--- libaitrpc/inc/aitrpc.h 2012/05/17 09:32:51 1.8.2.18 +++ libaitrpc/inc/aitrpc.h 2012/05/18 15:24:33 1.8.2.24 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitrpc.h,v 1.8.2.18 2012/05/17 09:32:51 misho Exp $ +* $Id: aitrpc.h,v 1.8.2.24 2012/05/18 15:24:33 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -94,22 +94,14 @@ typedef enum { } cmd_type_t; -#define RPC_CALLBACK_CHECK_INPUT(_f) do { \ - assert((_f)); \ - if (!(_f)) { \ +#define RPC_CALLBACK_CHECK_INPUT(x) do { \ + assert((x)); \ + if (!(x)) { \ rpc_SetErr(EINVAL, \ "Invalid callback parameters ..."); \ return -1; \ } \ } while (0) -#define RPC_CALLBACK_CHK_ARGS(_f, _n) do { \ - RPC_CALLBACK_CHECK_INPUT((_f)); \ - if ((_f) && io_arraySize((_f)->func_vars) < _n) { \ - rpc_SetErr(EINVAL, \ - "Not enough number of arguments!"); \ - return -1; \ - } \ - } while (0) /* RPC session identification */ @@ -146,6 +138,7 @@ struct tagRPCCall { uint16_t call_argc; ait_val_t call_argv[0]; } __packed; /* size == 24 bytes */ +#define RPC_CHK_NOREPLY(x) ((x)->call_req.flags & RPC_NOREPLY) /* Network BLOB packet - Header */ @@ -165,12 +158,9 @@ struct tagBLOBHdr { typedef struct tagRPCFunc { ait_val_t func_name; - array_t *func_vars; - void *func_parent; TAILQ_ENTRY(tagRPCFunc) func_node; } rpc_func_t; -#define RPC_FUNC_RETVARS(x) ((x)->func_vars) #define RPC_FUNC_SERVER(x) ((rpc_srv_t*) (x)->func_parent) @@ -191,8 +181,13 @@ typedef struct { io_sockaddr_t cli_sa; /* host address */ ait_val_t cli_buf; /* network buffer */ + array_t *cli_vars; /* function return variables */ + void *cli_parent; /* pointer to parent rpc_srv_t for server or to rpc_sess_t for client */ } rpc_cli_t; +#define RPC_RETVARS(x) ((x)->cli_vars) +#define RPC_SRV_SERVER(x) ((rpc_srv_t*) (x)->cli_parent) +#define RPC_CLI_SESSION(x) ((rpc_sess_t*) (x)->cli_parent) typedef struct { rpc_sess_t srv_session; /* RPC session registration info */ @@ -225,15 +220,15 @@ typedef struct { /* * (*rpc_callback_t)() - Callback type definition for RPC call in server process * - * @arg1 = current execution RPC call function + * @arg1 = RPC client * @arg2 = RPC packet header * @arg3 = input array with values from RPC call execution request * return: -1 error or >-1 success execution */ -typedef int (*rpc_callback_t)(rpc_func_t *, struct tagRPCCall *, array_t *); +typedef int (*rpc_callback_t)(rpc_cli_t *, struct tagRPCCall *, array_t *); -// ----------------------------------------------------------------------- +/* ----------------------------------------------------------------------- */ /* Error support functions */ @@ -290,7 +285,7 @@ int rpc_register_blobServices(rpc_srv_t * __restrict s * @regProgID = ProgramID for authentication & recognition * @regProcID = ProcessID for authentication & recognition * @concurentClients = Concurent clients at same time to this server - * @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet) + * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) * @csHost = Host name or address for bind server, if NULL any address * @Port = Port for bind server, if Port == 0 default port is selected * return: NULL == error or !=NULL bind and created RPC server instance @@ -304,7 +299,7 @@ rpc_srv_t *rpc_srv_initServer(unsigned int regProgID, * @psrv = RPC Server instance * return: none */ -void rpc_srv_endServer(rpc_srv_t ** __restrict psrv); +inline void rpc_srv_endServer(rpc_srv_t ** __restrict psrv); /* * rpc_srv_loopServer() - Execute Main server loop and wait for clients requests * @@ -330,14 +325,14 @@ int rpc_srv_loopServer(rpc_srv_t * __restrict srv); * @diskDir = Disk place for BLOB file objects * return: -1 == error or 0 bind and created BLOB server instance */ -int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir); +int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, unsigned short Port, const char *diskDir); /* * rpc_srv_endBLOBServer() - Destroy BLOB server, close all opened sockets and free resources * * @srv = RPC Server instance * return: none */ -void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv); +inline void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv); /* * rpc_srv_loopBLOB() - Execute Main BLOB server loop and wait for clients requests * @@ -360,11 +355,9 @@ int rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv) * @srv = RPC Server instance * @tag = Function tag * @funcaddr = Function address - * @args = Number of return function arguments * return: -1 error, 0 already registered tag or 1 register ok */ -int rpc_srv_registerCall(rpc_srv_t * __restrict srv, unsigned short tag, - void *funcaddr, unsigned short args); +int rpc_srv_registerCall(rpc_srv_t * __restrict srv, unsigned short tag, void *funcaddr); /* * rpc_srv_unregisterCall() - Unregister call from RPC server * @@ -382,15 +375,16 @@ int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, */ inline rpc_func_t *rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t tag); /* - * rpc_srv_execCall() - Execute registered call from RPC server + * rpc_srv_execCall() Execute registered call from RPC server * - * @call = Register RPC call + * @cli = RPC client * @rpc = IN RPC call structure + * @funcname = Execute RPC function * @args = IN RPC calling arguments from RPC client * return: -1 error, !=-1 ok */ -int rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc, - array_t * __restrict args); +int rpc_srv_execCall(rpc_cli_t * __restrict cli, struct tagRPCCall * __restrict rpc, + ait_val_t funcname, array_t * __restrict args); /* @@ -514,7 +508,7 @@ inline int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, * * @ProgID = ProgramID for RPC session request * @ProcID = ProcessID for RPC session request - * @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet) + * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) * @csHost = Host name or IP address for bind server * @Port = Port for bind server, if Port == 0 default port is selected * return: NULL == error or !=NULL connection to RPC server established @@ -534,12 +528,19 @@ void rpc_cli_closeClient(rpc_cli_t ** __restrict cli); * @cli = RPC Client session * @noreply = We not want RPC reply * @tag = Function tag for execution - * @in_vars = IN RPC call array of rpc values - * @out_vars = OUT returned array of rpc values, must be free after use with rpc_cli_freeVals() + * @in_vars = IN RPC call array of rpc values, may be NULL + * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with io_freeVars() * return: -1 error or != -1 ok result */ -int rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, +int rpc_cli_execCall(rpc_cli_t *cli, int noreply, unsigned short tag, array_t * __restrict in_vars, array_t ** __restrict out_vars); +/* + * rpc_cli_ping() - Ping RPC server + * + * @cli = connected client + * return: -1 error or !=-1 ping seq id + */ +inline int rpc_cli_ping(rpc_cli_t *cli); /* @@ -549,7 +550,7 @@ int rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_sh * @Port = Port for bind server, if Port == 0 default port is selected * return: NULL == error or !=NULL connection to BLOB server established */ -rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port); +rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, unsigned short Port); /* * rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources *