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version 1.4, 2011/09/07 07:24:21	version 1.26.2.1, 2015/01/27 23:50:46
Line 12 terms:	Line 12 terms:
All of the documentation and software included in the ELWIX and AITNET	All of the documentation and software included in the ELWIX and AITNET
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011	Copyright 2004 - 2015
by Michael Pounov <misho@elwix.org>. All rights reserved.	by Michael Pounov <misho@elwix.org>. All rights reserved.

Redistribution and use in source and binary forms, with or without	Redistribution and use in source and binary forms, with or without
Line 50 SUCH DAMAGE.	Line 50 SUCH DAMAGE.
#include <assert.h>	#include <assert.h>
#include <stdlib.h>	#include <stdlib.h>
#include <string.h>	#include <string.h>
	#include <errno.h>
#include <sys/types.h>	#include <sys/types.h>
#include <sys/param.h>	#include <sys/param.h>
#if !defined(__NetBSD__)	#if !defined(__NetBSD__)
#include <sys/limits.h>	#include <sys/limits.h>
#endif	#endif
#include <sys/socket.h>	#include <sys/socket.h>
#include <aitio.h>	#include <sys/queue.h>
	#include <elwix.h>
	#include <aitsched.h>


#define RPC_VERSION 1	#define RPC_VERSION 8
#define RPC_DEFPORT 2611	#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_EXT 5 /* bi-directional pipe interface */

	/* RPC call request flags */

	#define RPC_REPLY 0x0
	#define RPC_NOREPLY 0x1

	/* RPC call I/O direction */

	#define RPC_REQ 0x0
	#define RPC_ACK 0x1

/* RPC builtin registed calls */	/* RPC builtin registed calls */

#define CALL_BLOBSHUTDOWN "rpcBLOBServerShutdown"	#define CALL_TAG_MAX 65535
#define CALL_BLOBCLIENTS "rpcBLOBServerClients"
#define CALL_BLOBVARS "rpcBLOBServerVars"
#define CALL_BLOBSTATE "rpcBLOBServerState"

#define CALL_SRVSHUTDOWN "rpcServerShutdown"	#define CALL_SRVPING 65534
#define CALL_SRVCLIENTS "rpcServerClients"
#define CALL_SRVCALLS "rpcServerCalls"
#define CALL_SRVSESSIONS "rpcServerSessions"

	#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 */	/* RPC types */

typedef enum {	typedef enum {
disable, enable, running, kill, /* for blob.state */	ok, error, no, /* for blob reply */
ok, error, /* for blob reply */
get, set, unset /* for blob request */	get, set, unset /* for blob request */
} cmd_type_t;	} blob_cmd_type_t;


#define RPC_CALLBACK_CHECK_INPUT(_f) do { \	#define RPC_CALLBACK_CHECK_INPUT(x) do { \
assert((_f)); \	assert((x)); \
if (!(_f)) { \	if (!(x)) { \
rpc_SetErr(22, "Error:: invalid callback parameters ...\n"); \	rpc_SetErr(EINVAL, \
	"Invalid callback parameters ..."); \
return -1; \	return -1; \
} \	} \
} while (0)	} 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(22, "Error:: different number of arguments!\n"); \
return -1; \
} \
} while (0)


/* RPC session identification */	/* RPC session identification */

typedef struct {	typedef struct {
uint8_t sess_version;	#if BYTE_ORDER == LITTLE_ENDIAN
uint32_t sess_program;	uint16_t sess_instance:8;
uint32_t sess_process;	uint16_t sess_version:8;
} __packed rpc_sess_t;	#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 ... */	/* Server managment RPC functions ... */

// RPC function registration element!
typedef struct tagRPCFunc {
uint16_t func_tag;
uint32_t func_hash;
int8_t func_file[MAXPATHLEN];
int8_t func_name[UCHAR_MAX + 1];

array_t *func_vars;

void *func_parent;
struct tagRPCFunc *func_next;
} rpc_func_t;


/* Network RPC packet - Client request */	/* Network RPC packet - Client request */

struct tagRPCCall {	struct tagRPCCall {
rpc_sess_t call_session;	rpc_sess_t call_session;
uint16_t call_tag;
uint32_t call_hash;
uint16_t call_argc;
} __packed;

