/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_bulk_write, handle)
{
    struct hg_info *hg_info = NULL;
    hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
    hg_bulk_t local_bulk_handle = HG_BULK_NULL;
    struct hg_test_bulk_args *bulk_args = NULL;
    bulk_write_in_t in_struct;
    hg_return_t ret = HG_SUCCESS;
    int fildes;

    hg_op_id_t hg_bulk_op_id;

    bulk_args = (struct hg_test_bulk_args *) malloc(
            sizeof(struct hg_test_bulk_args));

    /* Keep handle to pass to callback */
    bulk_args->handle = handle;

    /* Get info from handle */
    hg_info = HG_Get_info(handle);

    /* Get input parameters and data */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input\n");
        return ret;
    }

    /* Get parameters */
    fildes = in_struct.fildes;
    origin_bulk_handle = in_struct.bulk_handle;

    bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
    bulk_args->fildes = fildes;

    /* Create a new block handle to read the data */
    HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
        HG_BULK_READWRITE, &local_bulk_handle);

    /* Pull bulk data */
    ret = HG_Bulk_transfer(hg_info->context, hg_test_bulk_transfer_cb,
        bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
        local_bulk_handle, 0, bulk_args->nbytes, &hg_bulk_op_id);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not read bulk data\n");
        return ret;
    }

    /* Test HG_Bulk_Cancel() */
    if (fildes < 0) {
        ret = HG_Bulk_cancel(hg_bulk_op_id);
        if (ret != HG_SUCCESS){
            fprintf(stderr, "Could not cancel bulk data\n");
            return ret;
        }
    }

    HG_Free_input(handle, &in_struct);
    return ret;
}
Exemple #2
0
/**
 * The routine that sets up the routines that actually do the work.
 * This 'handle' parameter is the only value passed to this callback, but
 * Mercury routines allow us to query information about the context in which
 * we are called. */
static hg_return_t
snappy_compress_cb(hg_handle_t handle)
{
    struct snappy_transfer_args *snappy_transfer_args;
    size_t input_length;

    snappy_transfer_args = (struct snappy_transfer_args *)
            malloc(sizeof(struct snappy_transfer_args));
    snappy_transfer_args->handle = handle;

    /* Get input parameters sent on origin through on HG_Forward() */
    HG_Get_input(handle, &snappy_transfer_args->snappy_compress_input);

    /* Now set up the bulk transfer and get the input length */
    input_length = HG_Bulk_get_size(
            snappy_transfer_args->snappy_compress_input.input_bulk_handle);

    /* The bulk 'handle' is basically a pointer, with the addition that 'handle'
     * could refer to more than one memory region. */
    HG_Bulk_create(HG_Get_info(handle)->hg_bulk_class, 1, NULL, &input_length,
	    HG_BULK_READWRITE, &snappy_transfer_args->local_input_bulk_handle);

    /* Pull data from origin's memory into our own */
    /* Another way to do this is via HG_Bulk_access, which would allow mercury,
     * if "co-resident" to avoid a copy of data */
    HG_Bulk_transfer(HG_Get_info(handle)->bulk_context,
            snappy_pull_cb, snappy_transfer_args,
            HG_BULK_PULL, HG_Get_info(handle)->addr,
            snappy_transfer_args->snappy_compress_input.input_bulk_handle, 0, /* origin */
            snappy_transfer_args->local_input_bulk_handle, 0, /* local */
            input_length, HG_OP_ID_IGNORE);

    return HG_SUCCESS;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_posix_write, handle)
{
    hg_return_t ret = HG_SUCCESS;

    struct hg_info *hg_info = NULL;
    hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
    hg_bulk_t local_bulk_handle = HG_BULK_NULL;
    struct hg_test_bulk_args *bulk_args = NULL;
    bulk_write_in_t in_struct;

    bulk_args = (struct hg_test_bulk_args *) malloc(
            sizeof(struct hg_test_bulk_args));

    /* Keep handle to pass to callback */
    bulk_args->handle = handle;

    /* Get info from handle */
    hg_info = HG_Get_info(handle);

    /* Get input struct */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input struct\n");
        return ret;
    }

    origin_bulk_handle = in_struct.bulk_handle;

    /* Create a new block handle to read the data */
    bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
    bulk_args->fildes = in_struct.fildes;

    /* Create a new bulk handle to read the data */
    HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
            HG_BULK_READWRITE, &local_bulk_handle);

    /* Pull bulk data */
    ret = HG_Bulk_transfer(hg_info->context, hg_test_posix_write_transfer_cb,
            bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
            local_bulk_handle, 0, bulk_args->nbytes, HG_OP_ID_IGNORE);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not read bulk data\n");
        return ret;
    }

