void channel_send	(	STREAM	s,
		VCHANNEL *	channel
	)
Definition at line 80 of file channels.c.
{
    uint32 length, flags;
    uint32 thislength, remaining;
    uint8 *data;

    /* first fragment sent in-place */
    s_pop_layer(s, channel_hdr);
    length = s->end - s->p - 8;

    DEBUG_CHANNEL(("channel_send, length = %d\n", length));

    thislength = MIN(length, CHANNEL_CHUNK_LENGTH);
/* Note: In the original clipboard implementation, this number was
   1592, not 1600. However, I don't remember the reason and 1600 seems
   to work so.. This applies only to *this* length, not the length of
   continuation or ending packets. */
    remaining = length - thislength;
    flags = (remaining == 0) ? CHANNEL_FLAG_FIRST | CHANNEL_FLAG_LAST : CHANNEL_FLAG_FIRST;
    if (channel->flags & CHANNEL_OPTION_SHOW_PROTOCOL)
        flags |= CHANNEL_FLAG_SHOW_PROTOCOL;

    out_uint32_le(s, length);
    out_uint32_le(s, flags);
    data = s->end = s->p + thislength;
    DEBUG_CHANNEL(("Sending %d bytes with FLAG_FIRST\n", thislength));
    sec_send_to_channel(s, g_encryption ? SEC_ENCRYPT : 0, channel->mcs_id);

    /* subsequent segments copied (otherwise would have to generate headers backwards) */
    while (remaining > 0)
    {
        thislength = MIN(remaining, CHANNEL_CHUNK_LENGTH);
        remaining -= thislength;
        flags = (remaining == 0) ? CHANNEL_FLAG_LAST : 0;
        if (channel->flags & CHANNEL_OPTION_SHOW_PROTOCOL)
            flags |= CHANNEL_FLAG_SHOW_PROTOCOL;

        DEBUG_CHANNEL(("Sending %d bytes with flags %d\n", thislength, flags));

        s = sec_init(g_encryption ? SEC_ENCRYPT : 0, thislength + 8);
        out_uint32_le(s, length);
        out_uint32_le(s, flags);
        out_uint8p(s, data, thislength);
        s_mark_end(s);
        sec_send_to_channel(s, g_encryption ? SEC_ENCRYPT : 0, channel->mcs_id);

        data += thislength;
    }
}
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