Files
Dmitrii Kuvaiskii 301587065a [LibOS,Pal] Make Graphene build with GCC 9.3
GCC 9.3 adds more static checks on C headers and sources. This
commit fixes all detected issues (mainly possible NULL pointer
dereferences and VLAs on stack).
2020-05-01 23:15:30 +00:00

71 lines
1.7 KiB
C

#include "api.h"
#include "pal.h"
#include "pal_debug.h"
#define NTRIES 10
char addr[40];
char buffer[20];
int main(int argc, char** argv) {
int i;
if (argc == 1) {
unsigned long start = DkSystemTimeQuery();
const char* newargs[3] = {"Udp", "child", NULL};
PAL_HANDLE srv = DkStreamOpen("udp.srv:127.0.0.1:8000", 0, 0, 0, 0);
if (!srv) {
pal_printf("not able to create server\n");
return -1;
}
DkStreamGetName(srv, addr, 40);
pal_printf("server bound on %s\n", addr);
PAL_HANDLE proc = DkProcessCreate("file:Udp", newargs);
for (i = 0; i < NTRIES; i++) {
int bytes = DkStreamRead(srv, 0, 20, buffer, addr, 40);
if (!bytes) {
pal_printf("not able to receive from client\n");
return -1;
}
pal_printf("read on server (from %s): %s\n", addr, buffer);
}
unsigned long end = DkSystemTimeQuery();
pal_printf("wall time = %ld\n", end - start);
int retval;
DkStreamRead(proc, 0, sizeof(int), &retval, NULL, 0);
DkStreamDelete(srv, 0);
DkObjectClose(srv);
} else {
PAL_HANDLE cli = DkStreamOpen("udp:127.0.0.1:8000", 0, 0, 0, 0);
DkStreamGetName(cli, addr, 40);
pal_printf("client connected on %s\n", addr);
for (i = 0; i < NTRIES; i++) {
int bytes = DkStreamWrite(cli, 0, 12, "Hello World", NULL);
if (!bytes) {
pal_printf("not able to send to server\n");
return -1;
}
}
DkObjectClose(cli);
int retval = 0;
DkStreamWrite(pal_control.parent_process, 0, sizeof(int), &retval, NULL);
}
return 0;
}