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generated by cgit (git 2.34.1) at 2026-03-18 07:52:27 +0000
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/*
   Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com>
   This file is part of GlusterFS.

   This file is licensed to you under your choice of the GNU Lesser
   General Public License, version 3 or any later version (LGPLv3 or
   later), or the GNU General Public License, version 2 (GPLv2), in all
   cases as published by the Free Software Foundation.
*/

#include "changelog-rpc-common.h"
#include "changelog-messages.h"

#include "syscall.h"
/**
*****************************************************
                  Client Interface
*****************************************************
*/

/**
 * Initialize and return an RPC client object for a given unix
 * domain socket.
 */

void *
changelog_rpc_poller (void *arg)
{
        xlator_t *this = arg;

        (void) event_dispatch (this->ctx->event_pool);
        return NULL;
}

struct rpc_clnt *
changelog_rpc_client_init (xlator_t *this, void *cbkdata,
                           char *sockfile, rpc_clnt_notify_t fn)
{
        int              ret         = 0;
        struct rpc_clnt *rpc         = NULL;
        dict_t          *options     = NULL;

        if (!cbkdata)
                cbkdata = this;

        options = dict_new ();
        if (!options)
                goto error_return;

        ret = rpc_transport_unix_options_build (&options, sockfile, 0);
        if (ret) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        CHANGELOG_MSG_RPC_BUILD_ERROR,
                        "failed to build rpc options");
                goto dealloc_dict;
        }

        rpc = rpc_clnt_new (options, this, this->name, 16);
        if (!rpc)
                goto dealloc_dict;

        ret = rpc_clnt_register_notify (rpc, fn, cbkdata);
        if (ret) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        CHANGELOG_MSG_NOTIFY_REGISTER_FAILED,
                        "failed to register notify");
                goto dealloc_rpc_clnt;
        }

        ret = rpc_clnt_start (rpc);
        if (ret) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        CHANGELOG_MSG_RPC_START_ERROR,
                        "failed to start rpc");
                goto dealloc_rpc_clnt;
        }

        return rpc;

 dealloc_rpc_clnt:
        rpc_clnt_unref (rpc);
 dealloc_dict:
        dict_unref (options);
 error_return:
        return NULL;
}

/**
 * Generic RPC client routine to dispatch a request to an
 * RPC server.
 */
int
changelog_rpc_sumbit_req (struct rpc_clnt *rpc, void *req,
                          call_frame_t *frame, rpc_clnt_prog_t *prog,
                          int procnum, struct iovec *payload, int payloadcnt,
                          struct iobref *iobref, xlator_t *this,
                          fop_cbk_fn_t cbkfn, xdrproc_t xdrproc)
{
        int           ret        = 0;
        int           count      = 0;
        struct iovec  iov        = {0, };
        struct iobuf *iobuf      = NULL;
        char          new_iobref = 0;
        ssize_t       xdr_size   = 0;

        GF_ASSERT (this);

        if (req) {
                xdr_size = xdr_sizeof (xdrproc, req);

                iobuf = iobuf_get2 (this->ctx->iobuf_pool, xdr_size);
                if (!iobuf) {
                        goto out;
                };

                if (!iobref) {