/* Network RPC packet - Server response */	uint32_t call_len;
	uint16_t call_crc;

struct tagRPCRet {	union {
rpc_sess_t ret_session;	struct {
uint16_t ret_tag;	uint64_t flags;
uint32_t ret_hash;	} call_req;
int32_t ret_retcode;	struct {
int32_t ret_errno;	int32_t ret;
uint16_t ret_argc;	int32_t eno;
} __packed;	} call_rep;
	};

	uint16_t call_tag;
	uint8_t call_io;
	uint8_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 */	/* Network BLOB packet - Header */

struct tagBLOBHdr {	struct tagBLOBHdr {
Line 154 struct tagBLOBHdr {	Line 174 struct tagBLOBHdr {
uint32_t hdr_var;	uint32_t hdr_var;
uint32_t hdr_len;	uint32_t hdr_len;
uint32_t hdr_ret;	uint32_t hdr_ret;
} __packed;	uint8_t hdr_pad;
	} __packed; /* size == 16 bytes */

/* Network RPC client & server elements */	/* Network RPC client & server elements */

typedef struct {	/* RPC function registration element! */
struct sockaddr cli_sa; // host info	typedef struct tagRPCFunc {
int cli_sock; // socket fd	ait_val_t func_name;
pthread_t cli_tid; // TID of thread

void *cli_parent; // pointer to parent rpc_srv_t for server or to rpc_sess_t for client	void *func_parent;
int cli_netbuf; // size of network buffer size
} rpc_cli_t;

	SLIST_ENTRY(tagRPCFunc) func_next;
	AVL_ENTRY(tagRPCFunc) func_node;
	} rpc_func_t;
	#define RPC_FUNC_SERVER(x) ((rpc_srv_t*) (x)->func_parent)

// BLOB registration element!	/* Tree root node */
	typedef struct tagRPCFuncs {
	pthread_mutex_t mtx;

	struct tagRPCFunc *slh_first;
	struct tagRPCFunc *avlh_root;
	} rpc_funcs_t;
	#define RPC_FUNCS_LOCK(x) pthread_mutex_lock(&(x)->mtx)
	#define RPC_FUNCS_UNLOCK(x) pthread_mutex_unlock(&(x)->mtx)
	#define RPC_FUNCS_ISEMPTY(x) AVL_EMPTY((x))


	/* BLOB register element */
typedef struct tagBLOB {	typedef struct tagBLOB {
uint32_t blob_var;	uint32_t blob_var; /* BLOB id */

size_t blob_len; // size of allocated BLOB data	size_t blob_len; /* size of allocated BLOB data */
void *blob_data; // BLOB data	void blob_data; / mapped BLOB data */

struct tagBLOB *blob_next;	TAILQ_ENTRY(tagBLOB) blob_node;
} rpc_blob_t;	} rpc_blob_t;


typedef struct {	typedef struct {
rpc_sess_t srv_session; // RPC session registration info	int cli_id; /* slot id */
int srv_numcli; // maximum concurent client connections	int cli_sock; /* socket fd */
int srv_netbuf; // size of network buffer size	sockaddr_t cli_sa; /* host address */
	ait_val_t cli_buf; /* network buffer */

rpc_cli_t srv_server; // RPC server socket	array_t cli_vars; / function return variables */
rpc_cli_t *srv_clients; // connected rpc client sockets

rpc_func_t *srv_funcs; // registered functions list	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)

pthread_mutex_t srv_mtx;	typedef struct {
cmd_type_t srv_kill;	rpc_sess_t srv_se rpc_sess_t srv_session; /* RPC session registration info */
	int srv_netbuf; /* size of network buffer */
	int srv_proto; /* Server protocol */

	pthread_t srv_tid; /* RPC exec pthread */
	sched_root_task_t srv_root; / RPC server scheduler */
	intptr_t srv_kill; /* Scheduler condition variable */

	rpc_cli_t srv_server; /* RPC server socket */
	array_t srv_clients; / connected rpc client sockets */

	rpc_funcs_t srv_funcs; /* RPC functions */

struct {	struct {
cmd_type_t state; // BLOB server state: ==0 disable \| !=0 enable	pthread_t tid; /* BLOB exec pthread */
char dir[UCHAR_MAX + 1];	sched_root_task_t root; / BLOB server scheduler */
	intptr_t kill; /* BLOB server state: ==0 disable \| !=0 enable */

rpc_cli_t server; // BLOB server socket	ait_val_t dir; /* BLOB states directory */
rpc_cli_t *clients; // connected blob client sockets

rpc_blob_t *blobs; // registered blob variables list	rpc_cli_t server; /* BLOB server socket */
	array_t clients; / connected blob client sockets */

pthread_mutex_t mtx;	TAILQ_HEAD(, tagBLOB) blobs; /* registered blob variables list */
} srv_blob;	} srv_blob;
} rpc_srv_t;	} rpc_srv_t;


