Esempio n. 1
0
HYD_status HYDU_str_alloc_and_join(char **strlist, char **strjoin)
{
    int len = 0, i, count;
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    for (i = 0; strlist[i] != NULL; i++) {
        len += strlen(strlist[i]);
    }

    HYDU_MALLOC(*strjoin, char *, len + 1, status);
    count = 0;
    (*strjoin)[0] = 0;

    for (i = 0; strlist[i] != NULL; i++) {
        HYDU_snprintf(*strjoin + count, len - count + 1, "%s", strlist[i]);
        count += strlen(strlist[i]);
    }

  fn_exit:
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 2
0
char *HYDU_size_t_to_str(size_t x)
{
    int len = 1, i;
    size_t max = 10;
    char *str = NULL;
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    while (x >= max) {
        len++;
        max *= 10;
    }
    len++;

    HYDU_MALLOC(str, char *, len, status);
    HYDU_ERR_POP(status, "unable to allocate memory\n");

    for (i = 0; i < len; i++)
        str[i] = '0';

    HYDU_snprintf(str, len, "%llu", (unsigned long long) x);

  fn_exit:
    HYDU_FUNC_EXIT();
    return str;

  fn_fail:
    goto fn_exit;
}
Esempio n. 3
0
static HYD_status pmi_kvsname_fn(char *arg, char ***argv)
{
    HYDU_snprintf(HYD_pmcd_pmip.local.kvs->kvsname, PMI_MAXKVSLEN, "%s", **argv);
    (*argv)++;

    return HYD_SUCCESS;
}
Esempio n. 4
0
HYD_status HYD_pmcd_pmi_add_kvs(const char *key, char *val, struct HYD_pmcd_pmi_kvs *kvs,
                                int *ret)
{
    struct HYD_pmcd_pmi_kvs_pair *key_pair, *run;
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    HYDU_MALLOC(key_pair, struct HYD_pmcd_pmi_kvs_pair *, sizeof(struct HYD_pmcd_pmi_kvs_pair),
                status);
    HYDU_snprintf(key_pair->key, PMI_MAXKEYLEN, "%s", key);
    HYDU_snprintf(key_pair->val, PMI_MAXVALLEN, "%s", val);
    key_pair->next = NULL;

    *ret = 0;

    if (kvs->key_pair == NULL) {
        kvs->key_pair = key_pair;
    }
    else {
        run = kvs->key_pair;
        while (run->next) {
            if (!strcmp(run->key, key_pair->key)) {
                /* duplicate key found */
                *ret = -1;
                break;
            }
            run = run->next;
        }
        run->next = key_pair;
    }

  fn_exit:
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 5
0
static HYD_status pmi_spawner_kvsname_fn(char *arg, char ***argv)
{
    HYD_status status = HYD_SUCCESS;

    HYDU_MALLOC(HYD_pmcd_pmip.local.spawner_kvsname, char *, PMI_MAXKVSLEN, status);

    HYDU_snprintf(HYD_pmcd_pmip.local.spawner_kvsname, PMI_MAXKVSLEN, "%s", **argv);
    (*argv)++;

  fn_exit:
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 6
0
HYD_status HYD_pmcd_pmi_allocate_kvs(struct HYD_pmcd_pmi_kvs ** kvs, int pgid)
{
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    HYDU_MALLOC(*kvs, struct HYD_pmcd_pmi_kvs *, sizeof(struct HYD_pmcd_pmi_kvs), status);
    HYDU_snprintf((*kvs)->kvs_name, PMI_MAXKVSLEN, "kvs_%d_%d", (int) getpid(), pgid);
    (*kvs)->key_pair = NULL;

  fn_exit:
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 7
0
char *HYDU_int_to_str_pad(int x, int maxlen)
{
    int len = 1, max = 10, y;
    int actual_len, i;
    char *str = NULL;
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    if (x < 0) {
        len++;
        y = -x;
    }
    else
        y = x;

    while (y >= max) {
        len++;
        max *= 10;
    }

    if (len > maxlen)
        actual_len = len + 1;
    else
        actual_len = maxlen + 1;

    HYDU_MALLOC(str, char *, actual_len, status);
    HYDU_ERR_POP(status, "unable to allocate memory\n");

    for (i = 0; i < actual_len; i++)
        str[i] = '0';

