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Maintenance: js_server

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Fix memory leaks.
Better use of whitespace.
This commit is contained in:
Scott Giese 2021-02-26 20:59:06 -06:00
parent 21330d2f31
commit 0ee3fd4ab6
1 changed files with 71 additions and 79 deletions
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150
utils/js_server/js_server.cxx
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@ -26,119 +26,111 @@
*/
#include <math.h>
#include <stdio.h>
#include <memory>
#include <stdint.h>
#include <stdio.h>
#include <plib/netSocket.h>
#include "FlightGear_js.h"
void usage(char * progname)
void usage(char* progname)
{
printf("This is an UDP based remote joystick server.\n");
printf("usage: %s <hostname> <port>\n", progname);
}
int main ( int argc, char ** argv )
int main(int argc, char** argv)
{
jsJoystick * js ;
float * ax;
int port = 16759;
char * host; /* = "192.168.1.7"; */
int activeaxes = 4;
int port = 16759;
char* host; /* = "192.168.1.7"; */
int activeaxes = 4;
if( argc != 3 )
{
usage(argv[0]);
exit(1);
}
host = argv[1];
port = atoi(argv[2]);
if (argc != 3) {
usage(argv[0]);
exit(1);
}
host = argv[1];
port = atoi(argv[2]);
jsInit () ;
jsInit();
js = new jsJoystick ( 0 ) ;
auto js = std::make_unique<jsJoystick>(0);
if ( js->notWorking () )
{
printf ( "no Joystick detected... exitting\n" ) ;
exit(1);
}
printf ( "Joystick is \"%s\"\n", js->getName() ) ;
if (js->notWorking()) {
printf("no Joystick detected... exitting\n");
exit(1);
}
printf("Joystick is \"%s\"\n", js->getName());
int numaxes = js->getNumAxes();
ax = new float [ numaxes ] ;
activeaxes = numaxes;
if( numaxes > 4 )
{
printf("max 4 axes joysticks supported at the moment, however %i axes were detected\nWill only use the first 4 axes!\n", numaxes);
activeaxes = 4;
}
int numaxes = js->getNumAxes();
auto ax = std::make_unique<float[]>(numaxes);
activeaxes = numaxes;
// Must call this before any other net stuff
netInit( &argc,argv );
netSocket c;
if ( ! c.open( false ) ) { // open a UDP socket
printf("error opening socket\n");
return -1;
if (numaxes > 4) {
printf("max 4 axes joysticks supported at the moment, however %i axes were detected\nWill only use the first 4 axes!\n", numaxes);
activeaxes = 4;
}
c.setBlocking( false );
// Must call this before any other net stuff
netInit(&argc, argv);
if ( c.connect( host, port ) == -1 ) {
printf("error connecting to %s:%d\n", host, port);
return -1;
netSocket c;
if (!c.open(false)) { // open a UDP socket
printf("error opening socket\n");
return -1;
}
c.setBlocking(false);
char packet[256] = "Hello world!";
while(1)
{
if (c.connect(host, port) == -1) {
printf("error connecting to %s:%d\n", host, port);
return -1;
}
char packet[256] = "Hello world!";
while (1) {
int b;
int len = 0;
int axis = 0;
int len = 0;
int axis = 0;
js->read( &b, ax );
for ( axis = 0 ; axis < activeaxes ; axis++ )
{
int32_t axisvalue = (int32_t)(ax[axis]*2147483647.0);
printf("axisval=%li\n", (long)axisvalue);
memcpy(packet+len, &axisvalue, sizeof(axisvalue));
len+=sizeof(axisvalue);
}
// fill emtpy values into packes when less than 4 axes
for( ; axis < 4; axis++ )
{
int32_t axisvalue = 0;
memcpy(packet+len, &axisvalue, sizeof(axisvalue));
len+=sizeof(axisvalue);
}
js->read(&b, ax.get());
for (axis = 0; axis < activeaxes; axis++) {
int32_t axisvalue = (int32_t)(ax[axis] * 2147483647.0);
printf("axisval=%li\n", (long)axisvalue);
memcpy(packet + len, &axisvalue, sizeof(axisvalue));
len += sizeof(axisvalue);
}
// fill emtpy values into packes when less than 4 axes
for (; axis < 4; axis++) {
int32_t axisvalue = 0;
memcpy(packet + len, &axisvalue, sizeof(axisvalue));
len += sizeof(axisvalue);
}
int32_t b_l = b;
memcpy(packet+len, &b_l, sizeof(b_l));
len+=sizeof(b_l);
int32_t b_l = b;
memcpy(packet + len, &b_l, sizeof(b_l));
len += sizeof(b_l);
const char * termstr = "\0\0\r\n";
memcpy(packet+len, termstr, 4);
len += 4;
const char* termstr = "\0\0\r\n";
memcpy(packet + len, termstr, 4);
len += 4;
c.send( packet, len, 0 );
c.send(packet, len, 0);
/* give other processes a chance */
/* give other processes a chance */
#ifdef _WIN32
Sleep ( 1 ) ;
Sleep(1);
#elif defined(sgi)
sginap ( 1 ) ;
sginap(1);
#else
usleep ( 200 ) ;
usleep(200);
#endif
printf(".");
fflush(stdout);
}
printf(".");
fflush(stdout);
}
return 0 ;
return 0;
}