static bool
fifo_open(struct fifo_data *fd, GError **error)
{
if (!fifo_check(fd, error))
return false;
fd->input = open_cloexec(fd->path, O_RDONLY|O_NONBLOCK, 0);
if (fd->input < 0) {
g_set_error(error, fifo_output_quark(), errno,
"Could not open FIFO \"%s\" for reading: %s",
fd->path, strerror(errno));
fifo_close(fd);
return false;
}
fd->output = open_cloexec(fd->path, O_WRONLY|O_NONBLOCK, 0);
if (fd->output < 0) {
g_set_error(error, fifo_output_quark(), errno,
"Could not open FIFO \"%s\" for writing: %s",
fd->path, strerror(errno));
fifo_close(fd);
return false;
}
return true;
}
/* free all resources, close all threads */
int bsreader_close(void)
{
int ret = 0;
lock_all();
//TODO, possible release
if (!G_ready) {
printf("has not opened, cannot close\n");
return -1;
}
if (cancel_working_thread() < 0) {
perror("pthread_cancel bsreader main");
return -1;
} else {
DEBUG_PRINT("main working thread canceled \n");
}
fifo_close(myFIFO[0]);
fifo_close(myFIFO[1]);
fifo_close(myFIFO[2]);
fifo_close(myFIFO[3]);
if (G_bsreader_init_data.cavlc_possible) {
destroy_cavlc();
}
G_ready = 0;
unlock_all();
pthread_mutex_destroy(&G_all_mutex);
return ret;
}
/* Closes the file descriptor and writes EOF to it.*/
int fd_close(int fd) {
if (fd != -1 && files[fd].used) {
if(files[fd].used == 0) {
fifo_close(files[fd].data);
}
files[fd].used--;
} else if (fd != -1){
if(files[fd].used == 0) {
fifo_close(files[fd].data);
}
}
// TODO: Make the remaining clears
}
int child_process (void)
{
int fd;
char buf [100];
/* Setup a signal handler for SIGINT */
signal (SIGINT, int_proc);
signal (SIGTERM, int_proc);
if (verbose)
printf ("child start\n");
fd = fifo_open (FILENAME, 0);
if (fd == -1)
return EXIT_FAILURE;
while (!stop)
{
memset (buf, 0, 100);
fifo_read (fd, buf, 100);
printf ("read: >%s<\n", buf);
fflush (stdout);
}
fifo_close (fd);
if (verbose)
printf ("child done\n");
return EXIT_SUCCESS;
}
/******************************************************************************
Description.: stops the execution of the worker thread
Input Value.: -
Return Value: 0
******************************************************************************/
int input_stop(int id)
{
DBG("will cancel input thread\n");
pthread_cancel(worker);
fifo_close();
return 0;
}
static void
fifo_output_finish(void *data)
{
struct fifo_data *fd = (struct fifo_data *)data;
fifo_close(fd);
fifo_data_free(fd);
}
static PyObject* fifoClose(PyObject* self, PyObject* arg)
{
unsigned int fifo_id ;
if(!PyArg_ParseTuple(arg, "l", &fifo_id))
return NULL;
fifo_close(fifo_id);
return Py_BuildValue("l", 1) ;
}
void
fifo_destroy()
{
char *path;
fifo_close ();
path = g_build_filename (g_get_home_dir (), ".quark", FIFO_NAME, NULL);
unlink (path);
g_free (path);
}
int
tmpfs_fifo_close(void *v)
{
struct vop_close_args /* {
struct vnode *a_vp;
int a_fflag;
kauth_cred_t a_cred;
} */ *ap = v;
struct vnode *vp = ap->a_vp;
tmpfs_update(vp, NULL, NULL, 0);
return (fifo_close(v));
}
/*
* Close wrapper for fifo's.
*
* Update the times on the inode then do device close.
