diff options
Diffstat (limited to 'src/core/lib/transport/connectivity_state.h')
| -rw-r--r-- | src/core/lib/transport/connectivity_state.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/core/lib/transport/connectivity_state.h b/src/core/lib/transport/connectivity_state.h index 769c675b79..c9604c34dd 100644 --- a/src/core/lib/transport/connectivity_state.h +++ b/src/core/lib/transport/connectivity_state.h @@ -47,8 +47,8 @@ typedef struct grpc_connectivity_state_watcher { } grpc_connectivity_state_watcher; typedef struct { - /** current connectivity state */ - grpc_connectivity_state current_state; + /** current grpc_connectivity_state */ + gpr_atm current_state_atm; /** error associated with state */ grpc_error *current_error; /** all our watchers */ @@ -59,6 +59,7 @@ typedef struct { extern int grpc_connectivity_state_trace; +/** enum --> string conversion */ const char *grpc_connectivity_state_name(grpc_connectivity_state state); void grpc_connectivity_state_init(grpc_connectivity_state_tracker *tracker, @@ -68,22 +69,31 @@ void grpc_connectivity_state_destroy(grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker); /** Set connectivity state; not thread safe; access must be serialized with an - * external lock */ + * external lock */ void grpc_connectivity_state_set(grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker, grpc_connectivity_state state, grpc_error *associated_error, const char *reason); +/** Return true if this connectivity state has watchers. + Access must be serialized with an external lock. */ bool grpc_connectivity_state_has_watchers( grpc_connectivity_state_tracker *tracker); +/** Return the last seen connectivity state. No need to synchronize access. */ grpc_connectivity_state grpc_connectivity_state_check( - grpc_connectivity_state_tracker *tracker, grpc_error **current_error); + grpc_connectivity_state_tracker *tracker); + +/** Return the last seen connectivity state, and the associated error. + Access must be serialized with an external lock. */ +grpc_connectivity_state grpc_connectivity_state_get( + grpc_connectivity_state_tracker *tracker, grpc_error **error); /** Return 1 if the channel should start connecting, 0 otherwise. If current==NULL cancel notify if it is already queued (success==0 in that - case) */ + case). + Access must be serialized with an external lock. */ bool grpc_connectivity_state_notify_on_state_change( grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker, grpc_connectivity_state *current, grpc_closure *notify); |