/********************************************************************
* FUNCTION y_toaster_toaster_mro
*
* Make read-only child nodes
* Path: /toaster
*
* INPUTS:
* parentval == the parent struct to use for new child nodes
*
* RETURNS:
* error status
********************************************************************/
static status_t
y_toaster_toaster_mro (val_value_t *parentval)
{
status_t res;
val_value_t *childval;
res = NO_ERR;
/* add /toaster/toasterManufacturer */
childval = agt_make_virtual_leaf(
parentval->obj,
y_toaster_N_toasterManufacturer,
y_toaster_toaster_toasterManufacturer_get,
&res);
if (childval != NULL) {
val_add_child(childval, parentval);
} else {
return res;
}
/* add /toaster/toasterModelNumber */
childval = agt_make_virtual_leaf(
parentval->obj,
y_toaster_N_toasterModelNumber,
y_toaster_toaster_toasterModelNumber_get,
&res);
if (childval != NULL) {
val_add_child(childval, parentval);
} else {
return res;
}
/* add /toaster/toasterStatus */
childval = agt_make_virtual_leaf(
parentval->obj,
y_toaster_N_toasterStatus,
y_toaster_toaster_toasterStatus_get,
&res);
if (childval != NULL) {
val_add_child(childval, parentval);
} else {
return res;
}
return res;
} /* y_toaster_toaster_mro */
/********************************************************************
* FUNCTION parse_index
*
* Parse, and fill the indexQ for one val_value_t struct during
* processing of a text config file
*
* Error messages are printed by this function!!
* Do not duplicate error messages upon error return
*
* The value name is the current token.
* Based on the value typdef, the res of the tokens
* comprising the value statement will be processed
*
* INPUTS:
* tkc == token chain
* obj == the object template to use for filling in 'val'
* val == initialized value struct, without any value,
* which will be filled in by this function
* nsid == namespace ID to use for this value
*
* OUTPUTS:
* indexQ filled in as tokens representing the index components
* are parsed. NEWLINE tokens are skipped as needed
*
* RETURNS:
* status of the operation
*********************************************************************/
static status_t
parse_index (tk_chain_t *tkc,
obj_template_t *obj,
val_value_t *val,
xmlns_id_t nsid)
{
obj_key_t *indef, *infirst;
val_value_t *inval;
status_t res;
infirst = obj_first_key(obj);
/* first make value nodes for all the index values */
for (indef = infirst;
indef != NULL;
indef = obj_next_key(indef)) {
/* advance to the next non-NEWLINE token */
res = get_tk(tkc);
if (res != NO_ERR) {
ncx_conf_exp_err(tkc, res, "index value");
return res;
}
/* check if a valid token is given for the index value */
if (TK_CUR_TEXT(tkc)) {
inval = val_make_simval_obj(indef->keyobj,
TK_CUR_VAL(tkc),
&res);
if (!inval) {
ncx_conf_exp_err(tkc, res, "index value");
return res;
} else {
val_change_nsid(inval, nsid);
val_add_child(inval, val);
}
} else {
res = ERR_NCX_WRONG_TKTYPE;
ncx_conf_exp_err(tkc, res, "index value");
return res;
}
}
/* generate the index chain in the indexQ */
res = val_gen_index_chain(obj, val);
if (res != NO_ERR) {
ncx_print_errormsg(tkc, NULL, res);
}
return res;
} /* parse_index */
status_t y_ietf_interfaces_init2(void)
{
status_t res;
cfg_template_t* runningcfg;
val_value_t* interfaces_state_val;
res = NO_ERR;
runningcfg = cfg_get_config_id(NCX_CFGID_RUNNING);
if (!runningcfg || !runningcfg->root) {
return SET_ERROR(ERR_INTERNAL_VAL);
}
interfaces_state_val = val_find_child(runningcfg->root,
"ietf-interfaces",
"interfaces-state");
/* Can not coexist with other implementation
* of ietf-interfaces.
*/
if(interfaces_state_val!=NULL) {
log_error("\nError: /interfaces-state already present!");
return SET_ERROR(ERR_INTERNAL_VAL);
}
interfaces_state_val = val_new_value();
if (interfaces_state_val == NULL) {
return SET_ERROR(ERR_INTERNAL_VAL);
}
val_init_from_template(interfaces_state_val,
interfaces_state_obj);
val_init_virtual(interfaces_state_val,
get_interfaces_state,
interfaces_state_val->obj);
val_add_child(interfaces_state_val, runningcfg->root);
return res;
}
/********************************************************************
* FUNCTION y_starter_starter_get_load_invoke
*
* RPC invocation phase
* All constraints have passed at this point.
