cmpp.c

cmpp 发送接收短信息程序！是在linux下c 实现的。

    SetEvent(cent->hDeliverEvent, -10);

    sleep(2);

    DestroyEvent(cent->hAvailEvent);
    DestroyEvent(cent->hRespEvent);
    DestroyEvent(cent->hDeliverEvent);

    return;
}


void cmpp_type_init (VTASK * type)
{
    CmppEntity * cent = NULL;

    cent = (CmppEntity *)type->var;

    setSize           (type, sizeof(CmppCon));
    setEntitySize     (type, sizeof(CmppEntity));

    setConnCount      (type, MAX_PCON);
    setConnInit       (type, cmppcon_init);
    setConnDestruct   (type, cmppcon_destruct);
    setEntityInit     (type, cmppent_init);
    setEntityDestruct (type, cmppent_destruct);
    setBody           (type, cmpp_schedule);

    setIdleState      (type, cmpp_null);
    setServiceState   (type, cmpp_ready);

    return;
}




void cmpp_schedule (MESSAGE * msg)
{
    char         selector = 0;
    ITEM_TYPE    item     = 0;
    VTASK      * vtask    = NULL;
    VTASK      * entity   = NULL;
    CmppEntity * cmcent   = NULL;
    CmppCon    * cmcon    = NULL;
    CmppBlock  * block    = NULL;
    int          num      = 0;
    SubmitPending * subitem = NULL;

    if (!msg || !msg->dest)
        return;

    selector = msg->primitive.selector;
    item     = msg->primitive.item;
    entity   = msg->dest;
    cmcent   = (CmppEntity *)entity->var;

    if (selector == UP) {
        block  = (CmppBlock *)msg->parameters;
    } else if (selector == TIMEOUT) {
        vtask = entity;
        cmcon = (CmppCon *) vtask->var;

        entity = (VTASK *)getEntity(vtask);
        cmcent = (CmppEntity *)entity->var;
    } else {
        warning("cmpp_schedule: unknown interface %d.\n", selector);
        return;
    }

    switch (selector) {
    case UP:
        if (item == cmpp_terminate_req) {
            num = sk_num(cmcent->init_list) + sk_num(cmcent->mo_list);
            if (block->conid >= num) {
                error("cmpp_terminate_req follows incorrect "
                       "connection index %d.\n", block->conid);
                deleteFrame(&block->data);
                break;
            }
            if (block->conid < sk_num(cmcent->init_list))
                vtask = sk_value(cmcent->init_list, block->conid);
            else
                vtask = sk_value(cmcent->mo_list, 
                              block->conid - sk_num(cmcent->init_list));
            if (!vtask) {
                warning("cmpp_shedule: cmpp_terminate_req invalid, no vtask found.\n");
                return;
            }
            cmcon = (CmppCon *)vtask->var;

        } else if (item == cmpp_submit_req) {
            startHook(cmcent->hDistribute);

            /**distribute_submit(entity);*/     

            deleteFrame(&block->data);
            return;

        } else {
            error("**unsupported primitive %d from upper layer.\n", item);
            deleteFrame(&block->data);
            return;
        }
        break;

    case TIMEOUT:

        /* Connect message sent, but not got ConnectResponse.
         * while waiting for ConnectResponse, timeout event occurs */

        if (item == t_retry) 
            msg->primitive.item = TimerTO_Retry;


        /* after TACTTEST, timeout event occurs. this will invoke
         * system send ActiveTest message to verify ISMG state. */

        else if (item == t_acttest) {
            msg->primitive.item = TimerTO_ActTest;
            issue_active_test (vtask);
            startTimer(vtask, t_acttest, TACTTEST);
            return;
        }

        /* ActiveTest message sent, but not got ActiveTestResp.
         * while waiting for ActiveTestResp, timeout event occurs */

        else if (item == t_reactive) {
            if (cmcon->actretry <= MAXRETRY) {
                if (sendTcpCon (cmcon->fd, cmcon->actpdu) < 0) {
                    error("ActiveTest retransmit timeout: CMPP connection %s"
                          " to ISMG %s:%d crashed while reading length.\n",
                          vtask->name, cmcent->remote_host,
                          cmcent->remote_port);
                    vtask->state = cmpp_null;
                    checkIdleConnection(vtask);

                    startTimer(entity, t_build, TBUILD);
                    return;
                }
                cmcon->actretry++;
                startTimer(vtask, t_reactive, TREACTIVE);
                startTimer(vtask, t_acttest, TACTTEST);
                return;
            } else {
                error("ActiveTest retransmit %d times via CMPP connection %s"
                      " to, ISMG %s:%d, now give up re-submit.\n",
                       cmcon->actretry, vtask->name,
                       cmcent->remote_host, cmcent->remote_port);
                cmcon->actretry = 0;
                vtask->state = cmpp_null;
                checkIdleConnection(vtask);
                
                startTimer(entity, t_build, TBUILD);
                
                return;
            }
        }

  
        /* automatically restart CMPP connection through t_build TIMER and
         * ConnectionBuild hook. when t_build timeout, conection_build hook
         * will be started. the hook is responsible for creating TCP con. */

        else if (item == t_build) {
            if (sk_num(cmcent->init_list) < cmcent->mt_num ||
                sk_num(cmcent->mo_list) < cmcent->mo_num)  
            {
                startHook(cmcent->hBuildConn);
            }