    HYDU_snprintf(str + actual_len - len - 1, len + 1, "%d", x);

  fn_exit:
    HYDU_FUNC_EXIT();
    return str;

  fn_fail:
    goto fn_exit;
}
Esempio n. 8
0
static HYD_status cmd_response(int fd, int pid, char *cmd)
{
    char cmdlen[7];
    struct HYD_pmcd_hdr hdr;
    int sent, closed;
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    HYD_pmcd_init_header(&hdr);
    hdr.cmd = PMI_RESPONSE;
    hdr.pid = pid;
    hdr.pmi_version = 2;
    hdr.buflen = 6 + strlen(cmd);
    status = HYDU_sock_write(fd, &hdr, sizeof(hdr), &sent, &closed, HYDU_SOCK_COMM_MSGWAIT);
    HYDU_ERR_POP(status, "unable to send PMI_RESPONSE header to proxy\n");
    HYDU_ASSERT(!closed, status);

    HYDU_snprintf(cmdlen, 7, "%6u", (unsigned) strlen(cmd));
    status = HYDU_sock_write(fd, cmdlen, 6, &sent, &closed, HYDU_SOCK_COMM_MSGWAIT);
    HYDU_ERR_POP(status, "error writing PMI line\n");
    HYDU_ASSERT(!closed, status);

    if (HYD_server_info.user_global.debug) {
        HYDU_dump(stdout, "PMI response to fd %d pid %d: %s\n", fd, pid, cmd);
    }

    status = HYDU_sock_write(fd, cmd, strlen(cmd), &sent, &closed, HYDU_SOCK_COMM_MSGWAIT);
    HYDU_ERR_POP(status, "error writing PMI line\n");
    HYDU_ASSERT(!closed, status);

  fn_exit:
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 9
0
HYD_status HYDT_bscd_ll_launch_procs(char **args, struct HYD_proxy *proxy_list,
                                     int *control_fd)
{
    int idx, i, total_procs, node_count;
    int *pid, *fd_list, exec_idx;
    char *targs[HYD_NUM_TMP_STRINGS], *node_list_str = NULL;
    char *path = NULL, *extra_arg_list = NULL, *extra_arg, quoted_exec_string[HYD_TMP_STRLEN];
    struct HYD_proxy *proxy;
    struct HYDT_topo_cpuset_t cpuset;
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    /* We use the following priority order for the executable path:
     * (1) user-specified; (2) search in path; (3) Hard-coded
     * location */
    if (HYDT_bsci_info.launcher_exec)
        path = HYDU_strdup(HYDT_bsci_info.launcher_exec);
    if (!path)
        path = HYDU_find_full_path("poe");
    if (!path)
        path = HYDU_strdup("/usr/bin/poe");

    idx = 0;
    targs[idx++] = HYDU_strdup(path);

    if (!strcmp(HYDT_bsci_info.rmk, "ll")) {
        HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR,
                            "ll does not support user-defined host lists\n");
    }

    /* Check how many nodes are being passed for the launch */
    status = HYDTI_bscd_ll_query_node_count(&total_procs);
    HYDU_ERR_POP(status, "unable to query for the node count\n");

    node_count = 0;
    for (proxy = proxy_list; proxy; proxy = proxy->next)
        node_count++;

    if (total_procs != node_count)
        HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR,
                            "processes to be launched have to cover all nodes\n");


    MPL_env2str("HYDRA_LAUNCHER_EXTRA_ARGS", (const char **) &extra_arg_list);
    if (extra_arg_list) {
        extra_arg = strtok(extra_arg_list, " ");
        while (extra_arg) {
            targs[idx++] = HYDU_strdup(extra_arg);
            extra_arg = strtok(NULL, " ");
        }
    }

    /* Fill in the remaining arguments */
    exec_idx = idx;
    for (i = 0; args[i]; i++)
        targs[idx++] = HYDU_strdup(args[i]);

    /* Create a quoted version of the exec string, which is only used
     * when the executable is not launched directly, but through an
     * actual launcher */
    HYDU_snprintf(quoted_exec_string, HYD_TMP_STRLEN, "\"%s\"", targs[exec_idx]);
    HYDU_FREE(targs[exec_idx]);
    targs[exec_idx] = quoted_exec_string;