* Call device instrumentation code in this function.
*
* INPUTS:
* see agt/agt_rpc.h for details
*
* RETURNS:
* error status
********************************************************************/
static status_t y_starter_starter_get_load_invoke (
ses_cb_t *scb,
rpc_msg_t *msg,
xml_node_t *methnode)
{
status_t res = NO_ERR;
/* remove the next line if scb is used */
(void)scb;
/* remove the next line if msg is used */
(void)msg;
/* remove the next line if methnode is used */
(void)methnode;
/* invoke your device instrumentation code here */
/*********************** THIS PART IS ADDED MANUALLY BY LEVI *************************/
//--------- GET LOAD DATA ----------------
//it looks like this: "0.01 0.14 0.12 1/309 6531"
FILE *fp;
int status;
char load[30];
//open the command for reading
fp = popen("cat /proc/loadavg", "r");
if(fp == NULL)
{
log_info("\nFailed to get LOAD\n");
}
else
{
while(fgets(load, sizeof(load)-1, fp) != NULL)
{
log_info("\nRead data from cli: %s\n", load);
}
//closing
pclose(fp);
}
//##########################################
int numberOfLoadParams = 5;
char *load_params[numberOfLoadParams];
int n=0;
int nn;
char *ds = strdup(load);
load_params[n]=strtok(ds, " ");
//log_info("load_params[%d]:%s",n,load_params[n]);
while(load_params[n] && (n < (numberOfLoadParams-1)))
{
load_params[++n] = strtok(NULL, " ");
// log_info("[LOG]load_params[%d]:%s",n,load_params[n]);
}
val_value_t *childval = NULL;
childval = agt_make_list(
obj_find_child(starter_get_load_obj,y_starter_M_starter,"output"),
y_starter_N_load,
&res);
if(childval != NULL)
{
log_info("\nList found and initialized");
}
val_value_t *a = NULL;
/* char loadOne[40] = "load_One";*/
a = agt_make_leaf(
childval->obj,
y_starter_N_loadOne,
(const xmlChar*)load_params[0],
&res);
if(a!=NULL)
{
log_info("\nloadOne filled with ");
log_info(load_params[0]);
val_add_child(a,childval);
}
else
{
return res;
}
/* char loadFive[40] = "load_Five";*/
a = agt_make_leaf(
childval->obj,
y_starter_N_loadFive,
(const xmlChar*)load_params[1],
&res);
if(a!=NULL)
{
log_info("\nloadFive filled with ");
log_info(load_params[1]);
val_add_child(a,childval);
}
else
{
return res;
}
/* char loadFifteen[40] = "load_Fifteen";*/
a = agt_make_leaf(
childval->obj,
y_starter_N_loadFifteen,
(const xmlChar*)load_params[2],
&res);
if(a!=NULL)
{
log_info("\nloadFifteen filled with ");
log_info(load_params[2]);
val_add_child(a,childval);
}
else
{
return res;
}
/* char processesCE[40] = "processesCurrentlyExists";*/
a = agt_make_leaf(
childval->obj,
y_starter_N_processesCurrentlyExists,
(const xmlChar*)load_params[3],
&res);
if(a!=NULL)
{
log_info("\nprocessesCE filled with ");
log_info(load_params[3]);
val_add_child(a,childval);
}
else
{
return res;
}
/*log_info("PID: %s", load_params[4]);*/
//we need to remove the trailing \n from the end
char* pid = strtok(load_params[4],"\n");
a = agt_make_leaf(
childval->obj,
y_starter_N_pid,
(const xmlChar*)pid,
&res);
if(a!=NULL)
{
log_info("\npid filled with ");
log_info(pid);
val_add_child(a,childval);
}
else
{
return res;
}
free(ds);
dlq_enque((void*)childval,&(msg->rpc_dataQ));
/* // ------------------------ CREATING A CUSTOM RPC REPLY -------------------------------
//declare a val_value_t * paramter
val_value_t *rpc_output = NULL;
//making a leaf
// 1.param -> we need to find the corresponding output element defined in the yang
// starter_get_load_obj is created automatically, since we have a get_load rpc in our module called starter -> starter_get_load_obj
// y_starter_M_starter corresponds to the module (you need to modify both strings 'starter' to your module name)