*/
int
ufsfifo_close(void *v)
{
struct vop_close_args *ap = v;
struct vnode *vp = ap->a_vp;
struct inode *ip = VTOI(vp);
if (ap->a_vp->v_usecount > 1) {
struct timeval tv;
getmicrotime(&tv);
ITIMES(ip, &tv, &tv);
}
return (fifo_close(ap));
}
static gboolean
fifo_read (GIOChannel *chan, GIOCondition cond, gpointer data)
{
char *command;
gsize term;
GError *err;
gboolean ret;
g_static_mutex_lock (&main_fifo_mutex);
err = NULL;
if (cond & G_IO_IN) {
while (g_io_channel_read_line (chan, &command, NULL, &term, &err) ==
G_IO_STATUS_NORMAL) {
command[term] = '\0';
fifo_execute (command);
g_free (command);
}
if (err) {
g_warning ("error reading fifo: %s", err->message);
g_error_free (err);
}
}
if (cond & G_IO_HUP || cond & G_IO_ERR) {
fifo_close ();
if (!fifo_open ()) {
g_critical ("failed to reopen fifo");
main_quit ();
}
ret = FALSE; /* remove me from the watch */
} else
ret = TRUE;
g_static_mutex_unlock (&main_fifo_mutex);
return ret;
}
int main(int argc, char *argv[]) {
enum { MAX_RETRIES = 100 };
enum { SLEEP_US = 1000 };
bool attach = false;
_xcc_status cc;
bool client = false;
int count;
int count_read;
int count_written;
bool dif = false;
double dloop;
double dms;
double dsec;
int err;
bool exec = false;
int ferr;
bool fin = false;
MS_Mon_Process_Info_Type info;
MS_Mon_Process_Info_Type *infop;
int inx;
int inx2;
int inx3;
short len;
short lerr;
short lerr2;
int loop = 10;
int max;
int nid;
pid_t pid;
int sargc;
ssize_t size;
int snid;
int spid;
bool startup = false;
xzsys_ddl_smsg_def *sys_msgp = (xzsys_ddl_smsg_def *) recv_buffer;
int sys_msg;
int sys_msg_count;
bool verbose = false;
TAD zargs[] = {
{ "-attach", TA_Bool, TA_NOMAX, &attach },
{ "-client", TA_Bool, TA_NOMAX, &client },
{ "-dif", TA_Bool, TA_NOMAX, &dif },
{ "-exec", TA_Bool, TA_NOMAX, &exec },
{ "-loop", TA_Int, TA_NOMAX, &loop },
{ "-maxsp", TA_Int, TA_NOMAX, &maxsp },
{ "-server", TA_Ign, TA_NOMAX, NULL },
{ "-startup", TA_Bool, TA_NOMAX, &startup },
{ "-trace", TA_Bool, TA_NOMAX, &trace },
{ "-v", TA_Bool, TA_NOMAX, &verbose },
{ "-verbose", TA_Ign, TA_NOMAX, NULL },
{ "", TA_End, TA_NOMAX, NULL }
};
arg_proc_args(zargs, false, argc, argv);
sprintf(fifo1, "%s-%s", FIFO1, getenv("USER"));
sprintf(fifo2, "%s-%s", FIFO2, getenv("USER"));
if (trace)
msg_init_trace();
if (exec)
return 0;
if (startup) {
err = fifo_open(fifo1, O_WRONLY);
assert(err != -1);
ffds[1] = err;
err = fifo_open(fifo2, O_RDONLY);
assert(err != -1);
ffds[0] = err;
if (trace)
trace_printf("cli: writing fifo\n");
size = write(ffds[1], recv_buffer, 1);
if (trace)
trace_printf("cli: fifo write, size=%d\n", (int) size);
assert(size == 1);
if (trace)
trace_printf("cli: fifo written\n");
close(ffds[1]);
return 0;
}
if (attach)
ferr = file_init_attach(&argc, &argv, false, NULL);
else
ferr = file_init(&argc, &argv);
TEST_CHK_FEOK(ferr);
util_test_start(client);
ferr = msg_mon_process_startup(true); // system messages
util_check("msg_mon_process_startup", ferr);
ferr = msg_mon_get_my_process_name(procname, BUFSIZ);
util_check("msg_mon_get_my_process_name", ferr);
ferr = msg_mon_get_process_info(procname, &nid, &pid);
TEST_CHK_FEOK(ferr);
if (trace)
trace_printf("proc=%s, nid=%d, pid=%d\n", procname, nid, pid);
dloop = (double) loop;
for (inx = 0; inx < T_MAX; inx++)
t_elapsed[inx] = 0.0;
if (client) {
printf("loop=%d, maxsp=%d\n", loop, maxsp);
sargc = argc;
assert(sargc < MAX_ARGS);
for (inx2 = 0; inx2 < argc; inx2++) {
if (strcmp(argv[inx2], "-client") == 0)
sargv[inx2] = (char *) "-server";
else
sargv[inx2] = argv[inx2];
if (strcmp(argv[inx2], "-attach") == 0)
sargv[inx2] = (char *) "-server";
}
sargv[argc] = NULL;
sprintf(sprog, "%s/%s", getenv("PWD"), argv[0]);
time_start(T_TOTAL);
for (inx = 0; inx < loop; inx += maxsp) {
