkDNA(unsigned char *packet,int len,unsigned char *transaction_id,
|
||||
int recvttl,struct sockaddr *recvaddr,int recvaddrlen,int parseP);
|
||||
int packetOkOverlay(struct overlay_interface *interface,unsigned char *packet,int len,
|
||||
int recvttl,struct sockaddr *recvaddr, size_t recvaddrlen,int parseP);
|
||||
int packetOkOverlay(struct overlay_interface *interface,unsigned char *packet, size_t len,
|
||||
unsigned char *transaction_id,int recvttl,
|
||||
struct sockaddr *recvaddr,int recvaddrlen,int parseP);
|
||||
struct sockaddr *recvaddr, size_t recvaddrlen,int parseP);
|
||||
int prepareGateway(char *gatewayspec);
|
||||
int packetSendRequest(int method,unsigned char *packet,int packet_len,int batchP,
|
||||
unsigned char *transaction_id,struct sockaddr *recvaddr,
|
||||
@ -786,7 +784,7 @@ void logMessage(int level, const char *file, unsigned int line, const char *func
|
||||
void vlogMessage(int level, const char *file, unsigned int line, const char *function, const char *fmt, va_list);
|
||||
unsigned int debugFlagMask(const char *flagname);
|
||||
char *catv(const char *data, char *buf, size_t len);
|
||||
int dump(char *name,unsigned char *addr,int len);
|
||||
int dump(char *name, unsigned char *addr, size_t len);
|
||||
|
||||
#define alloca_tohex(buf,len) tohex((char *)alloca((len)*2+1), (buf), (len))
|
||||
#define alloca_tohex_sid(sid) alloca_tohex((sid), SID_SIZE)
|
||||
|
||||
34
server.c
34
server.c
@ -49,8 +49,8 @@ void signal_handler(int signal);
|
||||
int getKeyring(char *s);
|
||||
int createServerSocket();
|
||||
|
||||
int recvwithttl(int sock,unsigned char *buffer,int bufferlen,int *ttl,
|
||||
struct sockaddr *recvaddr,unsigned int *recvaddrlen)
|
||||
ssize_t recvwithttl(int sock,unsigned char *buffer, size_t bufferlen,int *ttl,
|
||||
struct sockaddr *recvaddr, socklen_t *recvaddrlen)
|
||||
{
|
||||
struct msghdr msg;
|
||||
struct iovec iov[1];
|
||||
@ -71,11 +71,12 @@ int recvwithttl(int sock,unsigned char *buffer,int bufferlen,int *ttl,
|
||||
msg.msg_controllen = sizeof(struct cmsghdr)*16;
|
||||
msg.msg_flags = 0;
|
||||
|
||||
int len = recvmsg(sock,&msg,0);
|
||||
ssize_t len = recvmsg(sock,&msg,0);
|
||||
if (len == -1 && errno != EAGAIN && errno != EWOULDBLOCK)
|
||||
return WHY_perror("recvmsg");
|
||||
|
||||
if (0&&debug&DEBUG_PACKETRX) {
|
||||
DEBUGF("recvmsg returned %d bytes (flags=%d,msg_controllen=%d)",
|
||||
len,msg.msg_flags,msg.msg_controllen);
|
||||
DEBUGF("recvmsg returned %lld (flags=%d, msg_controllen=%d)", (long long) len, msg.msg_flags, msg.msg_controllen);
|
||||
dump("received data", buffer, len);
|
||||
}
|
||||
|
||||
@ -199,8 +200,8 @@ int server(char *backing_file)
|
||||
return -1;
|
||||
FILE *f=fopen(filename,"w");
|
||||
if (!f) {
|
||||
WHYF("Could not write to PID file %s", filename);
|
||||
WHY_perror("fopen");
|
||||
WHYF("Could not write to PID file %s", filename);
|
||||
return -1;
|
||||
}
|
||||
server_getpid = getpid();
|
||||
@ -250,8 +251,10 @@ int server_create_stopfile()
|
||||
if (!FORM_SERVAL_INSTANCE_PATH(stopfile, STOPFILE_NAME))
|
||||
return -1;
|
||||
FILE *f;
|
||||
if ((f = fopen(stopfile, "w")) == NULL)
