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default-mfd-top.m2c	4.24 KB	-rw-r--r--
details-enums.m2i	2.59 KB	-rw-r--r--
details-node.m2i	3.35 KB	-rw-r--r--
details-table.m2i	999 B	-rw-r--r--
generic-ctx-copy.m2i	1007 B	-rw-r--r--
generic-ctx-get.m2i	3.47 KB	-rw-r--r--
generic-ctx-set.m2i	1007 B	-rw-r--r--
generic-data-allocate.m2i	1.59 KB	-rw-r--r--
generic-data-context.m2i	1.49 KB	-rw-r--r--
generic-get-U64.m2i	517 B	-rw-r--r--
generic-get-char.m2i	1.58 KB	-rw-r--r--
generic-get-decl-bot.m2i	760 B	-rw-r--r--
generic-get-decl.m2i	1.41 KB	-rw-r--r--
generic-get-long.m2i	519 B	-rw-r--r--
generic-get-oid.m2i	597 B	-rw-r--r--
generic-header-bottom.m2i	586 B	-rw-r--r--
generic-header-top.m2i	605 B	-rw-r--r--
generic-source-includes.m2i	794 B	-rw-r--r--
generic-table-constants.m2c	1.43 KB	-rw-r--r--
generic-table-enums.m2c	1.79 KB	-rw-r--r--
generic-table-indexes-from-oid...	2.14 KB	-rw-r--r--
generic-table-indexes-set.m2i	3.97 KB	-rw-r--r--
generic-table-indexes-to-oid.m...	1.61 KB	-rw-r--r--
generic-table-indexes-varbind-...	1.42 KB	-rw-r--r--
generic-table-indexes.m2i	2.17 KB	-rw-r--r--
generic-table-oids.m2c	3.43 KB	-rw-r--r--
generic-value-map-func.m2i	3.64 KB	-rw-r--r--
generic-value-map-reverse.m2i	1.49 KB	-rw-r--r--
generic-value-map.m2i	1.35 KB	-rw-r--r--
m2c-internal-warning.m2i	1.36 KB	-rw-r--r--
m2c_setup_enum.m2i	949 B	-rw-r--r--
m2c_setup_node.m2i	10.1 KB	-rw-r--r--
m2c_setup_table.m2i	1.62 KB	-rw-r--r--
m2c_table_save_defaults.m2i	4.37 KB	-rw-r--r--
mfd-access-container-cached-de...	17.68 KB	-rw-r--r--
mfd-access-unsorted-external-d...	40.09 KB	-rw-r--r--
mfd-data-access.m2c	10.31 KB	-rw-r--r--
mfd-data-get.m2c	4.87 KB	-rw-r--r--
mfd-data-set.m2c	4.72 KB	-rw-r--r--
mfd-doxygen.m2c	2.38 KB	-rw-r--r--
mfd-interactive-setup.m2c	11.79 KB	-rw-r--r--
mfd-interface.m2c	51.4 KB	-rw-r--r--
mfd-makefile.m2m	4.01 KB	-rw-r--r--
mfd-persistence.m2i	14.93 KB	-rw-r--r--
mfd-readme.m2c	29.72 KB	-rw-r--r--
mfd-top.m2c	16.96 KB	-rw-r--r--
node-get.m2i	3.6 KB	-rw-r--r--
node-set.m2i	7.52 KB	-rw-r--r--
node-storage.m2i	648 B	-rw-r--r--
node-validate.m2i	2.48 KB	-rw-r--r--
node-varbind-validate.m2i	2.02 KB	-rw-r--r--
parent-dependencies.m2i	1.89 KB	-rw-r--r--
parent-set.m2i	14.38 KB	-rw-r--r--
subagent.m2c	6.33 KB	-rw-r--r--
syntax-COUNTER64-get.m2i	1.13 KB	-rw-r--r--
syntax-DateAndTime-get.m2d	319 B	-rw-r--r--
syntax-DateAndTime-get.m2i	2.08 KB	-rw-r--r--
syntax-DateAndTime-readme.m2i	288 B	-rw-r--r--
syntax-InetAddress-get.m2i	2.89 KB	-rw-r--r--
syntax-InetAddress-set.m2i	852 B	-rw-r--r--
syntax-InetAddressType-get.m2i	980 B	-rw-r--r--
syntax-InetAddressType-set.m2i	938 B	-rw-r--r--
syntax-RowStatus-dependencies....	4.47 KB	-rw-r--r--
syntax-RowStatus-get.m2i	2.35 KB	-rw-r--r--
syntax-RowStatus-varbind-valid...	600 B	-rw-r--r--
syntax-StorageType-dependencie...	711 B	-rw-r--r--
syntax-TestAndIncr-get.m2i	753 B	-rw-r--r--

