static void
free_process (gpointer data)
{
process_t *process = data;
destroy_process (process);
}
void remove_endpoint_handle(EndpointHandle * endpointHandle)
{
destroy_process(endpointHandle->process);
DEST_SPINLOCK(&endpointHandle->endpoint->lock);
FREE(endpointHandle->endpoint);
FREE(endpointHandle);
}
void
_exit(int _exitcode)
{
//kprintf("PID %d exitcode %d\n", curthread->t_pid, _exitcode);
// lock_acquire(parray_lock);
// parray[curthread->t_pid].exitcode = _exitcode;
// parray[curthread->t_pid].self = NULL;
// parray[curthread->t_pid].occupied = 0;
// lock_release(parray_lock);
destroy_process(_exitcode);
//kprintf("PID %d done exit\n", curthread->t_pid);
thread_exit();
}
void purge_proc_list(){
process *p;
process *p_prev;
process *p_next;
for (p = first_process; p; p=p->next){
if (p->completed){
p_prev = p->prev;
p_next = p->next;
p_prev->next = p_next;
if(p_next)
p_next->prev = p_prev;
destroy_process(p);
}
}
}
int main(int argc, char *argv[]) {
//check for correct usage
if (argc < 2) {
printf("The correct usage is ./proja <filename>\n");
perror("Incorrect usage of program!! exiting!!\n");
return -1;
}
init_process();
char *filename = argv[1];
//1. read the input parameter file
read_input_file(filename);
sleep(2);//to see if that helps the last client being stuck at infinite loop
destroy_process();
return 0;
}
static int parse_client_line(const int client_socket, char *msg)
{
char *token;
/* On récupère le premier mot, s'il est vide, on retourne direct */
if (!(token = strtok(msg, " ")))
return MSG_OK;
/*****************************************************************************
* CMD_QUIT
****************************************************************************/
if (!strcmp(CMD_QUIT, token))
{
send_ok(client_socket, DETAIL_RET_QUIT);
return MSG_QUIT;
}
/*****************************************************************************
* CMD_CREATE_PROCESS
****************************************************************************/
else if (!strcmp(CMD_CREATE_PROCESS, token))
{
char *args[MAX_ARGS];
char **pc = args;
/* On récup le nom du prog */
if (!(token = strtok(NULL, " ")))
{
send_failure(client_socket, DETAIL_RET_CREATE_PROCESS_SYNTAX);
return MSG_ERR;
}
/* strtok renvoie un buffer static, on le copie */
/* *pc = args[0] = nom du programme */
if (!(*pc++ = strdup(token)))
{
perror("strdup");
return MSG_ERR;
}
/* La suite devient optionelle, c'est les arguments */
while ((token = strtok(NULL, " ")))
{
if ((*pc++ = strdup(token)) == NULL)
{
perror("strdup");
return MSG_ERR;
}
}
*pc = NULL; /* Fin des arguments */
/* On crée le processus */
pid_t proc = create_process(args[0], args);
/* Le processus n'a pas pu être créé */
if (proc == -1) {
send_failure(client_socket, DETAIL_RET_CREATE_PROCESS_ERROR);
return MSG_ERR;
}
send_ok(client_socket, itoa(proc));
return MSG_OK;
}
/*****************************************************************************
* CMD_DESTROY_PROCESS
****************************************************************************/
else if (!strcmp(CMD_DESTROY_PROCESS, token))
{
if ((token = strtok(NULL, " ")) == NULL)
{
send_failure(client_socket, DETAIL_RET_DESTROY_PROCESS_SYNTAX);
return MSG_ERR;
}
pid_t process_to_kill = atoi(token);
if (!process_exists(process_to_kill))
{
send_failure(client_socket, DETAIL_RET_UNKNOWN_PROCESS);
return MSG_ERR;
}
destroy_process(process_to_kill);
send_ok(client_socket, NULL);
return MSG_OK;
}
/*****************************************************************************
* CMD_SEND_INPUT
****************************************************************************/
else if (!strcmp(CMD_SEND_INPUT, token))
{
char buffer[MESSAGE_BUFFER_SIZE];
buffer[0] = '\0';
/* On récup le PID */
if ((token = strtok(NULL, " ")) == NULL)
{
send_failure(client_socket, DETAIL_RET_SEND_INPUT_SYNTAX);
return MSG_ERR;
}
/* Il existe ? */
pid_t send_to_process = atoi(token);
if (!process_exists(send_to_process))
{
send_failure(client_socket, DETAIL_RET_UNKNOWN_PROCESS);
return MSG_ERR;
}
/* Il est déjà terminé ? */