|
||||
return WHYF("Could not create stopfile '%s': %s [errno=%d]", stopfile, strerror(errno), errno);
|
||||
if ((f = fopen(stopfile, "w")) == NULL) {
|
||||
WHY_perror("fopen");
|
||||
return WHYF("Could not create stopfile '%s'", stopfile);
|
||||
}
|
||||
fclose(f);
|
||||
return 0;
|
||||
}
|
||||
@ -264,7 +267,8 @@ int server_remove_stopfile()
|
||||
if (unlink(stopfile) == -1) {
|
||||
if (errno == ENOENT)
|
||||
return 0;
|
||||
return WHYF("Could not unlink stopfile '%s': %s [errno=%d]", stopfile, strerror(errno), errno);
|
||||
WHY_perror("unlink");
|
||||
return WHYF("Could not unlink stopfile '%s'", stopfile);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
@ -279,7 +283,8 @@ int server_check_stopfile()
|
||||
return 1;
|
||||
if (r == -1 && errno == ENOENT)
|
||||
return 0;
|
||||
WHYF("Access check for stopfile '%s' failed: %s [errno=%d]", stopfile, strerror(errno), errno);
|
||||
WHY_perror("access");
|
||||
WHYF("Cannot access stopfile '%s'", stopfile);
|
||||
return -1;
|
||||
}
|
||||
|
||||
@ -410,7 +415,7 @@ void signal_handler(int signal)
|
||||
{
|
||||
char buf[80];
|
||||
signame(buf, sizeof(buf), signal);
|
||||
WHYF("Caught %s", buf);
|
||||
INFOF("Caught %s", buf);
|
||||
switch (signal) {
|
||||
case SIGQUIT:
|
||||
serverCleanUp();
|
||||
@ -426,7 +431,7 @@ void signal_handler(int signal)
|
||||
return;
|
||||
}
|
||||
/* oops - caught a bad signal -- exec() ourselves fresh */
|
||||
WHY("Respawning");
|
||||
INFO("Respawning");
|
||||
if (sock>-1) close(sock);
|
||||
int i;
|
||||
for(i=0;i<overlay_interface_count;i++)
|
||||
@ -709,7 +714,6 @@ int processRequest(unsigned char *packet,int len,
|
||||
}
|
||||
break;
|
||||
default:
|
||||
WHY("Asked to perform unsupported action");
|
||||
if (debug&DEBUG_PACKETFORMATS) DEBUGF("Asked to perform unsipported action at Packet offset = 0x%x",pofs);
|
||||
if (debug&DEBUG_PACKETFORMATS) dump("Packet",packet,len);
|
||||
return WHY("Asked to perform unsupported action.");
|
||||
@ -782,8 +786,8 @@ int createServerSocket()
|
||||
|
||||
sock=socket(PF_INET,SOCK_DGRAM,0);
|
||||
if (sock<0) {
|
||||
WHY("Could not create UDP socket.");
|
||||
WHY_perror("socket");
|
||||
WHY("Could not create UDP socket.");
|
||||
exit(-3);
|
||||
}
|
||||
|
||||
@ -804,8 +808,8 @@ int createServerSocket()
|
||||
bind_addr.sin_port = htons( PORT_DNA );
|
||||
bind_addr.sin_addr.s_addr = htonl( INADDR_ANY );
|
||||
if(bind(sock,(struct sockaddr *)&bind_addr,sizeof(bind_addr))) {
|
||||
WHYF("MP HLR server could not bind to UDP port %d", PORT_DNA);
|
||||
WHY_perror("bind");
|
||||
WHYF("MP HLR server could not bind to UDP port %d", PORT_DNA);
|
||||
exit(-3);
|
||||
}
|
||||
return 0;
|
||||
|
||||
@ -25,9 +25,10 @@ double simulatedBER=0;
|
||||
We use this function to simulate a lossy link so that we can easily bench-test the
|
||||
retransmission protocols.
|
||||
*/
|
||||
int dropPacketP(int packet_len)
|
||||
int dropPacketP(size_t packet_len)
|
||||
{
|
||||
int i,b;
|
||||
size_t i;
|
||||
int b;
|
||||
|
||||
long berThreshold=0x7fffffff*simulatedBER;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user