// "output" -> is the output part of the rpc (leave unmodified)
// 2.param -> y_yourModuleName_N_leafNodeInYourRPCOUTPUT
// 3.param -> the message you want to send (should be xmlChar*, char, char*)
// 4. param -> the res variable which is returned by default
rpc_output = agt_make_leaf(
obj_find_child(starter_get_load_obj,y_starter_M_starter,"output"),
y_starter_N_load,
load,
&res);
//check that we could create correctly our RPC reply message
if (rpc_output!=NULL)
{
//if yes -> put that to the rpc-reply (only rpc_output variable should be modified)
dlq_enque((void*)rpc_output,&(msg->rpc_dataQ));
}
//if, however, something went wrong during creating rpc-reply, we print it into the log
else
{
log_error(
"\nError: make leaf failed (%s), cannot send "
"<load> rpc_reply",
get_error_string(res));
}
//====================================================================================== */
/********************************** END OF LEVI **************************************/
return res;
} /* y_starter_starter_get_load_invoke */
/********************************************************************
* FUNCTION send_lock_pdu_to_server
*
* Send a <lock> or <unlock> operation to the server
*
* INPUTS:
* server_cb == server control block to use
* lockcb == lock control block to use within server_cb
* islock == TRUE for lock; FALSE for unlock
*
* RETURNS:
* status
*********************************************************************/
static status_t
send_lock_pdu_to_server (server_cb_t *server_cb,
lock_cb_t *lockcb,
boolean islock)
{
obj_template_t *rpc, *input;
mgr_rpc_req_t *req;
val_value_t *reqdata, *targetval, *parmval;
ses_cb_t *scb;
status_t res;
xmlns_id_t obj_nsid;
req = NULL;
reqdata = NULL;
res = NO_ERR;
if (LOGDEBUG) {
log_debug("\nSending <%s> request",
(islock) ? NCX_EL_LOCK : NCX_EL_UNLOCK);
}
if (islock) {
rpc = ncx_find_object(get_netconf_mod(server_cb),
NCX_EL_LOCK);
} else {
rpc = ncx_find_object(get_netconf_mod(server_cb),
NCX_EL_UNLOCK);
}
if (!rpc) {
return SET_ERROR(ERR_NCX_DEF_NOT_FOUND);
}
obj_nsid = obj_get_nsid(rpc);
/* get the 'input' section container */
input = obj_find_child(rpc, NULL, YANG_K_INPUT);
if (!input) {
return SET_ERROR(ERR_NCX_DEF_NOT_FOUND);
}
/* construct a method + parameter tree */
reqdata = xml_val_new_struct(obj_get_name(rpc), obj_nsid);
if (!reqdata) {
log_error("\nError allocating a new RPC request");
return ERR_INTERNAL_MEM;
}
/* set the [un]lock/input/target node XML namespace */
targetval = xml_val_new_struct(NCX_EL_TARGET, obj_nsid);
if (!targetval) {
log_error("\nError allocating a new RPC request");
val_free_value(reqdata);
return ERR_INTERNAL_MEM;
} else {
val_add_child(targetval, reqdata);
}
parmval = xml_val_new_flag(lockcb->config_name,
obj_nsid);
if (!parmval) {
val_free_value(reqdata);
return ERR_INTERNAL_MEM;
} else {
val_add_child(parmval, targetval);
}
scb = mgr_ses_get_scb(server_cb->mysid);
if (!scb) {
res = SET_ERROR(ERR_INTERNAL_PTR);
} else {
req = mgr_rpc_new_request(scb);
if (!req) {
res = ERR_INTERNAL_MEM;
log_error("\nError allocating a new RPC request");
} else {
req->data = reqdata;
req->rpc = rpc;
req->timeout = server_cb->timeout;
}
}
/* if all OK, send the RPC request */
if (res == NO_ERR) {
if (LOGDEBUG2) {
log_debug2("\nabout to send RPC request with reqdata:");
val_dump_value_max(reqdata,
0,
server_cb->defindent,
DUMP_VAL_LOG,
server_cb->display_mode,
FALSE,
FALSE);
}
/* the request will be stored if this returns NO_ERR */
res = mgr_rpc_send_request(scb, req, yangcli_reply_handler);
if (res == NO_ERR) {
if (islock) {
lockcb->lock_state = LOCK_STATE_REQUEST_SENT;