    /* Increase pid list to accommodate the new pid */
    HYDU_MALLOC(pid, int *, (HYD_bscu_pid_count + 1) * sizeof(int), status);
    for (i = 0; i < HYD_bscu_pid_count; i++)
        pid[i] = HYD_bscu_pid_list[i];
    HYDU_FREE(HYD_bscu_pid_list);
    HYD_bscu_pid_list = pid;

    /* Increase fd list to accommodate these new fds */
    HYDU_MALLOC(fd_list, int *, (HYD_bscu_fd_count + 3) * sizeof(int), status);
    for (i = 0; i < HYD_bscu_fd_count; i++)
        fd_list[i] = HYD_bscu_fd_list[i];
    HYDU_FREE(HYD_bscu_fd_list);
    HYD_bscu_fd_list = fd_list;

    /* append proxy ID as -1 */
    targs[idx++] = HYDU_int_to_str(-1);
    targs[idx++] = NULL;

    HYDT_topo_cpuset_zero(&cpuset);
    status = HYDU_create_process(targs, NULL, NULL, &fd_stdout, &fd_stderr,
                                 &HYD_bscu_pid_list[HYD_bscu_pid_count++], cpuset);
    HYDU_ERR_POP(status, "create process returned error\n");

    HYD_bscu_fd_list[HYD_bscu_fd_count++] = fd_stdout;
    HYD_bscu_fd_list[HYD_bscu_fd_count++] = fd_stderr;

    status = HYDT_dmx_register_fd(1, &fd_stdout, HYD_POLLIN,
                                  (void *) (size_t) STDOUT_FILENO, HYDT_bscu_stdio_cb);
    HYDU_ERR_POP(status, "demux returned error registering fd\n");

    status = HYDT_dmx_register_fd(1, &fd_stderr, HYD_POLLIN,
                                  (void *) (size_t) STDERR_FILENO, HYDT_bscu_stdio_cb);
    HYDU_ERR_POP(status, "demux returned error registering fd\n");

  fn_exit:
    if (node_list_str)
        HYDU_FREE(node_list_str);
    HYDU_free_strlist(targs);
    if (path)
        HYDU_FREE(path);
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 10
0
static HYD_status fn_spawn(int fd, int pid, int pgid, char *args[])
{
    struct HYD_pg *pg;
    struct HYD_pmcd_pmi_pg_scratch *pg_scratch;
    struct HYD_proxy *proxy;
    struct HYD_pmcd_token *tokens;
    struct HYD_exec *exec_list = NULL, *exec;
    struct HYD_env *env;
    struct HYD_node *node;

    char key[PMI_MAXKEYLEN], *val;
    int nprocs, preput_num, info_num, ret;
    char *execname, *path = NULL;

    struct HYD_pmcd_token_segment *segment_list = NULL;

    int token_count, i, j, k, new_pgid, total_spawns;
    int argcnt, num_segments;
    char *control_port, *proxy_args[HYD_NUM_TMP_STRINGS] = { NULL };
    char *tmp[HYD_NUM_TMP_STRINGS];
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    for (i = 0; args[i]; i++)
        mcmd_args[mcmd_num_args++] = HYDU_strdup(args[i]);
    mcmd_args[mcmd_num_args] = NULL;

    status = HYD_pmcd_pmi_args_to_tokens(mcmd_args, &tokens, &token_count);
    HYDU_ERR_POP(status, "unable to convert args to tokens\n");


    /* Here's the order of things we do:
     *
     *   1. Break the token list into multiple segments, each segment
     *      corresponding to a command. Each command represents
     *      information for one executable.
     *
     *   2. Allocate a process group for the new set of spawned
     *      processes
     *
     *   3. Get all the common keys and deal with them
     *
     *   4. Create an executable list based on the segments.
     *
     *   5. Create a proxy list using the created executable list and
     *      spawn it.
     */

    /* Break the token list into multiple segments and create an
     * executable list based on the segments. */
    val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, "totspawns");
    HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                        "unable to find token: totspawns\n");
    total_spawns = atoi(val);

    HYDU_MALLOC(segment_list, struct HYD_pmcd_token_segment *,
                total_spawns * sizeof(struct HYD_pmcd_token_segment), status);

    segment_tokens(tokens, token_count, segment_list, &num_segments);

    if (num_segments != total_spawns) {
        /* We didn't read the entire PMI string; wait for the rest to
         * arrive */
        goto fn_exit;
    }
    else {
        /* Got the entire PMI string; free the arguments and reset */
        HYDU_free_strlist(mcmd_args);
        mcmd_num_args = 0;
    }