/*	/*
* (*rpc_callback_t)() Callback type definition for RPC call in server process	* (*rpc_callback_t)() - Callback type definition for RPC call in server process
* @arg1 = current execution RPC call function	*
* @arg2 = number of items in input array from call request	* @arg1 = RPC client
	* @arg2 = RPC packet header
* @arg3 = input array with values from RPC call execution request	* @arg3 = input array with values from RPC call execution request
* return: -1 error or >-1 success execution	* return: -1 error or >-1 success execution
*/	*/
typedef int (rpc_callback_t)(rpc_func_t , int, array_t *);	typedef int (rpc_callback_t)(rpc_cli_t , struct tagRPCCall , array_t );

	#define RPC_CALL_DEFINE(x) int (x)(rpc_cli_t, struct tagRPCCall, array_t*)
	#define RPC_CALL_ARGS(arg1, arg2, arg3) rpc_cli_t* arg1, struct tagRPCCall* arg2, array_t* arg3
	#define RPC_CALL_STDARGS RPC_CALL_ARGS(cli, rpc, iv)

// -----------------------------------------------------------------------

	/* ----------------------------------------------------------------------- */

/* Error support functions */	/* Error support functions */

// rpc_GetErrno() Get error code of last operation	// rpc_GetErrno() Get error code of last operation
inline int rpc_GetErrno();	int rpc_GetErrno();
// rpc_GetError() Get error text of last operation	// rpc_GetError() Get error text of last operation
inline const char *rpc_GetError();	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
	* return: -1 error or 0 ok
	*/
	int rpc_register_srvPing(rpc_srv_t * __restrict srv);
	/*
	* rpc_register_srvServices() - Register internal service functions
	*
	* @srv = RPC server instance
	* return: -1 error or 0 ok
	*/
	int rpc_register_srvServices(rpc_srv_t * __restrict srv);
	/*
	* rpc_register_blobServices() - Register internal service functions
	*
	* @srv = RPC server instance
	* return: -1 error or 0 ok
	*/
	int rpc_register_blobServices(rpc_srv_t * __restrict srv);


/* RPC Server side functions */	/* RPC Server side functions */

/*	/*
* rpc_srv_initServer() Init & create RPC Server	* rpc_srv_initServer() - Init & create RPC Server
* @regProgID = ProgramID for authentication & recognition	*
* @regProcID = ProcessID for authentication & recognition	* @InstID = Instance for authentication & recognition
* @concurentClients = Concurent clients at same time to this server	* @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)
* @family = Family type, AF_INET, AF_INET6 or AF_LOCAL
* @csHost = Host name or address for bind server, if NULL any address	* @csHost = Host name or address for bind server, if NULL any address
* @Port = Port for bind server, if Port == 0 default port is selected	* @Port = Port for bind server, if Port == 0 default port is selected
	* @proto = Protocol, if == 0 choose SOCK_STREAM
* return: NULL == error or !=NULL bind and created RPC server instance	* return: NULL == error or !=NULL bind and created RPC server instance
*/	*/
rpc_srv_t *rpc_srv_initServer(u_int regProgID, u_int regProcID, int concurentClients,	rpc_srv_t *rpc_srv_initServer(unsigned char InstID, int concurentClients, int netBuf,
int netBuf, u_short family, const char *csHost, u_short Port);	const char *csHost, unsigned short Port, int proto);
/*	/*
* rpc_srv_endServer() Destroy RPC server, close all opened sockets and free resources	* rpc_srv_endServer() - Destroy RPC server, close all opened sockets and free resources
* @srv = RPC Server instance	*
	* @psrv = RPC Server instance
* return: none	* return: none
*/	*/
void rpc_srv_endServer(rpc_srv_t * __restrict srv);	void rpc_srv_endServer(rpc_srv_t ** __restrict psrv);
/*	/*
* rpc_srv_loopServer() Execute Main server loop and wait for clients requests	* rpc_srv_loopServer() - Execute Main server loop and wait for clients requests
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* return: -1 error or 0 ok, infinite loop ...	* return: -1 error or 0 ok, infinite loop ...
*/	*/
int rpc_srv_loopServer(rpc_srv_t * __restrict srv);	int rpc_srv_loopServer(rpc_srv_t * __restrict srv);
#define rpc_srv_execServer(_srv, _sync) do { assert((_srv)); pthread_t __tid; \	#define rpc_srv_execServer(_srv, _sync) \
pthread_create(&__tid, NULL, (void()(void*)) \	do { assert((_srv)); \
rpc_srv_loopServer, (_srv)); \	if (!(_srv)->srv_kill) { \
if ((_sync)) \	pthread_create(&(_srv)->srv_tid, NULL, (void()(void*)) \
pthread_join(__tid, (void**) (_sync)); \	rpc_srv_loopServer, (_srv)); \
else \	if ((_sync)) \
pthread_detach(__tid); \	pthread_join((_srv)->srv_tid, (void**) (_sync)); \
} while (0)	else \
	pthread_detach((_srv)->srv_tid); \
	} } while (0)
	#define rpc_srv_killServer(_srv) \
	(assert((_srv)), (_srv)->srv_blob.kill = 1, (_srv)->srv_kill = 1)

