#include "tracer.h"
#include "usterr.h"
#include "ustcomm.h"
-#include "buffers.h" /* FIXME: remove */
+#include "buffers.h"
#include "marker-control.h"
//#define USE_CLONE
struct ustcomm_server server;
struct ustcomm_source src;
- /* args to ust_buffers_do_get_subbuf */
+ /* args to ust_buffers_get_subbuf */
struct ust_buffer *buf;
struct list_head list;
static void inform_consumer_daemon(const char *trace_name)
{
int i,j;
- struct ltt_trace_struct *trace;
+ struct ust_trace *trace;
pid_t pid = getpid();
int result;
continue;
}
- result = ust_buffers_do_get_subbuf(bc->buf, &consumed_old);
+ result = ust_buffers_get_subbuf(bc->buf, &consumed_old);
if(result == -EAGAIN) {
WARN("missed buffer?");
continue;
}
else if(result < 0) {
- DBG("ust_buffers_do_get_subbuf: error: %s", strerror(-result));
+ DBG("ust_buffers_get_subbuf: error: %s", strerror(-result));
}
asprintf(&reply, "%s %ld", "OK", consumed_old);
result = ustcomm_send_reply(&bc->server, reply, &bc->src);
static int do_cmd_get_shmid(const char *recvbuf, struct ustcomm_source *src)
{
int retval = 0;
- struct ltt_trace_struct *trace;
+ struct ust_trace *trace;
char trace_name[] = "auto";
int i;
char *channel_and_cpu;
channel_and_cpu = nth_token(recvbuf, 1);
if(channel_and_cpu == NULL) {
- ERR("get_shmid: cannot parse channel");
+ ERR("cannot parse channel");
goto end;
}
seperate_channel_cpu(channel_and_cpu, &ch_name, &ch_cpu);
if(ch_cpu == -1) {
- ERR("Problem parsing channel name");
+ ERR("problem parsing channel name");
goto free_short_chan_name;
}
result = ustcomm_send_reply(&ustcomm_app.server, reply, src);
if(result) {
- ERR("listener: get_shmid: ustcomm_send_reply failed");
+ ERR("ustcomm_send_reply failed");
free(reply);
retval = -1;
goto free_short_chan_name;
buffers_to_export--;
}
else {
- ERR("get_shmid: channel not found (%s)", channel_and_cpu);
+ ERR("channel not found (%s)", channel_and_cpu);
}
free_short_chan_name:
static int do_cmd_get_n_subbufs(const char *recvbuf, struct ustcomm_source *src)
{
int retval = 0;
- struct ltt_trace_struct *trace;
+ struct ust_trace *trace;
char trace_name[] = "auto";
int i;
char *channel_and_cpu;
channel_and_cpu = nth_token(recvbuf, 1);
if(channel_and_cpu == NULL) {
- ERR("get_n_subbufs: cannot parse channel");
+ ERR("cannot parse channel");
goto end;
}
seperate_channel_cpu(channel_and_cpu, &ch_name, &ch_cpu);
if(ch_cpu == -1) {
- ERR("Problem parsing channel name");
+ ERR("problem parsing channel name");
goto free_short_chan_name;
}
result = ustcomm_send_reply(&ustcomm_app.server, reply, src);
if(result) {
- ERR("listener: get_n_subbufs: ustcomm_send_reply failed");
+ ERR("ustcomm_send_reply failed");
free(reply);
retval = -1;
goto free_short_chan_name;
}
}
if(found == 0) {
- ERR("get_n_subbufs: unable to find channel");
+ ERR("unable to find channel");
}
free_short_chan_name:
static int do_cmd_get_subbuf_size(const char *recvbuf, struct ustcomm_source *src)
{
int retval = 0;
- struct ltt_trace_struct *trace;
+ struct ust_trace *trace;
char trace_name[] = "auto";
int i;
char *channel_and_cpu;
channel_and_cpu = nth_token(recvbuf, 1);
if(channel_and_cpu == NULL) {
- ERR("get_subbuf_size: cannot parse channel");
+ ERR("cannot parse channel");
goto end;
}
seperate_channel_cpu(channel_and_cpu, &ch_name, &ch_cpu);
if(ch_cpu == -1) {
- ERR("Problem parsing channel name");
+ ERR("problem parsing channel name");
goto free_short_chan_name;
}
result = ustcomm_send_reply(&ustcomm_app.server, reply, src);
if(result) {
- ERR("listener: get_subbuf_size: ustcomm_send_reply failed");
+ ERR("ustcomm_send_reply failed");
free(reply);
retval = -1;
goto free_short_chan_name;
}
}
if(found == 0) {
- ERR("get_subbuf_size: unable to find channel");
+ ERR("unable to find channel");
}
free_short_chan_name:
static int do_cmd_get_subbuffer(const char *recvbuf, struct ustcomm_source *src)
{
int retval = 0;
- struct ltt_trace_struct *trace;
+ struct ust_trace *trace;
char trace_name[] = "auto";
int i;
char *channel_and_cpu;
channel_and_cpu = nth_token(recvbuf, 1);
if(channel_and_cpu == NULL) {
- ERR("get_subbuf: cannot parse channel");
+ ERR("cannot parse channel");
goto end;
}
seperate_channel_cpu(channel_and_cpu, &ch_name, &ch_cpu);
if(ch_cpu == -1) {
- ERR("Problem parsing channel name");
+ ERR("problem parsing channel name");
goto free_short_chan_name;
}
ltt_unlock_traces();
if(trace == NULL) {
- ERR("cannot find trace!");
- retval = -1;
