void myReadProc(const MIDIPacketList *packetList, void* readProcRefCon,
void* srcConnRefCon) {
MIDIPacket *packet = (MIDIPacket*)packetList->packet;
int i, j;
int count = packetList->numPackets;
for (j=0; j<count; j++) {
printPacketInfo(packet);
packet = MIDIPacketNext(packet);
}
}
void processPacket(char *p)
{
struct iphdr *ip = (struct iphdr *)(p + 4); // skip 4 tun info bytes
if (isNewConnection(ip))
printPacketInfo(ip);
free(p);
return;
}
void printIpPacketInfo(struct ip_packet *pkt, struct sockaddr_storage *saddr) {
if (pkt == NULL) {
fprintf(stderr, "Unable to print info for null packet\n");
return;
}
printf("Pri %hhu : Sz %lu : Dst %lu %iu : Src %lu %iu", pkt->priority,
pkt->length, pkt->dest, pkt->destPort, pkt->src, pkt->srcPort);
printPacketInfo((struct packet *)pkt->payload, saddr);
/*
printf(" Packet from %s:%u (%lu payload bytes):\n",ipstr,ipport,pkt->len);
printf(" type = %c\n", pkt->type);
printf(" seq = %lu\n", pkt->seq);
printf(" len = %lu\n", pkt->len);
printf(" data = %s\n", pkt->payload);
puts("");
*/
}
void sendPacketTo(int sockfd, struct packet *pkt, struct sockaddr *addr) {
struct packet *spkt = serializePacket(pkt);
size_t bytesSent = sendto(sockfd, spkt, PACKET_SIZE,
0, addr, sizeof *addr);
if (bytesSent == -1) {
perror("Sendto error");
fprintf(stderr, "Error sending packet\n");
} else {
const char *typeStr;
if (pkt->type == 'R') typeStr = "**REQUEST**";
else if (pkt->type == 'D') typeStr = "DATA";
else if (pkt->type == 'E') typeStr = "**END***";
else typeStr = "UNDEFINED";
printf("-> [Sent %s packet] ", typeStr);
printPacketInfo(pkt, (struct sockaddr_storage *)addr);
}
}