/*	/*
* rpc_srv_initBLOBServer() Init & create BLOB Server	* rpc_srv_initBLOBServer() - Init & create BLOB Server
	*
* @srv = RPC server instance	* @srv = RPC server instance
* @Port = Port for bind server, if Port == 0 default port is selected	* @Port = Port for bind server, if Port == 0 default port is selected
* @diskDir = Disk place for BLOB file objects	* @diskDir = Disk place for BLOB file objects
* return: -1 == error or 0 bind and created BLOB server instance	* 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	* rpc_srv_endBLOBServer() - Destroy BLOB server, close all opened sockets and free resources
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* return: none	* return: none
*/	*/
void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv);	void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv);
/*	/*
* rpc_srv_loopBLOB() Execute Main BLOB server loop and wait for clients requests	* rpc_srv_loopBLOB() - Execute Main BLOB server loop and wait for clients requests
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* return: -1 error or 0 ok, infinite loop ...	* return: -1 error or 0 ok, infinite loop ...
*/	*/
int rpc_srv_loopBLOB(rpc_srv_t * __restrict srv);	int rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv);
#define rpc_srv_execBLOBServer(_srv) do { assert((_srv)); pthread_t __tid; \	#define rpc_srv_execBLOBServer(_srv) \
if ((_srv)->srv_blob.state == enable) { \	do { assert((_srv)); \
pthread_create(&__tid, NULL, (void()(void*)) \	if (!(_srv)->srv_kill && !(_srv)->srv_blob.kill) { \
rpc_srv_loopBLOB, (_srv)); \	pthread_create(&(_srv)->srv_blob.tid, NULL, \
pthread_detach(__tid); \	(void()(void*)) rpc_srv_loopBLOBServer, (_srv)); \
(_srv)->srv_blob.state = running; \	pthread_detach((_srv)->srv_blob.tid); \
} \	} \
} while (0)	} while (0)

/*	/*
* rpc_srv_registerCall() Register call to RPC server	* rpc_srv_initServer2() - Init & create layer2 RPC Server
* @srv = RPC Server instance	*
* @csModule = Module name, if NULL self binary	* @InstID = Instance for authentication & recognition
* @csFunc = Function name	* @concurentClients = Concurent clients at same time to this server
* @args = Number of return function arguments, use for restriction case!	* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet)
* return: -1 error or 0 register ok	* @csIface = Interface name for bind server, if NULL first interface on host
	* return: NULL == error or !=NULL bind and created RPC server instance
*/	*/
int rpc_srv_registerCall(rpc_srv_t * __restrict srv, const char csModule, const char csFunc,	rpc_srv_t *rpc_srv_initServer2(u_char InstID, int concurentClients, int netBuf,
unsigned short args);	const char *csIface);

