X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-consumer.c;h=01d71ce01e34f9a58f13feca4ec6f520e9664bf7;hp=3bb54f03983178f035fdcb345f8e1d7670557847;hb=40bbd087934edf0be7c21165786aad3fabb7e7b5;hpb=c8fea79c745d42ea8143b7020ae11b4fc2da0d8a diff --git a/src/bin/lttng-sessiond/ust-consumer.c b/src/bin/lttng-sessiond/ust-consumer.c index 3bb54f039..01d71ce01 100644 --- a/src/bin/lttng-sessiond/ust-consumer.c +++ b/src/bin/lttng-sessiond/ust-consumer.c @@ -32,6 +32,7 @@ #include "ust-consumer.h" #include "buffer-registry.h" #include "session.h" +#include "lttng-sessiond.h" /* * Return allocated full pathname of the session using the consumer trace path @@ -52,8 +53,11 @@ static char *setup_trace_path(struct consumer_output *consumer, health_code_update(); - /* Allocate our self the string to make sure we never exceed PATH_MAX. */ - pathname = zmalloc(PATH_MAX); + /* + * Allocate the string ourself to make sure we never exceed + * LTTNG_PATH_MAX. + */ + pathname = zmalloc(LTTNG_PATH_MAX); if (!pathname) { goto error; } @@ -61,8 +65,10 @@ static char *setup_trace_path(struct consumer_output *consumer, /* Get correct path name destination */ if (consumer->type == CONSUMER_DST_LOCAL) { /* Set application path to the destination path */ - ret = snprintf(pathname, PATH_MAX, "%s%s%s", - consumer->dst.trace_path, consumer->subdir, ua_sess->path); + ret = snprintf(pathname, LTTNG_PATH_MAX, "%s%s%s%s", + consumer->dst.session_root_path, + consumer->chunk_path, + consumer->subdir, ua_sess->path); if (ret < 0) { PERROR("snprintf channel path"); goto error; @@ -78,7 +84,10 @@ static char *setup_trace_path(struct consumer_output *consumer, } } } else { - ret = snprintf(pathname, PATH_MAX, "%s%s", consumer->subdir, + ret = snprintf(pathname, LTTNG_PATH_MAX, "%s%s%s%s", + consumer->dst.net.base_dir, + consumer->chunk_path, + consumer->subdir, ua_sess->path); if (ret < 0) { PERROR("snprintf channel path"); @@ -94,7 +103,7 @@ error: } /* - * Send a single channel to the consumer using command ADD_CHANNEL. + * Send a single channel to the consumer using command ASK_CHANNEL_CREATION. * * Consumer socket lock MUST be acquired before calling this. */ @@ -174,6 +183,7 @@ static int ask_channel_creation(struct ust_app_session *ua_sess, ua_chan->attr.switch_timer_interval, ua_chan->attr.read_timer_interval, ua_sess->live_timer_interval, + ua_chan->monitor_timer_interval, output, (int) ua_chan->attr.type, ua_sess->tracing_id, @@ -190,6 +200,7 @@ static int ask_channel_creation(struct ust_app_session *ua_sess, ua_sess->id, ua_sess->output_traces, ua_sess->uid, + ua_chan->attr.blocking_timeout, root_shm_path, shm_path); health_code_update(); @@ -223,6 +234,8 @@ error: /* * Ask consumer to create a channel for a given session. * + * Session list and rcu read side locks must be held by the caller. + * * Returns 0 on success else a negative value. */ int ust_consumer_ask_channel(struct ust_app_session *ua_sess, @@ -247,6 +260,7 @@ int ust_consumer_ask_channel(struct ust_app_session *ua_sess, ret = ask_channel_creation(ua_sess, ua_chan, consumer, socket, registry); pthread_mutex_unlock(socket->lock); if (ret < 0) { + ERR("ask_channel_creation consumer command failed"); goto error; } @@ -311,7 +325,6 @@ int ust_consumer_get_channel(struct consumer_socket *socket, free(stream); if (ret == -LTTNG_UST_ERR_NOENT) { DBG3("UST app consumer has no more stream available"); - ret = 0; break; } if (ret != -EPIPE) { @@ -496,7 +509,9 @@ int ust_consumer_metadata_request(struct consumer_socket *socket) memset(&msg, 0, sizeof(msg)); msg.cmd_type = LTTNG_ERR_UND; + pthread_mutex_lock(socket->lock); (void) consumer_send_msg(socket, &msg); + pthread_mutex_unlock(socket->lock); /* * This is possible since the session might have been destroyed * during a consumer metadata request. So here, return gracefully