if (dif)
snid = -1;
else
snid = nid;
max = loop - inx;
if (max > maxsp)
max = maxsp;
for (inx2 = 0; inx2 < max; inx2++)
sname[inx2][0] = 0; // mon picks name
if (trace)
trace_printf("cli: newproc, inx=%d\n", inx);
time_start(T_NEWPROC);
for (inx2 = 0; inx2 < max; inx2++) {
ferr = msg_mon_start_process(sprog, // prog
sname[inx2], // name
sname[inx2], // ret_name
sargc, // argc
sargv, // argv
TPT_REF2(sphandle,inx2),// phandle
false, // open
&soid[inx2], // oid
MS_ProcessType_Generic, // type
0, // priority
false, // debug
false, // backup
&snid, // nid
&spid, // pid
NULL, // infile
NULL); // outfile
TEST_CHK_FEOK(ferr);
}
time_stop(T_NEWPROC);
time_elapsed(T_NEWPROC);
// wait here until processes are 'up'
// so that open timing is correct
inx3 = 0;
for (inx2 = 0; inx2 < max; inx2++) {
ferr = msg_mon_get_process_info_detail(sname[inx2], &info);
TEST_CHK_FEOK(ferr);
if (info.state != MS_Mon_State_Up) {
inx3++;
if (inx3 > MAX_RETRIES) {
printf("process %s did not enter 'UP' state\n", sname[inx2]);
assert(inx3 < MAX_RETRIES);
}
usleep(SLEEP_US);
inx2--;
continue;
} else
inx3 = 0;
}
if (trace)
trace_printf("cli: open, inx=%d\n", inx);
time_start(T_OPEN);
for (inx2 = 0; inx2 < max; inx2++) {
if (trace)
trace_printf("cli: opening inx=%d, name=%s\n", inx, sname[inx2]);
len = (short) strlen(sname[inx2]);
ferr = BFILE_OPEN_(sname[inx2], len, &sfilenum[inx2],
0, 0, 0,
0, 0, 0, 0);
if (trace)
trace_printf("cli: open, inx=%d, name=%s, ferr=%d\n",
inx, sname[inx2], ferr);
TEST_CHK_FEOK(ferr);
}
time_stop(T_OPEN);
time_elapsed(T_OPEN);
if (trace)
trace_printf("cli: procinfo, inx=%d\n", inx);
time_start(T_PROCINFO);
for (inx2 = 0; inx2 < max; inx2++) {
ferr = msg_mon_get_process_info_detail(sname[inx2], &info);
TEST_CHK_FEOK(ferr);
}
time_stop(T_PROCINFO);
time_elapsed(T_PROCINFO);
if (trace)
trace_printf("cli: procinfo-type, inx=%d\n", inx);
time_start(T_PROCINFO_TYPE);
ferr = msg_mon_get_process_info_type(MS_ProcessType_Generic,
&count,
MAX_SRV,
infotype);
TEST_CHK_FEOK(ferr);
time_stop(T_PROCINFO_TYPE);
time_elapsed(T_PROCINFO_TYPE);
if (verbose) {
for (inx2 = 0; inx2 < count; inx2++) {
infop = &infotype[inx2];
char s_em = infop->event_messages ? 'E' : '-';
char s_sm = infop->system_messages ? 'S' : '-';
char s_pr = infop->pending_replication ? 'R' : '-';
char s_pd = infop->pending_delete ? 'D' : '-';
char s_s = infop->state == MS_Mon_State_Up ? 'A' : 'U';
char s_o = infop->opened ? 'O' : '-';
char s_p = infop->paired ? 'P' : infop->backup ? 'B' : '-';
printf("%3.3d,%8.8d %3.3d %d %c%c%c%c%c%c%c %-11s %-11s %-15s\n",
infop->nid,
infop->pid,
infop->priority,
infop->state,
s_em, s_sm, s_pr, s_pd, s_s, s_o, s_p,
infop->process_name,
infop->parent_name,
infop->program);
}
}
if (trace)
trace_printf("cli: close, inx=%d\n", inx);
time_start(T_CLOSE);
for (inx2 = 0; inx2 < max; inx2++) {
ferr = BFILE_CLOSE_(sfilenum[inx2]);
TEST_CHK_FEOK(ferr);
}
time_stop(T_CLOSE);
time_elapsed(T_CLOSE);
// re-open/close
for (inx2 = 0; inx2 < max; inx2++) {
if (trace)
trace_printf("cli: re-opening inx=%d, name=%s\n",
inx, sname[inx2]);
len = (short) strlen(sname[inx2]);
ferr = BFILE_OPEN_(sname[inx2], len, &sfilenum[inx2],
0, 0, 0,
0, 0, 0, 0);
TEST_CHK_FEOK(ferr);
}
if (trace)
trace_printf("cli: re-close, inx=%d\n", inx);
for (inx2 = 0; inx2 < max; inx2++) {
ferr = BFILE_CLOSE_(sfilenum[inx2]);
TEST_CHK_FEOK(ferr);
}
if (trace)
trace_printf("cli: newproc-forkexec, inx=%d\n", inx);
sargc = 2;
sargv[0] = argv[0];
sargv[1] = (char *) "-exec";
if (trace)
sargv[sargc++] = (char *) "-trace";
sargv[sargc] = NULL;
time_start(T_FORKEXEC);
for (inx2 = 0; inx2 < max; inx2++) {
pid = fork();
assert(pid >= 0);
if (pid == 0) {
// child
err = execv(sprog, sargv);
assert(err == 0);
}
}