    /* Allocate a new process group */
    for (pg = &HYD_server_info.pg_list; pg->next; pg = pg->next);
    new_pgid = pg->pgid + 1;

    status = HYDU_alloc_pg(&pg->next, new_pgid);
    HYDU_ERR_POP(status, "unable to allocate process group\n");

    pg = pg->next;

    proxy = HYD_pmcd_pmi_find_proxy(fd);
    HYDU_ASSERT(proxy, status);

    pg->spawner_pg = proxy->pg;

    for (j = 0; j < total_spawns; j++) {
        /* For each segment, we create an exec structure */
        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "nprocs");
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: nprocs\n");
        nprocs = atoi(val);
        pg->pg_process_count += nprocs;

        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "argcnt");
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: argcnt\n");
        argcnt = atoi(val);

        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "info_num");
        if (val)
            info_num = atoi(val);
        else
            info_num = 0;

        if (exec_list == NULL) {
            status = HYDU_alloc_exec(&exec_list);
            HYDU_ERR_POP(status, "unable to allocate exec\n");
            exec_list->appnum = 0;
            exec = exec_list;
        }
        else {
            for (exec = exec_list; exec->next; exec = exec->next);
            status = HYDU_alloc_exec(&exec->next);
            HYDU_ERR_POP(status, "unable to allocate exec\n");
            exec->next->appnum = exec->appnum + 1;
            exec = exec->next;
        }

        /* Info keys */
        for (i = 0; i < info_num; i++) {
            char *info_key, *info_val;

            HYDU_snprintf(key, PMI_MAXKEYLEN, "info_key_%d", i);
            val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                                 segment_list[j].token_count, key);
            HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                                "unable to find token: %s\n", key);
            info_key = val;

            HYDU_snprintf(key, PMI_MAXKEYLEN, "info_val_%d", i);
            val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                                 segment_list[j].token_count, key);
            HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                                "unable to find token: %s\n", key);
            info_val = val;

            if (!strcmp(info_key, "path")) {
                path = HYDU_strdup(info_val);
            }
            else if (!strcmp(info_key, "wdir")) {
                exec->wdir = HYDU_strdup(info_val);
            }
            else if (!strcmp(info_key, "host")) {
                status = HYDU_process_mfile_token(info_val, 1, &pg->user_node_list);
                HYDU_ERR_POP(status, "error create node list\n");
            }
            else if (!strcmp(info_key, "hostfile")) {
                status =
                    HYDU_parse_hostfile(info_val, &pg->user_node_list, HYDU_process_mfile_token);
                HYDU_ERR_POP(status, "error parsing hostfile\n");
            }
            else {
                /* Unrecognized info key; ignore */
            }
        }

        status = HYDU_correct_wdir(&exec->wdir);
        HYDU_ERR_POP(status, "unable to correct wdir\n");

        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "execname");
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: execname\n");
        if (path == NULL)
            execname = HYDU_strdup(val);
        else {
            i = 0;
            tmp[i++] = HYDU_strdup(path);
            tmp[i++] = HYDU_strdup("/");
            tmp[i++] = HYDU_strdup(val);
            tmp[i++] = NULL;

            status = HYDU_str_alloc_and_join(tmp, &execname);
            HYDU_ERR_POP(status, "error while joining strings\n");
            HYDU_free_strlist(tmp);
        }

        i = 0;
        exec->exec[i++] = execname;
        for (k = 0; k < argcnt; k++) {
            HYDU_snprintf(key, PMI_MAXKEYLEN, "arg%d", k + 1);
            val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                                 segment_list[j].token_count, key);
            HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                                "unable to find token: %s\n", key);
            exec->exec[i++] = HYDU_strdup(val);
        }
        exec->exec[i++] = NULL;

        exec->proc_count = nprocs;

