Message *dfs_msg_recv(void *socket, char **buf) {
unsigned long len;
*buf = dfs_prim_msg_recv(socket, &len);
dfs_end_time(message_comm_type);
Message *reply = message__unpack(NULL, len, *buf);
if (reply->has_encrypted_payload) {
assert(registered_aes_key && (socket == registered_aes_sock));
dfs_out("\t\tdecrypt %x/%x (%d)\n", *(unsigned long *)reply->encrypted_payload.data,
*(unsigned long *)registered_aes_key, reply->encrypted_payload.len);
char *dec = dfs_aes_decrypt(registered_aes_key, NULL,
reply->encrypted_payload.data,
reply->encrypted_payload.len);
Message *nreply = message__unpack(NULL, reply->encrypted_payload.len, dec);
if (!nreply) {
dfs_out("\nERROR: decryption of incoming failed\n");
return NULL;
}
message__free_unpacked(reply, NULL);
free(*buf);
reply = nreply;
*buf = dec;
}
dfs_out("Received %s%s from %s, seq %d, %d bytes, res %d ('%s')\n",
reply->has_encrypted_payload ? "enc " : "", dfs_msgname(reply->type),
reply->name ? reply->name : "NO NAME!", reply->seq, len, reply->res,
reply->res ? strerror(-reply->res):"");
return reply;
}
int main(int argc, char *argv[])
{
Message *m;
uint8_t buf[MAX_MSG_SIZE];
size_t msg_len = read_buffer(MAX_MSG_SIZE, buf);
m = message__unpack(NULL,msg_len, buf);
if(m == NULL) {
fprintf(stderr,"error unpacking incoming message\n");
exit(1);
}
printf("Received: np=%d npm=%d npa=%d load=%f uthresh=%f lthresh=%f\n", m->np,m->npm,m->npa,m->load,m->uthresh,m->lthresh);
message__free_unpacked(m, NULL);
return 0;
}