Code Editor : mfd-persistence.m2i

########################################################################
## generic include for XXX. Do not use directly.
########################################################################
@if $m2c_mark_boundary == 1@
/** START code generated by mfd-persistence.m2i */
@end@
########################################################################
@if $m2c_processing_type eq 'h'@
/* *********************************************************************
 * Persistent declarations
 */
/*
 * persistence
 */
#define LINE_TERM_CHAR '$'

void ${context}_container_init_persistence( netsnmp_container * container );
int ${context}_container_should_save(${context}_rowreq_ctx * rowreq_ctx);

@end@ // m2c_processing_type eq 'h'
######################################################################
######################################################################
######################################################################
@if $m2c_processing_type eq 'c'@
/************************************************************
 * the *_should_save routine is called to determine if a row
 * should be stored persistently.
 *
 * Note that this is not a 'dirty' check (i.e. if a row has changed),
 * but a check for volatile rows that should not be saved between
 * restarts.
 *
 * return 1 if the row should be stored
 * return 0 if the row should not be stored
 */
int
${context}_container_should_save(${context}_rowreq_ctx * rowreq_ctx)
{
@   foreach $node column@
@      if "$node.syntax" eq "StorageType"@
@         include m2c_setup_node.m2i@
    if (SNMP_STORAGE_VOLATILE == $m2c_ctx_rh    )
        return 0;
@       end@
@   end@
    
    return 1; /* save the row */
}

static int _${context}_container_save_rows(int majorID, int minorID, void *serverarg, void *clientarg);
static void _${context}_container_row_restore(const char *token, char *buf);
static int _${context}_container_row_save(
            ${context}_rowreq_ctx *rowreq_ctx,
            void *type);
static char * _${context}_container_col_restore(
            ${context}_rowreq_ctx *rowreq_ctx,
            u_int col, char* buf);
static char * _${context}_container_col_save(
            ${context}_rowreq_ctx *rowreq_ctx,
            u_int col, char* buf);

static char row_token[] = "${context}";

/************************************************************
 * *_init_persistence should be called from the main table
 * init routine.
 *
 * If your table depends on rows in another table,
 * you should register your callback after the other table,
 * which should ensure the rows on which you depend are saved
 * (and re-created) before the dependent rows.
 */
void
${context}_container_init_persistence( netsnmp_container * container )
{
    int rc;

register_config_handler(NULL, row_token,
                            _${context}_container_row_restore, NULL, NULL);
    rc = snmp_register_callback( SNMP_CALLBACK_LIBRARY,
                                     SNMP_CALLBACK_STORE_DATA,
                                     _${context}_container_save_rows,
                                     container);

if( rc != SNMP_ERR_NOERROR )
        snmp_log(LOG_ERR, "error registering for STORE_DATA callback "
                 "in _${context}_container_init_persistence\n");
}

static int
_${context}_container_save_rows(int majorID, int minorID, void *serverarg, void *clientarg)
{
    char sep[] =
        "##############################################################";
    char buf[] =
        "#\n"
        "# $context persistent data\n"
        "#";
    char *type = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, 
                                       NETSNMP_DS_LIB_APPTYPE);

read_config_store((char*)type, sep);
    read_config_store((char*)type, buf);

