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/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2013
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* tcp layer
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*/
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#include "libxrdp.h"
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/*****************************************************************************/
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struct xrdp_tcp *APP_CC
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xrdp_tcp_create(struct xrdp_iso *owner, struct trans *trans)
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{
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struct xrdp_tcp *self;
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DEBUG((" in xrdp_tcp_create"));
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self = (struct xrdp_tcp *)g_malloc(sizeof(struct xrdp_tcp), 1);
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self->iso_layer = owner;
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self->trans = trans;
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DEBUG((" out xrdp_tcp_create"));
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return self;
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}
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/*****************************************************************************/
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void APP_CC
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xrdp_tcp_delete(struct xrdp_tcp *self)
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{
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g_free(self);
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}
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/*****************************************************************************/
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/* get out stream ready for data */
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/* returns error */
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int APP_CC
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xrdp_tcp_init(struct xrdp_tcp *self, struct stream *s)
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{
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init_stream(s, 8192 * 4); /* 32 KB */
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return 0;
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}
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/*****************************************************************************/
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/* returns error */
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int APP_CC
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xrdp_tcp_recv(struct xrdp_tcp *self, struct stream *s, int len)
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{
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DEBUG((" in xrdp_tcp_recv, gota get %d bytes", len));
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init_stream(s, len);
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if (trans_force_read_s(self->trans, s, len) != 0)
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{
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DEBUG((" error in trans_force_read_s"));
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return 1;
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}
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DEBUG((" out xrdp_tcp_recv"));
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return 0;
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}
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/*****************************************************************************/
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/* returns error */
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int APP_CC
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xrdp_tcp_send(struct xrdp_tcp *self, struct stream *s)
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{
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int len;
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len = s->end - s->data;
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DEBUG((" in xrdp_tcp_send, gota send %d bytes", len));
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if (trans_force_write_s(self->trans, s) != 0)
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{
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DEBUG((" error in trans_force_write_s"));
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return 1;
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}
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DEBUG((" out xrdp_tcp_send, sent %d bytes ok", len));
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return 0;
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}
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