} else {
lockcb->lock_state = LOCK_STATE_RELEASE_SENT;
}
(void)uptime(&lockcb->last_msg_time);
server_cb->locks_cur_cfg = lockcb->config_id;
}
}
/* cleanup and set next state */
if (res != NO_ERR) {
if (req) {
mgr_rpc_free_request(req);
} else if (reqdata) {
val_free_value(reqdata);
}
} else {
server_cb->state = MGR_IO_ST_CONN_RPYWAIT;
}
return res;
} /* send_lock_pdu_to_server */
static status_t
add_interfaces_state_entry(char* buf, val_value_t* interfaces_state_val)
{
/*objs*/
obj_template_t* interface_obj;
obj_template_t* name_obj;
obj_template_t* statistics_obj;
obj_template_t* obj;
/*vals*/
val_value_t* interface_val;
val_value_t* name_val;
val_value_t* statistics_val;
val_value_t* val;
status_t res=NO_ERR;
boolean done;
char* name;
char* str;
char* endptr;
unsigned int i;
uint64_t counter;
int ret;
char* counter_names_array[] = {
"in-octets",
"in-unicast-pkts",
"in-errors",
"in-discards",
NULL/*"in-fifo"*/,
NULL/*"in-frames"*/,
NULL/*in-compressed*/,
"in-multicast-pkts",
"out-octets",
"out-unicast-pkts",
"out-errors",
"out-discards",
NULL/*"out-fifo"*/,
NULL/*out-collisions*/,
NULL/*out-carrier*/,
NULL/*out-compressed*/
};
/* get the start of the interface name */
str = buf;
while (*str && isspace(*str)) {
str++;
}
if (*str == '\0') {
/* not expecting a line with just whitespace on it */
return ERR_NCX_SKIPPED;
} else {
name = str++;
}
/* get the end of the interface name */
while (*str && *str != ':') {
str++;
}
if (*str != ':') {
/* expected e.g. eth0: ...*/
return ERR_NCX_SKIPPED;
} else {
*str=0;
str++;
}
/* /interfaces-state/interface */
interface_obj = obj_find_child(interfaces_state_val->obj,
"ietf-interfaces",
"interface");
assert(interface_obj != NULL);
interface_val = val_new_value();
if (interface_val == NULL) {
return ERR_INTERNAL_MEM;
}
val_init_from_template(interface_val, interface_obj);
val_add_child(interface_val, interfaces_state_val);
/* /interfaces-state/interface/name */
name_obj = obj_find_child(interface_obj,
"ietf-interfaces",
"name");
assert(name_obj != NULL);
name_val = val_new_value();
if (name_val == NULL) {
return ERR_INTERNAL_MEM;
}
val_init_from_template(name_val, name_obj);
res = val_set_simval_obj(name_val, name_obj, name);
val_add_child(name_val, interface_val);
res = val_gen_index_chain(interface_obj, interface_val);
assert(res == NO_ERR);
/* /interfaces-state/interface/statistics */
statistics_obj = obj_find_child(interface_obj,
"ietf-interfaces",
"statistics");
assert(statistics_obj != NULL);
statistics_val = val_new_value();
if (statistics_val == NULL) {
return ERR_INTERNAL_MEM;
}
val_init_from_template(statistics_val, statistics_obj);
val_add_child(statistics_val, interface_val);
done = FALSE;
for(i=0;i<(sizeof(counter_names_array)/sizeof(char*));i++) {
endptr = NULL;
counter = strtoull((const char *)str, &endptr, 10);
if (counter == 0 && str == endptr) {
/* number conversion failed */
log_error("Error: /proc/net/dev number conversion failed.");
return ERR_NCX_OPERATION_FAILED;
}
if(counter_names_array[i]!=NULL) {
obj = obj_find_child(statistics_obj,
"ietf-interfaces",
counter_names_array[i]);
assert(obj != NULL);
val = val_new_value();
if (val == NULL) {
return ERR_INTERNAL_MEM;
}
val_init_from_template(val, obj);
VAL_UINT64(val) = counter;
val_add_child(val, statistics_val);
}
str = (xmlChar *)endptr;
if (*str == '\0' || *str == '\n') {
break;
}
}
return res;
}
/********************************************************************
* FUNCTION parse_parm
*
* Parse, and fill one val_value_t struct during
* processing of a parmset
*
* Error messages are printed by this function!!