/*
     * save all rows
     */
    CONTAINER_FOR_EACH((netsnmp_container*)clientarg,
                       (netsnmp_container_obj_func*)_${context}_container_row_save,
                       type);

read_config_store((char*)type, sep);
    read_config_store((char*)type, "\n");

/*
     * never fails 
     */
    return SNMPERR_SUCCESS;
}

/************************************************************
 * _${context}_container_row_save
 */
static int
_${context}_container_row_save(
            ${context}_rowreq_ctx *rowreq_ctx,
            void *type)
{
    /*
     * Allocate space for a line with all data for a row. An
     * attempt is made to come up with a default maximum size, but
     * there is no guarantee it will be enough. It probably will be,
     * unless you are dealing with large values or you have external
     * indexes.
     *
     * 1) allocate space for each column. Comment out columns you don't
     * intend to save. You may also need to add room for any non-
     * column data you want to store. Remeber, data will be stored in
     * ASCII form, so you need to allow for that. Here are some
     * general guidelines:
     *
     *   Object ID   :  12 * len [ASCII len of max int + 1 for .]
     *   Octet String: (2 * len) + 2 [2 ASCII chars per byte + "0x"]
     *   Integers    :  12 [ASCII len for smallest negative number]
     *
     * 2) You also need to allocate space for the row index. This will
     * be stored as an OID, which means that Octet Strings need to
     * be treated a little differently. Specifically, you will need
     * (4 * len) + 4 [3 ASCII chars per byte + 1 for ., + 4 for len].
     *
     * 3) Also, remember to add space for the identifier and separator
     * characters (for example, each column is prefixed by the
     * column number and a semicolon. To allow for the maximum
     * column values, 12 bytes [11 for oid + 1 for ':'] per
     * column are added).
     */
        /** xxx: add storage for external index(s)! */
#define MAX_ROW_SIZE (sizeof(row_token) + 1 +  \
@   if $ext_index != 0@
        ( 12 * 128 ) + /* external interfaces - max 128 subids */ \
@   end@
@   foreach $node nonindex@
@      include m2c_setup_node.m2i@
@    if ($node.settable == 1)@
@      if "$node.type" eq "ASN_OBJECT_ID"@
        ( ( 12 * sizeof(${m2c_ctx_rh}) ) + 3 ) + /* $node.type */ \
@      elsif "$node.type" eq "ASN_OCTET_STR"@
        ( ( 2 * sizeof(${m2c_ctx_rh}) ) + 3 ) + /* $node.type */ \
@      else@
        ( 12 ) + /* $node.type $node */ \
@      end@
@    end@
@   end@
        ( $table.uc_MAX_COL * 12 ) + /* column num prefix + : */ \
    2 /* LINE_TERM_CHAR + \n */ )

char buf[MAX_ROW_SIZE], *pos = buf, *max = &buf[MAX_ROW_SIZE-1];
    char *tmp;
    int i;

if (${context}_container_should_save(rowreq_ctx) == 0) {
        return SNMP_ERR_NOERROR;
    }

/*
     * build the line
     */
    pos += sprintf(pos, "%s ", row_token);
    pos = read_config_save_objid(pos, rowreq_ctx->oid_idx.oids,
                                 rowreq_ctx->oid_idx.len);
    if(NULL == pos) {
        snmp_log(LOG_ERR,"error saving ${context} row "
                 "to persistent file\n");
        return SNMP_ERR_GENERR;
    }
    *pos++ = ' ';
    if(pos > max) {
        snmp_log(LOG_ERR,"error saving ${context} row "
                 "to persistent file (too long)\n");
        return SNMP_ERR_GENERR;
    }

