static void*
callback(enum mg_event event,
struct mg_connection *conn,
const struct mg_request_info *request_info) {
if (event == MG_NEW_REQUEST) {
std::string request_uri = request_info->uri;
if (request_uri == "/face/suggest/") {
return handle_suggest(event, conn, request_info);
}
else if (request_uri == "/face/import/") {
return handle_import(event, conn, request_info);
}
else if (request_uri == "/face/export/") {
return handle_export(event, conn, request_info);
}
else if (request_uri == "/face/stats/") {
return handle_stats(event, conn, request_info);
}
else {
return handle_invalid_request(event, conn, request_info);
}
}
else {
return NULL;
}
}
int main()
{
SDL_Init(SDL_INIT_VIDEO);
resize_screen(640, 480);
SDL_WM_SetCaption("Mandelbrot", "mandelbrot");
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
uint32_t stat_ticks = SDL_GetTicks();
uint64_t stat_pixels = 0;
uint32_t palette[MAX_ITER];
for (int i = 0; i < MAX_ITER; i++)
palette[i] = i ? color(i / (float)MAX_ITER) : 0;
while (1) {
handle_events();
uint32_t *fbp = (uint32_t *)screen->pixels;
int w = screen->w;
int h = screen->h;
float dx = 1.0f / (float)w;
float dy = 1.0f / (float)h;
for (int j = 0; j < (h * w - NUM); j += NUM) {
complex float c[NUM];
for (int k = 0; k < NUM; k++)
c[k] = (zoom * (dx * (float)((j+k)%w) - 0.5f) + xoff)
+ I * (zoom * (dy * (float)((j+k)/w) - 0.5f) + yoff);
int t[NUM];
calc(t, c);
for (int k = 0; k < NUM; k++)
fbp[j + k] = palette[t[k]];
}
#if 0
for (int j = 0; j < h; j++)
for (int i = 0; i < MAX_ITER; i++)
fbp[j * w + i] = palette[i];
#endif
stat_pixels += w*h;
uint32_t cur_ticks = SDL_GetTicks();
if ((cur_ticks - stat_ticks) > 1000) {
handle_stats(0.001 * (double)(cur_ticks - stat_ticks), stat_pixels, w*h);
stat_pixels = 0;
stat_ticks = cur_ticks;
}
SDL_Flip(screen);
}
return 0;
}
/*!
* Dispatch an asynchronous request by invoking the respective callback. If no
* matching command is found, return an error.
*
* \param[in] req Request
* \param[in,out] res Result
* \param[in,out] drv_state Driver state
* \param[in,out] trd_state Thread state
*/
extern void
dispatch(gd_req_t *req, gd_res_t *res, void *drv_state, void *trd_state) {
gdt_drv_t *drv = drv_state;
gdt_trd_t *trd = trd_state;
/* Dispatch the request */
switch (req->cmd) {
case GDE_CMD_SUM:
handle_sum(req, res, drv, trd);
break;
case GDE_CMD_PING:
handle_ping(req, res, drv, trd);
break;
case GDE_CMD_STATS:
handle_stats(req, res, drv, trd);
break;
default:
error_set(res, GDE_ERR_COMMAND);
}
}
void serve_request(client_t *client) {
parsed_url_t url;
parse_URL(client->url, url);
std::string &request_uri = url.path;
DCERR("request_uri: " << request_uri << endl);
if (request_uri == "/face/suggest/") {
handle_suggest(client, url);
}
else if (request_uri == "/face/import/") {
handle_import(client, url);
}
else if (request_uri == "/face/export/") {
handle_export(client, url);
}
else if (request_uri == "/face/stats/") {
handle_stats(client, url);
}
else {
handle_invalid_request(client, url);
}
}
/* Worker to consume Fluent Bit statistics */
void *worker_stats_reader(void *data)
{
int i;
int fd;
int ret;
int evl;
int n_events = 8;
int n_fds;
struct epoll_event *events = NULL;
while (1) {
/* Connect to the Fluent Bit server */
fd = fluentbit_connect(FLB_SOCK);
if (fd == -1) {
/* If it fails, always try to reconnect */
goto again;
}
/* Create the epoll(7) instance */
evl = epoll_create(64);
if (evl == -1) {
perror("epoll_create");
goto again;
}
/* Register the socket into the event loop */
ret = create_event(evl, fd, MK_EPOLL_READ, MK_EPOLL_LEVEL_TRIGGERED);
if (ret == -1) {
goto again;
}
/* Allocate an array to get the events reported */
events = monkey->mem_alloc(sizeof(struct epoll_event) * n_events);
if (!events) {
goto again;
}
/*
* A while() inside a while() is very dirty, once we move to Duda API 2
* we will use the right interfaces.