* Do not duplicate error messages upon error return
*
*
* INPUTS:
* tkc == token chain
* val == container val to fill in
* keepvals == TRUE to save existing parms in 'ps', as needed
* FALSE to overwrite old parms in 'ps', as needed
*
* RETURNS:
* status of the operation
*********************************************************************/
static status_t
parse_parm (tk_chain_t *tkc,
val_value_t *val,
boolean keepvals)
{
obj_template_t *obj;
const xmlChar *modname;
val_value_t *curparm, *newparm;
status_t res;
ncx_iqual_t iqual;
boolean match, usewarning, isdefault;
/* get the next token, which must be a TSTRING
* representing the parameter name
*/
if (TK_CUR_TYP(tkc) != TK_TT_TSTRING) {
res = ERR_NCX_WRONG_TKTYPE;
ncx_conf_exp_err(tkc, res, "parameter name");
return res;
}
curparm = NULL;
usewarning = ncx_warning_enabled(ERR_NCX_CONF_PARM_EXISTS);
/* check if this TSTRING is a parameter in this parmset
* make sure to always check for prefix:identifier
* This is automatically processed in tk.c
*/
if (TK_CUR_MOD(tkc)) {
modname = xmlns_get_module
(xmlns_find_ns_by_prefix(TK_CUR_MOD(tkc)));
if (modname) {
curparm = val_find_child(val,
modname,
TK_CUR_VAL(tkc));
}
} else {
curparm = val_find_child(val,
val_get_mod_name(val),
TK_CUR_VAL(tkc));
}
if (curparm) {
obj = curparm->obj;
} else {
obj = obj_find_child(val->obj,
TK_CUR_MOD(tkc),
TK_CUR_VAL(tkc));
}
if (!obj) {
res = ERR_NCX_UNKNOWN_PARM;
if (TK_CUR_MOD(tkc)) {
log_error("\nError: parameter '%s:%s' not found",
TK_CUR_MOD(tkc),
TK_CUR_VAL(tkc));
} else {
log_error("\nError: parameter '%s' not found",
TK_CUR_VAL(tkc));
}
ncx_conf_exp_err(tkc, res, "parameter name");
return res;
}
/* got a valid parameter name, now create a new parm
* even if it may not be kept. There are corner-cases
* that require the new value be parsed before knowing
* if a parm value is a duplicate or not
*/
newparm = val_new_value();
if (!newparm) {
res = ERR_INTERNAL_MEM;
ncx_print_errormsg(tkc, NULL, res);
return res;
}
val_init_from_template(newparm, obj);
/* parse the parameter value */
res = parse_val(tkc, obj, newparm);
if (res != NO_ERR) {
val_free_value(newparm);
return res;
}
/* check if a potential current value exists, or just
* add the newparm to the parmset
*/
if (curparm) {
isdefault = val_set_by_default(curparm);
iqual = obj_get_iqualval(obj);
if (iqual == NCX_IQUAL_ONE || iqual == NCX_IQUAL_OPT) {
/* only one allowed, check really a match */
match = TRUE;
if (val_has_index(curparm) &&
!val_index_match(newparm, curparm)) {
match = FALSE;
}
if (!match) {
val_add_child(newparm, val);
} else if (isdefault) {
dlq_remove(curparm);
val_free_value(curparm);
val_add_child(newparm, val);
} else if (keepvals) {
if (usewarning) {
/* keep current value and toss new value */
log_warn("\nWarning: Parameter '%s' already exists. "
"Not using new value\n",
curparm->name);
if (LOGDEBUG2) {
val_dump_value(newparm, NCX_DEF_INDENT);
log_debug2("\n");
}
}
val_free_value(newparm);
} else {
if (usewarning) {
/* replace current value and warn old value tossed */
log_warn("\nconf: Parameter '%s' already exists. "
"Overwriting with new value\n",
curparm->name);
if (LOGDEBUG2) {
val_dump_value(newparm, NCX_DEF_INDENT);
log_debug2("\n");
}
}
dlq_remove(curparm);
val_free_value(curparm);
val_add_child(newparm, val);
}
} else {
/* mutliple instances allowed */
val_add_child(newparm, val);
}
} else {
val_add_child(newparm, val);
}
return NO_ERR;
} /* parse_parm */
/********************************************************************
* FUNCTION parse_val
*
* Parse, and fill one val_value_t struct during
* processing of a text config file
*
* Error messages are printed by this function!!
* Do not duplicate error messages upon error return
*
* The value name is the current token.
