void * pipes_function(void * pointer) {
INTERF *interf = (INTERF *) pointer;
int i;
char cadena[10];
ini_pipes();
calculate_next();
copy_pipes();
for (i = 0; i < NUM_PIPES; i++)
current_pipes[i]->position = 123 + 35 * i;
listo1 = 1;
while (!crash() && !fcrash) {
for (i = 0; i < NUM_PIPES && !fcrash; i++) {
usleep(25000);
sprintf(cadena, "%d", score);
write_interf(interf, 0, 13, 70, cadena);
current_pipes[i]->position--;
print_pipe(interf, current_pipes[i]);
if (current_pipes[i]->position <= 0) {
erase_first(interf);
score++;
calculate_next_u(i);
copy_pipes_u(i);
current_pipes[i]->position = 87 + 123;
}
}
}
pthread_exit(NULL);
}
/* print/dump/visualize a command list */
void parser_print(cmds* cmd)
{
if (cmd==NULL)
{
printf("NULL\n");
return;
}
switch (cmd->kind)
{
case EXIT:
printf("EXIT ");
break;
case CD:
printf("CD %s ",cmd->cd.path);
break;
case PROG:
print_prog(&cmd->prog);
break;
case PIPE:
print_pipe(cmd);
break;
case ENV:
if (cmd->env.value != NULL)
{
printf("SET %s=%s ",cmd->env.name,cmd->env.value);
}
else
{
printf("UNSET %s ",cmd->env.name);
}
break;
case JOB:
switch (cmd->job.kind)
{
case INFO: printf("JOBS "); break;
case BG: printf("BG "); break;
case FG: printf("FG ");
}
if (cmd->job.id!=-1) printf("%d ",cmd->job.id);
break;
}
if (cmd->next!=NULL)
{
printf(";\n");
parser_print(cmd->next);
}
else
{
printf("\n");
}
}
int main(int argc, char* argv[])
{
struct pipe p;
void* h;
void* h0, *h1, *h2;
void* b;
const void* b0, *b1, *b2;
int s0, s1, s2;
// init
printf("%d\n", init_pipe(&p, 3, 2, 0x1));
#if 0
//get and push
h0 = get_buf(&p, &b);
printf("%p %p\n", h0, b);
printf("%d\n", push_buf(&p, h0, 1));
print_pipe(&p);
h0 = pull_buf(&p, 0, &b0, &s0);
h1 = pull_buf(&p, 1, &b1, &s1);
h2 = pull_buf(&p, 2, &b2, &s2);
put_buf(&p, h0);
put_buf(&p, h1);
put_buf(&p, h2);
print_pipe(&p);
h0 = get_buf(&p, &b);
printf("%p %p\n", h0, b);
printf("%d\n", push_buf(&p, h0, 1));
#endif
// src push 0 1 2
h = get_buf(&p, &b); push_buf(&p, h, 1);
// src push 0 1 2
h = get_buf(&p, &b); push_buf(&p, h, 2);
// dst pull 1 2
h2 = pull_buf(&p, 2, &b2, &s2); put_buf(&p, h2);
h1 = pull_buf(&p, 1, &b1, &s1); put_buf(&p, h1);
//print_pipe(&p); exit(0);
// src push 1 2 (0 is full)
h = get_buf(&p, &b); push_buf(&p, h, 3);
//print_pipe(&p); exit(0);
// dst pull 1 2
h2 = pull_buf(&p, 2, &b2, &s2); put_buf(&p, h2);
h1 = pull_buf(&p, 1, &b1, &s1); put_buf(&p, h1);
//print_pipe(&p); exit(0);
// dst pull 1 2
h2 = pull_buf(&p, 2, &b2, &s2); put_buf(&p, h2);
h1 = pull_buf(&p, 1, &b1, &s1); put_buf(&p, h1);
//print_pipe(&p); exit(0);
// dst pull 0
h0 = pull_buf(&p, 0, &b0, &s0); put_buf(&p, h0);
// dst pull 0
h0 = pull_buf(&p, 0, &b0, &s0); put_buf(&p, h0);
//print_pipe(&p); exit(0);
// src push 0 1 2
h = get_buf(&p, &b); push_buf(&p, h, 4);
// src push 0 1 2
h = get_buf(&p, &b); push_buf(&p, h, 5);
// src push 0 1 2
h = get_buf(&p, &b); push_buf(&p, h, 6);
