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Bindings: pong client and service.

master
Philippe Pittoli 2023-01-17 04:33:09 +01:00
parent c8f34ef3c2
commit 5b73186353
3 changed files with 138 additions and 12 deletions

16
zig-impl/libipc.h Normal file
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@ -0,0 +1,16 @@
#ifndef LIBIPC
#define LIBIPC
enum event_types {
ERROR = 0 // A problem occured.
, EXTERNAL = 1 // Message received from a non IPC socket.
, SWITCH_RX = 2 // Message received from a switched FD.
, SWITCH_TX = 3 // Message sent to a switched fd.
, CONNECTION = 4 // New user.
, DISCONNECTION = 5 // User disconnected.
, MESSAGE = 6 // New message.
, TIMER = 7 // Timeout in the poll(2) function.
, TX = 8 // Message sent.
};
#endif

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@ -1,21 +1,11 @@
#include <stdio.h>
#include <stdlib.h>
#include "../libipc.h"
#define SERVICE "pong"
#define SERVICE_LEN 4
enum event_types {
ERROR = 0 // A problem occured.
, EXTERNAL = 1 // Message received from a non IPC socket.
, SWITCH_RX = 2 // Message received from a switched FD.
, SWITCH_TX = 3 // Message sent to a switched fd.
, CONNECTION = 4 // New user.
, DISCONNECTION = 5 // User disconnected.
, MESSAGE = 6 // New message.
, TIMER = 7 // Timeout in the poll(2) function.
, TX = 8 // Message sent.
};
int main(void) {
direct_write_then_read();
@ -112,6 +102,9 @@ int wait_event(void) {
return 1;
}
printf ("Let's set the timer to one second.\n");
ipc_context_timer (ctx, 1000);
printf ("Let's loop over events.\n");
char should_continue = 1;
unsigned int count = 0;

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@ -0,0 +1,117 @@
#include <stdio.h>
#include <stdlib.h>
#include "../libipc.h"
#define SERVICE "pong"
#define SERVICE_LEN 4
int main(void) {
int ret = 0;
int servicefd = 0;
char message[10000];
unsigned int size = 10000;
char event_type;
unsigned int index = 0;
int originfd = 0;
void *ctx = NULL;
printf ("Init context.\n");
ret = ipc_context_init (&ctx);
if (ret != 0) {
printf ("Cannot init context.\n");
return 1;
}
printf ("Create a 'pong' service.\n");
ret = ipc_service_init (ctx, &servicefd, SERVICE, SERVICE_LEN);
if (ret != 0) {
printf ("Cannot create a service.\n");
return 1;
}
printf ("Set the timer to ten seconds.\n");
ipc_context_timer (ctx, 10000);
printf ("Loop over events.\n");
char should_continue = 1;
unsigned int count = 0;
unsigned int count_timer = 0;
while(should_continue) {
size = 10000;
ret = ipc_wait_event (ctx, &event_type, &index, &originfd, message, &size);
if (ret != 0) {
printf ("Error while waiting for an event.\n");
return 1;
}
if ((enum event_types) event_type != TIMER) {
printf ("EVENT %u\t", count++);
}
switch ((enum event_types) event_type) {
case ERROR: {
printf ("Error.\n");
return 1;
}
case EXTERNAL: {
printf ("External (shouldn't happen).\n");
return 1;
}
case SWITCH_RX: {
printf ("Switch RX (shouldn't happen).\n");
return 1;
}
case SWITCH_TX: {
printf ("Switch TX (shouldn't happen).\n");
return 1;
}
case CONNECTION: {
printf ("New connection.\n");
break;
}
case DISCONNECTION: {
printf ("User disconnected.\n");
break;
}
case TIMER: {
printf ("\rTIMER (%d).", count_timer++);
fflush(stdout);
break;
}
case TX: {
printf ("Message sent.\n");
break;
}
case MESSAGE: {
if (size == 0) {
printf ("Error: no message returned.\n");
should_continue = 0;
}
else {
message[size] = '\0';
printf ("Message received: %s.\n", message);
printf ("Scheduling this message.\n");
ret = ipc_schedule (ctx, originfd, message, size);
if (ret != 0) {
printf ("Cannot schedule a message.\n");
should_continue = 0;
}
}
break;
}
}
}
printf ("Deinit context\n");
ipc_context_deinit (ctx);
free(ctx);
printf ("Context freed.\n");
return 0;
}