        /* Submit message has been sent, no SubmitResponse message got so far.
         * Each Submit message has its dynamic Timer to prepare for 
         * retransmitting the Submit message. */

        } else if (item == t_resubmit) {
            subitem = (SubmitPending *) getTimeoutUserInfo(msg);
            if (!subitem)
                break;
            if (subitem->submtimer != getTimeoutInst(msg))
                break;
            
            if (subitem->retrynum <= MAXRETRY) {
                if (sendTcpCon (cmcon->fd, subitem->submitframe) < 0) {
                    error("Submit retransmit timeout: CMPP connection %s to "
                          "ISMG %s:%d crashed while reading length.\n",
                          vtask->name, cmcent->remote_host, 
                          cmcent->remote_port);
                    vtask->state = cmpp_null;
                    checkIdleConnection(vtask);

                    startTimer(entity, t_build, TBUILD);
                    return;
                }
                subitem->status = SUBMIT_REWAITRESP;
                subitem->retrynum++;
                subitem->submtimer = startDynTimer (vtask, t_resubmit, 
                                             TRESUBMIT, subitem);
                return;
            } else {
                error("Submit retransmit %d times via CMPP connection %s to "
                      "ISMG %s:%d, now give up re-submit.\n",
                       subitem->retrynum - 1, vtask->name,
                       cmcent->remote_host, cmcent->remote_port);
                subitem->status = SUBMIT_AVAIL;
                subitem->retrynum = 0;
                store_unsucc_submit(vtask, subitem->submit);
                emptyFrame(subitem->submitframe);
                subitem->submtimer = NULL;

                startHook(cmcent->hDistribute);

                return;
            }
        }
        break;
    }

    if (!vtask) {
        error("**no virtual task for the primitive %d.\n", item);
        return;
    }

    cmcon = (CmppCon *)vtask->var;

    switch (vtask->state) {
    case cmpp_null:
        break;

    case cmpp_handshaking:
        switch (item) {
        case TimerTO_Retry:
            if (cmcon->retrynum < MAXRETRY && send_cmpp_connect(vtask) >= 0) {
                    vtask->state = cmpp_handshaking;
            } else {            
                if (cmcon->retrynum > MAXRETRY)
                    error("Connect Response waiting timeout: after %d times "
                          "retrying to sending CONNECT, "
                          "system decides to terminate this CMPP "
                          "connection.\n", MAXRETRY);
                else
                    error("Connect Response waiting timeout: TCP connection"
                          " crashed while sending CMPP Connect.\n");

                vtask->state = cmpp_null;
                checkIdleConnection(vtask);

                startTimer(entity, t_build, TBUILD);
            }            
            break;
        }
        break;

    case cmpp_ready:
        break;
    }

    checkIdleConnection(vtask);

    if (selector == UP) {
        deleteFrame(&block->data);
    }
}


/*
struct tm
{
   int     tm_sec;    // seconds
   int     tm_min;    // minutes
   int     tm_hour;   // hours 
   int     tm_mday;   // day of the month 
   int     tm_mon;    // month 
   int     tm_year;   // year 
   int     tm_wday;   // day of the week
   int     tm_yday;   // day in the year
   int     tm_isdst;  // daylight saving time
};
*/

int create_cmpp_connect (VTASK * vtask)
{
    CmppCon   * cmcon = NULL;
    FRAME_PTR   frame = NULL;
    uint8       strtime [11];
    struct tm * curtime;
    time_t      calendt;
    uint32      netord = 0;

    if (!vtask) return -1;

    cmcon = (CmppCon *)vtask->var;
    if (cmcon->concreated) return 0;

    time(&calendt);
    curtime = localtime(&calendt);

    cmcon->timestamp = (curtime->tm_mon+1)  * 100000000 +
                       curtime->tm_mday     * 1000000   +
                       curtime->tm_hour     * 10000     +
                       curtime->tm_min      * 100       +
                       curtime->tm_sec      * 1         ;
    sprintf(strtime, "%010ld", cmcon->timestamp);

    //putnLastBytes (&frame, cmcon->sp_id, sizeof(cmcon->sp_id));
    putnLastBytes (&frame, cmcon->sp_id, strlen(cmcon->sp_id));
    appendnBytes  (&frame, '\0', 9);
    putnLastBytes (&frame, cmcon->sharedsecret, strlen(cmcon->sharedsecret));
    putnLastBytes (&frame, strtime, 10);

    Md5Val (bytePointer(frame), frameLength(frame), cmcon->authsrc);

    emptyFrame (frame);

    /* filling the header of connect */
    putnLastBytes (&frame, (uint8 *)&netord, 4);
    netord = CMPP_CONNECT;
    netord = htonl(netord);
    putnLastBytes (&frame, (uint8 *)&netord, 4);
    netord = CMPPGetSeqID();
    netord = htonl(netord);
    putnLastBytes (&frame, (uint8 *)&netord, 4);
    
    /* filling the content of connect */
    putnLastBytes (&frame, cmcon->sp_id, sizeof(cmcon->sp_id));
    putnLastBytes (&frame, cmcon->authsrc, 16);
    putLastByte   (&frame, cmcon->version);
    netord = htonl(cmcon->timestamp);