// src push 0 1 2
h = get_buf(&p, &b); push_buf(&p, h, 7);
//print_pipe(&p); exit(0);
// dst pull 0
h0 = pull_buf(&p, 0, &b0, &s0); put_buf(&p, h0);
// dst pull 0
h0 = pull_buf(&p, 0, &b0, &s0); put_buf(&p, h0);
h0 = pull_buf(&p, 0, &b0, &s0);
printf("%p\n", h0);
print_pipe(&p); exit(0);
//should be src(0), dst0(0), dst1(2), dst2(2)
#if 0
struct queue q;
void* p;
init_queue(&q, 5);
printf("%d\n", enqueue(&q, (void*)1));
printf("%d\n", enqueue(&q, (void*)2));
printf("%d\n", enqueue(&q, (void*)3));
printf("%d\n", enqueue(&q, (void*)4));
printf("%d\n", enqueue(&q, (void*)5));
printf("%d\n", enqueue(&q, (void*)6));
printf("\n");
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("\n\n");
init_queue(&q, 7);
printf("%d\n", enqueue(&q, (void*)1));
printf("%d\n", enqueue(&q, (void*)2));
printf("%d\n", enqueue(&q, (void*)3));
printf("%d\n", enqueue(&q, (void*)4));
printf("%d\n", enqueue(&q, (void*)5));
printf("%d\n", enqueue(&q, (void*)6));
printf("%d\n", enqueue(&q, (void*)7));
printf("%d\n", enqueue(&q, (void*)8));
printf("\n");
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
printf("%d ", dequeue(&q, &p)); printf("%p\n", p);
#endif
return 0;
}
// apply socket options related to ipfw commands
static int apply_socket_options(int s, int option_id, void *option,
socklen_t option_length)
{
// choose the action corresponding to the given command
switch(option_id)
{
// add a rule to the firewall (the rule contains dummynet pipes);
// option should be of type "struct ip_fw*"
case IP_FW_ADD:
#ifdef MESSAGE_DEBUG
DEBUG("Add ipfw rule: ");
print_rule((struct ip_fw*)option);
#endif
if(getsockopt(s, IPPROTO_IP, option_id, option, &option_length) < 0)
{
WARNING("Error getting socket options");
perror("getsockopt");
return ERROR;
}
break;
// delete a firewall rule (the rule contains dummynet pipes);
// option should be of type "u_int32_t *"
case IP_FW_DEL:
DEBUG("Delete ipfw rule #%d", (*(u_int32_t *)option));
if(setsockopt(s, IPPROTO_IP, option_id, option, option_length)<0)
{
WARNING("Error setting socket options");
perror("setsockopt");
return ERROR;
}
break;
// configure a dummynet pipe;
// option should be of type "dn_pipe *"
case IP_DUMMYNET_CONFIGURE:
#ifdef MESSAGE_DEBUG
DEBUG("Configure ipfw dummynet pipe: ");
print_pipe((struct dn_pipe*)option);
#endif
if(setsockopt(s, IPPROTO_IP, option_id, option, option_length)<0)
{
WARNING("Error setting socket options");
perror("setsockopt");
return ERROR;
}
break;
/* FUTURE PLAN: DELETE _PIPES_ INSTEAD OF RULES
case IP_DUMMYNET_DEL:
printf("delete pipe: option_id=%d option=%d option_length=%d\n",
option_id, (*(int16_t*)(option)), option_length);
if(setsockopt(s, IPPROTO_IP, option_id, option, option_length)<0)
{
WARNING("Error setting socket options");
perror("setsockopt");
return ERROR;
}
break;
*/
default:
WARNING("Unrecognized ipfw socket option: %d", option_id);
return -1;
}
return 0;
}