time_stop(T_FORKEXEC);
time_elapsed(T_FORKEXEC);
if (trace)
trace_printf("cli: newproc-forkexec-su, inx=%d\n", inx);
sargc = 2;
sargv[0] = argv[0];
sargv[1] = (char *) "-startup";
if (trace)
sargv[sargc++] = (char *) "-trace";
sargv[sargc] = NULL;
time_start(T_FORKEXEC_SU);
for (inx2 = 0; inx2 < max; inx2++) {
fifo_create(fifo1, fifo2);
pid = fork();
assert(pid >= 0);
if (pid > 0) {
// parent
err = fifo_open(fifo1, O_RDONLY);
assert(err != -1);
ffds[0] = err;
err = fifo_open(fifo2, O_WRONLY);
assert(err != -1);
ffds[1] = err;
if (trace)
trace_printf("cli: reading fifo, inx=%d\n", inx2);
size = ::read(ffds[0], recv_buffer, 1);
if (trace)
trace_printf("cli: fifo read, size=%d\n", (int) size);
assert(size == 1);
if (trace)
trace_printf("cli: fifo read, inx=%d\n", inx2);
::read(ffds[0], recv_buffer, 1);
err = fifo_close(ffds[0]);
assert(err == 0);
err = fifo_close(ffds[1]);
assert(err == 0);
fifo_destroy(fifo1, fifo1);
} else {
// child
err = execv(sprog, sargv);
assert(err == 0);
}
}
fifo_destroy(fifo2, fifo2);
time_stop(T_FORKEXEC_SU);
time_elapsed(T_FORKEXEC_SU);
}
} else {
sys_msg_count = 0;
time_start(T_TOTAL);
ferr = BFILE_OPEN_((char *) "$RECEIVE", 8, &filenumr,
0, 0, 0,
1, 0); // sys msgs
TEST_CHK_FEOK(ferr);
for (inx = 0; !fin; inx++) {
if (trace)
trace_printf("srv: readupdate, inx=%d\n", inx);
cc = BREADUPDATEX(filenumr,
recv_buffer,
4,
&count_read,
0);
sys_msg = _xstatus_ne(cc);
if (trace && sys_msg)
trace_printf("srv: rcvd sys msg=%d\n",
sys_msgp->u_z_msg.z_msgnumber[0]);
if (sys_msg) {
sys_msg_count++;
inx--;
}
lerr2 = BFILE_GETINFO_(filenumr, &lerr);
TEST_CHK_FEIGNORE(lerr2);
if (trace)
trace_printf("srv: reply, inx=%d\n", inx);
cc = BREPLYX(recv_buffer,
(unsigned short) 0,
&count_written,
0,
XZFIL_ERR_OK);
TEST_CHK_CCEQ(cc);
if (sys_msg_count >= 4)
fin = true;
}
}
time_stop(T_TOTAL);
time_elapsed(T_TOTAL);
if (client) {
dsec = time_sec(T_TOTAL);
dms = dsec * 1000.0;
printf("elapsed=%f\n", dms);
printf("open/close/newprocess/processinfo/forkexec=%d\n", loop);
dsec = time_sec(T_OPEN);
dms = dsec * 1000.0;
printf("open : total-time=%f ms, time/loop=%f ms, ops/sec=%f\n",
dms, dms / dloop, dloop / dsec);
dsec = time_sec(T_CLOSE);
dms = dsec * 1000.0;
printf("close : total-time=%f ms, time/loop=%f ms, ops/sec=%f\n",
dms, dms / dloop, dloop / dsec);
dsec = time_sec(T_PROCINFO);
dms = dsec * 1000.0;
printf("procinfo : total-time=%f ms, time/loop=%f ms, ops/sec=%f\n",
dms, dms / dloop, dloop / dsec);
dsec = time_sec(T_PROCINFO_TYPE);
dms = dsec * 1000.0;
printf("procinfo-type : total-time=%f ms, time/loop=%f ms, ops/sec=%f\n",
dms, dms / dloop, dloop / dsec);
dsec = time_sec(T_NEWPROC);
dms = dsec * 1000.0;
printf("newproc : total-time=%f ms, time/loop=%f ms, ops/sec=%f\n",
dms, dms / dloop, dloop / dsec);
dsec = time_sec(T_FORKEXEC);
dms = dsec * 1000.0;
printf("forkexec : total-time=%f ms, time/loop=%f ms, ops/sec=%f\n",
dms, dms / dloop, dloop / dsec);
dsec = time_sec(T_FORKEXEC_SU);
dms = dsec * 1000.0;
printf("forkexec-startup: total-time=%f ms, time/loop=%f ms, ops/sec=%f\n",
dms, dms / dloop, dloop / dsec);
}
ferr = msg_mon_process_shutdown();
TEST_CHK_FEOK(ferr);
util_test_finish(client);
return 0;
}
/*
* Note: This routine is single threaded
* Protected by FIFOOPEN flag (i.e. flk_lock is not held)
* Upon successful completion, the original fifo is unlocked
* and FIFOOPEN is cleared for the original vpp.
* The new fifo returned has FIFOOPEN set.
*/
static int
fifo_connld(struct vnode **vpp, int flag, cred_t *crp)
{
struct vnode *vp1;
struct vnode *vp2;
struct fifonode *oldfnp;
struct fifonode *fn_dest;
int error;
struct file *filep;
struct fifolock *fn_lock;
cred_t *c;
/*
* Get two vnodes that will represent the pipe ends for the new pipe.
