--- libaitrpc/inc/aitrpc.h 2015/01/15 20:27:49 1.25.2.1 +++ libaitrpc/inc/aitrpc.h 2015/07/02 17:52:52 1.27.2.2 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitrpc.h,v 1.25.2.1 2015/01/15 20:27:49 misho Exp $ +* $Id: aitrpc.h,v 1.27.2.2 2015/07/02 17:52:52 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004 - 2014 +Copyright 2004 - 2015 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -48,67 +48,22 @@ SUCH DAMAGE. #include -#include -#include -#include -#include -#include -#if !defined(__NetBSD__) -#include -#endif -#include +//#include +//#include +//#include +//#include +//#include +//#if !defined(__NetBSD__) +//#include +//#endif +//#include +#include #include -#include +#include +#include #include -#define RPC_VERSION 7 -#define RPC_DEFPORT 2611 - -/* Additional ELWIX RPC supporting protocols */ -#ifndef SOCK_STREAM -#define SOCK_STREAM 1 /* stream socket */ -#endif -#ifndef SOCK_DGRAM -#define SOCK_DGRAM 2 /* datagram socket */ -#endif -#ifndef SOCK_RAW -#define SOCK_RAW 3 /* raw-protocol interface */ -#endif -#define SOCK_BPF 4 /* ethernet interface */ -#define SOCK_PIPE 5 /* bi-directional pipe interface */ - -/* RPC call request flags */ - -#define RPC_REPLY 0x0 -#define RPC_NOREPLY 0x1 - -/* RPC builtin registed calls */ - -#define CALL_TAG_MAX 65535 - -#define CALL_SRVPING 65534 - -#define CALL_SRVSHUTDOWN 65533 -#define CALL_SRVCLIENTS 65532 -#define CALL_SRVCALLS 65531 -#define CALL_SRVSESSIONS 65530 - -#define CALL_BLOBSHUTDOWN 65529 -#define CALL_BLOBCLIENTS 65528 -#define CALL_BLOBVARS 65527 - -/* RPC signals */ -#define SIGFBLOB 54 - -/* RPC types */ - -typedef enum { - ok, error, no, /* for blob reply */ - get, set, unset /* for blob request */ -} blob_cmd_type_t; - - #define RPC_CALLBACK_CHECK_INPUT(x) do { \ assert((x)); \ if (!(x)) { \ @@ -119,60 +74,8 @@ typedef enum { } while (0) -/* RPC session identification */ +/* Network RPC server elements */ -typedef struct { -#if BYTE_ORDER == LITTLE_ENDIAN - uint16_t sess_instance:8; - uint16_t sess_version:8; -#endif -#if BYTE_ORDER == BIG_ENDIAN - uint16_t sess_version:8; - uint16_t sess_instance:8; -#endif -} __packed rpc_sess_t; /* size == 2 bytes */ - - -/* Server managment RPC functions ... */ - -/* Network RPC packet - Client request */ - -struct tagRPCCall { - rpc_sess_t call_session; - - uint32_t call_len; - uint16_t call_crc; - - union { - struct { - uint64_t flags; - } call_req; - struct { - int32_t ret; - int32_t eno; - } call_rep; - }; - - uint16_t call_tag; - uint16_t call_argc; - ait_val_t call_argv[0]; -} __packed; /* size == 20 bytes */ -#define RPC_CHK_NOREPLY(x) (ntohl((u_long) (x)->call_req.flags) & RPC_NOREPLY) -#define RPC_SET_ERRNO(x, _v) ((x)->call_rep.eno = htonl((_v))) - -/* Network BLOB packet - Header */ - -struct tagBLOBHdr { - rpc_sess_t hdr_session; - uint8_t hdr_cmd; - uint32_t hdr_var; - uint32_t hdr_len; - uint32_t hdr_ret; - uint8_t hdr_pad; -} __packed; /* size == 16 bytes */ - -/* Network RPC client & server elements */ - /* RPC function registration element! */ typedef struct tagRPCFunc { ait_val_t func_name; @@ -208,20 +111,6 @@ typedef struct tagBLOB { typedef struct { - int cli_id; /* slot id */ - int cli_sock; /* socket fd */ - 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 */ int srv_netbuf; /* size of network buffer */ int srv_proto; /* Server protocol */ @@ -267,61 +156,7 @@ typedef int (*rpc_callback_t)(rpc_cli_t *, struct tagR /* ----------------------------------------------------------------------- */ -/* Error support functions */ - -// rpc_GetErrno() Get error code of last operation -int rpc_GetErrno(); -// rpc_GetError() Get error text of last operation -const char *rpc_GetError(); -// rpc_SetErr() Set error to variables for internal use!!! -void