+ }
+ else if(!strcmp(recvbuf, "trace_stop")) {
+ DBG("trace stop");
+
+ result = ltt_trace_stop(trace_name);
+ if(result < 0) {
+ ERR("ltt_trace_stop failed");
+ return;
+ }
+ }
+ else if(!strcmp(recvbuf, "trace_destroy")) {
+
+ DBG("trace destroy");
+
+ result = ltt_trace_destroy(trace_name);
+ if(result < 0) {
+ ERR("ltt_trace_destroy failed");
+ return;
+ }
+ }
+ else if(nth_token_is(recvbuf, "get_shmid", 0) == 1) {
+ struct ltt_trace_struct *trace;
+ char trace_name[] = "auto";
+ int i;
+ char *channel_name;
+
+ DBG("get_shmid");
+
+ channel_name = nth_token(recvbuf, 1);
+ if(channel_name == NULL) {
+ ERR("get_shmid: cannot parse channel");
+ goto next_cmd;
+ }
+
+ ltt_lock_traces();
+ trace = _ltt_trace_find(trace_name);
+ ltt_unlock_traces();
+
+ if(trace == NULL) {
+ CPRINTF("cannot find trace!");
+ return 1;
+ }
+
+ for(i=0; i<trace->nr_channels; i++) {
+ struct rchan *rchan = trace->channels[i].trans_channel_data;
+ struct rchan_buf *rbuf = rchan->buf;
+ struct ltt_channel_struct *ltt_channel = (struct ltt_channel_struct *)rchan->private_data;
+ struct ltt_channel_buf_struct *ltt_buf = ltt_channel->buf;
+
+ if(!strcmp(trace->channels[i].channel_name, channel_name)) {
+ char *reply;
+
+ DBG("the shmid for the requested channel is %d", rbuf->shmid);
+ DBG("the shmid for its buffer structure is %d", ltt_channel->buf_shmid);
+ asprintf(&reply, "%d %d", rbuf->shmid, ltt_channel->buf_shmid);
+
+ result = ustcomm_send_reply(&ustcomm_app.server, reply, &src);
+ if(result) {
+ ERR("listener: get_shmid: ustcomm_send_reply failed");
+ goto next_cmd;
+ }
+
+ free(reply);
+
+ break;
+ }
+ }
+ }
+ else if(nth_token_is(recvbuf, "get_n_subbufs", 0) == 1) {
+ struct ltt_trace_struct *trace;
+ char trace_name[] = "auto";
+ int i;
+ char *channel_name;
+
+ DBG("get_n_subbufs");
+
+ channel_name = nth_token(recvbuf, 1);
+ if(channel_name == NULL) {
+ ERR("get_n_subbufs: cannot parse channel");
+ goto next_cmd;
+ }
+
+ ltt_lock_traces();
+ trace = _ltt_trace_find(trace_name);
+ ltt_unlock_traces();
+
+ if(trace == NULL) {
+ CPRINTF("cannot find trace!");
+ return 1;
+ }
+
+ for(i=0; i<trace->nr_channels; i++) {
+ struct rchan *rchan = trace->channels[i].trans_channel_data;
+
+ if(!strcmp(trace->channels[i].channel_name, channel_name)) {
+ char *reply;
+
+ DBG("the n_subbufs for the requested channel is %d", rchan->n_subbufs);
+ asprintf(&reply, "%d", rchan->n_subbufs);
+
+ result = ustcomm_send_reply(&ustcomm_app.server, reply, &src);
+ if(result) {
+ ERR("listener: get_n_subbufs: ustcomm_send_reply failed");
+ goto next_cmd;
+ }
+
+ free(reply);
+
+ break;
+ }
+ }
+ }
+ else if(nth_token_is(recvbuf, "get_subbuf_size", 0) == 1) {
+ struct ltt_trace_struct *trace;
+ char trace_name[] = "auto";
+ int i;
+ char *channel_name;
+
+ DBG("get_subbuf_size");
+
+ channel_name = nth_token(recvbuf, 1);
+ if(channel_name == NULL) {
+ ERR("get_subbuf_size: cannot parse channel");
+ goto next_cmd;
+ }
+
+ ltt_lock_traces();
+ trace = _ltt_trace_find(trace_name);
+ ltt_unlock_traces();
+
+ if(trace == NULL) {
+ CPRINTF("cannot find trace!");
+ return 1;
+ }
+
+ for(i=0; i<trace->nr_channels; i++) {
+ struct rchan *rchan = trace->channels[i].trans_channel_data;
+
+ if(!strcmp(trace->channels[i].channel_name, channel_name)) {
+ char *reply;