/*
     * add each column
     */
    for(i = $table.uc_MIN_COL; i <= $table.uc_MAX_COL; ++i ) {

if ((0x1 << (i-1)) & ~$context.uc_SETTABLE_COLS)
           continue;

tmp = pos;
        pos = _${context}_container_col_save(rowreq_ctx, i, pos);
        if(NULL == pos)
            pos = tmp;
        else
            *pos++ = ' ';        
        if(pos > max) {
            snmp_log(LOG_ERR,"error saving ${context} row "
                     "to persistent file (too long)\n");
            return SNMP_ERR_GENERR;
        }
    }

/*
     * if you have non-column data, add it here
     */

/*
     * store the line
     */
    pos += sprintf(pos, "%c", LINE_TERM_CHAR);
    if(pos > max) {
        snmp_log(LOG_ERR,"error saving ${context} row "
                 "to persistent file (too long)\n");
        return SNMP_ERR_GENERR;
    }
    read_config_store((char*)type, buf);

DEBUGMSGTL(("internal:${context}:_${context}_container_row_save",
                "saving line '%s'\n", buf));
    
    return SNMP_ERR_NOERROR;
}

static void
_${context}_container_row_restore(const char *token, char *buf)
{
    ${context}_rowreq_ctx * rowreq_ctx;
    netsnmp_index index;
    oid tmp_oid[ MAX_${context}_IDX_LEN];
    u_int col = 0, found = 0;

if (strncmp(token, row_token, sizeof(row_token)) != 0) {
        snmp_log(LOG_ERR, "unknown token in _${context}_container_row_restore\n");
        return;
    }

DEBUGMSGTL(("internal:${context}:_${context}_container_row_restore",
                "parsing line '%s'\n", buf));

/*
     * pull out index and create default row
     */
    index.oids = tmp_oid;
    index.len = OID_LENGTH(tmp_oid);
    buf = read_config_read_objid(buf, &index.oids,
                                 &index.len);
    if (NULL == buf) {
        snmp_log(LOG_ERR, "error reading row index in "
                 "_${context}_container_row_restore\n");
        return;
    }
    rowreq_ctx = _mfd_${context}_rowreq_from_index( &index, NULL );
    if (NULL == rowreq_ctx) {
        snmp_log(LOG_ERR, "error creating row index in "
                 "_${context}_container_row_restore\n");
        return;
    }
    
    /*
     * loop through and get each column
     */
    buf = skip_white(buf);
    while ( (NULL != buf) && isdigit(*buf) ) {
        /*
         * extract column, skip ':'
         */
        col = (u_int)strtol(buf, &buf, 10);
        if (NULL == buf)
            break;
        if (*buf != ':') {
            buf = NULL;
            break;
        }
        ++buf; /* skip : */

/*
         * parse value
         */
        DEBUGMSGTL(("_${context}_container_row_restore",
                    "parsing column %d\n", col));
        buf = _${context}_container_col_restore( rowreq_ctx, col, buf );
        ++found;
    }
    if (0 == found) {
        snmp_log(LOG_ERR, "error parsing ${context} row; no columns found\n");
        ${context}_release_rowreq_ctx( rowreq_ctx );
        return;
    }

/*
     * if you added any non-column data, this is where
     * you should handle it.
     */
    
    /*
     * if the pointer is NULL and we didn't reach the
     * end of the line, something went wrong. Log message,
     * delete the row and bail.
     */
    if ((buf == NULL) || (*buf != LINE_TERM_CHAR)) {
        snmp_log(LOG_ERR, "error parsing ${context} row around column %d\n",
                 col);
        ${context}_release_rowreq_ctx( rowreq_ctx );
        return;
    }

DEBUGMSGTL(("internal:${context}:_${context}_container_row_restore",
                "inserting row\n"));

/*
     * copy oid index and insert row
     */
    rowreq_ctx->oid_idx.len = index.len;
    memcpy(rowreq_ctx->oid_idx.oids, index.oids, index.len * sizeof(oid));