*/
makepipe(&vp1, &vp2);
/*
* Allocate a file descriptor and file pointer for one of the pipe
* ends. The file descriptor will be used to send that pipe end to
* the process on the other end of this stream. Note that we get
* the file structure only, there is no file list entry allocated.
*/
if (error = falloc(vp1, FWRITE|FREAD, &filep, NULL)) {
VN_RELE(vp1);
VN_RELE(vp2);
return (error);
}
mutex_exit(&filep->f_tlock);
oldfnp = VTOF(*vpp);
fn_lock = oldfnp->fn_lock;
fn_dest = oldfnp->fn_dest;
/*
* Create two new stream heads and attach them to the two vnodes for
* the new pipe.
*/
if ((error = fifo_stropen(&vp1, FREAD|FWRITE, filep->f_cred, 0, 0)) !=
0 ||
(error = fifo_stropen(&vp2, flag, filep->f_cred, 0, 0)) != 0) {
#if DEBUG
cmn_err(CE_NOTE, "fifo stropen failed error 0x%x", error);
#endif
/*
* this will call fifo_close and VN_RELE on vp1
*/
(void) closef(filep);
VN_RELE(vp2);
return (error);
}
/*
* twist the ends of the pipe together
*/
strmate(vp1, vp2);
/*
* Set our end to busy in open
* Note: Don't need lock around this because we're the only
* one who knows about it
*/
VTOF(vp2)->fn_flag |= FIFOOPEN;
mutex_enter(&fn_lock->flk_lock);
fn_dest->fn_flag |= FIFOSEND;
/*
* check to make sure neither end of pipe has gone away
*/
if (!(fn_dest->fn_flag & FIFOISOPEN)) {
error = ENXIO;
fn_dest->fn_flag &= ~FIFOSEND;
mutex_exit(&fn_lock->flk_lock);
/*
* this will call fifo_close and VN_RELE on vp1
*/
goto out;
}
mutex_exit(&fn_lock->flk_lock);
/*
* Tag the sender's credential on the pipe descriptor.
*/
crhold(VTOF(vp1)->fn_pcredp = crp);
VTOF(vp1)->fn_cpid = curproc->p_pid;
/*
* send the file descriptor to other end of pipe
*/
if (error = do_sendfp((*vpp)->v_stream, filep, crp)) {
mutex_enter(&fn_lock->flk_lock);
fn_dest->fn_flag &= ~FIFOSEND;
mutex_exit(&fn_lock->flk_lock);
/*
* this will call fifo_close and VN_RELE on vp1
*/
goto out;
}
mutex_enter(&fn_lock->flk_lock);
/*
* Wait for other end to receive file descriptor
* FIFOCLOSE indicates that one or both sides of the pipe
* have gone away.
*/
while ((fn_dest->fn_flag & (FIFOCLOSE | FIFOSEND)) == FIFOSEND) {
if (!cv_wait_sig(&oldfnp->fn_wait_cv, &fn_lock->flk_lock)) {
error = EINTR;
fn_dest->fn_flag &= ~FIFOSEND;
mutex_exit(&fn_lock->flk_lock);
goto out;
}
}
/*
* If either end of pipe has gone away and the other end did not
* receive pipe, reject the connld open
*/
if ((fn_dest->fn_flag & FIFOSEND)) {
error = ENXIO;
fn_dest->fn_flag &= ~FIFOSEND;
mutex_exit(&fn_lock->flk_lock);
goto out;
}
oldfnp->fn_flag &= ~FIFOOPEN;
cv_broadcast(&oldfnp->fn_wait_cv);
mutex_exit(&fn_lock->flk_lock);
VN_RELE(*vpp);
*vpp = vp2;
(void) closef(filep);
return (0);
out:
c = filep->f_cred;
crhold(c);
(void) closef(filep);
VTOF(vp2)->fn_flag &= ~FIFOOPEN;
(void) fifo_close(vp2, flag, 1, (offset_t)0, c, NULL);
crfree(c);
VN_RELE(vp2);
return (error);
}
int main(int argc, char ** argv){
unsigned int i ;
long start_time, end_time ;
double diff_time ;
struct timespec cpu_time ;
if(fifo_open(0) < 0){
printf("cannot open fifo !\n");
return -1 ;
}
fifo_reset(0);
unsigned int size = fifo_getSize(0) ;
unsigned int nb_avail = fifo_getNbAvailable(0);
unsigned int nb_free = fifo_getNbFree(0);
printf("fifo 0 of size %d contains %d tokens , %d free slots \n", size, nb_avail, nb_free);
while(1){
fifo_reset(0);
fifo_read(0, buffer, 4096);
printf("done \n");
}
//fifo_reset(0) ;
//return 0 ;
fifo_write(0, buffer, 640);
sleep(3);
//fifo_read(0, buffer, 1024);
size = fifo_getSize(0) ;
nb_avail = fifo_getNbAvailable(0);
nb_free = fifo_getNbFree(0);
printf("fifo 0 of size %d contains %d tokens , %d free slots \n", size, nb_avail, nb_free);
return 0 ;
clock_gettime(CLOCK_REALTIME, &cpu_time);
start_time = cpu_time.tv_nsec ;