*/
while (1) {
n_fds = epoll_wait(evl, events, n_events, -1);
for (i = 0; i < n_fds; i++) {
/* If we have some data available (READ) */
if (events[i].events & EPOLLIN) {
if (handle_stats(events[i].data.fd) == -1) {
goto again;
}
}
else {
/* Anything different than EPOLLIN is an error, just break */
goto again;
}
}
}
again:
/*
* Release resources and always delay, don't burn the CPU if
* there are exceptions.
*/
if (fd) {
close(fd);
}
if (evl > 0) {
close(evl);
}
if (events) {
monkey->mem_free(events);
}
sleep(1);
}
}
/*
* This is called once the connection has been negotiated. It is used
* for rsyncd, remote-shell, and local connections.
*/
int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[])
{
struct file_list *flist = NULL;
int status = 0, status2 = 0;
char *local_name = NULL;
cleanup_child_pid = pid;
if (!read_batch) {
set_nonblocking(f_in);
set_nonblocking(f_out);
}
io_set_sock_fds(f_in, f_out);
setup_protocol(f_out,f_in);
if (protocol_version >= 23 && !read_batch)
io_start_multiplex_in();
/* We set our stderr file handle to blocking because ssh might have
* set it to non-blocking. This can be particularly troublesome if
* stderr is a clone of stdout, because ssh would have set our stdout
* to non-blocking at the same time (which can easily cause us to lose
* output from our print statements). This kluge shouldn't cause ssh
* any problems for how we use it. Note also that we delayed setting
* this until after the above protocol setup so that we know for sure
* that ssh is done twiddling its file descriptors. */
set_blocking(STDERR_FILENO);
if (am_sender) {
keep_dirlinks = 0; /* Must be disabled on the sender. */
io_start_buffering_out();
if (!filesfrom_host)
set_msg_fd_in(f_in);
send_filter_list(f_out);
if (filesfrom_host)
filesfrom_fd = f_in;
if (write_batch && !am_server)
start_write_batch(f_out);
flist = send_file_list(f_out, argc, argv);
set_msg_fd_in(-1);
if (verbose > 3)
rprintf(FINFO,"file list sent\n");
the_file_list = flist;
io_flush(NORMAL_FLUSH);
send_files(flist,f_out,f_in);
io_flush(FULL_FLUSH);
handle_stats(-1);
if (protocol_version >= 24)
read_final_goodbye(f_in, f_out);
if (pid != -1) {
if (verbose > 3)
rprintf(FINFO,"client_run waiting on %d\n", (int) pid);
io_flush(FULL_FLUSH);
wait_process(pid, &status);
}
output_summary();
io_flush(FULL_FLUSH);
exit_cleanup(status);
}
if (need_messages_from_generator && !read_batch)
io_start_multiplex_out();
if (argc == 0)
list_only |= 1;
send_filter_list(read_batch ? -1 : f_out);
if (filesfrom_fd >= 0) {
io_set_filesfrom_fds(filesfrom_fd, f_out);
filesfrom_fd = -1;
}
if (write_batch && !am_server)
start_write_batch(f_in);
flist = recv_file_list(f_in);
the_file_list = flist;
if (flist && flist->count > 0) {
local_name = get_local_name(flist, argv[0]);
status2 = do_recv(f_in, f_out, flist, local_name);
} else {
handle_stats(-1);
output_summary();
}
if (pid != -1) {
if (verbose > 3)
rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid);
io_flush(FULL_FLUSH);
wait_process(pid, &status);
}
return MAX(status, status2);
}
static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
{
int pid;
int status = 0;
int error_pipe[2];
/* The receiving side mustn't obey this, or an existing symlink that
* points to an identical file won't be replaced by the referent. */
copy_links = 0;
if (preserve_hard_links)
init_hard_links();
if (fd_pair(error_pipe) < 0) {
rsyserr(FERROR, errno, "pipe failed in do_recv");
exit_cleanup(RERR_IPC);
}
io_flush(NORMAL_FLUSH);
if ((pid = do_fork()) == -1) {
rsyserr(FERROR, errno, "fork failed in do_recv");
exit_cleanup(RERR_IPC);
}
if (pid == 0) {
close(error_pipe[0]);
if (f_in != f_out)
close(f_out);
/* we can't let two processes write to the socket at one time */
close_multiplexing_out();
/* set place to send errors */
set_msg_fd_out(error_pipe[1]);