rpc_SetErr(int eno, char *estr, ...); - - - /* - * rpc_Read() - RPC read operation - * - * @sock = socket - * @type = type of socket - * @flags = receive flags - * @sa = check client address, if you use udp protocol - * @buf = buffer - * @blen = buffer length - * return: -1 error, 0 EOF or or >0 readed bytes into buffer - */ -ssize_t rpc_Read(int sock, int type, int flags, sockaddr_t * __restrict sa, - unsigned char * __restrict buf, size_t blen); -/* - * rpc_Write() - RPC write operation - * - * @sock = socket - * @type = type of socket - * @flags = send flags - * @sa = send to client address, if you use udp protocol - * @buf = buffer - * @blen = buffer length - * return: -1 error, 0 EOF or >0 written bytes into buffer - */ -ssize_t rpc_Write(int sock, int type, int flags, sockaddr_t * __restrict sa, - unsigned char * __restrict buf, size_t blen); - -/* - * rpc_chkPktSession() - Check RPC session - * - * @p = packet session - * @s = active session - * return: -1, 1, 2, 3 are errors or 0 ok - */ -int rpc_chkPktSession(rpc_sess_t *p, rpc_sess_t *s); -/* - * rpc_addPktSession() - Prepare session into network format - * - * @p = packet session - * @s = host session - * return: -1 error or 0 ok - */ -int rpc_addPktSession(rpc_sess_t *p, rpc_sess_t *s); -/* * rpc_register_srvPing() - Register ping service function * * @srv = RPC server instance @@ -431,6 +266,16 @@ rpc_srv_t *rpc_srv_initServer2(u_char InstID, int conc const char *csIface); /* + * rpc_srv_initServerExt() - Init & create pipe RPC Server + * + * @InstID = Instance for authentication & recognition + * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) + * @fd = File descriptor + * return: NULL == error or !=NULL bind and created RPC server instance + */ +rpc_srv_t *rpc_srv_initServerExt(u_char InstID, int netBuf, int fd); + +/* * rpc_srv_registerCall() - Register call to RPC server * * @srv = RPC Server instance @@ -543,188 +388,6 @@ int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_b * return: -1 error, 0 ok, >0 unreceived data from client, may be error? */ int rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob); - -/* CLIENT part of functions */ - -/* - * rpc_cli_sendBLOB() - Send BLOB to server - * - * @cli = Client instance - * @var = BLOB variable - * @data = BLOB data - * @tout = BLOB live on server timeout in seconds, if =0 default timeout - * return: -1 error, 0 ok, 1 remote error - */ -int rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, - void * __restrict data, int tout); -/* - * rpc_cli_recvBLOB() - Receive BLOB from server - * - * @cli = Client instance - * @var = BLOB variable - * @data = BLOB data, must be e_free after use! - * return: -1 error, 0 ok, 1 remote error - */ -int rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data); -/* - * rpc_cli_delBLOB() - Delete BLOB from server - * - * @cli = Client instance - * @var = BLOB variable - * return: -1 error, 0 ok, 1 remote error - */ -int rpc_cli_delBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var); -/* - * rpc_cli_getBLOB() - Receive BLOB from server and Delete after that. - * - * @cli = Client instance - * @var = BLOB variable - * @data = BLOB data, must be e_free after use! - * return: -1 error, 0 ok, >0 remote error - */ -int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, - void ** __restrict data); - - -/* RPC Client side functions */ - -/* - * rpc_cli_openClient() - Connect to RPC Server - * - * @InstID = InstID for RPC session request - * @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 - * @proto = Protocol, if == 0 choose SOCK_STREAM - * return: NULL == error or !