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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <mqueue.h>
#include <errno.h>
typedef struct {
char *f_mqname;
char *f_push;
int f_verbose;
int f_helper;
} mqueue_params;
mqueue_params g_params;
void helper(char *progname)
{
printf("Usage: %s [OPTS] VALUE\n\n"
"Version: 0.0.1 \n"
"-m mqueue name\n"
"-v verbose output\n"
"-p push value\n"
"-h help options\n"
"\n"
, progname);
}
#define full_mqpath_len 1024
int main(int argc, char **argv)
{
//stack params
int c,err;
int i;
int mq_fd;
char full_mqpath[full_mqpath_len];
int prio=10;
char *push_val="NONE";
int push_size=strlen(push_val);
memset(&g_params,0,sizeof(g_params));
//process arguments
while ((c = getopt(argc, argv, "m:vhp:")) != -1)
{
switch (c)
{
case 'm':
g_params.f_mqname = optarg;
break;
case 'v':
g_params.f_verbose = 1;
break;
case 'p':
g_params.f_push = optarg;
break;
case 'h':
default:
helper(argv[0]);
exit(1);
}
}
if (g_params.f_helper)
{
helper(argv[0]);
return 0;
}
//set mqueue name
if (g_params.f_mqname == NULL)
{
g_params.f_mqname = "/stack-0";
}
//compose string
memset(&full_mqpath[0], 0, full_mqpath_len);
snprintf(&full_mqpath[0], full_mqpath_len-1, "%s", g_params.f_mqname);
if (g_params.f_verbose)
{
printf("Full path: %s\n",&full_mqpath);
}
mq_fd = mq_open(g_params.f_mqname,O_RDWR | O_CREAT, 0666, NULL);
err = errno;
if (mq_fd == -1)
{
if (g_params.f_verbose)
{
printf("ERROR:%d,%s\n",err,strerror(err));
}
return -1;
}
printf("%s\n",g_params.f_mqname);
if (g_params.f_push != NULL)
{
push_val = g_params.f_push;
push_size = strlen(push_val);
}
mq_send(mq_fd, push_val, push_size, prio);
close(mq_fd);
return 0;
}
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