    HG_Free_input(handle, &in_struct);
    return ret;
}
HG_TEST_RPC_CB(hg_test_posix_open, handle)
{
    hg_return_t ret = HG_SUCCESS;

    open_in_t in_struct;
    open_out_t out_struct;

    const char *path;
    int flags;
    mode_t mode;
    int open_ret;

    /* Get input struct */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input struct\n");
        return ret;
    }

    path = in_struct.path;
    flags = in_struct.flags;
    mode = in_struct.mode;

    /* Call open */
    printf("Calling open with path: %s\n", path);
    open_ret = open(path, flags, mode);

    /* Fill output structure */
    out_struct.ret = open_ret;

    /* Send response back */
    ret = HG_Respond(handle, NULL, NULL, &out_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not respond\n");
        return ret;
    }

    HG_Free_input(handle, &in_struct);
    HG_Destroy(handle);

    return ret;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_rpc_open, handle)
{
    hg_return_t ret = HG_SUCCESS;

    rpc_open_in_t  in_struct;
    rpc_open_out_t out_struct;

    hg_const_string_t path;
    rpc_handle_t rpc_handle;
    int event_id;
    int open_ret;

    /* Get input buffer */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input\n");
        return ret;
    }

    /* Get parameters */
    path = in_struct.path;
    rpc_handle = in_struct.handle;

    /* Call rpc_open */
    open_ret = rpc_open(path, rpc_handle, &event_id);

    /* Fill output structure */
    out_struct.event_id = event_id;
    out_struct.ret = open_ret;

    /* Send response back */
    ret = HG_Respond(handle, NULL, NULL, &out_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not respond\n");
        return ret;
    }

    HG_Free_input(handle, &in_struct);
    HG_Destroy(handle);

    return ret;
}
/* HG_svrec_add_ult() -- handler
 */
void HG_svrec_add_ult(hg_handle_t h) {
    int ret;
    sv_rec_remove_in_t in;
    sv_rec_remove_out_t out;
    struct hg_info *hgi;
    margo_instance_id mid;
    hg_size_t sz;
    hg_bulk_t lbh; /* local bulk handle */
    void *p;

    ret = HG_Get_input(h, &in);
    assert(ret == HG_SUCCESS);

    hgi = HG_Get_info(h);
    mid = margo_hg_class_to_instance(hgi->hg_class);

    assert(rec_list != NULL);
    assert(rec_ct < rec_list_sz);
    p = &rec_list[rec_ct];
    sz = sizeof(hg_sv_rec_t);
    ret = HG_Bulk_create(hgi->hg_class, 1, (void **) &p, &sz,
			 HG_BULK_READWRITE, &lbh);
    assert(ret == HG_SUCCESS);

    ret = margo_bulk_transfer(mid, HG_BULK_PULL, hgi->addr, in.b, 0,
			      lbh, 0, sz);
    assert(!ret);

    printf("  added %s\n", rec_list[rec_ct].addr);
    rec_ct++;

    out.ret = 0;
    ret = margo_respond(mid, h, &out);
    assert(!ret);

    ret = HG_Destroy(h);
    assert(ret == HG_SUCCESS);

    return;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_posix_close, handle)
{
    hg_return_t ret = HG_SUCCESS;

    close_in_t in_struct;
    close_out_t out_struct;

    int fd;
    int close_ret;

    /* Get input struct */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input struct\n");
        return ret;
    }

    fd = in_struct.fd;

    /* Call close */
    printf("Calling close with fd: %d\n", fd);
    close_ret = close(fd);

    /* Fill output structure */
    out_struct.ret = close_ret;

    /* Send response back */
    ret = HG_Respond(handle, NULL, NULL, &out_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not respond\n");
        return ret;
    }

    HG_Free_input(handle, &in_struct);
    HG_Destroy(handle);

    return ret;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_posix_read, handle)
{
    hg_return_t ret = HG_SUCCESS;

    struct hg_info *hg_info = NULL;
    hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
    hg_bulk_t local_bulk_handle = HG_BULK_NULL;
    struct hg_test_bulk_args *bulk_args = NULL;
    bulk_write_in_t in_struct;

    void *buf;
    ssize_t read_ret;

    /* for debug */
    int i;
    const int *buf_ptr;

    bulk_args = (struct hg_test_bulk_args *) malloc(
            sizeof(struct hg_test_bulk_args));

    /* Keep handle to pass to callback */
    bulk_args->handle = handle;

    /* Get info from handle */
    hg_info = HG_Get_info(handle);

