X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fagent.h;h=7faae117ee141cbcb8e99bfa76484fc46d957ed4;hp=f8d9ca6ea5b35eabac13c6182e0a3c6a5bca2966;hb=7c1d2758d663ac5f119eae6849e50b56546a0c48;hpb=f60140a188c6c0cd1acf948c37e338e96a74be8d diff --git a/src/bin/lttng-sessiond/agent.h b/src/bin/lttng-sessiond/agent.h index f8d9ca6ea..7faae117e 100644 --- a/src/bin/lttng-sessiond/agent.h +++ b/src/bin/lttng-sessiond/agent.h @@ -24,11 +24,15 @@ #include #include +/* Agent protocol version that is verified during the agent registration. */ +#define AGENT_MAJOR_VERSION 1 +#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; @@ -43,6 +47,8 @@ struct agent_register_msg { /* This maps to a lttng_domain_type. */ uint32_t domain; uint32_t pid; + uint32_t major_version; + uint32_t minor_version; }; /* @@ -111,8 +117,10 @@ struct agent { 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); @@ -139,6 +147,7 @@ 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 */