int wrap_rrd_graph(char *argstr, FILE *fd)
{
char
**prdata = NULL, // must be passed to the rrd_graph function but does not need to be initialised
**argv = NULL;
int
i, argc,
xsize = 0, // must be passed to the rrd_graph function but does not need to be initialised
ysize = 0; // must be passed to the rrd_graph function but does not need to be initialised
double
ymin, // must be passed to the rrd_graph function but does not need to be initialised
ymax; // must be passed to the rrd_graph function but does not need to be initialised
if((argv = string_to_argv(argstr, &argc)) != NULL)
{
optind=0; /* reset gnu getopt */
opterr=0; /* no error messages */
i = rrd_graph(argc, argv, &prdata, &xsize, &ysize, fd, &ymin, &ymax);
// free up the memory
Free_argv(argv);
return i;
}
else
{
// error
return (-1);
}
}
int wrap_rrd_dump(char *argstr)
{
char
**argv;
int
i, argc;
if((argv = string_to_argv(argstr, &argc)) != NULL)
{
optind=0; /* reset gnu getopt */
opterr=0; /* no error messages */
i = rrd_dump(argc, argv);
// free up the memory
Free_argv(argv);
return i;
}
else
{
// error
return (-1);
}
}
/**
* @brief sends/receives socket messages
* @param self pointer to dispatcher socket struct
* @param context void context pointer required for event loop callback (currently unused)
*/
int dispatcher_cb(void *self, void *context) {
co_socket_t *sock = self;
char buffer[1024];
char *cmdargv[MAX_ARGS];
int cmdargc;
memset((void *)buffer, '\0', sizeof(buffer));
/* Incoming message on socket */
int received = sock->receive(sock, buffer, sizeof(buffer));
DEBUG("Received %d bytes.", received);
if(received == 0) {
INFO("Received connection.");
return 1;
}
if (received < 0) {
INFO("Connection recvd() -1");
sock->hangup(sock, context);
return 1;
}
/* If it's a commotion message type, parse the header, target and payload */
co_msg_t *msgrcv = co_msg_unpack(buffer);
if(msgrcv->header.size <= (sizeof(co_msg_header_t) + strlen(msgrcv->target))) {
DEBUG("Received message with target %s and empty payload.", msgrcv->target);
cmdargc = 0;
cmdargv[0] = NULL;
} else {
DEBUG("Received target %s and payload %s", msgrcv->target, msgrcv->payload);
string_to_argv(msgrcv->payload, cmdargv, &cmdargc, MAX_ARGS);
}
/* */
char *ret = co_cmd_exec(msgrcv->target, cmdargv, cmdargc, 0);
if(ret) {
sock->send(sock, ret, strlen(ret));
free(ret);
} else {
sock->send(sock, "No such command.\n", 17);
}
// for(int i = 0; i < cmdargc; i++) {
// if(cmdargv[i]) free(cmdargv[i]);
// }
return 1;
}