X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=inline;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=cb4dd25e94f73159d7e9bb1e6f1660060450b30f;hb=f5e5283c278f5e742f8844e7acee778fb0d8991b;hp=170dcc587aacef935a1dc7222d54a8a2129292a7;hpb=7bb1478af7d1567a6842d0fc73c46315b65bbaf7;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c index 170dcc587..cb4dd25e9 100644 --- a/src/bin/lttng-sessiond/main.c +++ b/src/bin/lttng-sessiond/main.c @@ -316,7 +316,7 @@ error: static void teardown_kernel_session(struct ltt_session *session) { if (!session->kernel_session) { - DBG3("No kernel session when tearingdown session"); + DBG3("No kernel session when tearing down session"); return; } @@ -342,7 +342,7 @@ static void teardown_ust_session(struct ltt_session *session) int ret; if (!session->ust_session) { - DBG3("No UST session when tearingdown session"); + DBG3("No UST session when tearing down session"); return; } @@ -399,7 +399,7 @@ static void cleanup(void) } free(cmd); - DBG("Cleaning up all session"); + DBG("Cleaning up all sessions"); /* Destroy session list mutex */ if (session_list_ptr != NULL) { @@ -794,12 +794,18 @@ static void update_ust_app(int app_sock) { struct ltt_session *sess, *stmp; + session_lock_list(); + /* For all tracing session(s) */ cds_list_for_each_entry_safe(sess, stmp, &session_list_ptr->head, list) { + session_lock(sess); if (sess->ust_session) { ust_app_global_update(sess->ust_session, app_sock); } + session_unlock(sess); } + + session_unlock_list(); } /* @@ -2094,8 +2100,17 @@ static int list_lttng_ust_global_events(char *channel_name, case LTTNG_UST_FUNCTION: tmp[i].type = LTTNG_EVENT_FUNCTION; break; - case LTTNG_UST_TRACEPOINT_LOGLEVEL: - tmp[i].type = LTTNG_EVENT_TRACEPOINT_LOGLEVEL; + } + tmp[i].loglevel = uevent->attr.loglevel; + switch (uevent->attr.loglevel_type) { + case LTTNG_UST_LOGLEVEL_ALL: + tmp[i].loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; + break; + case LTTNG_UST_LOGLEVEL_RANGE: + tmp[i].loglevel_type = LTTNG_EVENT_LOGLEVEL_RANGE; + break; + case LTTNG_UST_LOGLEVEL_SINGLE: + tmp[i].loglevel_type = LTTNG_EVENT_LOGLEVEL_SINGLE; break; } i++; @@ -2482,12 +2497,6 @@ error: /* * Command LTTNG_ENABLE_EVENT processed by the client thread. - * - * TODO: currently, both events and loglevels are kept within the same - * namespace for UST global registry/app registery, so if an event - * happen to have the same name as the loglevel (very unlikely though), - * and an attempt is made to enable/disable both in the same session, - * the first to be created will be the only one allowed to exist. */ static int cmd_enable_event(struct ltt_session *session, int domain, char *channel_name, struct lttng_event *event) @@ -3364,7 +3373,6 @@ static int process_client_msg(struct command_ctx *cmd_ctx) ret = cmd_disable_event(cmd_ctx->session, cmd_ctx->lsm->domain.type, cmd_ctx->lsm->u.disable.channel_name, cmd_ctx->lsm->u.disable.name); - ret = LTTCOMM_OK; break; } case LTTNG_DISABLE_ALL_EVENT: @@ -3536,11 +3544,7 @@ static int process_client_msg(struct command_ctx *cmd_ctx) session_lock_list(); nr_sessions = lttng_sessions_count(cmd_ctx->creds.uid, cmd_ctx->creds.gid); - if (nr_sessions == 0) { - ret = LTTCOMM_NO_SESSION; - session_unlock_list(); - goto error; - } + ret = setup_lttng_msg(cmd_ctx, sizeof(struct lttng_session) * nr_sessions); if (ret < 0) { session_unlock_list(); @@ -3968,24 +3972,19 @@ end: */ static int check_existing_daemon(void) { - if (access(client_unix_sock_path, F_OK) < 0 && - access(apps_unix_sock_path, F_OK) < 0) { - return 0; - } - /* Is there anybody out there ? */ if (lttng_session_daemon_alive()) { return -EEXIST; - } else { - return 0; } + + return 0; } /* * Set the tracing group gid onto the client socket. * * Race window between mkdir and chown is OK because we are going from more - * permissive (root.root) to les permissive (root.tracing). + * permissive (root.root) to less permissive (root.tracing). */ static int set_permissions(char *rundir) { @@ -4006,6 +4005,13 @@ static int set_permissions(char *rundir) perror("chown"); } + /* Ensure tracing group can search the run dir */ + ret = chmod(rundir, S_IRWXU | S_IXGRP); + if (ret < 0) { + ERR("Unable to set permissions on %s", rundir); + perror("chmod"); + } + /* lttng client socket path */ ret = chown(client_unix_sock_path, 0, gid); if (ret < 0) { @@ -4065,7 +4071,7 @@ static int create_lttng_rundir(const char *rundir) DBG3("Creating LTTng run directory: %s", rundir); - ret = mkdir(rundir, S_IRWXU | S_IRWXG ); + ret = mkdir(rundir, S_IRWXU); if (ret < 0) { if (errno != EEXIST) { ERR("Unable to create %s", rundir); @@ -4107,7 +4113,7 @@ static int set_consumer_sockets(struct consumer_data *consumer_data, DBG2("Creating consumer directory: %s", path); - ret = mkdir(path, S_IRWXU | S_IRWXG); + ret = mkdir(path, S_IRWXU); if (ret < 0) { if (errno != EEXIST) { ERR("Failed to create %s", path);