if (get_return_code(send_to_process) != PROCESS_NOT_TERMINATED)
{
send_failure(client_socket, DETAIL_RET_PROCESS_TERMINATED);
return MSG_ERR;
}
/* Son stdin est ouvert ? */
if (!input_open(send_to_process))
{
send_failure(client_socket, DETAIL_RET_INPUT_CLOSE);
return MSG_ERR;
}
/* On récup' le message à envoyer */
/* TODO: Prendre la chaîne telle qu'elle, sans splitter puis merger avec un espace */
while ((token = strtok(NULL, " ")))
{
strcat(buffer, token);
strcat(buffer, " ");
}
/* Si le message est vide, erreur ! */
if (strlen(buffer) == 0)
{
send_failure(client_socket, DETAIL_RET_SEND_INPUT_SYNTAX);
return MSG_ERR;
}
/* Sinon on envoie ! */
send_input(send_to_process, buffer);
send_ok(client_socket, NULL);
return MSG_OK;
}
/*****************************************************************************
* CMD_CLOSE_INPUT
****************************************************************************/
else if (!strcmp(CMD_CLOSE_INPUT, token))
{
if ((token = strtok(NULL, " ")) == NULL)
{
send_failure(client_socket, DETAIL_RET_CLOSE_INPUT_SYNTAX);
return MSG_ERR;
}
pid_t process_to_close_input = atoi(token);
if (!process_exists(process_to_close_input))
{
send_failure(client_socket, DETAIL_RET_UNKNOWN_PROCESS);
return MSG_ERR;
}
close_input(process_to_close_input);
send_ok(client_socket, NULL);
return MSG_OK;
}
/*****************************************************************************
* CMD_GET_OUTPUT
****************************************************************************/
else if (!strcmp(CMD_GET_OUTPUT, token))
{
if ((token = strtok(NULL, " ")) == NULL)
{
send_failure(client_socket, DETAIL_RET_GET_OUTPUT_SYNTAX);
return MSG_ERR;
}
pid_t process_to_get_output = atoi(token);
if (!process_exists(process_to_get_output))
{
send_failure(client_socket, DETAIL_RET_UNKNOWN_PROCESS);
return MSG_ERR;
}
get_output(client_socket, process_to_get_output);
send_ok(client_socket, NULL);
return MSG_OK;
}
/*****************************************************************************
* CMD_GET_ERROR
****************************************************************************/
else if (!strcmp(CMD_GET_ERROR, token))
{
if ((token = strtok(NULL, " ")) == NULL)
{
send_failure(client_socket, DETAIL_RET_GET_ERROR_SYNTAX);
return MSG_ERR;
}
pid_t process_to_get_error = atoi(token);
if (!process_exists(process_to_get_error))
{
send_failure(client_socket, DETAIL_RET_UNKNOWN_PROCESS);
return MSG_ERR;
}
get_error(client_socket, process_to_get_error);
send_ok(client_socket, NULL);
return MSG_OK;
}
/*****************************************************************************
* CMD_GET_RETURN_CODE
****************************************************************************/
else if (!strcmp(CMD_GET_RETURN_CODE, token))
{
if ((token = strtok(NULL, " ")) == NULL)
{
send_failure(client_socket, DETAIL_RET_GET_RETURN_CODE_SYNTAX);
return MSG_ERR;
}
pid_t process_to_get_ret = atoi(token);
if (!process_exists(process_to_get_ret))
{
send_failure(client_socket, DETAIL_RET_UNKNOWN_PROCESS);
return MSG_ERR;
}
int ret = get_return_code(process_to_get_ret);
if (ret == PROCESS_NOT_TERMINATED)
{
send_failure(client_socket, DETAIL_RET_GET_RETURN_CODE_ERROR);
return MSG_ERR;
}
send_ok(client_socket, itoa(ret));
return MSG_OK;
}
/*****************************************************************************
* CMD_LIST_PROCESS
****************************************************************************/
else if (!strcmp(CMD_LIST_PROCESS, token))
{
list_process(client_socket);
send_ok(client_socket, NULL);
return MSG_OK;
}
/*****************************************************************************
* CMD_GET_HELP
****************************************************************************/
else if (!strcmp(CMD_GET_HELP, token))
{
send_basic(client_socket, help, strlen(help));
return MSG_OK;
}
/*****************************************************************************
* COMMANDE INCONNUE
****************************************************************************/
else
{
send_failure(client_socket, DETAIL_RET_UNKNOWN_COMMAND);
return MSG_UNKNOWN_COMMAND;
}
}