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Diff for /libaitrpc/inc/aitrpc.h between versions 1.8.2.1 and 1.28

version 1.8.2.1, 2012/05/15 16:06:13	version 1.28, 2015/07/02 22:28:14
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, 2012	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 48 SUCH DAMAGE.	Line 48 SUCH DAMAGE.


#include <assert.h>	#include <assert.h>
#include <stdlib.h>	//#include <stdlib.h>
#include <string.h>	//#include <string.h>
#include <errno.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 <pthread.h>
#include <sys/queue.h>	#include <sys/queue.h>
#include <aitio.h>	#include <aitrpc_pkt.h>
	#include <aitrpc_cli.h>
#include <aitsched.h>	#include <aitsched.h>


#define RPC_VERSION 4	#define RPC_CALLBACK_CHECK_INPUT(x) do { \
#define RPC_DEFPORT 2611	assert((x)); \
	if (!(x)) { \
/* RPC call request flags */

#define RPC_REPLY 0x0
#define RPC_NOREPLY 0x1

/* RPC builtin registed calls */

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

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


/* RPC types */

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


#define RPC_CALLBACK_CHECK_INPUT(_f) do { \
assert((_f)); \
if (!(_f)) { \
rpc_SetErr(EINVAL, \	rpc_SetErr(EINVAL, \
"Invalid callback parameters ..."); \	"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(EINVAL, \
"Not enough number of arguments!"); \
return -1; \
} \
} while (0)


/* RPC session identification */	/* Network RPC server elements */

typedef struct {
uint8_t sess_version;
uint8_t sess_timeout;
uint32_t sess_program;
uint16_t sess_process;
} __packed rpc_sess_t; /* size == 8 bytes */


/* Server managment RPC functions ... */

/* RPC function registration element! */	/* RPC function registration element! */
typedef struct tagRPCFunc {	typedef struct tagRPCFunc {
uint16_t func_tag;
uint32_t func_hash;
ait_val_t func_file;
ait_val_t func_name;	ait_val_t func_name;

array_t *func_vars;

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

	/* Tree root node */
	typedef struct tagRPCFuncs {
	pthread_mutex_t mtx;

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

struct tagRPCCall {
rpc_sess_t call_session;

uint16_t call_len;	/* BLOB register element */

uint16_t call_tag;
uint32_t call_hash;
uint16_t call_argc;

union {
struct {
uint64_t flags;
} call_req;
struct {
int32_t ret;
int32_t eno;
} call_rep;
};

uint16_t call_crc;
} __packed; /* size == 28 bytes */

/* 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;
uint16_t hdr_crc;
uint8_t hdr_pad;
} __packed;

/* Network RPC client & server elements */

typedef struct {
int cli_id; /* slot id */
int cli_sock; /* socket fd */
io_sockaddr_t cli_sa; /* host address */
ait_val_t cli_buf; /* network buffer */

void cli_parent; / pointer to parent rpc_srv_t for server or to rpc_sess_t for client */
} rpc_cli_t;


/* BLOB registration 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 */	rpc_sess_t srv_session; /* RPC session registration info */
int srv_netbuf; /* size of network buffer */	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 */	sched_root_task_t srv_root; / RPC server scheduler */
intptr_t srv_kill; /* Scheduler condition variable */	intptr_t srv_kill; /* Scheduler condition variable */

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

TAILQ_HEAD(, tagRPCFunc) srv_funcs; /* RPC functions list */	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 */
ait_val_t dir;	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 */

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

Line 221 typedef struct {	Line 142 typedef struct {
/*	/*
* (*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	* @arg1 = RPC client
* @arg2 = number of items in input array from call request	* @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 */	/* ----------------------------------------------------------------------- */

// rpc_GetErrno() Get error code of last operation
inline int rpc_GetErrno();
// rpc_GetError() Get error text of last operation
inline const char *rpc_GetError();


/*	/*
* rpc_chkPktSession() - Check RPC session	* rpc_register_srvPing() - Register ping service function
*	*
* @p = packet session	* @srv = RPC server instance
* @s = active session	* return: -1 error or 0 ok
* return: -1, 1, 2, 3 are errors or 0 ok
*/	*/
inline int rpc_chkPktSession(rpc_sess_t p, rpc_sess_t s);	int rpc_register_srvPing(rpc_srv_t * __restrict srv);
/*	/*
* rpc_addPktSession() - Prepare session into network format	* rpc_register_srvServices() - Register internal service functions
*	*
* @p = packet session	* @srv = RPC server instance
* @s = host session
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
inline int rpc_addPktSession(rpc_sess_t p, rpc_sess_t s);	int rpc_register_srvServices(rpc_srv_t * __restrict srv);
/*	/*
* rpc_register_srvServices() - Register internal service functions	* rpc_register_blobServices() - Register internal service functions
*	*
* @srv = RPC server instance	* @srv = RPC server instance
* return: -1 error or 0 ok	* return: -1 error or 0 ok
*/	*/
int rpc_register_srvServices(rpc_srv_t * __restrict srv);	int rpc_register_blobServices(rpc_srv_t * __restrict srv);


