X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fagent.h;h=ea5662754aef05fdecafe576b0abb97c2b9783eb;hp=6564b88c84f6e260d1f875074d6bb313fa4b73aa;hb=a2b988e2cc31f76365b600ca4e3a26604de00022;hpb=9474416fd76b18db4642bc60b15451b87d74e5d5 diff --git a/src/bin/lttng-sessiond/agent.h b/src/bin/lttng-sessiond/agent.h index 6564b88c8..ea5662754 100644 --- a/src/bin/lttng-sessiond/agent.h +++ b/src/bin/lttng-sessiond/agent.h @@ -1,5 +1,6 @@ /* * Copyright (C) 2013 - David Goulet + * Copyright (C) 2016 - Jérémie Galarneau * * 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 @@ -18,25 +19,26 @@ #ifndef LTTNG_SESSIOND_AGENT_H #define LTTNG_SESSIOND_AGENT_H -#define _GNU_SOURCE #include #include #include /* Agent protocol version that is verified during the agent registration. */ -#define AGENT_MAJOR_VERSION 1 +#define AGENT_MAJOR_VERSION 2 #define AGENT_MINOR_VERSION 0 /* * Hash table that contains the agent app created upon registration indexed by - * socket. + * socket. Global to the session daemon. */ -struct lttng_ht *agent_apps_ht_by_sock; +extern struct lttng_ht *agent_apps_ht_by_sock; struct agent_ht_key { const char *name; - int loglevel; + int loglevel_value; + enum lttng_loglevel_type loglevel_type; + char *filter_expression; }; /* @@ -58,7 +60,7 @@ struct agent_register_msg { */ struct agent_app { /* - * PID sent during registration of a AGENT application. + * PID sent during registration of an agent application. */ pid_t pid; @@ -80,7 +82,7 @@ struct agent_app { struct agent_event { /* Name of the event. */ char name[LTTNG_SYMBOL_NAME_LEN]; - int loglevel; + int loglevel_value; enum lttng_loglevel_type loglevel_type; /* @@ -91,8 +93,10 @@ struct agent_event { /* Hash table node of the agent domain object. */ struct lttng_ht_node_str node; - /* Bytecode filter associated with the event . NULL if none. */ + /* Filter associated with the event. NULL if none. */ struct lttng_filter_bytecode *filter; + char *filter_expression; + struct lttng_event_exclusion *exclusion; }; /* @@ -113,12 +117,17 @@ struct agent { /* Contains event indexed by name. */ struct lttng_ht *events; + /* Application context list (struct agent_app_ctx). */ + struct cds_list_head app_ctx_list; + /* Node used for the hash table indexed by domain type. */ struct lttng_ht_node_u64 node; }; -/* Setup agent subsystem. */ -int agent_setup(void); +/* Allocate agent apps hash table */ +int agent_app_ht_alloc(void); +/* Clean-up agent apps hash table */ +void agent_app_ht_clean(void); /* Initialize an already allocated agent domain. */ int agent_init(struct agent *agt); @@ -128,16 +137,27 @@ void agent_add(struct agent *agt, struct lttng_ht *ht); /* Agent event API. */ struct agent_event *agent_create_event(const char *name, - struct lttng_filter_bytecode *filter); + enum lttng_loglevel_type loglevel_type, int loglevel_value, + struct lttng_filter_bytecode *filter, + char *filter_expression); void agent_add_event(struct agent_event *event, struct agent *agt); -struct agent_event *agent_find_event(const char *name, int loglevel, - struct agent *agt); -struct agent_event *agent_find_event_by_name(const char *name, - struct agent *agt); +struct agent_event *agent_find_event(const char *name, + enum lttng_loglevel_type loglevel_type, int loglevel_value, + char *filter_expression, struct agent *agt); +void agent_find_events_by_name(const char *name, struct agent *agt, + struct lttng_ht_iter* iter); +void agent_event_next_duplicate(const char *name, + struct agent *agt, struct lttng_ht_iter* iter); void agent_delete_event(struct agent_event *event, struct agent *agt); void agent_destroy_event(struct agent_event *event); +/* Agent context API.*/ +int agent_enable_context(const struct lttng_event_context *ctx, + enum lttng_domain_type domain); +int agent_add_context(const struct lttng_event_context *ctx, + struct agent *agt); + /* Agent app API. */ struct agent_app *agent_create_app(pid_t pid, enum lttng_domain_type domain, struct lttcomm_sock *sock); @@ -145,6 +165,7 @@ void agent_add_app(struct agent_app *app); void agent_delete_app(struct agent_app *app); struct agent_app *agent_find_app_by_sock(int sock); void agent_destroy_app(struct agent_app *app); +void agent_destroy_app_by_sock(int sock); int agent_send_registration_done(struct agent_app *app); /* Agent action API */