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/*
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Meanwhile - Unofficial Lotus Sametime Community Client Library
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Copyright (C) 2004 Christopher (siege) O'Brien
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "mw_channel.h"
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#include "mw_debug.h"
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#include "mw_error.h"
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#include "mw_message.h"
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#include "mw_service.h"
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/* I tried to be explicit with the g_return_* calls, to make the debug
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logging a bit more sensible. Hence all the explicit "foo != NULL"
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checks. */
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void mwService_recvCreate(struct mwService *s, struct mwChannel *chan,
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struct mwMsgChannelCreate *msg) {
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/* ensure none are null, ensure that the service and channel belong
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to the same session, and ensure that the message belongs on the
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channel */
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g_return_if_fail(s != NULL);
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g_return_if_fail(chan != NULL);
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g_return_if_fail(msg != NULL);
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g_return_if_fail(s->session == mwChannel_getSession(chan));
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g_return_if_fail(mwChannel_getId(chan) == msg->channel);
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if(s->recv_create) {
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s->recv_create(s, chan, msg);
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} else {
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mwChannel_destroy(chan, ERR_FAILURE, NULL);
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}
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}
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void mwService_recvAccept(struct mwService *s, struct mwChannel *chan,
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struct mwMsgChannelAccept *msg) {
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/* ensure none are null, ensure that the service and channel belong
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to the same session, and ensure that the message belongs on the
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channel */
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g_return_if_fail(s != NULL);
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g_return_if_fail(chan != NULL);
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g_return_if_fail(msg != NULL);
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g_return_if_fail(s->session == mwChannel_getSession(chan));
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g_return_if_fail(mwChannel_getId(chan) == msg->head.channel);
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if(s->recv_accept)
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s->recv_accept(s, chan, msg);
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}
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void mwService_recvDestroy(struct mwService *s, struct mwChannel *chan,
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struct mwMsgChannelDestroy *msg) {
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/* ensure none are null, ensure that the service and channel belong
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to the same session, and ensure that the message belongs on the
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channel */
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g_return_if_fail(s != NULL);
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g_return_if_fail(chan != NULL);
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g_return_if_fail(msg != NULL);
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g_return_if_fail(s->session == mwChannel_getSession(chan));
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g_return_if_fail(mwChannel_getId(chan) == msg->head.channel);
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if(s->recv_destroy)
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s->recv_destroy(s, chan, msg);
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}
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void mwService_recv(struct mwService *s, struct mwChannel *chan,
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guint16 msg_type, struct mwOpaque *data) {
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/* ensure that none are null. zero-length messages are acceptable */
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g_return_if_fail(s != NULL);
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g_return_if_fail(chan != NULL);
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g_return_if_fail(data != NULL);
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g_return_if_fail(s->session == mwChannel_getSession(chan));
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/*
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g_message("mwService_recv: session = %p, service = %p, b = %p, n = %u",
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mwService_getSession(s), s, data->data, data->len);
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*/
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if(s->recv)
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s->recv(s, chan, msg_type, data);
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}
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guint32 mwService_getType(struct mwService *s) {
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g_return_val_if_fail(s != NULL, 0x00);
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return s->type;
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}
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const char *mwService_getName(struct mwService *s) {
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g_return_val_if_fail(s != NULL, NULL);
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g_return_val_if_fail(s->get_name != NULL, NULL);
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return s->get_name(s);
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}
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const char *mwService_getDesc(struct mwService *s) {
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g_return_val_if_fail(s != NULL, NULL);
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g_return_val_if_fail(s->get_desc != NULL, NULL);
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return s->get_desc(s);
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}
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struct mwSession *mwService_getSession(struct mwService *s) {
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g_return_val_if_fail(s != NULL, NULL);
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return s->session;
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}
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void mwService_init(struct mwService *srvc, struct mwSession *sess,
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guint32 type) {
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/* ensure nothing is null, and there's no such thing as a zero
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service type */
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g_return_if_fail(srvc != NULL);
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g_return_if_fail(sess != NULL);
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g_return_if_fail(type != 0x00);
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srvc->session = sess;
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srvc->type = type;
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srvc->state = mwServiceState_STOPPED;
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}
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enum mwServiceState mwService_getState(struct mwService *srvc) {
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g_return_val_if_fail(srvc != NULL, mwServiceState_STOPPED);
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return srvc->state;
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}
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void mwService_start(struct mwService *srvc) {
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g_return_if_fail(srvc != NULL);
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if(! MW_SERVICE_IS_STOPPED(srvc))
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return;
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srvc->state = mwServiceState_STARTING;
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g_message("starting service %s", NSTR(mwService_getName(srvc)));
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if(srvc->start) {
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srvc->start(srvc);
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} else {
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mwService_started(srvc);
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}
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}
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void mwService_started(struct mwService *srvc) {
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g_return_if_fail(srvc != NULL);
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srvc->state = mwServiceState_STARTED;
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g_message("started service %s", NSTR(mwService_getName(srvc)));
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}
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void mwService_error(struct mwService *srvc) {
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g_return_if_fail(srvc != NULL);
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if(MW_SERVICE_IS_DEAD(srvc))
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return;
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srvc->state = mwServiceState_ERROR;
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g_message("error in service %s", NSTR(mwService_getName(srvc)));
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if(srvc->stop) {
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srvc->stop(srvc);
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} else {
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mwService_stopped(srvc);
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}
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}
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void mwService_stop(struct mwService *srvc) {
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g_return_if_fail(srvc != NULL);
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if(MW_SERVICE_IS_DEAD(srvc))
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return;
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srvc->state = mwServiceState_STOPPING;
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g_message("stopping service %s", NSTR(mwService_getName(srvc)));
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if(srvc->stop) {
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srvc->stop(srvc);
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} else {
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mwService_stopped(srvc);
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}
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}
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void mwService_stopped(struct mwService *srvc) {
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g_return_if_fail(srvc != NULL);
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if(srvc->state != mwServiceState_STOPPED) {
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srvc->state = mwServiceState_STOPPED;
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g_message("stopped service %s", NSTR(mwService_getName(srvc)));
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}
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}
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void mwService_free(struct mwService *srvc) {
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g_return_if_fail(srvc != NULL);
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mwService_stop(srvc);
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if(srvc->clear)
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srvc->clear(srvc);
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if(srvc->client_cleanup)
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srvc->client_cleanup(srvc->client_data);
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g_free(srvc);
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}
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/** @todo switch the following to using mw_datum */
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void mwService_setClientData(struct mwService *srvc,
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gpointer data, GDestroyNotify cleanup) {
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g_return_if_fail(srvc != NULL);
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srvc->client_data = data;
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srvc->client_cleanup = cleanup;
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}
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gpointer mwService_getClientData(struct mwService *srvc) {
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g_return_val_if_fail(srvc != NULL, NULL);
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return srvc->client_data;
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}
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void mwService_removeClientData(struct mwService *srvc) {
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g_return_if_fail(srvc != NULL);
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if(srvc->client_cleanup) {
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srvc->client_cleanup(srvc->client_data);
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srvc->client_cleanup = NULL;
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}
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srvc->client_data = NULL;
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}
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