/*	/*
* rpc_srv_unregisterCall() Unregister call from RPC server	* 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	* @srv = RPC Server instance
* @csModule = Module name, if NULL self binary	* @tag = Function tag
* @csFunc = Function name	* @funcaddr = Function address
* return: -1 error, 0 not found call, 1 unregister ok	* return: -1 error, 0 already registered tag or 1 register ok
*/	*/
int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, const char csModule, const char csFunc);	int rpc_srv_registerCall(rpc_srv_t * __restrict srv, unsigned short tag, void *funcaddr);
/*	/*
* rpc_srv_getFunc() Get registered call from RPC server by Name	* rpc_srv_unregisterCall() - Unregister call from RPC server
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @csModule = Module name, if NULL self binary	* @tag = Function tag
* @csFunc = Function name	* return: -1 error, 0 not found call, 1 unregister ok
* return: NULL not found call, !=NULL return call
*/	*/
rpc_func_t rpc_srv_getFunc(rpc_srv_t __restrict srv, const char csModule, const char csFunc);	int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, unsigned short tag);
/*	/*
* rpc_srv_getCall() Get registered call from RPC server	* rpc_srv_getCall() - Get registered call from RPC server
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @tag = tag for function	* @tag = tag for function
* @hash = hash for function
* return: NULL not found call, !=NULL return call	* return: NULL not found call, !=NULL return call
*/	*/
inline rpc_func_t rpc_srv_getCall(rpc_srv_t __restrict srv, uint16_t tag, uint32_t hash);	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	* @rpc = IN RPC call structure
	* @funcname = Execute RPC function
* @args = IN RPC calling arguments from RPC client	* @args = IN RPC calling arguments from RPC client
* return: -1 error, !=-1 ok	* return: -1 error, !=-1 ok
*/	*/
int rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc,	int rpc_srv_execCall(rpc_cli_t * __restrict cli, struct tagRPCCall * __restrict rpc,
array_t * __restrict args);	ait_val_t funcname, array_t * __restrict args);


/*	/*
* rpc_srv_allocVars() Allocate array for call variables,	* rpc_srv_blobCreate() - Create and map blob to memory region and return object
if already allocated memory for RPC call reallocate used space	*
* @call = RPC function call
* @varnum = Number of variables, if ==0 free previous allocated variables
* return: -1 error, !=-1 return varnum value
*/
inline int rpc_srv_allocVars(rpc_func_t * __restrict call, int varnum);
/*
* rpc_srv_destroyVars() Destroy variables of array & array
* @call = RPC function call
* return: -1 error, !=-1 Returne remained variables
*/
inline int rpc_srv_destroyVars(rpc_func_t * __restrict call);
/*
* rpc_srv_freeVals() Clean values from variables of array
* @call = RPC function call
* return: -1 error, !=-1 Returned number of cleaned variables
*/
inline int rpc_srv_freeVals(rpc_func_t * __restrict call);
/*
* rpc_srv_copyVars() Copy variables for RPC call to new variable array
* @call = RPC function call
* @newvars = New allocated variables array, must be free after use
* return: -1 error, !=-1 Returned number of copied RPC variables
*/
inline int rpc_srv_copyVars(rpc_func_t * __restrict call, array_t ** __restrict newvars);
/*
* rpc_srv_getVars() Get variables array for RPC call
* @call = RPC function call
* @vars = Returned variables array, may be NULL
* return: -1 error, !=-1 Number of returned variables
*/
inline int rpc_srv_getVars(rpc_func_t * __restrict call, array_t ** __restrict vars);


/*
* rpc_srv_blobCreate() Create map blob to memory region and return object
* @srv = RPC Server instance	* @srv = RPC Server instance
* @len = BLOB length object	* @len = BLOB length object
	* @tout = BLOB live timeout in seconds
* return: NULL error or !=NULL allocated BLOB object	* return: NULL error or !=NULL allocated BLOB object
*/	*/
inline rpc_blob_t rpc_srv_blobCreate(rpc_srv_t __restrict srv, int len);	rpc_blob_t rpc_srv_blobCreate(rpc_srv_t __restrict srv, int len, int tout);
/*	/*
* rpc_srv_blobMap() Map blob to memory region	* rpc_srv_blobMap() - Map blob to memory region
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @blob = Map to this BLOB element	* @blob = Map to this BLOB element
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
inline int rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob);	int rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob);
/*	/*
* rpc_srv_blobUnmap() Unmap blob memory region	* rpc_srv_blobUnmap() - Unmap blob memory region
	*
* @blob = Mapped BLOB element	* @blob = Mapped BLOB element
* return: none	* return: none
*/	*/
inline void rpc_srv_blobUnmap(rpc_blob_t * __restrict blob);	void rpc_srv_blobUnmap(rpc_blob_t * __restrict blob);
/*	/*
* rpc_srv_blobFree() Free blob from disk & memory	* rpc_srv_blobFree() - Free blob from disk & memory
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @blob = Mapped BLOB element	* @blob = Mapped BLOB element
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
inline int rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob);	int rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob);