        /* It is not clear what kind of environment needs to get
         * passed to the spawned process. Don't set anything here, and
         * let the proxy do whatever it does by default. */
        exec->env_prop = NULL;

        status = HYDU_env_create(&env, "PMI_SPAWNED", "1");
        HYDU_ERR_POP(status, "unable to create PMI_SPAWNED environment\n");
        exec->user_env = env;
    }

    status = HYD_pmcd_pmi_alloc_pg_scratch(pg);
    HYDU_ERR_POP(status, "unable to allocate pg scratch space\n");

    if (pg->user_node_list) {
        pg->pg_core_count = 0;
        for (i = 0, node = pg->user_node_list; node; node = node->next, i++) {
            pg->pg_core_count += node->core_count;
            node->node_id = i;
        }
    }
    else {
        pg->pg_core_count = HYD_server_info.pg_list.pg_core_count;
    }

    pg->pg_process_count = 0;
    for (exec = exec_list; exec; exec = exec->next)
        pg->pg_process_count += exec->proc_count;

    pg_scratch = (struct HYD_pmcd_pmi_pg_scratch *) pg->pg_scratch;

    /* Get the common keys and deal with them */
    val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, "preput_num");
    if (val)
        preput_num = atoi(val);
    else
        preput_num = 0;

    for (i = 0; i < preput_num; i++) {
        char *preput_key, *preput_val;

        HYDU_snprintf(key, PMI_MAXKEYLEN, "preput_key_%d", i);
        val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, key);
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: %s\n", key);
        preput_key = val;

        HYDU_snprintf(key, PMI_MAXKEYLEN, "preput_val_%d", i);
        val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, key);
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: %s\n", key);
        preput_val = val;

        status = HYD_pmcd_pmi_add_kvs(preput_key, preput_val, pg_scratch->kvs, &ret);
        HYDU_ERR_POP(status, "unable to add keypair to kvs\n");
    }

    /* Create the proxy list */
    if (pg->user_node_list) {
        status = HYDU_create_proxy_list(exec_list, pg->user_node_list, pg);
        HYDU_ERR_POP(status, "error creating proxy list\n");
    }
    else {
        status = HYDU_create_proxy_list(exec_list, HYD_server_info.node_list, pg);
        HYDU_ERR_POP(status, "error creating proxy list\n");
    }
    HYDU_free_exec_list(exec_list);

    status = HYDU_sock_create_and_listen_portstr(HYD_server_info.user_global.iface,
                                                 HYD_server_info.local_hostname,
                                                 HYD_server_info.port_range, &control_port,
                                                 HYD_pmcd_pmiserv_control_listen_cb,
                                                 (void *) (size_t) new_pgid);
    HYDU_ERR_POP(status, "unable to create PMI port\n");
    if (HYD_server_info.user_global.debug)
        HYDU_dump(stdout, "Got a control port string of %s\n", control_port);

    /* Go to the last PG */
    for (pg = &HYD_server_info.pg_list; pg->next; pg = pg->next);

    status = HYD_pmcd_pmi_fill_in_proxy_args(proxy_args, control_port, new_pgid);
    HYDU_ERR_POP(status, "unable to fill in proxy arguments\n");
    HYDU_FREE(control_port);

    status = HYD_pmcd_pmi_fill_in_exec_launch_info(pg);
    HYDU_ERR_POP(status, "unable to fill in executable arguments\n");

    status = HYDT_bsci_launch_procs(proxy_args, pg->proxy_list, NULL);
    HYDU_ERR_POP(status, "launcher cannot launch processes\n");

    {
        char *cmd_str[HYD_NUM_TMP_STRINGS], *cmd;

        i = 0;
        cmd_str[i++] = HYDU_strdup("cmd=spawn_result rc=0");
        cmd_str[i++] = HYDU_strdup("\n");
        cmd_str[i++] = NULL;

        status = HYDU_str_alloc_and_join(cmd_str, &cmd);
        HYDU_ERR_POP(status, "unable to join strings\n");
        HYDU_free_strlist(cmd_str);

        status = cmd_response(fd, pid, cmd);
        HYDU_ERR_POP(status, "error writing PMI line\n");
        HYDU_FREE(cmd);
    }

  fn_exit:
    HYD_pmcd_pmi_free_tokens(tokens, token_count);
    HYDU_free_strlist(proxy_args);
    if (segment_list)
        HYDU_FREE(segment_list);
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 11
0
static HYD_status fn_spawn(int fd, int pid, int pgid, char *args[])
{
    struct HYD_pg *pg;
    struct HYD_pmcd_pmi_pg_scratch *pg_scratch;
    struct HYD_proxy *proxy;
    struct HYD_pmcd_token *tokens;
    struct HYD_exec *exec_list = NULL, *exec;
    struct HYD_env *env;
    struct HYD_node *node;

    char *thrid;
    char key[PMI_MAXKEYLEN], *val;
    int maxprocs, preputcount, infokeycount, ret;
    int ncmds;
    char *execname, *path = NULL;

    struct HYD_pmcd_token_segment *segment_list = NULL;

    int token_count, i, j, k, new_pgid;
    int argcnt, num_segments;
    struct HYD_string_stash proxy_stash;
    char *control_port;
    struct HYD_string_stash stash;
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    status = HYD_pmcd_pmi_args_to_tokens(args, &tokens, &token_count);
    HYDU_ERR_POP(status, "unable to convert args to tokens\n");

    thrid = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, "thrid");


