void calc_recv(repa_sock_t *sock) {
prefix_addr_t src_address = 0;
int64_t num_packets = 0, bytes_recv = 0, total_bytes_recv = 0, total_bytes = INT64_MAX;
long long int start_time, end_time, diff_time;
char interest[LIBREPA_MAX_INTEREST_LEN], data[LIBREPA_MAX_DATA_LEN(0)];
printf("Waiting to start...\n");
bytes_recv = (int64_t)repa_recv(sock, interest, data, LIBREPA_MAX_DATA_LEN(0), &src_address, NULL);
if (bytes_recv == sizeof(int64_t)) {
memcpy(&total_bytes, data, sizeof(int64_t));
}
printf("Receiving...\n");
start_time = get_nanoseconds();
while (true) {
if ((bytes_recv = repa_timed_recv(sock, interest, data, LIBREPA_MAX_DATA_LEN(0),
&src_address, NULL, 1*USEC_PER_SEC)) > 0) {
num_packets++;
total_bytes_recv += bytes_recv;
} else {
// Nenhum byte recebido no intervalo de tempo de 1seg
// indica o fim do recebimento
break;
}
//printf("\rReceive %jd bytes...[%jd%%]", total_bytes_recv,
// (total_bytes_recv*100)/total_bytes);
// fflush(stdout);
}
end_time = get_nanoseconds();
diff_time = end_time - start_time;
// Retira 1 segundo de espera caso não tenha recebido
// o byte de finalização do fluxo
diff_time -= 1*NSEC_PER_SEC;
double kbps = (((double)total_bytes_recv)/((double)diff_time))*((double)NSEC_PER_SEC/(double)1024);
num_packets = (num_packets == 0 ? INT64_MAX : num_packets);
total_bytes = (total_bytes == 0 ? INT64_MAX : total_bytes);
printf("\rReceived %jd*%jd=%jd/%jd bytes in %llds %lldns -> %.2fKB/s - %jd%% loss\n",
num_packets, total_bytes_recv/num_packets, total_bytes_recv,
total_bytes, (diff_time/NSEC_PER_SEC), (diff_time%NSEC_PER_SEC), kbps,
100-((total_bytes_recv*100)/total_bytes));
}
static PyObject* repaRecv(PyObject* self, PyObject* args) {
repa_sock_t sock;
char interest[255];
char buffer[BUFFER_LEN];
long int microseconds = 0;
ssize_t buffer_size = 0;
prefix_addr_t prefix = 0;
if (PyArg_ParseTuple(args, "(ii)l", &sock.sock_send, &sock.sock_recv, µseconds)) {
if (microseconds == 0)
microseconds = 1;
buffer_size = repa_timed_recv(sock, interest, buffer, prefix, microseconds);
} else {
PyErr_SetString(RepaError, "Error on read parameters");
return NULL;
}
if (buffer_size > 0) {
return Py_BuildValue("(ss#i)", interest, buffer, buffer_size, prefix);
}
Py_RETURN_NONE;
}