X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlibmemory%2Fapi.h;h=662805373ba8292062b76abc9bfff8be84aab1ea;hb=f5db3711b;hp=e86b88cdf9e14db5e701d8ef83811015c1ed2e17;hpb=af0ff5af0cd471033169e63c6111d23cd801928c;p=vpp.git diff --git a/src/vlibmemory/api.h b/src/vlibmemory/api.h index e86b88cdf9e..662805373ba 100644 --- a/src/vlibmemory/api.h +++ b/src/vlibmemory/api.h @@ -26,6 +26,7 @@ #include void vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length); +void vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length); u16 vl_client_get_first_plugin_msg_id (const char *plugin_name); void vl_api_send_pending_rpc_requests (vlib_main_t * vm); u8 *vl_api_serialize_message_table (api_main_t * am, u8 * vector); @@ -52,13 +53,73 @@ vl_api_can_send_msg (vl_api_registration_t * rp) return vl_mem_api_can_send (rp->vl_input_queue); } +/* + * Suggests to an API handler to relinguish control. Currently limits + * an handler to a maximum of 1ms or it earlier if the client queue is + * full. + * + * May be enhanced in the future based on other performance + * characteristics of the main thread. + */ +#define VL_API_MAX_TIME_IN_HANDLER 0.001 /* 1 ms */ +always_inline int +vl_api_process_may_suspend (vlib_main_t * vm, vl_api_registration_t * rp, + f64 start) +{ + /* Is client queue full (leave space for reply message) */ + if (rp->registration_type <= REGISTRATION_TYPE_SHMEM && + rp->vl_input_queue->cursize + 1 >= rp->vl_input_queue->maxsize) + return true; + if (vlib_time_now (vm) > start + VL_API_MAX_TIME_IN_HANDLER) + return true; + return false; +} + always_inline vl_api_registration_t * vl_api_client_index_to_registration (u32 index) { - if (PREDICT_FALSE (socket_main.current_rp != 0)) - return socket_main.current_rp; + if (vl_socket_api_registration_handle_is_valid (ntohl (index))) + return vl_socket_api_client_handle_to_registration (ntohl (index)); + return vl_mem_api_client_index_to_registration (index); +} + +always_inline u32 +vl_api_registration_file_index (vl_api_registration_t * reg) +{ + return reg->clib_file_index; +} + +always_inline clib_file_t * +vl_api_registration_file (vl_api_registration_t * reg) +{ + return clib_file_get (&file_main, vl_api_registration_file_index (reg)); +} - return (vl_mem_api_client_index_to_registration (index)); +always_inline void +vl_api_registration_del_file (vl_api_registration_t * reg) +{ + clib_file_t *cf = vl_api_registration_file (reg); + if (cf) + clib_file_del (&file_main, cf); +} + +always_inline clib_error_t * +vl_api_send_fd_msg (vl_api_registration_t * reg, int fds[], int n_fds) +{ + clib_file_t *cf = vl_api_registration_file (reg); + if (cf) + return vl_sock_api_send_fd_msg (cf->file_descriptor, fds, n_fds); + return 0; +} + +always_inline clib_error_t * +vl_api_recv_fd_msg (vl_api_registration_t * reg, int fds[], int n_fds, + u32 wait) +{ + clib_file_t *cf = vl_api_registration_file (reg); + if (cf) + return vl_sock_api_recv_fd_msg (cf->file_descriptor, fds, n_fds, wait); + return 0; } /*