    /* Here's the order of things we do:
     *
     *   1. Break the token list into multiple segments, each segment
     *      corresponding to a command. Each command represents
     *      information for one executable.
     *
     *   2. Allocate a process group for the new set of spawned
     *      processes
     *
     *   3. Get all the common keys and deal with them
     *
     *   4. Create an executable list based on the segments.
     *
     *   5. Create a proxy list using the created executable list and
     *      spawn it.
     */

    val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, "ncmds");
    HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR, "unable to find token: ncmds\n");
    ncmds = atoi(val);

    HYDU_MALLOC(segment_list, struct HYD_pmcd_token_segment *,
                (ncmds + 1) * sizeof(struct HYD_pmcd_token_segment), status);
    segment_tokens(tokens, token_count, segment_list, &num_segments);
    HYDU_ASSERT((ncmds + 1) == num_segments, status);


    /* Allocate a new process group */
    for (pg = &HYD_server_info.pg_list; pg->next; pg = pg->next);
    new_pgid = pg->pgid + 1;

    status = HYDU_alloc_pg(&pg->next, new_pgid);
    HYDU_ERR_POP(status, "unable to allocate process group\n");

    pg = pg->next;

    proxy = HYD_pmcd_pmi_find_proxy(fd);
    HYDU_ASSERT(proxy, status);

    pg->spawner_pg = proxy->pg;

    for (j = 1; j <= ncmds; j++) {
        /* For each segment, we create an exec structure */
        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "maxprocs");
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: maxprocs\n");
        maxprocs = atoi(val);
        pg->pg_process_count += maxprocs;

        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "argc");
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: argc\n");
        argcnt = atoi(val);

        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "infokeycount");
        if (val)
            infokeycount = atoi(val);
        else
            infokeycount = 0;

        if (exec_list == NULL) {
            status = HYDU_alloc_exec(&exec_list);
            HYDU_ERR_POP(status, "unable to allocate exec\n");
            exec_list->appnum = 0;
            exec = exec_list;
        }
        else {
            for (exec = exec_list; exec->next; exec = exec->next);
            status = HYDU_alloc_exec(&exec->next);
            HYDU_ERR_POP(status, "unable to allocate exec\n");
            exec->next->appnum = exec->appnum + 1;
            exec = exec->next;
        }

        /* Info keys */
        for (i = 0; i < infokeycount; i++) {
            char *info_key, *info_val;

            HYDU_snprintf(key, PMI_MAXKEYLEN, "infokey%d", i);
            val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                                 segment_list[j].token_count, key);
            HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                                "unable to find token: %s\n", key);
            info_key = val;

            HYDU_snprintf(key, PMI_MAXKEYLEN, "infoval%d", i);
            val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                                 segment_list[j].token_count, key);
            HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                                "unable to find token: %s\n", key);
            info_val = val;

            if (!strcmp(info_key, "path")) {
                path = HYDU_strdup(info_val);
            }
            else if (!strcmp(info_key, "wdir")) {
                exec->wdir = HYDU_strdup(info_val);
            }
            else if (!strcmp(info_key, "host") || !strcmp(info_key, "hosts")) {
                char *host = strtok(info_val, ",");
                while (host) {
                    status = HYDU_process_mfile_token(host, 1, &pg->user_node_list);
                    HYDU_ERR_POP(status, "error creating node list\n");
                    host = strtok(NULL, ",");
                }
            }
            else if (!strcmp(info_key, "hostfile")) {
                status = HYDU_parse_hostfile(info_val, &pg->user_node_list,
                                             HYDU_process_mfile_token);
                HYDU_ERR_POP(status, "error parsing hostfile\n");
            }
            else {
                /* Unrecognized info key; ignore */
            }
        }

        status = HYDU_correct_wdir(&exec->wdir);
        HYDU_ERR_POP(status, "unable to correct wdir\n");

        val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                             segment_list[j].token_count, "subcmd");
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: subcmd\n");
        if (path == NULL)
            execname = HYDU_strdup(val);
        else {
            HYD_STRING_STASH_INIT(stash);
            HYD_STRING_STASH(stash, HYDU_strdup(path), status);
            HYD_STRING_STASH(stash, HYDU_strdup("/"), status);
            HYD_STRING_STASH(stash, HYDU_strdup(val), status);

