centralize sessiond config option handling

[lttng-tools.git] / src / bin / lttng-sessiond / sessiond-config.h

diff --git a/src/bin/lttng-sessiond/sessiond-config.h b/src/bin/lttng-sessiond/sessiond-config.h
new file mode 100644 (file)
index 0000000..86b360f
--- /dev/null
+++ b/src/bin/lttng-sessiond/sessiond-config.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef LTTNG_SESSIOND_CONFIG_H
+#define LTTNG_SESSIOND_CONFIG_H
+
+#include <common/macros.h>
+#include <stdbool.h>
+
+struct config_string {
+       char *value;
+       bool should_free;
+};
+
+/* Config string takes ownership of value. */
+LTTNG_HIDDEN
+void config_string_set(struct config_string *string, char *value);
+
+struct sessiond_config {
+       int verbose;
+       int verbose_consumer;
+       /* Agent TCP port for registration. Used by the agent thread. */
+       int agent_tcp_port;
+       /* Socket timeout for receiving and sending (in seconds). */
+       int app_socket_timeout;
+
+       bool quiet;
+       bool no_kernel;
+       bool background;
+       bool daemonize;
+       bool sig_parent;
+
+       struct config_string tracing_group_name;
+
+       struct config_string kmod_probes_list;
+       struct config_string kmod_extra_probes_list;
+
+       struct config_string rundir;
+
+       /* Global application Unix socket path */
+       struct config_string apps_unix_sock_path;
+       /* Global client Unix socket path */
+       struct config_string client_unix_sock_path;
+       /* Global wait shm path for UST */
+       struct config_string wait_shm_path;
+       /* Global health check unix path */
+       struct config_string health_unix_sock_path;
+       /*
+        * LTTNG_UST_CLOCK_PLUGIN environment variable to be passed to spawned
+        * consumer daemons.
+        */
+       struct config_string lttng_ust_clock_plugin;
+       struct config_string pid_file_path;
+       struct config_string lock_file_path;
+       struct config_string load_session_path;
+       struct config_string agent_port_file_path;
+
+       struct config_string consumerd32_path;
+       struct config_string consumerd32_bin_path;
+       struct config_string consumerd32_lib_dir;
+       struct config_string consumerd32_err_unix_sock_path;
+       struct config_string consumerd32_cmd_unix_sock_path;
+
+       struct config_string consumerd64_path;
+       struct config_string consumerd64_bin_path;
+       struct config_string consumerd64_lib_dir;
+       struct config_string consumerd64_err_unix_sock_path;
+       struct config_string consumerd64_cmd_unix_sock_path;
+
+       struct config_string kconsumerd_path;
+       struct config_string kconsumerd_err_unix_sock_path;
+       struct config_string kconsumerd_cmd_unix_sock_path;
+};
+
+/* Initialize the sessiond_config values to build-defaults. */
+LTTNG_HIDDEN
+int sessiond_config_init(struct sessiond_config *config);
+
+/* Override sessiond_config values with values specified by the environment. */
+LTTNG_HIDDEN
+int sessiond_config_apply_env_config(struct sessiond_config *config);
+
+LTTNG_HIDDEN
+void sessiond_config_fini(struct sessiond_config *config);
+
+LTTNG_HIDDEN
+int sessiond_config_resolve_paths(struct sessiond_config *config);
+
+LTTNG_HIDDEN
+void sessiond_config_log(struct sessiond_config *config);
+
+#endif /* LTTNG_SESSIOND_CONFIG_H */