* Based on the value typdef, the res of the tokens
* comprising the value statement will be processed
*
* INPUTS:
* tkc == token chain
* obj == the object template struct to use for filling in 'val'
* val == initialized value struct, without any value,
* which will be filled in by this function
* nsid == namespace ID to use for this value
* valname == name of the value struct
*
* RETURNS:
* status of the operation
*********************************************************************/
static status_t
parse_val (tk_chain_t *tkc,
obj_template_t *obj,
val_value_t *val)
{
obj_template_t *chobj;
val_value_t *chval;
const xmlChar *valname, *useval;
typ_def_t *typdef;
status_t res;
ncx_btype_t btyp;
boolean done;
xmlns_id_t nsid;
btyp = obj_get_basetype(obj);
nsid = obj_get_nsid(obj);
valname = obj_get_name(obj);
typdef = obj_get_typdef(obj);
/* check if there is an index clause expected */
if (typ_has_index(btyp)) {
res = parse_index(tkc, obj, val, nsid);
if (res != NO_ERR) {
return res;
}
}
/* get next token, NEWLINE is significant at this point */
res = adv_tk(tkc);
if (res != NO_ERR) {
return res;
}
/* the current token should be the value for a leaf
* or a left brace for the start of a complex type
* A NEWLINE is treated as if the user entered a
* zero-length string for the value. (Unless the
* base type is NCX_BT_EMPTY, in which case the NEWLINE
* is the expected token
*/
if (typ_is_simple(btyp)) {
/* form for a leaf is: foo [value] NEWLINE */
if (TK_CUR_TYP(tkc)==TK_TT_NEWLINE) {
useval = NULL;
} else {
useval = TK_CUR_VAL(tkc);
}
res = val_set_simval(val,
typdef,
nsid,
valname,
useval);
if (res != NO_ERR) {
log_error("\nError: '%s' cannot be set to '%s'",
valname,
(TK_CUR_VAL(tkc)) ? TK_CUR_VAL(tkc) : EMPTY_STRING);
if (btyp == NCX_BT_EMPTY) {
ncx_conf_exp_err(tkc, res, "empty");
} else {
ncx_conf_exp_err(tkc, res, "simple value string");
}
return res;
}
/* get a NEWLINE unless current token is already a NEWLINE */
if (TK_CUR_TYP(tkc) != TK_TT_NEWLINE) {
res = adv_tk(tkc);
if (res != NO_ERR) {
return res;
}
if (TK_CUR_TYP(tkc) != TK_TT_NEWLINE) {
res = ERR_NCX_WRONG_TKTYPE;
ncx_conf_exp_err(tkc, res, "\\n");
}
}
} else {
/* complex type is foo { ... } or
* foo index1 index2 { ... }
* If there is an index, it was already parsed
*/
res = consume_tk(tkc, TK_TT_LBRACE);
if (res != NO_ERR) {
ncx_conf_exp_err(tkc, res, "left brace");
return res;
}
/* get all the child nodes specified for this complex type */
res = NO_ERR;
done = FALSE;
while (!done && res==NO_ERR) {
/* start out looking for a child node name or a
* right brace to end the sub-section
*/
if (tk_next_typ(tkc)==TK_TT_NEWLINE) {
/* skip the NEWLINE token */
(void)adv_tk(tkc);
} else if (tk_next_typ(tkc)==TK_TT_RBRACE) {
/* found end of sub-section */
done = TRUE;
} else {
/* get the next token */
res = adv_tk(tkc);
if (res != NO_ERR) {
continue;
}
/* make sure cur token is an identifier string
* if so, find the child node and call this function
* recursively to fill it in and add it to
* the parent 'val'
*/
if (TK_CUR_ID(tkc)) {
/* parent 'typdef' must have a child with a name
* that matches the current token vale
*/
chobj = obj_find_child(obj,
TK_CUR_MOD(tkc),
TK_CUR_VAL(tkc));
if (chobj) {
chval = val_new_value();
if (!chval) {
res = ERR_INTERNAL_MEM;
ncx_print_errormsg(tkc, NULL, res);
} else {
val_init_from_template(chval, chobj);
res = parse_val(tkc, chobj, chval);
if (res == NO_ERR) {
val_add_child(chval, val);
} else {
val_free_value(chval);
}
}
} else {
/* string is not a child name in this typdef */
res = ERR_NCX_DEF_NOT_FOUND;
ncx_conf_exp_err(tkc, res, "identifier string");
}
} else {
/* token is not an identifier string */
res = ERR_NCX_WRONG_TKTYPE;
ncx_conf_exp_err(tkc, res, "identifier string");
}
}
} /* end loop through all the child nodes */
/* expecting a right brace to finish the complex value */
if (res == NO_ERR) {
res = consume_tk(tkc, TK_TT_RBRACE);
if (res != NO_ERR) {
ncx_conf_exp_err(tkc, res, "right brace");
return res;
}
}
}
return res;
} /* parse_val */
/********************************************************************
* FUNCTION process_apply
* (config mode input received)
* Handle the apply command and check if there are edits
* to apply to the server. If so apply the edits.
