diff options
Diffstat (limited to 'src/core/ext/filters/client_channel/lb_policy.h')
| -rw-r--r-- | src/core/ext/filters/client_channel/lb_policy.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/core/ext/filters/client_channel/lb_policy.h b/src/core/ext/filters/client_channel/lb_policy.h index 25427666ae..fefcb4912c 100644 --- a/src/core/ext/filters/client_channel/lb_policy.h +++ b/src/core/ext/filters/client_channel/lb_policy.h @@ -43,9 +43,6 @@ typedef struct grpc_lb_policy grpc_lb_policy; typedef struct grpc_lb_policy_vtable grpc_lb_policy_vtable; -typedef void (*grpc_lb_completion)(void *cb_arg, grpc_subchannel *subchannel, - grpc_status_code status, const char *errmsg); - struct grpc_lb_policy { const grpc_lb_policy_vtable *vtable; gpr_atm ref_pair; @@ -76,7 +73,8 @@ struct grpc_lb_policy_vtable { /** \see grpc_lb_policy_pick */ int (*pick_locked)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, const grpc_lb_policy_pick_args *pick_args, - grpc_connected_subchannel **target, void **user_data, + grpc_connected_subchannel **target, + grpc_call_context_element *context, void **user_data, grpc_closure *on_complete); /** \see grpc_lb_policy_cancel_pick */ @@ -156,6 +154,8 @@ void grpc_lb_policy_init(grpc_lb_policy *policy, \a target will be set to the selected subchannel, or NULL on failure. Upon success, \a user_data will be set to whatever opaque information may need to be propagated from the LB policy, or NULL if not needed. + \a context will be populated with context to pass to the subchannel + call, if needed. If the pick succeeds and a result is known immediately, a non-zero value will be returned. Otherwise, \a on_complete will be invoked @@ -167,6 +167,7 @@ void grpc_lb_policy_init(grpc_lb_policy *policy, int grpc_lb_policy_pick_locked(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, const grpc_lb_policy_pick_args *pick_args, grpc_connected_subchannel **target, + grpc_call_context_element *context, void **user_data, grpc_closure *on_complete); /** Perform a connected subchannel ping (see \a grpc_connected_subchannel_ping) |