            HYD_STRING_SPIT(stash, execname, status);
        }

        i = 0;
        exec->exec[i++] = execname;
        for (k = 0; k < argcnt; k++) {
            HYDU_snprintf(key, PMI_MAXKEYLEN, "argv%d", k);
            val = HYD_pmcd_pmi_find_token_keyval(&tokens[segment_list[j].start_idx],
                                                 segment_list[j].token_count, key);
            HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                                "unable to find token: %s\n", key);
            exec->exec[i++] = HYDU_strdup(val);
        }
        exec->exec[i++] = NULL;

        exec->proc_count = maxprocs;

        /* It is not clear what kind of environment needs to get
         * passed to the spawned process. Don't set anything here, and
         * let the proxy do whatever it does by default. */
        exec->env_prop = NULL;

        status = HYDU_env_create(&env, "PMI_SPAWNED", "1");
        HYDU_ERR_POP(status, "unable to create PMI_SPAWNED environment\n");
        exec->user_env = env;
    }

    status = HYD_pmcd_pmi_alloc_pg_scratch(pg);
    HYDU_ERR_POP(status, "unable to allocate pg scratch space\n");

    pg->pg_process_count = 0;
    for (exec = exec_list; exec; exec = exec->next)
        pg->pg_process_count += exec->proc_count;

    pg_scratch = (struct HYD_pmcd_pmi_pg_scratch *) pg->pg_scratch;

    /* Get the common keys and deal with them */
    val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, "preputcount");
    HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                        "unable to find token: preputcount\n");
    preputcount = atoi(val);

    for (i = 0; i < preputcount; i++) {
        char *preput_key, *preput_val;

        HYDU_snprintf(key, PMI_MAXKEYLEN, "ppkey%d", i);
        val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, key);
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: %s\n", key);
        preput_key = val;

        HYDU_snprintf(key, PMI_MAXKEYLEN, "ppval%d", i);
        val = HYD_pmcd_pmi_find_token_keyval(tokens, token_count, key);
        HYDU_ERR_CHKANDJUMP(status, val == NULL, HYD_INTERNAL_ERROR,
                            "unable to find token: %s\n", key);
        preput_val = val;

        status = HYD_pmcd_pmi_add_kvs(preput_key, preput_val, pg_scratch->kvs, &ret);
        HYDU_ERR_POP(status, "unable to add keypair to kvs\n");
    }

    /* Create the proxy list */
    if (pg->user_node_list) {
        status = HYDU_create_proxy_list(exec_list, pg->user_node_list, pg);
        HYDU_ERR_POP(status, "error creating proxy list\n");
    }
    else {
        status = HYDU_create_proxy_list(exec_list, HYD_server_info.node_list, pg);
        HYDU_ERR_POP(status, "error creating proxy list\n");
    }
    HYDU_free_exec_list(exec_list);

    if (pg->user_node_list) {
        pg->pg_core_count = 0;
        for (i = 0, node = pg->user_node_list; node; node = node->next, i++)
            pg->pg_core_count += node->core_count;
    }
    else {
        pg->pg_core_count = 0;
        for (proxy = pg->proxy_list; proxy; proxy = proxy->next)
            pg->pg_core_count += proxy->node->core_count;
    }

    status = HYDU_sock_create_and_listen_portstr(HYD_server_info.user_global.iface,
                                                 HYD_server_info.localhost,
                                                 HYD_server_info.port_range, &control_port,
                                                 HYD_pmcd_pmiserv_control_listen_cb,
                                                 (void *) (size_t) new_pgid);
    HYDU_ERR_POP(status, "unable to create PMI port\n");
    if (HYD_server_info.user_global.debug)
        HYDU_dump(stdout, "Got a control port string of %s\n", control_port);