    /* Get input struct */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input struct\n");
        return ret;
    }

    origin_bulk_handle = in_struct.bulk_handle;

    /* Create a new block handle to read the data */
    bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
    bulk_args->fildes = in_struct.fildes;

    /* Create a new bulk handle to read the data */
    HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
            HG_BULK_READ_ONLY, &local_bulk_handle);

    /* Call bulk_write */
    HG_Bulk_access(local_bulk_handle, 0, bulk_args->nbytes, HG_BULK_READWRITE,
            1, &buf, NULL, NULL);

    printf("Calling read with fd: %d\n", in_struct.fildes);
    read_ret = read(in_struct.fildes, buf, bulk_args->nbytes);

    /* Check bulk buf */
    buf_ptr = (const int*) buf;
    for (i = 0; i < (int)(bulk_args->nbytes / sizeof(int)); i++) {
        if (buf_ptr[i] != i) {
            printf("Error detected after read, buf[%d] = %d, was expecting %d!\n", i, buf_ptr[i], i);
            break;
        }
    }

    /* Fill output structure */
    bulk_args->ret = read_ret;

    /* Push bulk data */
    ret = HG_Bulk_transfer(hg_info->context, hg_test_posix_read_transfer_cb,
            bulk_args, HG_BULK_PUSH, hg_info->addr, origin_bulk_handle, 0,
            local_bulk_handle, 0, bulk_args->nbytes, HG_OP_ID_IGNORE);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not read bulk data\n");
        return ret;
    }

    HG_Free_input(handle, &in_struct);
    return ret;
}
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_bulk_seg_write, handle)
{
    struct hg_info *hg_info = NULL;
    hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
    hg_bulk_t local_bulk_handle = HG_BULK_NULL;
    struct hg_test_bulk_args *bulk_args = NULL;
    size_t nbytes_read;
    size_t offset;
    hg_return_t ret = HG_SUCCESS;
    bulk_write_in_t in_struct;

    bulk_args = (struct hg_test_bulk_args *) malloc(
            sizeof(struct hg_test_bulk_args));

    /* Keep handle to pass to callback */
    bulk_args->handle = handle;

    /* Get info from handle */
    hg_info = HG_Get_info(handle);

    /* Get input parameters and data */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input\n");
        return ret;
    }

    /* Get parameters */
    origin_bulk_handle = in_struct.bulk_handle;
    hg_atomic_set32(&bulk_args->completed_transfers, 0);

    /* Create a new block handle to read the data */
    bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
    bulk_args->fildes = in_struct.fildes;

    /* For testing purposes try to read the data in two blocks of different sizes */
    nbytes_read = bulk_args->nbytes / 2 + 16;

    printf("Start reading first chunk of %lu bytes...\n", nbytes_read);

    /* Create a new bulk handle to read the data */
    HG_Bulk_create(hg_info->hg_class, 1, NULL, (hg_size_t *) &bulk_args->nbytes,
            HG_BULK_READWRITE, &local_bulk_handle);

    /* Pull bulk data */
    ret = HG_Bulk_transfer(hg_info->context, hg_test_bulk_seg_transfer_cb,
            bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
            local_bulk_handle, 0, nbytes_read, HG_OP_ID_IGNORE);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not read bulk data\n");
        return ret;
    }

    offset = nbytes_read;
    nbytes_read = bulk_args->nbytes - nbytes_read;

    printf("Start reading second chunk of %lu bytes...\n", nbytes_read);

    ret = HG_Bulk_transfer(hg_info->context, hg_test_bulk_seg_transfer_cb,
            bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, offset,
            local_bulk_handle, offset, nbytes_read, HG_OP_ID_IGNORE);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not read bulk data\n");
        return ret;
    }

    HG_Free_input(handle, &in_struct);
    return ret;
}
Exemple #10
0
/*---------------------------------------------------------------------------*/
HG_TEST_RPC_CB(hg_test_perf_bulk, handle)
{
    hg_return_t ret = HG_SUCCESS;

    struct hg_info *hg_info = NULL;
    hg_bulk_t origin_bulk_handle = HG_BULK_NULL;
    hg_bulk_t local_bulk_handle = HG_BULK_NULL;
    struct hg_test_bulk_args *bulk_args = NULL;
    bulk_write_in_t in_struct;

    bulk_args = (struct hg_test_bulk_args *) malloc(
            sizeof(struct hg_test_bulk_args));

    /* Keep handle to pass to callback */
    bulk_args->handle = handle;

    /* Get info from handle */
    hg_info = HG_Get_info(handle);