+ char *reply;
+ int result;
+
+ WARN("Cannot find trace. It was likely destroyed by the user.");
+ asprintf(&reply, "%s", "NOTFOUND");
+ result = ustcomm_send_reply(&ustcomm_app.server, reply, src);
+ if(result) {
+ ERR("ustcomm_send_reply failed");
+ free(reply);
+ retval = -1;
+ goto free_short_chan_name;
+ }
+
+ free(reply);
goto free_short_chan_name;
}
}
}
if(found == 0) {
- ERR("get_subbuf: unable to find channel");
+ ERR("unable to find channel");
}
free_short_chan_name:
static int do_cmd_put_subbuffer(const char *recvbuf, struct ustcomm_source *src)
{
int retval = 0;
- struct ltt_trace_struct *trace;
+ struct ust_trace *trace;
char trace_name[] = "auto";
int i;
char *channel_and_cpu;
long consumed_old;
char *consumed_old_str;
char *endptr;
+ char *reply = NULL;
DBG("put_subbuf");
channel_and_cpu = strdup_malloc(nth_token(recvbuf, 1));
if(channel_and_cpu == NULL) {
- ERR("put_subbuf_size: cannot parse channel");
+ ERR("cannot parse channel");
retval = -1;
goto end;
}
consumed_old_str = strdup_malloc(nth_token(recvbuf, 2));
if(consumed_old_str == NULL) {
- ERR("put_subbuf: cannot parse consumed_old");
+ ERR("cannot parse consumed_old");
retval = -1;
goto free_channel_and_cpu;
}
consumed_old = strtol(consumed_old_str, &endptr, 10);
if(*endptr != '\0') {
- ERR("put_subbuf: invalid value for consumed_old");
+ ERR("invalid value for consumed_old");
retval = -1;
goto free_consumed_old_str;
}
seperate_channel_cpu(channel_and_cpu, &ch_name, &ch_cpu);
if(ch_cpu == -1) {
- ERR("Problem parsing channel name");
+ ERR("problem parsing channel name");
retval = -1;
goto free_short_chan_name;
}
ltt_unlock_traces();
if(trace == NULL) {
- ERR("cannot find trace!");
- retval = -1;
+ WARN("Cannot find trace. It was likely destroyed by the user.");
+ asprintf(&reply, "%s", "NOTFOUND");
+ result = ustcomm_send_reply(&ustcomm_app.server, reply, src);
+ if(result) {
+ ERR("ustcomm_send_reply failed");
+ free(reply);
+ retval = -1;
+ goto free_short_chan_name;
+ }
+
+ free(reply);
goto free_short_chan_name;
}
if(!strcmp(trace->channels[i].channel_name, ch_name)) {
struct ust_buffer *buf = channel->buf[ch_cpu];
- char *reply;
- long consumed_old=0;
found = 1;
- result = ust_buffers_do_put_subbuf(buf, consumed_old);
+ result = ust_buffers_put_subbuf(buf, consumed_old);
if(result < 0) {
- WARN("ust_buffers_do_put_subbuf: error (subbuf=%s)", channel_and_cpu);
+ WARN("ust_buffers_put_subbuf: error (subbuf=%s)", channel_and_cpu);
asprintf(&reply, "%s", "ERROR");
}
else {
- DBG("ust_buffers_do_put_subbuf: success (subbuf=%s)", channel_and_cpu);
+ DBG("ust_buffers_put_subbuf: success (subbuf=%s)", channel_and_cpu);
asprintf(&reply, "%s", "OK");
}
result = ustcomm_send_reply(&ustcomm_app.server, reply, src);
if(result) {
- ERR("listener: put_subbuf: ustcomm_send_reply failed");
+ ERR("ustcomm_send_reply failed");
free(reply);
retval = -1;
goto free_channel_and_cpu;
}
}
if(found == 0) {
- ERR("get_subbuf_size: unable to find channel");
+ ERR("unable to find channel");
}
- free_channel_and_cpu:
- free(channel_and_cpu);
- free_consumed_old_str:
- free(consumed_old_str);
free_short_chan_name:
free(ch_name);
+ free_consumed_old_str:
+ free(consumed_old_str);
+ free_channel_and_cpu:
+ free(channel_and_cpu);
end:
return retval;
free(reply);
}
// else if(nth_token_is(recvbuf, "get_notifications", 0) == 1) {
-// struct ltt_trace_struct *trace;
+// struct ust_trace *trace;
// char trace_name[] = "auto";
// int i;
// char *channel_name;
pidunique = make_pidunique();
/* Initialize RCU in case the constructor order is not good. */
- urcu_init();
+ rcu_init();
/* It is important to do this before events start to be generated. */
ust_register_thread();
/* Ensure marker control is initialized */
init_marker_control();
- /* Ensure relay is initialized */
- init_ustrelay_transport();
-
/* Ensure markers are initialized */
init_markers();
+ /* Ensure buffers are initialized, for the transport to be available.
+ * We are about to set a trace type and it will fail without this.
+ */
+ init_ustrelay_transport();
+
/* FIXME: When starting early tracing (here), depending on the
* order of constructors, it is very well possible some marker
* sections are not yet registered. Because of this, some
static int trace_recording(void)
{
int retval = 0;
- struct ltt_trace_struct *trace;
+ struct ust_trace *trace;
ltt_lock_traces();
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