/*	/*
* rpc_srv_registerBLOB() Register new BLOB to server	* rpc_srv_registerBLOB() - Register new BLOB to server
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @len = BLOB length	* @len = BLOB length
	* @tout = BLOB live timeout in seconds
* return: NULL error or new registered BLOB	* return: NULL error or new registered BLOB
*/	*/
rpc_blob_t rpc_srv_registerBLOB(rpc_srv_t __restrict srv, size_t len);	rpc_blob_t rpc_srv_registerBLOB(rpc_srv_t __restrict srv, size_t len, int tout);
/*	/*
* rpc_srv_unregisterBLOB() Unregister BLOB from server	* rpc_srv_unregisterBLOB() - Unregister BLOB from server
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @var = BLOB Variable for unregister	* @var = BLOB Variable for unregister
* return: -1 error, 0 not found call, 1 unregister ok	* return: -1 error, 0 not found call, 1 unregister ok
*/	*/
int rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uint32_t var);	int rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uint32_t var);
/*	/*
* rpc_srv_getBLOB() Get registered BLOB	* rpc_srv_getBLOB() - Get registered BLOB
	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @var = hash for variable	* @var = hash for variable
* return: NULL not found, !=NULL return blob var	* return: NULL not found, !=NULL return blob var
*/	*/
inline rpc_blob_t rpc_srv_getBLOB(rpc_srv_t __restrict srv, uint32_t var);	rpc_blob_t rpc_srv_getBLOB(rpc_srv_t __restrict srv, uint32_t var);

/*	/*
* rpc_srv_sendBLOB() Send mapped BLOB to client	* rpc_srv_sendBLOB() - Send mapped BLOB to client
	*
* @cli = Client instance	* @cli = Client instance
* @blob = Mapped BLOB element	* @blob = Mapped BLOB element
* return: -1 error, 0 ok	* return: -1 error, 0 ok
*/	*/
int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob);	int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob);
/*	/*
* rpc_srv_recvBLOB() Receive BLOB from client	* rpc_srv_recvBLOB() - Receive BLOB from client
	*
* @cli = Client instance	* @cli = Client instance
* @blob = Mapped BLOB element	* @blob = Mapped BLOB element
* return: -1 error, 0 ok, >0 unreceived data from client, may be error?	* return: -1 error, 0 ok, >0 unreceived data from client, may be error?
Line 439 int rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_b	Line 563 int rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_b
/* CLIENT part of functions */	/* CLIENT part of functions */

/*	/*
* rpc_cli_sendBLOB() Send BLOB to server	* rpc_cli_sendBLOB() - Send BLOB to server
	*
* @cli = Client instance	* @cli = Client instance
* @var = BLOB variable	* @var = BLOB variable
* @data = BLOB data	* @data = BLOB data
	* @tout = BLOB live on server timeout in seconds, if =0 default timeout
* return: -1 error, 0 ok, 1 remote error	* 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 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	* rpc_cli_recvBLOB() - Receive BLOB from server
	*
* @cli = Client instance	* @cli = Client instance
* @var = BLOB variable	* @var = BLOB variable
* @data = BLOB data, must be free after use!	* @data = BLOB data, must be e_free after use!
* return: -1 error, 0 ok, 1 remote error	* 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);	int rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data);
/*	/*
* rpc_cli_delBLOB() Delete BLOB from server	* rpc_cli_delBLOB() - Delete BLOB from server
	*
* @cli = Client instance	* @cli = Client instance
* @var = BLOB variable	* @var = BLOB variable
* return: -1 error, 0 ok, 1 remote error	* return: -1 error, 0 ok, 1 remote error
*/	*/
int rpc_cli_delBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var);	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.	* rpc_cli_getBLOB() - Receive BLOB from server and Delete after that.
	*
* @cli = Client instance	* @cli = Client instance
* @var = BLOB variable	* @var = BLOB variable
* @data = BLOB data, must be free after use!	* @data = BLOB data, must be e_free after use!
* return: -1 error, 0 ok, >0 remote error	* return: -1 error, 0 ok, >0 remote error
*/	*/
inline int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data);	int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var,
	void ** __restrict data);



