int
main(int argc, char** argv)
{
if (argc != 3) {
fprintf(stderr, "usage: ./test-wire <name> <pipeline>\n\n");
fprintf(stderr, " Arguments:\n");
fprintf(stderr, " name the symbolic name of the dataplane\n");
fprintf(stderr, " pipeline the absolute path to a pipeline module\n");
return -1;
}
char const* name = argv[1];
char const* path = argv[2];
fp_error_t err;
struct fp_dataplane* dp = fp_dataplane_create(name, path, &err);
if (fp_error(err)) {
fprintf(stderr, "error: %s\n", fp_strerror(err));
return -1;
}
/* Create the ports. */
struct fp_port* port1 = add_port(dp, 5000);
if (!port1)
return -1;
struct fp_port* port2 = add_port(dp, 5001);
if (!port2)
return -1;
/* Start the data plane. */
bool ok = true;
err = fp_dataplane_start(dp);
if (fp_error(err)) {
fprintf(stderr, "error: %s\n", fp_strerror(err));
ok = false;
}
/* Stop the data plane. */
err = fp_dataplane_stop(dp);
if (fp_error(err)) {
fprintf(stderr, "error: %s\n", fp_strerror(err));
ok = false;
}
/* Clean up the data plane. */
fp_dataplane_delete(dp, &err);
return ok ? 0 : -1;
}
double sinh(double x)
{
int sign;
ip_number ix,r;
ix=_d2e(x);
if (fp_uncommon(ix)) goto dom_error;
sign=fp_sign(ix);
fp_abs(ix);
if (fp_grpow(ix,0)) {
/* _sinh_lnv is REQUIRED to read in as a number with the lower part of */
/* its floating point representation zero. */
ip_number w,z,z2;
w=_esub(ix,&sinh_lnv);
z=_exp(w);
if (fp_error(z)) goto range_error;
if (!fp_grpow(z,32)) {
ip_number t;
z2=z;
t=_erdv(z,&sinh_vm2);
fp_negate(t);
z=_eadd(t,&z2);
}
z2=z;
r=_eadd(_emul(z,&sinh_v2m1),&z2);
fp_abs(r);
r.word.hi|=sign;
} else if (!fp_grpow(ix,-32)) return x;
else {
ip_number g,t,ix2;
ix2=ix;
g=_esquare(ix);
/* Use a (minimax) rational approximation. See Cody & Waite. */
t=__fp_poly1(g,4,sinhp_poly);
r=_erdv(__fp_poly0(g,3,sinhq_poly),&t);
ix2.word.hi|=sign; /* put sign back */
r=__fp_spike(r,&ix2); /* r=r*ix+ix */
}
if (fp_error(r)) goto range_error;
return _e2d(r);
dom_error:
return __fp_edom(sign_bit, TRUE);
range_error:
return __fp_erange(ix.word.hi, TRUE);
}
double tanh(double x)
{
/* The first two exits avoid premature overflow as well as needless use */
/* of the exp() function. */
int sign;
dp_number fx;
fx.d=x;
sign=fp_sign(fx); fp_abs(fx);
if (fx.d<=27.0) {
ip_number ix=_d2e(fx.d);
if (fp_uncommon(ix)) goto uncommon;
if (_egr(ix,&log3_by_2)) {
ix=_emul(ix,&two);
ix=_exp(ix);
if (fp_error(ix)) goto error;
ix=_erdv(_eadd(ix,&one),&two); fp_negate(ix); ix=_eadd(ix,&one);
} else {
if (fp_grpow(ix,-32)) {
ip_number g,t,r1,r2,ix2;
ix2=ix;
g=_esquare(ix2);
r1=__fp_poly1(g,3,tanhp_poly);
r2=__fp_poly0(g,3,tanhq_poly);
t=_erdv(r2,&r1);
ix=__fp_spike(t,&ix2); /* ix=g*ix+ix */
}
}
ix.word.hi|=sign;
if (fp_error(ix)) goto error;
return _e2d(ix);
} else {
dp_number result;
result.word.hi=0x3ff00000 | sign;
result.word.lo=0;
return result.d;
}
error: return __fp_erange(sign, TRUE);
uncommon: return __fp_edom(0, TRUE);
}
/* Create a UDP port. */
struct fp_port*
make_port(short p)
{
fp_error_t err = 0;
struct fp_device* dev = fp_udp_open_port(p, &err);
if (fp_error(err)) {
fprintf(stderr, "error: %s\n", fp_strerror(err));
return NULL;
}
struct fp_port* port = fp_port_create(dev);
return port;
}
/* Create a UDP port and add it ot the data plane. Returns
the port. */
struct fp_port*
add_port(struct fp_dataplane* dp, short p)
{
/* Make the port. */
struct fp_port* port = make_port(p);
if (!port)
return NULL;
/* Add the port ot the data plane. */
fp_error_t err;
fp_dataplane_add_port(dp, port, &err);
if (fp_error(err)) {
fprintf(stderr, "%s\n", fp_strerror(err));
return NULL;
}
return port;
}
int
main(int argc, char** argv)
{
if (argc != 5) {
fprintf(stderr, "usage: ./test-nadk <name> <pipeline>\n\n");
fprintf(stderr, " Arguments:\n");
fprintf(stderr, " name the symbolic name of the dataplane\n");
fprintf(stderr, " pipeline the absolute path to a pipeline module\n");
fprintf(stderr, " dprc the name of the NADK resource container\n");
fprintf(stderr, " test_type 0: Reflect; 1: XRefelct; "
"2:Loopback, 3:XLoopback, 4: Dataplane\n");
return -1;
}
char const* name = argv[1];
char const* path = argv[2];
char const* dprc = argv[3];
const test_type_t test = atoi(argv[4]);
/* Asynchronous signals that result in attempted graceful exit */
install_signal_handler();
fp_error_t err;
struct fp_dataplane* dp = fp_dataplane_create(name, path, &err);
if (fp_error(err)) {
fprintf(stderr, "error: %s\n", fp_strerror(err));
return -1;
}
/* Hack to initialize NADK framework with passed-in DPRC */
fp_nadk_init(dprc);
/* Add ports to the dataplane. */
struct fp_port* port1 = add_port(dp, 0);
if (!port1)
return -1;
struct fp_port* port2 = add_port(dp, 1);
if (!port2)
return -1;
/* Start the data plane. */
bool ok = true;
err = fp_dataplane_start(dp);
if (fp_error(err)) {
fprintf(stderr, "error: %s\n", fp_strerror(err));
ok = false;
}
/* Enter test loop until Ctrl-C (SIGINT) is received */
printf("Entering packet I/O loop until Ctrl-C (SIGINT) is received\n");
int i = 0;
while(!received_sigint) {
// choose which test to run by run-time parameter:
switch(test) {
case TEST_REFLECT:
reflect_test(port1, port2);
break;
case TEST_XREFLECT:
xreflect_test(port1, port2);
break;
case TEST_LOOPBACK:
loopback_test(port1, port2);
break;
case TEST_XLOOPBACK:
xloopback_test(port1, port2);
break;
case TEST_DATAPLANE:
dataplane_test(dp, port1, port2);
break;
default:
printf("Invalid test_type: %d...\n", test);
received_sigint = 1;
break;
}
}
printf("Broke out of processing loop\n");
/* Stop the data plane. */
err = fp_dataplane_stop(dp);
if (fp_error(err)) {
fprintf(stderr, "error: %s\n", fp_strerror(err));
ok = false;
}
/* Clean up the data plane. */
fp_dataplane_delete(dp, &err);
return ok ? 0 : -1;
}