fifo_write(0, buffer, 4096) ;
clock_gettime(CLOCK_REALTIME, &cpu_time);
end_time = cpu_time.tv_nsec ;
diff_time = end_time - start_time ;
diff_time = diff_time/1000000000.0 ;
printf("transffered %d bytes in %f s : %f B/s \n", 4096, diff_time, 4096/diff_time);
printf("read and write done \n");
//printf("fifo 1 is %d large and contains %d tokens \n", fifo_getSize(1), fifo_getNbAvailable(1));
/*while(1){
fifo_reset(1);
fifo_read(1, buffer, 32*6);
for(i = 0 ; i < 5 ; i ++){
unsigned int posx0, posy0, posx1, posy1;
posy0 = buffer[i*(6)];
posy0 += (buffer[(i*(6))+1] & 0x03 << 8);
posx0 = (buffer[(i*(6))+1] & 0xFC >> 2);
posx0 += (buffer[(i*(6))+2] & 0x03 << 8);
posy1 = (buffer[i*(6)+2] & 0xFC >> 2);
posy1 += (buffer[(i*(6))+3] & 0x03 << 8);
posx1 = (buffer[(i*(6))+3] & 0xFC >> 2);
posx1 += (buffer[(i*(6))+4] & 0x03 << 8);
printf("x[%d] = %d, y[%d] = %d \n", i, (posx0 + posx1)/2, i, (posy0 + posy1)/2);
}
sleep(1);
}*/ //blob_tracking test ...
fifo_close(0);
}
/*
* Stream a pipe/FIFO.
* The FIFOCONNLD flag is used when CONNLD has been pushed on the stream.
* If the flag is set, a new vnode is created by calling fifo_connld().
* Connld logic was moved to fifo_connld() to speed up the open
* operation, simplify the connld/fifo interaction, and remove inherent
* race conditions between the connld module and fifos.
* This routine is single threaded for two reasons.
* 1) connld requests are synchronous; that is, they must block
* until the server does an I_RECVFD (oh, well). Single threading is
* the simplest way to accomplish this.
* 2) fifo_close() must not send M_HANGUP or M_ERROR while we are
* in stropen. Stropen() has a tendency to reset things and
* we would like streams to remember that a hangup occurred.
*/
int
fifo_stropen(vnode_t **vpp, int flag, cred_t *crp, int dotwist, int lockheld)
{
int error = 0;
vnode_t *oldvp = *vpp;
fifonode_t *fnp = VTOF(*vpp);
dev_t pdev = 0;
int firstopen = 0;
fifolock_t *fn_lock;
fn_lock = fnp->fn_lock;
if (!lockheld)
mutex_enter(&fn_lock->flk_lock);
ASSERT(MUTEX_HELD(&fnp->fn_lock->flk_lock));
/*
* FIFO is in the process of opening. Wait for it
* to complete before starting another open on it
* This prevents races associated with connld open
*/
while (fnp->fn_flag & FIFOOPEN) {
if (!cv_wait_sig(&fnp->fn_wait_cv, &fn_lock->flk_lock)) {
fifo_cleanup(oldvp, flag);
if (!lockheld)
mutex_exit(&fn_lock->flk_lock);
return (EINTR);
}
}
/*
* The other end of the pipe is almost closed so
* reject any other open on this end of the pipe
* This only happens with a pipe mounted under namefs
*/
if ((fnp->fn_flag & (FIFOCLOSE|ISPIPE)) == (FIFOCLOSE|ISPIPE)) {
fifo_cleanup(oldvp, flag);
cv_broadcast(&fnp->fn_wait_cv);
if (!lockheld)
mutex_exit(&fn_lock->flk_lock);
return (ENXIO);
}
fnp->fn_flag |= FIFOOPEN;
/*
* can't allow close to happen while we are
* in the middle of stropen().
* M_HANGUP and M_ERROR could leave the stream in a strange state
*/
while (fn_lock->flk_ocsync)
cv_wait(&fn_lock->flk_wait_cv, &fn_lock->flk_lock);
fn_lock->flk_ocsync = 1;
if (fnp->fn_flag & FIFOCONNLD) {
/*
* This is a reopen, so we should release the fifo lock
* just in case some strange module pushed on connld
* has some odd side effect.
* Note: this stropen is on the oldvp. It will
* have no impact on the connld vp returned and
* strclose() will only be called when we release
* flk_ocsync
*/
mutex_exit(&fn_lock->flk_lock);
if ((error = stropen(oldvp, &pdev, flag, crp)) != 0) {
mutex_enter(&fn_lock->flk_lock);
fifo_cleanup(oldvp, flag);
fn_lock->flk_ocsync = 0;
cv_broadcast(&fn_lock->flk_wait_cv);
goto out;
}
/*
* streams open done, allow close on other end if
* required. Do this now.. it could
* be a very long time before fifo_connld returns.
