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xprt_register(3c)

rpc_svc_reg(3C)          Standard C Library Functions          rpc_svc_reg(3C)

NAME
       rpc_svc_reg,  rpc_reg, svc_reg, svc_unreg, svc_auth_reg, xprt_register,
       xprt_unregister - library routines for registering servers

DESCRIPTION
       These routines are a part of the  RPC  library  which  allows  the  RPC
       servers to register themselves with rpcbind() (see rpcbind(8)), and as‐
       sociate  the  given  program and version number with the dispatch func‐
       tion. When the RPC server receives a RPC request, the  library  invokes
       the dispatch routine with the appropriate arguments.

   Routines
       See rpc(3C) for the definition of the SVCXPRT data structure.

         #include <rpc/rpc.h>


       bool_t rpc_reg(const rpcprog_t prognum, const rpcvers_t versnum, const
       rpcproc_t procnum, char * (*procname)(), const xdrproc_t inproc, const
       xdrproc_t outproc, const char *nettype);

           Register  program  prognum, procedure procname, and version versnum
           with the RPC service package. If  a  request  arrives  for  program
           prognum, version versnum, and procedure procnum, procname is called
           with  a  pointer  to  its  parameter(s);  procname  should return a
           pointer to its static result(s). The arg parameter to procname is a
           pointer to the (decoded) procedure  argument.  inproc  is  the  XDR
           function  used  to  decode  the parameters while outproc is the XDR
           function used to encode the results. Procedures are  registered  on
           all  available  transports  of the class nettype. See rpc(3C). This
           routine returns 0 if the registration succeeded, −1 otherwise.


       int svc_reg(const SVCXPRT *xprt, const rpcprog_t prognum, const
       rpcvers_t versnum, const void (*dispatch)(), const struct netconfig
       *netconf);

           Associates prognum and versnum with the service dispatch procedure,
           dispatch. If netconf is NULL, the service is  not  registered  with
           the  rpcbind  service.  For  example, if a service has already been
           registered using some other means, such as inetd (see inetd(8)), it
           will not need to be registered again. If netconf is non-zero,  then
           a  mapping  of  the triple [prognum,  versnum, netconf->] to xprt->
           xp_ltaddr is established with the local rpcbind service.

           The svc_reg() routine returns 1 if it succeeds, and 0 otherwise.


       void svc_unreg(const rpcprog_t prognum, const rpcvers_t versnum);

           Remove from  the  rpcbind  service,  all  mappings  of  the  triple
           [prognum,  versnum, all-transports] to network address and all map‐
           pings within the RPC service package of the double  [prognum,  ver‐
           snum] to dispatch routines.


       int svc_auth_reg(const int cred_flavor, const enum auth_stat (*han‐
       dler)());

           Registers  the service authentication routine handler with the dis‐
           patch mechanism so that it can be invoked to authenticate  RPC  re‐
           quests  received  with authentication type cred_flavor. This inter‐
           face allows developers to add new authentication types to their RPC
           applications without needing to modify the libraries.  Service  im‐
           plementors usually do not need this routine.

           Typical  service application would call svc_auth_reg() after regis‐
           tering the service and prior to calling svc_run(). When  needed  to
           process  an  RPC credential of type cred_flavor, the handler proce‐
           dure will be called with two  parameters   (struct  svc_req  *rqst,
           struct  rpc_msg  *msg)  and  is  expected  to  return  a valid enum
           auth_stat value. There is no provision to change or delete  an  au‐
           thentication handler once registered.

           The  svc_auth_reg()  routine  returns 0 if the registration is suc‐
           cessful, 1 if cred_flavor already  has  an  authentication  handler
           registered for it, and −1 otherwise.


       void xprt_register(const SVCXPRT *xprt);

           After  RPC  service  transport handle xprt is created, it is regis‐
           tered with the RPC  service  package.  This  routine  modifies  the
           global  variable  svc_fdset (see rpc_svc_calls(3C)). Service imple‐
           mentors usually do not need this routine.


       void xprt_unregister(const SVCXPRT *xprt);

           Before an RPC service transport handle xprt is destroyed, it unreg‐
           isters itself with the RPC service package. This  routine  modifies
           the  global variable svc_fdset (see rpc_svc_calls(3C)). Service im‐
           plementors usually do not need this routine.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE  TYPEAT‐
       TRIBUTE VALUE _ MT-LevelMT-Safe


SEE ALSO
       select(3C),     rpc(3C),     rpc_svc_calls(3C),     rpc_svc_create(3C),
       rpc_svc_err(3C), rpcbind(3C), attributes(7), inetd(8), rpcbind(8)

Oracle Solaris 11.4               20 Feb 1998                  rpc_svc_reg(3C)
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