Diff for /libaitrpc/inc/aitrpc.h between versions 1.8.2.22 and 1.28

version 1.8.2.22, 2012/05/17 16:42:43 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, 2012Copyright 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_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 types */ 
 
typedef enum { 
        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;  
         uint32_t        sess_program;  
         uint8_t         sess_process;  
 } __packed rpc_sess_t;          /* size == 6 bytes */  
   
   
 /* Server managment RPC functions ... */  
   
 /* Network RPC packet - Client request */  
   
 struct tagRPCCall {  
         rpc_sess_t      call_session;  
   
         uint16_t        call_seq;  
         uint16_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 == 24 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;                     /* size == 22 bytes */  
   
 /* Network RPC client & server elements */  
   
 /* RPC function registration element! */  /* RPC function registration element! */
 typedef struct tagRPCFunc {  typedef struct tagRPCFunc {
         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_RETVARS(x)     ((x)->func_vars)  
 #define RPC_FUNC_SERVER(x)      ((rpc_srv_t*) (x)->func_parent)  #define RPC_FUNC_SERVER(x)      ((rpc_srv_t*) (x)->func_parent)
   
   /* 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 */  /* BLOB register element */
 typedef struct tagBLOB {  typedef struct tagBLOB {
         uint32_t                blob_var;       /* BLOB id */          uint32_t                blob_var;       /* BLOB id */
Line 186  typedef struct tagBLOB { Line 111  typedef struct tagBLOB {
   
   
 typedef struct {  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;  
   
 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 */          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 */
Line 205  typedef struct { Line 122  typedef struct {
         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 {
                 pthread_t                       tid;            /* BLOB exec pthread */                  pthread_t                       tid;            /* BLOB exec pthread */
Line 225  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 = RPC packet header   * @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 *, struct tagRPCCall *, 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  
  *  
  * @p = packet session  
  * @s = active session  
  * return: -1, 1, 2, 3 are errors or 0 ok  
  */  
 inline 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  
  */  
 inline int rpc_addPktSession(rpc_sess_t *p, rpc_sess_t *s);  
 /*  
  * rpc_register_srvPing() - Register ping service function   * rpc_register_srvPing() - Register ping service function
  *   *
  * @srv = RPC server instance   * @srv = RPC server instance
  * return: -1 error or 0 ok   * return: -1 error or 0 ok
  */   */
inline int rpc_register_srvPing(rpc_srv_t * __restrict srv);int rpc_register_srvPing(rpc_srv_t * __restrict srv);
 /*  /*
  * rpc_register_srvServices() - Register internal service functions   * rpc_register_srvServices() - Register internal service functions
  *   *
Line 287  int rpc_register_blobServices(rpc_srv_t * __restrict s Line 184  int rpc_register_blobServices(rpc_srv_t * __restrict s
 /*  /*
  * 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 (min:512 bytes), 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(unsigned int regProgID, unsigned char regProcID, rpc_srv_t *rpc_srv_initServer(unsigned char InstID, int concurentClients, int netBuf, 
                int concurentClients, int netBuf,                 const char *csHost, unsigned short Port, int proto);
                const char *csHost, unsigned short Port); 
 /*  /*
  * 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 312  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)); \#define rpc_srv_execServer(_srv, _sync) \
                                                if (!(_srv)->srv_kill) { \        do { assert((_srv)); \
                                                        pthread_create(&(_srv)->srv_tid, NULL, (void*(*)(void*)) \                if (!(_srv)->srv_kill) { \
                                                                        rpc_srv_loopServer, (_srv)); \                        pthread_create(&(_srv)->srv_tid, NULL, (void*(*)(void*)) \
                                                        if ((_sync)) \                                        rpc_srv_loopServer, (_srv)); \
                                                                pthread_join((_srv)->srv_tid, (void**) (_sync)); \                        if ((_sync)) \
                                                        else \                                pthread_join((_srv)->srv_tid, (void**) (_sync)); \
                                                                pthread_detach((_srv)->srv_tid); \                        else \
                                                } } while (0)                                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 337  int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, Line 236  int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv,
  * @srv = RPC Server instance   * @srv = RPC Server instance
  * return: none   * return: none
  */   */
inline 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
  *   *
Line 345  inline void rpc_srv_endBLOBServer(rpc_srv_t * __restri Line 244  inline void rpc_srv_endBLOBServer(rpc_srv_t * __restri
  * return: -1 error or 0 ok, infinite loop ...   * return: -1 error or 0 ok, infinite loop ...
  */   */
 int rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv);  int rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv);
#define rpc_srv_execBLOBServer(_srv)    do { assert((_srv)); \#define rpc_srv_execBLOBServer(_srv) \
                                                if (!(_srv)->srv_kill && !(_srv)->srv_blob.kill) { \        do { assert((_srv)); \
                                                        pthread_create(&(_srv)->srv_blob.tid, NULL, \                if (!(_srv)->srv_kill && !(_srv)->srv_blob.kill) { \
                                                                        (void*(*)(void*)) \                        pthread_create(&(_srv)->srv_blob.tid, NULL, \
                                                                        rpc_srv_loopBLOBServer, (_srv)); \                                        (void*(*)(void*)) rpc_srv_loopBLOBServer, (_srv)); \
                                                        pthread_detach((_srv)->srv_blob.tid); \                        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
  * @tag = Function tag   * @tag = Function tag
  * @funcaddr = Function address   * @funcaddr = Function address
  * @args = Number of return function arguments  
  * return: -1 error, 0 already registered tag or 1 register ok   * return: -1 error, 0 already registered tag or 1 register ok
  */   */
int rpc_srv_registerCall(rpc_srv_t * __restrict srv, unsigned short tag, int rpc_srv_registerCall(rpc_srv_t * __restrict srv, unsigned short tag, void *funcaddr);
                void *funcaddr, unsigned short args); 
 /*  /*
  * rpc_srv_unregisterCall() - Unregister call from RPC server   * rpc_srv_unregisterCall() - Unregister call from RPC server
  *   *
Line 380  int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, Line 299  int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv,
  * @tag = tag for function   * @tag = tag 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);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);
   
   
 /*  /*
Line 398  int rpc_srv_execCall(rpc_func_t * __restrict call, str Line 318  int rpc_srv_execCall(rpc_func_t * __restrict call, str
  *   *
  * @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 408  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 423  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 448  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 466  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 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 (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  
  */  
 rpc_cli_t *rpc_cli_openClient(unsigned int ProgID, unsigned char ProcID, int netBuf,   
                 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  
  * @tag = Function tag for execution  
  * @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, 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);  
   
   
 /*  
  * 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);  
   
   
 #endif  #endif

Removed from v.1.8.2.22  
changed lines
  Added in v.1.28


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