recv_files(f_in, flist, local_name);
io_flush(FULL_FLUSH);
handle_stats(f_in);
send_msg(MSG_DONE, "", 0);
io_flush(FULL_FLUSH);
/* Handle any keep-alive packets from the post-processing work
* that the generator does. */
if (protocol_version >= 29) {
kluge_around_eof = -1;
/* This should only get stopped via a USR2 signal. */
while (read_int(f_in) == flist->count
&& read_shortint(f_in) == ITEM_IS_NEW) {}
rprintf(FERROR, "Invalid packet at end of run [%s]\n",
who_am_i());
exit_cleanup(RERR_PROTOCOL);
}
/* Finally, we go to sleep until our parent kills us with a
* USR2 signal. We sleep for a short time, as on some OSes
* a signal won't interrupt a sleep! */
while (1)
msleep(20);
}
am_generator = 1;
close_multiplexing_in();
if (write_batch && !am_server)
stop_write_batch();
close(error_pipe[1]);
if (f_in != f_out)
close(f_in);
io_start_buffering_out();
set_msg_fd_in(error_pipe[0]);
generate_files(f_out, flist, local_name);
handle_stats(-1);
io_flush(FULL_FLUSH);
if (protocol_version >= 24) {
/* send a final goodbye message */
write_int(f_out, -1);
}
io_flush(FULL_FLUSH);
set_msg_fd_in(-1);
kill(pid, SIGUSR2);
wait_process(pid, &status);
return status;
}
static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
{
int i;
struct file_list *flist;
char *dir = argv[0];
if (verbose > 2) {
rprintf(FINFO, "server_sender starting pid=%ld\n",
(long)getpid());
}
if (am_daemon && lp_write_only(module_id)) {
rprintf(FERROR, "ERROR: module is write only\n");
exit_cleanup(RERR_SYNTAX);
return;
}
if (am_daemon && lp_read_only(module_id) && remove_sent_files) {
rprintf(FERROR,
"ERROR: --remove-sent-files cannot be used with a read-only module\n");
exit_cleanup(RERR_SYNTAX);
return;
}
if (!relative_paths && !push_dir(dir)) {
rsyserr(FERROR, errno, "push_dir#3 %s failed",
full_fname(dir));
exit_cleanup(RERR_FILESELECT);
}
argc--;
argv++;
if (strcmp(dir,".")) {
int l = strlen(dir);
if (strcmp(dir,"/") == 0)
l = 0;
for (i = 0; i < argc; i++)
argv[i] += l+1;
}
if (argc == 0 && (recurse || list_only)) {
argc = 1;
argv--;
argv[0] = ".";
}
flist = send_file_list(f_out,argc,argv);
if (!flist || flist->count == 0) {
exit_cleanup(0);
}
the_file_list = flist;
io_start_buffering_in();
io_start_buffering_out();
send_files(flist,f_out,f_in);
io_flush(FULL_FLUSH);
handle_stats(f_out);
if (protocol_version >= 24)
read_final_goodbye(f_in, f_out);
io_flush(FULL_FLUSH);
exit_cleanup(0);
}
int main_0062_stats_event (int argc, char **argv) {
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
test_timing_t t_delivery;
rd_kafka_queue_t *eventq;
const int iterations = 5;
int i;
test_conf_init(NULL, NULL, 10);
/* Set up a global config object */
conf = rd_kafka_conf_new();
rd_kafka_conf_set(conf,"statistics.interval.ms", "100", NULL, 0);
rd_kafka_conf_set_events(conf, RD_KAFKA_EVENT_STATS);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
eventq = rd_kafka_queue_get_main(rk);
/* Wait for stats event */
for (i = 0 ; i < iterations ; i++) {
TIMING_START(&t_delivery, "STATS_EVENT");
stats_count = 0;
while (stats_count == 0) {
rd_kafka_event_t *rkev;
rkev = rd_kafka_queue_poll(eventq, 100);
switch (rd_kafka_event_type(rkev))
{
case RD_KAFKA_EVENT_STATS:
TEST_SAY("%s event\n", rd_kafka_event_name(rkev));
handle_stats(rkev);
break;
case RD_KAFKA_EVENT_NONE:
break;
default:
TEST_SAY("Ignore event: %s\n",
rd_kafka_event_name(rkev));
break;
}
rd_kafka_event_destroy(rkev);
}
TIMING_STOP(&t_delivery);
if (!strcmp(test_mode, "bare")) {
/* valgrind is too slow to make this meaningful. */
if (TIMING_DURATION(&t_delivery) < 1000 * 100 * 0.8 ||
TIMING_DURATION(&t_delivery) > 1000 * 100 * 1.2)
TEST_FAIL("Stats duration %.3fms is >= 20%% "
"outside statistics.interval.ms 100",
(float)TIMING_DURATION(&t_delivery)/
1000.0f);
}
}
rd_kafka_queue_destroy(eventq);
rd_kafka_destroy(rk);
return 0;
}