/* RPC Server side functions */	/* RPC Server side functions */
Line 269 int rpc_register_srvServices(rpc_srv_t * __restrict sr	Line 184 int rpc_register_srvServices(rpc_srv_t * __restrict sr
/*	/*
* rpc_srv_initServer() - Init & create RPC Server	* rpc_srv_initServer() - Init & create RPC Server
*	*
* @regProgID = ProgramID for authentication & recognition	* @InstID = Instance for authentication & recognition
* @regProcID = ProcessID 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)
* @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, 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
*	*
Line 293 void rpc_srv_endServer(rpc_srv_t ** __restrict psrv);	Line 208 void rpc_srv_endServer(rpc_srv_t ** __restrict psrv);
* 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
Line 310 int rpc_srv_loopServer(rpc_srv_t * __restrict srv);	Line 229 int rpc_srv_loopServer(rpc_srv_t * __restrict srv);
* @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
*	*
Line 324 void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)	Line 243 void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
* @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_initServer2() - Init & create layer2 RPC Server
	*
	* @InstID = Instance for authentication & recognition
	* @concurentClients = Concurent clients at same time to this server
	* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet)
	* @csIface = Interface name for bind server, if NULL first interface on host
	* return: NULL == error or !=NULL bind and created RPC server instance
	*/
	rpc_srv_t *rpc_srv_initServer2(u_char InstID, int concurentClients, int netBuf,
	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	* 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
* @args = Number of return function arguments, use for restriction case!	* return: -1 error, 0 already registered tag or 1 register ok
* return: -1 error or 0 register ok
*/	*/
int rpc_srv_registerCall(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);
unsigned short args);
/*	/*
* rpc_srv_unregisterCall() - Unregister call from RPC server	* 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: -1 error, 0 not found call, 1 unregister ok
*/	*/
int rpc_srv_unregisterCall(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_getFunc() - Get registered call from RPC server by Name	* rpc_srv_getCall() - Get registered call from RPC server
*	*
* @srv = RPC Server instance	* @srv = RPC Server instance
* @csModule = Module name, if NULL self binary
* @csFunc = Function name
* 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);
/*
* rpc_srv_getCall() - Get registered call from RPC server
*
* @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_getVars() - Get variables array for RPC call	* rpc_srv_blobCreate() - Create and map blob to memory region and return object
*	*
* @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
*	*
Line 409 inline rpc_blob_t rpc_srv_blobCreate(rpc_srv_t __re	Line 329 inline rpc_blob_t rpc_srv_blobCreate(rpc_srv_t __re
* @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
*	*
Line 424 inline void rpc_srv_blobUnmap(rpc_blob_t * __restrict	Line 344 inline void rpc_srv_blobUnmap(rpc_blob_t * __restrict
* @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
*	*
Line 449 int rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv,	Line 370 int rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv,
* @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
Line 467 int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_b	Line 388 int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_b
* 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?
*/	*/
int rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob);	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
* 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);
/*
* rpc_cli_recvBLOB() - Receive BLOB from server
*
* @cli = Client instance
* @var = BLOB variable
* @data = BLOB data, must be 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 free after use!
* 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);


/*
* rpc_calcHashes() - Calculate hashes for RPC call
*
* @func = function
* @csModule = Module name, if NULL self binary
* @csFunc = Function name
* return: -1 error or 0 ok
*/
int rpc_calcHashes(rpc_func_t * __restrict func, const char csModule, const char csFunc);


/* RPC Client side functions */

/*
* rpc_cli_openClient() - Connect to RPC Server
*
* @ProgID = ProgramID for RPC session request
* @ProcID = ProcessID for RPC session request
* @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet)
* @Timeout = RPC timeout in seconds, if =0 set default RPC timeout
* @family = Family socket type, AF_INET or AF_INET6
* @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
*/
rpc_cli_t *rpc_cli_openClient(unsigned int ProgID, unsigned int ProcID, int netBuf,
unsigned char Timeout, unsigned short family,
const char *csHost, unsigned short Port);
/*
* 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_cli_execCall() - Execute RPC call
*
* @cli = RPC Client session
* @noreply = We not want RPC reply
* @csModule = Module name, if NULL self binary
* @csFunc = Function name for execute
* @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()
* return: -1 error or != -1 ok result
*/
int rpc_cli_execCall(rpc_cli_t cli, int noreply, const char csModule, const char *csFunc,
array_t * __restrict in_vars, array_t ** __restrict out_vars);


/*
* 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, u_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);


#endif	#endif

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