static inline void
oim_send_request (PnNode *conn,
                  OimRequest *oim_request)
{
    gchar *body;
    gchar *header;
    gsize body_len;

    pn_log ("begin");

    body = g_strdup_printf ("<?xml version=\"1.0\" encoding=\"utf-8\"?>",
                            "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">",
                            "<soap:Header>",
                            "<From memberName=\"%s\" friendlyName=\"%s%s%s\" xml:lang=\"nl-nl\" proxy=\"MSNMSGR\" xmlns=\"http://messenger.msn.com/ws/2004/09/oim/\" msnpVer=\"MSNP13\" buildVer=\"8.0.0328\"/>",
                            "<To memberName=\"%s\" xmlns=\"http://messenger.msn.com/ws/2004/09/oim/\"/>",
                            "<Ticket passport=\"%s\" appid=\"%s\" lockkey=\"%s\" xmlns=\"http://messenger.msn.com/ws/2004/09/oim/\"/>",
                            "<Sequence xmlns=\"http://schemas.xmlsoap.org/ws/2003/03/rm\">",
                            "<Identifier xmlns=\"http://schemas.xmlsoap.org/ws/2002/07/utility\">http://messenger.msn.com</Identifier>",
                            "<MessageNumber>%i</MessageNumber>",
                            "</Sequence>",
                            "</soap:Header>",
                            "<soap:Body>",
                            "<MessageType xmlns=\"http://messenger.msn.com/ws/2004/09/oim/\">%s</MessageType>",
                            "<Content xmlns=\"http://messenger.msn.com/ws/2004/09/oim/\">MIME-Version: 1.0",
                            "Content-Type: text/plain; charset=UTF-8",
                            "Content-Transfer-Encoding: base64",
                            "X-OIM-Message-Type: OfflineMessage",
                            "X-OIM-Run-Id: %s",
                            "X-OIM-Sequence-Num: %i",
                            "\r\n",
                            "%s",
                            "</Content>",
                            "</soap:Body>",
                            "</soap:Envelope>",
                            memberName,
                            "=?utf-8?B?", pecan_base64_encode (friendly_name), "?=",
                            memberName,
                            passport,
                            appid,
                            lockkey, /** @todo session->lockkey ? */
                            MessageNumber = X-OIM-Sequence-Num, /** @todo ++contact->sent_oims ? */
                            "text",
                            X-OIM-Run-Id,
                            MessageNumber = X-OIM-Sequence-Num, /** @todo ++contact->sent_oims ? */
                            purple_base64_encode (str));

    body_len = strlen (body);

    header = g_strdup_printf ("POST /OimWS/oim.asmx HTTP/1.1\r\n"
                              "Accept: */*\r\n"
                              "SOAPAction: \"http://messenger.msn.com/ws/2004/09/oim/Store\"\r\n"
                              "Content-Type: text/xml; charset=utf-8\r\n"
                              "Content-Length: %" G_GSIZE_FORMAT "\r\n"
                              "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n"
                              "Host: %s\r\n"
                              "Connection: Keep-Alive\r\n"
                              "Cache-Control: no-cache\r\n"
                              /* "Cookie: MSPAuth=%s\r\n" */
                              "\r\n%s",
                              body_len,
                              "ows.messenger.msn.com",
                              /* session->passport_info.mspauth, */
                              body);

    g_free (body);

    pn_debug ("header=[%s]", header);
    /* pn_debug ("body=[%s]", body); */

    {
        gsize len;
        pn_node_write (conn, header, strlen (header), &len, NULL);
        pn_debug ("write_len=%d", len);
    }

    g_free (header);

    pn_log ("end");
}

static void
read_cb (PnNode *conn,
         gpointer data)
{
    OimRequest *oim_request;
    GIOStatus status = G_IO_STATUS_NORMAL;
    gchar *str = NULL;

    oim_request = data;

    gsize terminator_pos;

    status = pn_parser_read_line (oim_request->parser, &str, NULL, &terminator_pos, NULL);

    if (status == G_IO_STATUS_AGAIN)
        return;

    if (status != G_IO_STATUS_NORMAL)
        goto leave;

    if (str)
    {
        if (strcmp (str, "HTTP/1.1 200 OK") == 0)
            goto leave; /** is this correct? */

        g_free (str);
    }

    while (oim_request->parser_state < 1)
    {
        gsize terminator_pos;

        status = pn_parser_read_line (oim_request->parser, &str, NULL, &terminator_pos, NULL);

        if (status == G_IO_STATUS_AGAIN)
            return;

        if (status != G_IO_STATUS_NORMAL)
            goto leave;

        if (str)
        {
            str[terminator_pos] = '\0';

            /* now comes the content */
            if (str[0] == '\0')
                oim_request->parser_state++;

            g_free (str);
        }
    }

    while (oim_request->parser_state == 1)
    {
        gsize terminator_pos;

        status = pn_parser_read_line (oim_request->parser, &str, NULL, &terminator_pos, NULL);

        if (status == G_IO_STATUS_AGAIN)
            return;

        if (status != G_IO_STATUS_NORMAL)
            goto leave;

        if (str)
        {
            str[terminator_pos] = '\0';

            if (strncmp (str, "<LockKeyChallenge xmlns=\"http://messenger.msn.com/ws/2004/09/oim/\">", 67) == 0)
            {
                /** @todo: save the lockkey in session->lockkey */
                /** @todo: resend the message */
                goto leave;  /** is this correct? */
            }

            /* now comes the content */
            if (str[0] == '\0')
                oim_request->parser_state++;

            g_free (str);
        }
    }

leave:
    pn_node_close (conn);
    next_request (oim_request->oim_session);
}