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/*

 * Copyright (C) 2006 Ondrej Palkovsky

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * - Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in the

 *   documentation and/or other materials provided with the distribution.

 * - The name of the author may not be used to endorse or promote products

 *   derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

/** @addtogroup ippc IPC Tester

 * @brief   IPC tester and task faulter.

 * @{

 */

/**

 * @file

 */

#include <stdio.h>

#include <async.h>

#include <ipc/ipc.h>

#include <ipc/services.h>

#include <errno.h>

#define TEST_START       10000

#define MAXLIST          4

#define MSG_HANG_ME_UP   2000

static int connections[50];

static ipc_callid_t callids[50];

static int phones[20];

static int myservice = 0;

static void client_connection(ipc_callid_t iid, ipc_call_t *icall)

{

    ipc_callid_t callid;

    ipc_call_t call;

    ipcarg_t phonehash = icall->in_phone_hash;

    int retval;

    int i;

    printf("Connected phone: %P, accepting\n", icall->in_phone_hash);

    ipc_answer_fast(iid, 0, 0, 0);

    for (i=0;i < 1024;i++)

        if (!connections[i]) {

            connections[i] = phonehash;

            break;

        }

    while (1) {

        callid = async_get_call(&call);

        switch (IPC_GET_METHOD(call)) {

        case IPC_M_PHONE_HUNGUP:

            printf("Phone (%P) hung up.\n", phonehash);

            retval = 0;

            break;

        default:

            printf("Received message from %P: %X\n", phonehash,callid);

            for (i=0; i < 1024; i++)

                if (!callids[i]) {

                    callids[i] = callid;

                    break;

                }

            continue;

        }

        ipc_answer_fast(callid, retval, 0, 0);

    }

}

static void printhelp(void)

{

    printf("? - help\n");

    printf("c - connect to other service\n");

    printf("h - hangup connection\n");

    printf("a - send async message to other service\n");

    printf("s - send sync message to other service\n");

    printf("d - answer message that we have received\n");

    printf("j - jump to endless loop\n");

    printf("p - page fault\n");

    printf("u - unaligned read\n");

}

static void callback(void *private, int retval, ipc_call_t *data)

{

    printf("Received response to msg %d - retval: %d.\n", private,

           retval);

}

static void do_answer_msg(void)

{

    int i,cnt, errn;

    char c;

    ipc_callid_t callid;

    cnt = 0;

    for (i=0;i < 50;i++) {

        if (callids[i]) {

            printf("%d: %P\n", cnt, callids[i]);

            cnt++;

        }

        if (cnt >= 10)

            break;

    }

    if (!cnt)

        return;

    printf("Choose message:\n");

    do {

        c = getchar();

    } while (c < '0' || (c-'0') >= cnt);

    cnt = c - '0' + 1;

    for (i=0;cnt;i++)

        if (callids[i])

            cnt--;

    i -= 1;

    printf("Normal (n) or hangup (h) or error(e) message?\n");

    do {

        c = getchar();

    } while (c != 'n' && c != 'h' && c != 'e');

    if (c == 'n')

        errn = 0;

    else if (c == 'h')

        errn = EHANGUP;

    else if (c == 'e')

        errn = ENOENT;

    printf("Answering %P\n", callids[i]);

    ipc_answer_fast(callids[i], errn, 0, 0);

    callids[i] = 0;

}

static void do_send_msg(int async)

{

    int phoneid;

    int res;

    static int msgid = 1;

    char c;

    printf("Select phoneid to send msg: 2-9\n");

    do {

        c = getchar();

    } while (c < '2' || c > '9');

    phoneid = c - '0';

    if (async) {

        ipc_call_async(phoneid, 2000, 0, (void *)msgid, callback, 1);

        printf("Async sent - msg %d\n", msgid);

        msgid++;

    } else {

        printf("Sending msg...");

        res = ipc_call_sync_2(phoneid, 2000, 0, 0, NULL, NULL);

        printf("done: %d\n", res);

    }

}

static void do_hangup(void)

{

    char c;

    int res;

    int phoneid;

    printf("Select phoneid to hangup: 2-9\n");

    do {

        c = getchar();

    } while (c < '2' || c > '9');

    phoneid = c - '0';

    printf("Hanging up...");

    res = ipc_hangup(phoneid);

    printf("done: %d\n", phoneid);

}

static void do_connect(void)

{

    char c;

    int svc;

    int phid;

    printf("Choose one service: 0:10000....9:10009\n");

    do {

        c = getchar();

    } while (c < '0' || c > '9');

    svc = TEST_START + c - '0';

    if (svc == myservice) {

        printf("Currently cannot connect to myself, update test\n");

        return;

    }

    printf("Connecting to %d..", svc);

    phid = ipc_connect_me_to(PHONE_NS, svc, 0);

    if (phid > 0) {

        printf("phoneid: %d\n", phid);

        phones[phid] = 1;

    } else

        printf("error: %d\n", phid);

}

int main(void)

{

    ipcarg_t phonead;

    int i;

    char c;

    int res;

    volatile long long var;

    volatile int var1;

    printf("********************************\n");

    printf("***********IPC Tester***********\n");

    printf("********************************\n");

    async_set_client_connection(client_connection);

    for (i=TEST_START;i < TEST_START+10;i++) {

        res = ipc_connect_to_me(PHONE_NS, i, 0, &phonead);

        if (!res)

            break;

        printf("Failed registering as %d..:%d\n", i, res);

    }

    printf("Registered as service: %d\n", i);

    myservice = i;

    printhelp();

    while (1) {

        c = getchar();

        switch (c) {

        case '?':

            printhelp();

            break;

        case 'h':

            do_hangup();

            break;

        case 'c':

            do_connect();

            break;

        case 'a':

            do_send_msg(1);

            break;

        case 's':

            do_send_msg(0);

            break;

        case 'd':

            do_answer_msg();

            break;

        case 'j':

            while (1)

                ;

        case 'p':

            printf("Doing page fault\n");

            *((char *)0) = 1;

            printf("done\n");

        case 'u':

            var1=*( (int *) ( ( (char *)(&var) ) + 1 ) );

            break;

        }

    }

}

/** @}

 */