#include "relay.h"
-char consumer_stack[10000];
-
-#define CPRINTF(fmt, args...) safe_printf(fmt "\n", ## args)
-
-int safe_printf(const char *fmt, ...)
-{
- static char buf[500];
- va_list ap;
- int n;
-
- va_start(ap, fmt);
-
- n = vsnprintf(buf, sizeof(buf), fmt, ap);
-
- write(STDOUT_FILENO, buf, n);
-
- va_end(ap);
-}
-
-struct consumer_channel {
- int fd;
- struct ltt_channel_struct *chan;
-};
-
-int consumer(void *arg)
-{
- int result;
- int fd;
- char str[] = "Hello, this is the consumer.\n";
- struct ltt_trace_struct *trace;
- struct consumer_channel *consumer_channels;
- int i;
- char trace_name[] = "auto";
-
- ltt_lock_traces();
- trace = _ltt_trace_find(trace_name);
- ltt_unlock_traces();
-
- if(trace == NULL) {
- CPRINTF("cannot find trace!");
- return 1;
- }
-
- consumer_channels = (struct consumer_channel *) malloc(trace->nr_channels * sizeof(struct consumer_channel));
-if(consumer_channels == NULL) {
- ERR("malloc returned NULL");
- return 1;
- }
-
- CPRINTF("opening trace files");
- for(i=0; i<trace->nr_channels; i++) {
- char tmp[100];
- struct ltt_channel_struct *chan = &trace->channels[i];
-
- consumer_channels[i].chan = chan;
-
- snprintf(tmp, sizeof(tmp), "trace/%s", chan->channel_name);
- result = consumer_channels[i].fd = open(tmp, O_WRONLY | O_CREAT | O_TRUNC, 00644);
- if(result == -1) {
- perror("open");
- return -1;
- }
- CPRINTF("\topened trace file %s", tmp);
-
- }
- CPRINTF("done opening trace files");
-
- for(;;) {
- /*wait*/
-
- for(i=0; i<trace->nr_channels; i++) {
- struct rchan *rchan = consumer_channels[i].chan->trans_channel_data;
- struct rchan_buf *rbuf = rchan->buf;
- struct ltt_channel_buf_struct *lttbuf = consumer_channels[i].chan->buf;
- long consumed_old;
-
- result = ltt_do_get_subbuf(rbuf, lttbuf, &consumed_old);
- if(result < 0) {
- CPRINTF("ltt_do_get_subbuf: error: %s", strerror(-result));
- }
- else {
- CPRINTF("success!");
-
- result = write(consumer_channels[i].fd, rbuf->buf_data + (consumed_old & (2 * 4096-1)), 4096);
- ltt_do_put_subbuf(rbuf, lttbuf, consumed_old);
- }
- }
-
- sleep(1);
- }
-
-// CPRINTF("consumer: got a trace: %s with %d channels\n", trace_name, trace->nr_channels);
-//
-// struct ltt_channel_struct *chan = &trace->channels[0];
-//
-// CPRINTF("channel 1 (%s) active=%u", chan->channel_name, chan->active & 1);
-
-// struct rchan *rchan = chan->trans_channel_data;
-// struct rchan_buf *rbuf = rchan->buf;
-// struct ltt_channel_buf_struct *lttbuf = chan->buf;
-// long consumed_old;
-//
-// result = fd = open("trace.out", O_WRONLY | O_CREAT | O_TRUNC, 00644);
-// if(result == -1) {
-// perror("open");
-// return -1;
-// }
-
-// for(;;) {
-// write(STDOUT_FILENO, str, sizeof(str));
-//
-// result = ltt_do_get_subbuf(rbuf, lttbuf, &consumed_old);
-// if(result < 0) {
-// CPRINTF("ltt_do_get_subbuf: error: %s", strerror(-result));
-// }
-// else {
-// CPRINTF("success!");
-//
-// result = write(fd, rbuf->buf_data + (consumed_old & (2 * 4096-1)), 4096);
-// ltt_do_put_subbuf(rbuf, lttbuf, consumed_old);
-// }
-//
-// //CPRINTF("There seems to be %ld bytes available", SUBBUF_TRUNC(local_read(<tbuf->offset), rbuf->chan) - consumed_old);
-// CPRINTF("Commit count %ld", local_read(<tbuf->commit_count[0]));
-//
-//
-// sleep(1);
-// }
-}
-
-void start_consumer(void)
-{
- int result;
-
- result = clone(consumer, consumer_stack+sizeof(consumer_stack)-1, CLONE_FS | CLONE_FILES | CLONE_VM | CLONE_SIGHAND | CLONE_THREAD, NULL);
- if(result == -1) {
- perror("clone");
- }
-}
void probe(const struct marker *mdata,
void *probe_private, void *call_private,
init_int_handler();
- start_consumer();
printf("Hello, World!\n");
sleep(1);