CONTAINER_INSERT(${context}_if_ctx.container, rowreq_ctx);
}

/************************************************************
 * _${context}_container_col_save
 */
static char *
_${context}_container_col_save(
            ${context}_rowreq_ctx *rowreq_ctx,
            u_int col, char* buf)
{
    if( ( NULL == rowreq_ctx ) || ( NULL == buf )) {
        snmp_log(LOG_ERR, "bad parameter in "
                 "_${context}_container_col_save\n");
        return NULL;
    }

DEBUGMSGTL(("internal:${context}:_${context}_container_col_save",
                "processing column %d\n", col));

/*
     * prefix with column number, so we don't ever depend on
     * order saved.
     */
    buf += sprintf(buf, "%u:", col);

/*
     * save data for the column
     */
    switch(col) {

@   foreach $node nonindex@
@      include m2c_setup_node.m2i@
        case COLUMN_$node.uc: /** $node.syntax = $node.type */
@      if $m2c_node_needlength == 1@
@         if "$node.type" eq "ASN_OBJECT_ID"@
            buf = read_config_save_objid(buf, ${m2c_ctx_rh},
                                         ${m2c_ctx_rhs} );
@         else@ # "$node.type" eq "ASN_OCTET_STR"@
            buf = read_config_save_octet_string(buf, ${m2c_ctx_rh},
                                                ${m2c_ctx_rhs} );
@         end@
@      elsif "$node.type" eq "ASN_INTEGER"@
            buf += sprintf(buf,"%ld",${m2c_ctx_rh});
@      else@
            buf += sprintf(buf,"%lu",${m2c_ctx_rh});
@      end@
        break;
    
@   end@ # for each
    default: /** We shouldn't get here */
        snmp_log(LOG_ERR, "unknown column %d in "
                 "_${context}_container_col_save\n", col);
        return NULL;
    }

return buf;
}

/************************************************************
 * _${context}_container_col_restore
 */
static char *
_${context}_container_col_restore(
            ${context}_rowreq_ctx *rowreq_ctx,
            u_int col, char* buf)
{
    size_t len;
    if( ( NULL == rowreq_ctx ) || ( NULL == buf )) {
        snmp_log(LOG_ERR, "bad parameter in "
                 "_${context}_container_col_restore\n");
        return NULL;
    }

DEBUGMSGTL(("verbose:${context}:_${context}_container_col_restore",
                "processing column %d\n", col));

/*
     * restore data for the column
     */
    switch(col) {

@   foreach $node nonindex@
@      include m2c_setup_node.m2i@
        case COLUMN_$node.uc: /** $node.syntax = $node.type */
@      if $m2c_node_needlength == 1@
            ${m2c_ctx_rhs} = sizeof(${m2c_ctx_rh});
            buf = read_config_read_memory($node.type,buf,
                                          (char*)&${m2c_ctx_rh},
                                          (size_t*)&${m2c_ctx_rhs} );
@         if "$node.type" eq "ASN_OBJECT_ID"@
            ${m2c_ctx_rhs} /= sizeof(oid);
@         end@
@      else@
            len = sizeof(${m2c_ctx_rh});
@         if "$node.type" eq "ASN_OCTET_STR"@ # BITS
@            eval $m2c_tmp = "ASN_INTEGER"@
@         else@
@            eval $m2c_tmp = $node.type@
@         end@
            buf = read_config_read_memory($m2c_tmp, buf,
                                          (char*)&${m2c_ctx_rh},
                                          &len);
@      end@
@      if $m2c_table_sparse == 1@
            if (NULL != buf)
                rowreq_ctx->column_exists_flags |= COLUMN_$node.uc_FLAG;
@      end@ # table sparse
        break;
    
@   end@ # foreach col
    default: /** We shouldn't get here */
        snmp_log(LOG_ERR, "unknown column %d in "
                 "_${context}_container_col_restore\n", col);
        return NULL;
    }

return buf;
}

##
@end@ // $m2c_processing_type eq 'i'
########################################################################
@if $m2c_mark_boundary == 1@
/** END code generated by mfd-persistence.m2i */
@end@

${this.title}

Code Editor : mfd-persistence.m2i