83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/**
|
|
* \file
|
|
* \brief Hello world application
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2016 ETH Zurich.
|
|
* All rights reserved.
|
|
*
|
|
* This file is distributed under the terms in the attached LICENSE file.
|
|
* If you do not find this file, copies can be found by writing to:
|
|
* ETH Zurich D-INFK, CAB F.78, Universitaetstr. 6, CH-8092 Zurich,
|
|
* Attn: Systems Group.
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <aos/aos.h>
|
|
#include <aos/aos_rpc.h>
|
|
#include <aos/deferred.h>
|
|
|
|
#define HELLO_CATCH_COMMAND "catch"
|
|
#define HELLO_SPAWN_COMMAND "spawn"
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
errval_t err;
|
|
printf("Hello, world!\n");
|
|
|
|
printf("argv:\n");
|
|
for(int i = 0; i < argc; ++i) {
|
|
printf(" %d -> %s\n", i, argv[i]);
|
|
}
|
|
|
|
struct aos_rpc *rpc = aos_rpc_get_init_channel();
|
|
err = aos_rpc_send_number(rpc, 1234);
|
|
if (err_is_fail(err)) USER_PANIC_ERR(err, "Failed to send RPC");
|
|
|
|
err = aos_rpc_send_string(rpc, "Hello World via RPC!");
|
|
if (err_is_fail(err)) USER_PANIC_ERR(err, "Failed to send RPC");
|
|
|
|
// try to spawn a child using rpc
|
|
if (argc > 1 && !strncmp(argv[1], HELLO_SPAWN_COMMAND, sizeof(HELLO_SPAWN_COMMAND))) {
|
|
// start process
|
|
domainid_t pid;
|
|
rpc = aos_rpc_get_process_channel();
|
|
err = aos_rpc_process_spawn(rpc, "hello Aurel Jan Sandro", 0, &pid);
|
|
if (err_is_fail(err)) USER_PANIC_ERR(err, "Failed to spawn process");
|
|
printf("Started a new process!\n");
|
|
|
|
// get process name
|
|
char *name;
|
|
err = aos_rpc_process_get_name(rpc, pid, &name);
|
|
if (err_is_fail(err)) USER_PANIC_ERR(err, "Failed to get process name");
|
|
printf("Process Name: %s\n", name);
|
|
|
|
// get all PIDs
|
|
domainid_t *pids;
|
|
size_t pid_count;
|
|
err = aos_rpc_process_get_all_pids(rpc, &pids, &pid_count);
|
|
if (err_is_fail(err)) USER_PANIC_ERR(err, "Failed to get all PIDs");
|
|
printf("PIDs:\n");
|
|
for(size_t i = 0; i < pid_count; ++i) {
|
|
printf(" %lu\n", pids[i]);
|
|
}
|
|
}
|
|
|
|
// if we receive the catch command, RUN!
|
|
if (argc > 1 && !strncmp(argv[1], HELLO_CATCH_COMMAND, sizeof(HELLO_CATCH_COMMAND))) {
|
|
int iter = 0;
|
|
while(1) {
|
|
printf("Catch me if you can! %d\n", iter);
|
|
// wait for 1 second
|
|
barrelfish_usleep(1000000);
|
|
++iter;
|
|
}
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|