    /* Go to the last PG */
    for (pg = &HYD_server_info.pg_list; pg->next; pg = pg->next);

    status = HYD_pmcd_pmi_fill_in_proxy_args(&proxy_stash, control_port, new_pgid);
    HYDU_ERR_POP(status, "unable to fill in proxy arguments\n");
    HYDU_FREE(control_port);

    status = HYD_pmcd_pmi_fill_in_exec_launch_info(pg);
    HYDU_ERR_POP(status, "unable to fill in executable arguments\n");

    status = HYDT_bsci_launch_procs(proxy_stash.strlist, pg->proxy_list, NULL);
    HYDU_ERR_POP(status, "launcher cannot launch processes\n");

    {
        char *cmd;

        HYD_STRING_STASH_INIT(stash);
        HYD_STRING_STASH(stash, HYDU_strdup("cmd=spawn-response;"), status);
        if (thrid) {
            HYD_STRING_STASH(stash, HYDU_strdup("thrid="), status);
            HYD_STRING_STASH(stash, HYDU_strdup(thrid), status);
            HYD_STRING_STASH(stash, HYDU_strdup(";"), status);
        }
        HYD_STRING_STASH(stash, HYDU_strdup("rc=0;"), status);
        HYD_STRING_STASH(stash, HYDU_strdup("jobid="), status);
        HYD_STRING_STASH(stash, HYDU_strdup(pg_scratch->kvs->kvsname), status);
        HYD_STRING_STASH(stash, HYDU_strdup(";"), status);
        HYD_STRING_STASH(stash, HYDU_strdup("nerrs=0;"), status);

        HYD_STRING_SPIT(stash, cmd, status);

        status = cmd_response(fd, pid, cmd);
        HYDU_ERR_POP(status, "send command failed\n");
        HYDU_FREE(cmd);
    }

  fn_exit:
    HYD_pmcd_pmi_free_tokens(tokens, token_count);
    HYD_STRING_STASH_FREE(proxy_stash);
    if (segment_list)
        HYDU_FREE(segment_list);
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}
Esempio n. 12
0
HYD_status HYD_pmcd_pmip_get_params(char **t_argv)
{
    char **argv = t_argv;
    static char dbg_prefix[2 * MAX_HOSTNAME_LEN];
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    argv++;
    do {
        /* Get the proxy arguments  */
        status = HYDU_parse_array(&argv, HYD_pmcd_pmip_match_table);
        HYDU_ERR_POP(status, "error parsing input array\n");

        /* No more arguments left */
        if (!(*argv))
            break;
    } while (1);

    /* Verify the arguments we got */
    if (HYD_pmcd_pmip.upstream.server_name == NULL)
        HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, "server name not available\n");

    if (HYD_pmcd_pmip.upstream.server_port == -1)
        HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, "server port not available\n");

    if (HYD_pmcd_pmip.user_global.demux == NULL)
        HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, "demux engine not available\n");

    if (HYD_pmcd_pmip.user_global.debug == -1)
        HYD_pmcd_pmip.user_global.debug = 0;

    status = HYDT_bsci_init(HYD_pmcd_pmip.user_global.rmk,
                            HYD_pmcd_pmip.user_global.launcher,
                            HYD_pmcd_pmip.user_global.launcher_exec,
                            0 /* disable x */ , HYD_pmcd_pmip.user_global.debug);
    HYDU_ERR_POP(status, "proxy unable to initialize bootstrap server\n");

    if (HYD_pmcd_pmip.local.id == -1) {
        /* We didn't get a proxy ID during launch; query the launcher
         * for it. */
        status = HYDT_bsci_query_proxy_id(&HYD_pmcd_pmip.local.id);
        HYDU_ERR_POP(status, "unable to query launcher for proxy ID\n");
    }

    if (HYD_pmcd_pmip.local.id == -1)
        HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, "proxy ID not available\n");

    if (HYD_pmcd_pmip.local.pgid == -1)
        HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, "PG ID not available\n");

    if (HYD_pmcd_pmip.local.retries == -1)
        HYD_pmcd_pmip.local.retries = 0;

    HYDU_dbg_finalize();
    HYDU_snprintf(dbg_prefix, 2 * MAX_HOSTNAME_LEN, "proxy:%d:%d",
                  HYD_pmcd_pmip.local.pgid, HYD_pmcd_pmip.local.id);
    status = HYDU_dbg_init((const char *) dbg_prefix);
    HYDU_ERR_POP(status, "unable to initialization debugging\n");

  fn_exit:
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}