/* RPC Client side functions */	/* RPC Client side functions */

/*	/*
* rpc_cli_openClient() Connect to RPC Server	* rpc_cli_openClient() - Connect to RPC Server
* @ProgID = ProgramID for RPC session request	*
* @ProcID = ProcessID for RPC session request	* @InstID = InstID 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)
* @family = Family socket type, AF_INET or AF_INET6
* @csHost = Host name or IP address for bind server	* @csHost = Host name or IP address for bind server
* @Port = Port for bind server, if Port == 0 default port is selected	* @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	* return: NULL == error or !=NULL connection to RPC server established
*/	*/
rpc_cli_t *rpc_cli_openClient(u_int ProgID, u_int ProcID, int netBuf,	rpc_cli_t *rpc_cli_openClient(unsigned char InstID, int netBuf,
u_short family, const char *csHost, u_short Port);	const char *csHost, unsigned short Port, int proto);
/*	/*
* rpc_cli_closeClient() Close connection to RPC server and free resources	* rpc_cli_reconnectClient() - Reconnecting client to RPC server
	*
* @cli = RPC Client session	* @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	* return: none
*/	*/
void rpc_cli_closeClient(rpc_cli_t * __restrict cli);	void rpc_cli_closeClient(rpc_cli_t ** __restrict cli);
/*	/*
* rpc_cli_execCall() Execute RPC call	* 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, if =CALL_TAG_MAX don't check 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	* @cli = RPC Client session
* @csModule = Module name, if NULL self binary	* @noreply = We not want RPC reply
* @csFunc = Function name for execute	* @tag = Function tag for execution
* @in_vars = IN RPC call array of rpc values	* @in_vars = IN function argument array of values, may be NULL
* @out_vars = OUT returned array of rpc values, must be free after use with rpc_cli_freeVals()	* @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with ait_freeVars()
* return: -1 error or != -1 ok result	* return: -1 error, 0 ok result or 1 closed rpc connection
*/	*/
int rpc_cli_execCall(rpc_cli_t cli, const char csModule, const char *csFunc,	int rpc_cli_execCall(rpc_cli_t *cli, int noreply, unsigned short tag,
array_t * __restrict in_vars, array_t ** __restrict out_vars);	array_t * __restrict in_vars, array_t ** __restrict out_vars);
/*	/*
* rpc_cli_freeVals() Free ait_val_t array returned from RPC call	* rpc_cli_freeCall() - Free resouce allocated by RPC call
* @vars = Variable array	*
	* @out_vars = Returned array with variables from RPC call
* return: none	* return: none
*/	*/
inline void rpc_cli_freeVals(array_t ** __restrict vars);	void rpc_cli_freeCall(array_t ** __restrict out_vars);
/*	/*
* rpc_cli_allocVals() Allocate ait_val_t array for RPC call	* rpc_cli_ping() - Ping RPC server
* @args = Number of arguments	*
* return: =NULL error or !=NULL allocated array	* @cli = connected client
	* return: -1 error or !=-1 ping seq id
*/	*/
inline array_t *rpc_cli_allocVals(unsigned short args);	int rpc_cli_ping(rpc_cli_t *cli);


/*	/*
* rpc_cli_openBLOBClient() Connect to BLOB Server	* rpc_cli_openBLOBClient() - Connect to BLOB Server
	*
* @rpccli = RPC Client session	* @rpccli = RPC Client session
* @Port = Port for bind server, if Port == 0 default port is selected	* @Port = Port for bind server, if Port == 0 default port is selected
* return: NULL == error or !=NULL connection to BLOB server established	* 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	* rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources
	*
* @cli = BLOB Client session	* @cli = BLOB Client session
* return: none	* return: none
*/	*/
void rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli);	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);


	/*
	* rpc_cli_openClientExt() - Connect to pipe RPC Server
	*
	* @InstID = InstID for RPC session request
	* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet)
	* @fd = File descriptor
	* return: NULL == error or !=NULL connection to RPC server established
	*/
	rpc_cli_t *rpc_cli_openClientExt(u_char InstID, int netBuf, int fd);
	/*
	* rpc_cli_closeClientExt() - Close pipe connection to RPC server and free resources
	*
	* @cli = RPC Client session
	* return: none
	*/
	void rpc_cli_closeClientExt(rpc_cli_t ** __restrict cli);


#endif	#endif

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