    /* Get input struct */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not get input struct\n");
        return ret;
    }

    origin_bulk_handle = in_struct.bulk_handle;
    hg_atomic_set32(&bulk_args->completed_transfers, 0);

    /* Create a new block handle to read the data */
    bulk_args->nbytes = HG_Bulk_get_size(origin_bulk_handle);
    bulk_args->fildes = in_struct.fildes;

#ifdef MERCURY_TESTING_USE_LOCAL_BULK
    /* Create a new bulk handle to read the data */
    HG_Bulk_create(hg_info->hg_class, 1, NULL, &bulk_args->nbytes,
            HG_BULK_READWRITE, &local_bulk_handle);
#else
#ifdef MERCURY_TESTING_HAS_THREAD_POOL
    hg_thread_mutex_lock(&hg_test_local_bulk_handle_mutex_g);
#endif
    local_bulk_handle = hg_test_local_bulk_handle_g;
#endif

    /* Pull bulk data */
    ret = HG_Bulk_transfer(hg_info->context, hg_test_perf_bulk_transfer_cb,
            bulk_args, HG_BULK_PULL, hg_info->addr, origin_bulk_handle, 0,
            local_bulk_handle, 0, bulk_args->nbytes, HG_OP_ID_IGNORE);
    if (ret != HG_SUCCESS) {
        fprintf(stderr, "Could not read bulk data\n");
        return ret;
    }

#ifndef MERCURY_TESTING_USE_LOCAL_BULK
#ifdef MERCURY_TESTING_HAS_THREAD_POOL
    hg_thread_mutex_unlock(&hg_test_local_bulk_handle_mutex_g);
#endif
#endif

    HG_Free_input(handle, &in_struct);
    return ret;
}
Exemple #11
0
/*---------------------------------------------------------------------------*/
static hg_return_t
hg_test_drc_grant_cb(hg_handle_t handle)
{
    const struct hg_info *hg_info = NULL;
    struct hg_test_info *hg_test_info = NULL;
    hg_test_drc_grant_in_t in_struct;
    hg_test_drc_grant_out_t out_struct;
    hg_return_t ret = HG_SUCCESS;
#ifdef HG_TEST_DRC_USE_TOKEN
    hg_string_t token;
#endif
#ifndef HG_TEST_DRC_IGNORE
    int rc;
#endif

    /* Get info from handle */
    hg_info = HG_Get_info(handle);

    /* Get test info */
    hg_test_info = (struct hg_test_info *) HG_Class_get_data(hg_info->hg_class);

    /* Get input buffer */
    ret = HG_Get_input(handle, &in_struct);
    if (ret != HG_SUCCESS) {
        HG_LOG_ERROR("Could not get input");
        goto done;
    }

    /* Get parameters */
    hg_test_info->wlm_id = in_struct.wlm_id;

    /* Grant access to another job */
    printf("# Granting access to wlm_id %u...\n", hg_test_info->wlm_id);
    fflush(stdout);
#ifndef HG_TEST_DRC_IGNORE
drc_grant_again:
    rc = drc_grant(hg_test_info->credential, hg_test_info->wlm_id,
        DRC_FLAGS_TARGET_WLM);
    if (rc != DRC_SUCCESS && rc != -DRC_ALREADY_GRANTED) {
        if (rc == -DRC_EINVAL) {
            sleep(1);
            goto drc_grant_again;
        }
        HG_LOG_ERROR("drc_grant() to %d failed (%d, %s)", hg_test_info->wlm_id,
            rc, drc_strerror(-rc));
        ret = HG_PROTOCOL_ERROR;
        goto done;
    }
#endif

#ifdef HG_TEST_DRC_USE_TOKEN
    /* Get the token to pass around to processes in other job */
#ifndef HG_TEST_DRC_IGNORE
    rc = drc_get_credential_token(hg_test_info->credential, &token);
    if (rc != DRC_SUCCESS) {
        HG_LOG_ERROR("drc_get_credential_token() failed (%d, %s)", rc,
            drc_strerror(-rc));
        ret = HG_PROTOCOL_ERROR;
        goto done;
    }
#else
    token = "my_test_token";
#endif

    /* Fill output structure */
    printf("# Access granted, token is %s\n", token);
    fflush(stdout);
    out_struct.token = token;
#else
    out_struct.credential = hg_test_info->credential;
#endif

    /* Free handle and send response back */
    ret = HG_Respond(handle, NULL, NULL, &out_struct);
    if (ret != HG_SUCCESS) {
        HG_LOG_ERROR("Could not respond");
        goto done;
    }

    HG_Free_input(handle, &in_struct);
    HG_Destroy(handle);

done:
    return ret;
}