*
* INPUTS:
* server_cb == server control block to use
* session_cb == session control block to use
*
* RETURNS:
* status
*********************************************************************/
static status_t
process_apply (server_cb_t *server_cb,
session_cb_t *session_cb)
{
if (dlq_empty(&session_cb->config_editQ)) {
if (LOGDEBUG2) {
log_debug2("\nSkipping apply, no edits");
}
session_cb->config_edit_dirty = FALSE;
return NO_ERR;
}
/* make a dummy config root -- it will not be used; only the child
* nodes added to this container will be added to the <config>
* parameter in the <edit-config> operation
*/
val_value_t *configval = xml_val_new_root(NCX_EL_CONFIG, xmlns_nc_id());
if (configval == NULL) {
log_error("\nError: malloc failed");
return ERR_INTERNAL_MEM;
}
status_t res = NO_ERR;
boolean anyedits = FALSE;
uint32 editcnt = dlq_count(&session_cb->config_editQ);
while (!dlq_empty(&session_cb->config_editQ)) {
config_edit_t *edit = (config_edit_t *)
dlq_deque(&session_cb->config_editQ);
/* compare the edit to the shadow config to see if it
* represents any change or not */
boolean ischange = check_edit(session_cb, edit);
if (ischange) {
/** TBD: add to tree and collapse all edits!!! */
val_add_child(edit->edit_payload, configval);
edit->edit_payload = NULL;
anyedits = TRUE;
} else if (LOGDEBUG3) {
log_debug3("\nSkipping edit due to no change:\n");
val_dump_value(edit->edit_payload, 0);
}
free_config_edit(edit);
}
if (!anyedits) {
val_free_value(configval);
return NO_ERR;
}
if (server_cb->program_mode == PROG_MODE_SERVER) {
if (LOGDEBUG) {
if (editcnt == 1) {
log_debug("\nApplying 1 edit\n");
} else {
log_debug("\nApplying %u edits\n", editcnt);
}
}
} else {
if (LOGINFO) {
const xmlChar *sesname = (session_cb->session_cfg)
? session_cb->session_cfg->name : NCX_EL_DEFAULT;
if (editcnt == 1) {
log_info("\nApplying 1 edit to session '%s'\n", sesname);
} else {
log_info("\nApplying %u edits to session '%s'\n", editcnt,
sesname);
}
}
}
session_cb->command_mode = CMD_MODE_CONF_APPLY;
session_cb->config_edit_dirty = FALSE;
res = send_edit_config_to_server(server_cb, session_cb, NULL,
configval, TRUE, session_cb->timeout,
OP_DEFOP_MERGE);
/* configval consumed no matter what! */
return res;
} /* process_apply */
/********************************************************************
* FUNCTION parse_node
* (config mode input received)
* Parse the next word using the comstate and session_cb state
* Expecting this word to represent a datastore node, not a key or value
*
* e.g.,
* interface eth0 mtu 1500
* ^ ^ ^ ^
* node key node value
*
* INPUTS:
* tkc == token chain in progress
* session_cb == session control block to use
* done == address of return done flag
* gotexit == address of return gotexit flag
* gotapply == address of return gotapply flag
* gotdo == address of return do command flag
*
* OUTPUTS:
* *done == TRUE if parsing done; no more tokens;
* ignore unless return NO_ERR
* *gotexit == TRUE if got 'exit' command
* ignore unless return NO_ERR and *done == TRUE
* *gotapply == TRUE if got 'apply' command
* ignore unless return NO_ERR and *done == TRUE
* *gotdo == TRUE if got 'do' command
* RETURNS:
* status
*********************************************************************/
static status_t
parse_node (tk_chain_t *tkc,
session_cb_t *session_cb,
boolean *done,
boolean *gotexit,
boolean *gotapply,
boolean *gotdo)
{
*done = FALSE;
*gotexit = FALSE;
*gotapply = FALSE;
*gotdo = FALSE;
/* get the next token to use */
status_t res = TK_ADV(tkc);
if (res != NO_ERR) {
if (res == ERR_NCX_EOF) {
*done = TRUE;
return NO_ERR;
} else {
log_error("\nError: Expecting node identifier\n");