=NULL connection to RPC server established - */ -rpc_cli_t *rpc_cli_openClient(unsigned char InstID, int netBuf, - const char *csHost, unsigned short Port, int proto); -/* - * rpc_cli_reconnectClient() - Reconnecting client to RPC server - * - * @cli = RPC Client session - * return: -1 error or 0 ok - */ -int rpc_cli_reconnectClient(rpc_cli_t * __restrict cli); -/* - * rpc_cli_closeClient() - Close connection to RPC server and free resources - * - * @cli = RPC Client session - * return: none - */ -void rpc_cli_closeClient(rpc_cli_t ** __restrict cli); -/* - * rpc_pkt_Send() - Send RPC packet - * - * @sock = Socket - * @type = Type of socket - * @sa = Server address - * @pkt = RPC packet - * @len = Length of packet - * return: -1 error, 0 EOF or >0 sended bytes - */ -int rpc_pkt_Send(int sock, int type, sockaddr_t * __restrict sa, - ait_val_t * __restrict pkt, int len); -/* - * rpc_pkt_Receive() - Receive RPC packet - * - * @sock = Socket - * @type = Type of socket - * @sa = Server address - * @pkt = RPC packet - * return: -1 error, 0 EOF or >0 received bytes - */ -int rpc_pkt_Receive(int sock, int type, sockaddr_t * __restrict sa, - ait_val_t * __restrict pkt); -/* - * rpc_pkt_Request() - Build RPC Request packet - * - * @pkt = Packet buffer - * @sess = RPC session info - * @tag = Function tag for execution - * @vars = Function argument array of values, may be NULL - * @noreply = We not want RPC reply - * @nocrc = Without CRC calculation - * return: -1 error or != -1 prepared bytes into packet - */ -int rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, - unsigned short tag, array_t * __restrict vars, int noreply, int nocrc); -/* - * rpc_pkt_Replay() - Decode RPC Replay packet - * - * @pkt = Packet buffer - * @sess = RPC session info, if =NULL don't check session - * @tag = Function tag - * @vars = Function argument array of values, may be NULL - * @nocrc = Without CRC calculation - * return: -1 error or != -1 return value from function - */ -int rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, - unsigned short tag, array_t ** __restrict vars, int nocrc); -/* - * rpc_cli_execCall() - Execute RPC call - * - * @cli = RPC Client session - * @noreply = We not want RPC reply - * @tag = Function tag for execution - * @in_vars = IN function argument array of values, may be NULL - * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with ait_freeVars() - * return: -1 error, 0 ok result or 1 closed rpc connection - */ -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_freeCall() - Free resouce allocated by RPC call - * - * @out_vars = Returned array with variables from RPC call - * return: none - */ -void rpc_cli_freeCall(array_t ** __restrict out_vars); -/* - * rpc_cli_ping() - Ping RPC server - * - * @cli = connected client - * return: -1 error or !=-1 ping seq id - */ -int rpc_cli_ping(rpc_cli_t *cli); - - -/* - * rpc_cli_openBLOBClient() - Connect to BLOB Server - * - * @rpccli = RPC Client session - * @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, unsigned short Port); -/* - * rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources - * - * @cli = BLOB Client session - * return: none - */ -void rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli); - - -/* - * rpc_cli_openClient2() - Connect to layer2 RPC Server - * - * @InstID = InstID for RPC session request - * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) - * @csIface = Interface name for bind client, if NULL first interface on host - * @csHost = Host ethernet address - * return: NULL == error or !=NULL connection to RPC server established - */ -rpc_cli_t *rpc_cli_openClient2(u_char InstID, int netBuf, - const char *csIface, const char *csHost); -/* - * rpc_cli_closeClient2() - Close layer2 connection to RPC server and free resources - * - * @cli = RPC Client session - * return: none - */ -void rpc_cli_closeClient2(rpc_cli_t ** __restrict cli); #endif