*/
mutex_enter(&fn_lock->flk_lock);
/*
* we need to fake an open here so that if this
* end of the pipe closes, we don't loose the
* stream head (kind of like single threading
* open and close for this end of the pipe)
* We'll need to call fifo_close() to do clean
* up in case this end of the pipe was closed
* down while we were in fifo_connld()
*/
ASSERT(fnp->fn_open > 0);
fnp->fn_open++;
fn_lock->flk_ocsync = 0;
cv_broadcast(&fn_lock->flk_wait_cv);
mutex_exit(&fn_lock->flk_lock);
/*
* Connld has been pushed onto the pipe
* Create new pipe on behalf of connld
*/
if (error = fifo_connld(vpp, flag, crp)) {
(void) fifo_close(oldvp, flag, 1, 0, crp, NULL);
mutex_enter(&fn_lock->flk_lock);
goto out;
}
/*
* undo fake open. We need to call fifo_close
* because some other thread could have done
* a close and detach of the named pipe while
* we were in fifo_connld(), so
* we want to make sure the close completes (yuk)
*/
(void) fifo_close(oldvp, flag, 1, 0, crp, NULL);
/*
* fifo_connld has changed the vp, so we
* need to re-initialize locals
*/
fnp = VTOF(*vpp);
fn_lock = fnp->fn_lock;
mutex_enter(&fn_lock->flk_lock);
} else {
/*
* release lock in case there are modules pushed that
* could have some strange side effect
*/
mutex_exit(&fn_lock->flk_lock);
/*
* If this is the first open of a fifo (dotwist
* will be non-zero) we will need to twist the queues.
*/
if (oldvp->v_stream == NULL)
firstopen = 1;
/*
* normal open of pipe/fifo
*/
if ((error = stropen(oldvp, &pdev, flag, crp)) != 0) {
mutex_enter(&fn_lock->flk_lock);
fifo_cleanup(oldvp, flag);
ASSERT(fnp->fn_open != 0 || oldvp->v_stream == NULL);
fn_lock->flk_ocsync = 0;
cv_broadcast(&fn_lock->flk_wait_cv);
goto out;
}
mutex_enter(&fn_lock->flk_lock);
/*
* twist the ends of the fifo together
*/
if (dotwist && firstopen)
strmate(*vpp, *vpp);
/*
* Show that this open has succeeded
* and allow closes or other opens to proceed
*/
fnp->fn_open++;
fn_lock->flk_ocsync = 0;
cv_broadcast(&fn_lock->flk_wait_cv);
}
out:
fnp->fn_flag &= ~FIFOOPEN;
if (error == 0) {
fnp->fn_flag |= FIFOISOPEN;
/*
* If this is a FIFO and has the close flag set
* and there are now writers, clear the close flag
* Note: close flag only gets set when last writer
* on a FIFO goes away.
*/
if (((fnp->fn_flag & (ISPIPE|FIFOCLOSE)) == FIFOCLOSE) &&
fnp->fn_wcnt > 0)
fnp->fn_flag &= ~FIFOCLOSE;
}
cv_broadcast(&fnp->fn_wait_cv);
if (!lockheld)
mutex_exit(&fn_lock->flk_lock);
return (error);
}
int main(int argc, char *argv[])
{
int ret;
const char *url;
struct sound_file_info *file;
struct decode *dec;
struct fifo *fifo;
pthread_t tid;
struct load_thread_arg arg;
u8 *lrc;
u8 *icon;
size_t lrc_size;
size_t icon_size;
u8 mp3_buff[MP3_BUFF_SIZE];
u8 raw_buff[RAW_BUFF_SIZE];
int mp3_size, raw_size;
struct mp3_param mp3_pm;
struct audio_output *out;
struct window_info *win_info;
if (argc < 2) {
fprintf(stderr, "Usage: %s PATH\n", argv[0]);
return -EINVAL;
}
url = argv[1];
file = sound_file_open(url);
if (NULL == file) {
fprintf(stderr, "Fail to open sound file \"%s\"!\n", url);
return -ENODEV;
}
fifo = fifo_open();
if (NULL == fifo) {
goto L1;
ret = -ENOMEM;
}
ret = parse_mp3_tag(file, &lrc, &lrc_size, &icon, &icon_size);
if (ret < 0) {
DPRINT("\n");
goto L2;
}
DPRINT("mp3_start = %lu, mp3_end = %lu, "
"lrc = %p, lrc_size = %lu, icon = %p, icon_size = %lu\n",
file->mp3_data_start, file->mp3_data_end,
lrc, lrc_size, icon, icon_size);
arg.fifo = fifo;
arg.file = file;
ret = pthread_create(&tid, NULL, load_mp3_data_to_fifo, &arg);
if (ret < 0) {
DPRINT("\n");
goto L2;
}
dec = decode_open(MPAUDEC); // fixme!
if (NULL == dec) {
ret = -ENODEV;
goto L2;
}
while (fifo->used < fifo->size / 3) usleep(1000);
mp3_size = fifo_read(fifo, mp3_buff, sizeof(mp3_buff));
get_mp3_param(dec, mp3_buff, mp3_size, &mp3_pm);
win_info = window_init();
win_info->icon = icon;
win_info->icon_size = icon_size;
win_info->lrc = lrc;
win_info->lrc_size = lrc_size;
win_info->total.tv_sec = (file->mp3_data_end - file->mp3_data_start) * 8 / mp3_pm.bit_rate;
win_info->total.tv_usec = (file->mp3_data_end - file->mp3_data_start) * 8 * 1000000 / mp3_pm.bit_rate % 1000000;
win_info->param = &mp3_pm;
DPRINT("rate = %d, channels = %d, bps = %d, bitrate = %d\n",
mp3_pm.rate, mp3_pm.channels, mp3_pm.bits_per_sample, mp3_pm.bit_rate);
out = open_audio(AUDIO_ALSA, &mp3_pm);
if (NULL == out) {
ret = -ENODEV;
goto L3;
}
while (1) {
if (file->mp3_data_end == file->offset && mp3_size == 0)
break;
if (mp3_size > 0) {
ret = decode(dec, raw_buff, &raw_size, mp3_buff, mp3_size);
mp3_size -= ret;
memmove(mp3_buff, mp3_buff + ret, mp3_size);
}
play_frames(out, raw_buff, raw_size, &mp3_pm);
ret = fifo_read(fifo, mp3_buff + mp3_size, sizeof(mp3_buff) - mp3_size);
mp3_size += ret;
}
close_audio(out);
window_destroy();
L3:
decode_close(dec);
L2:
fifo_close(fifo);
L1:
sound_file_close(file);
return ret;
}
int main(int argc, char ** argv){
long start_time, end_time ;
double diff_time ;
struct timespec cpu_time ;
unsigned short vsync1, vsync2 ;
FILE * rgb_fd, * yuv_fd ;
int i,j, res, inc = 0;
unsigned int nbFrames = 1 ;
unsigned int pos = 0 ;
unsigned char * image_buffer, * start_buffer, * end_ptr; //yuv frame buffer
unsigned char * rgb_buffer ;
unsigned short fifo_state, fifo_data ;
float y, u, v ;
float r, g, b ;
if(argc > 1){
nbFrames = atoi(argv[1]);
}
if(fifo_open(1) < 0 || image_buffer == 0){
printf("Error opening fifo 0 \n");
return -1 ;
}
image_buffer = (unsigned char *) malloc(IMAGE_WIDTH*IMAGE_HEIGHT*3);
for(inc = 0 ; inc < nbFrames ; ){
sprintf(yuv_file_name, "./grabbed_frame%04d.jpg", inc);
yuv_fd = fopen(yuv_file_name, "w");
if(yuv_fd == NULL){
perror("Error opening output file");
exit(EXIT_FAILURE);
}
//fifo_reset(1);
clock_gettime(CLOCK_REALTIME, &cpu_time);
start_time = cpu_time.tv_nsec ;
fifo_reset(1);
fifo_read(1, image_buffer, IMAGE_WIDTH*IMAGE_HEIGHT*3);
clock_gettime(CLOCK_REALTIME, &cpu_time);
end_time = cpu_time.tv_nsec ;
diff_time = end_time - start_time ;
diff_time = diff_time/1000000000 ;
printf("transffered %d bytes in %f s : %f B/s \n", (IMAGE_WIDTH * IMAGE_HEIGHT*3), diff_time, (IMAGE_WIDTH * IMAGE_HEIGHT*3)/diff_time);
start_buffer = image_buffer ;
end_ptr = &image_buffer[IMAGE_WIDTH*IMAGE_HEIGHT*3];
vsync1 = *((unsigned short *) start_buffer) ;
vsync2 = *((unsigned short *) &start_buffer[(IMAGE_WIDTH*IMAGE_HEIGHT)+2]) ;
while(vsync1 != 0x55AA && vsync2 != 0x55AA && start_buffer < end_ptr){
start_buffer+=2 ;
vsync1 = *((unsigned short *) start_buffer) ;
vsync2 = *((unsigned short *) &start_buffer[(IMAGE_WIDTH*IMAGE_HEIGHT)+2]) ;
//printf("vsync2 : %x \n", vsync2);
}
if(vsync1 == 0x55AA && vsync2 == 0x55AA){
inc ++ ;
printf("frame found !\n");
}else{
//fclose(yuv_fd);
//continue ;
start_buffer = image_buffer ;
inc ++ ;
}
start_buffer += 2 ;
printf("frame captures \n");
write_jpegfile(start_buffer, IMAGE_WIDTH, IMAGE_HEIGHT, 1, yuv_fd, 100);
fclose(yuv_fd);
}
fifo_close(1);
return 0 ;
}