return res;
}
}
boolean first = tk_cur_is_first(tkc);
/* check if the 'do' form of command was given */
if (first && TK_CUR_TYP(tkc) == TK_TT_TSTRING &&
!xml_strcmp(TK_CUR_VAL(tkc), NCX_EL_DO) &&
tk_next_typ(tkc) != TK_TT_NONE) {
*gotdo = TRUE;
*done = TRUE;
return NO_ERR;
}
/* check if the 'no' form of command was given */
if (first && TK_CUR_TYP(tkc) == TK_TT_TSTRING &&
!xml_strcmp(TK_CUR_VAL(tkc), NCX_EL_NO) &&
tk_next_typ(tkc) != TK_TT_NONE) {
/* get the next token to use as the first identifier */
res = TK_ADV(tkc);
if (res != NO_ERR) {
log_error("\nError: Expecting identifier token after "
"'no' keyword\n");
return res;
}
first = FALSE;
session_cb->config_no_active = TRUE;
}
/* check if the current token is an identifier */
if (!TK_CUR_ID(tkc)) {
log_error("\nError: expecting a node identifier\n");
res = ERR_NCX_WRONG_TKTYPE;
return res;
}
/* check if the exit command was given */
if (first && TK_CUR_TYP(tkc) == TK_TT_TSTRING &&
!xml_strcmp(TK_CUR_VAL(tkc), NCX_EL_EXIT) &&
tk_next_typ(tkc) == TK_TT_NONE) {
*done = TRUE;
*gotexit = TRUE;
return NO_ERR;
}
/* check if the apply command was given */
if (first && TK_CUR_TYP(tkc) == TK_TT_TSTRING &&
!xml_strcmp(TK_CUR_VAL(tkc), NCX_EL_APPLY) &&
tk_next_typ(tkc) == TK_TT_NONE) {
*done = TRUE;
*gotapply = TRUE;
return NO_ERR;
}
obj_template_t *startobj = session_cb->config_curobj;
obj_template_t *topobj = NULL;
if (startobj == NULL) {
/* getting top-level config object */
topobj = find_top_obj(session_cb, TK_CUR_VAL(tkc));
if (topobj && !(obj_is_data_db(topobj) && obj_is_config(topobj))) {
topobj = NULL;
}
} else {
/* getting child node config object */
topobj = find_child_obj(session_cb, startobj, TK_CUR_VAL(tkc));
if (topobj && !obj_is_config(topobj)) {
topobj = NULL;
}
}
if (topobj == NULL) {
log_error("\nError: No config object found matching '%s'\n",
TK_CUR_VAL(tkc));
return ERR_NCX_UNKNOWN_OBJECT;
}
/* got a top object (relative to the current context) */
session_cb->config_curobj = topobj;
/* make a template object for the edit operation for non-terminals */
val_value_t *newval = NULL;
if (!obj_is_leafy(topobj)) {
newval = val_new_value();
if (newval == NULL) {
log_error("\nError: malloc failed for new value\n");
return ERR_INTERNAL_MEM;
}
val_init_from_template(newval, topobj);
add_enode(session_cb, newval);
} else if (session_cb->config_no_active && obj_is_leaf(topobj)) {
/* no ... foo-leaf */
newval = xml_val_new_flag(obj_get_name(topobj), obj_get_nsid(topobj));
if (newval == NULL) {
log_error("\nError: malloc failed for new value\n");
return ERR_INTERNAL_MEM;
}
add_enode(session_cb, newval);
}
if (obj_is_list(topobj)) {
boolean anykeys = FALSE;
obj_key_t *newkey = obj_first_key(topobj);
while (newkey) {
anykeys = TRUE;
/* get the next token to use as the key value */
res = TK_ADV(tkc);
if (res != NO_ERR) {
log_error("\nError: Expecting value for '%s' key leaf\n",
obj_get_name(newkey->keyobj));
return res;
}
/* parse the value as a key value */
/*** do something different if TK_CUR_MOD(tkc) is not NULL ***/
val_value_t *keyval =
val_make_simval_obj(newkey->keyobj, TK_CUR_VAL(tkc), &res);
if (res != NO_ERR) {
log_error("\nError: Invalid value for '%s' key leaf\n",
obj_get_name(newkey->keyobj));
val_free_value(keyval);
return res;
}
/* save keyval */
if (newval) {
val_add_child(keyval, newval);
} else {
val_free_value(keyval);
}
/* set up the next key in the list */
newkey = obj_next_key(newkey);
}
if (anykeys) {
res = val_gen_index_chain(topobj, newval);
}
}
if (res == NO_ERR && obj_is_leafy(topobj)) {
/* expecting a value node to follow or done if 'no' command */
*done = TRUE;
}
return res;
} /* parse_node */
