/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_dhcpmgr_bridge_Bridge_getStringOption(
JNIEnv *env,
jobject obj,
jshort code,
jstring jarg)
{
jstring jstr;
struct dhcp_option *opt;
ushort_t scode = (ushort_t)code;
const char *arg;
/* Get the option whose default value we want to generate. */
arg = (*env)->GetStringUTFChars(env, jarg, NULL);
if (arg == NULL) {
/* exception thrown */
return (NULL);
}
/* Get the option data */
opt = dd_getopt(scode, arg, NULL);
(*env)->ReleaseStringUTFChars(env, jarg, arg);
if (opt == NULL) {
throw_memory_exception(env);
return (NULL);
}
if (opt->error_code != 0) {
throw_bridge_exception(env, opt->u.msg);
dd_freeopt(opt);
return (NULL);
}
/* Set the return value */
jstr = (*env)->NewStringUTF(env, opt->u.ret.data.strings[0]);
dd_freeopt(opt);
return (jstr);
}
/*ARGSUSED*/
JNIEXPORT jobjectArray JNICALL
Java_com_sun_dhcpmgr_bridge_Bridge_getIPOption(
JNIEnv *env,
jobject obj,
jshort code,
jstring jarg)
{
jclass ip_class;
jmethodID ip_cons;
jobjectArray jlist = NULL;
jobject jaddr;
jstring jstr;
struct dhcp_option *opt;
ushort_t scode = (ushort_t)code;
int i;
const char *arg;
/* Get classes and methods we need */
ip_class = find_class(env, IP_CLASS);
if (ip_class == NULL) {
/* exception thrown */
return (NULL);
}
ip_cons = get_methodID(env, ip_class, IP_CONS);
if (ip_cons == NULL) {
/* exception thrown */
return (NULL);
}
/* Retrieve option to generate value for */
arg = (*env)->GetStringUTFChars(env, jarg, NULL);
if (arg == NULL) {
/* exception thrown */
return (NULL);
}
/* Go get the default value */
opt = dd_getopt(scode, arg, NULL);
(*env)->ReleaseStringUTFChars(env, jarg, arg);
if (opt == NULL) {
throw_memory_exception(env);
return (NULL);
}
if (opt->error_code != 0) {
throw_bridge_exception(env, opt->u.msg);
dd_freeopt(opt);
return (NULL);
}
/* Construct the array */
jlist = (*env)->NewObjectArray(env, opt->u.ret.count, ip_class, NULL);
if (jlist == NULL) {
/* exception thrown */
dd_freeopt(opt);
return (NULL);
}
/* For each address, create an object and add it to the array */
for (i = 0; i < opt->u.ret.count; ++i) {
jstr = (*env)->NewStringUTF(env,
inet_ntoa(*opt->u.ret.data.addrs[i]));
if (jstr == NULL) {
/* exception thrown */
break;
}
jaddr = (*env)->NewObject(env, ip_class, ip_cons, jstr);
if (jaddr == NULL) {
/* exception thrown */
break;
}
(*env)->SetObjectArrayElement(env, jlist, i, jaddr);
if ((*env)->ExceptionOccurred(env) != NULL) {
break;
}
}
dd_freeopt(opt);
return (jlist);
}
/*ARGSUSED*/
JNIEXPORT jlongArray JNICALL
Java_com_sun_dhcpmgr_bridge_Bridge_getNumberOption(
JNIEnv *env,
jobject obj,
jshort code,
jstring jarg)
{
jlongArray list;
struct dhcp_option *opt;
const char *arg;
ushort_t scode = (ushort_t)code;
jlong *listel;
int i;
/* Get option to retrieve */
arg = (*env)->GetStringUTFChars(env, jarg, NULL);
if (arg == NULL) {
/* exception thrown */
return (NULL);
}
opt = dd_getopt(scode, arg, NULL);
(*env)->ReleaseStringUTFChars(env, jarg, arg);
if (opt == NULL) {
throw_memory_exception(env);
return (NULL);
}
if (opt->error_code != 0) {
throw_bridge_exception(env, opt->u.msg);
dd_freeopt(opt);
return (NULL);
}
/* Allocate return array */
list = (*env)->NewLongArray(env, opt->u.ret.count);
if (list == NULL) {
/* exception thrown */
dd_freeopt(opt);
return (NULL);
}
/* Get access to elements of return array, then copy data in */
listel = (*env)->GetLongArrayElements(env, list, NULL);
if (listel == NULL) {
/* exception thrown */
dd_freeopt(opt);
return (NULL);
}
for (i = 0; i < opt->u.ret.count; ++i) {
listel[i] = opt->u.ret.data.numbers[i];
}
/* Tell VM we're done so it can finish putting data back */
(*env)->ReleaseLongArrayElements(env, list, listel, 0);
dd_freeopt(opt);
return (list);
}
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_dhcpmgr_bridge_Bridge_writeDefaults(
JNIEnv *env,
jobject obj,
jobject jcfgs)
{
jclass cfg_class;
jmethodID cfg_getall;
jclass res_class;
jmethodID res_getkey;
jmethodID res_getval;
jmethodID res_iscom;
jobjectArray resArray;
jsize reslen;
jobject jobj, resobj;
dhcp_confopt_t *cfgs;
int i;
jboolean comment;
const char *tmpstr;
/* Make sure we can get at the classes we need */
cfg_class = find_class(env, CFG_CLASS);
if (cfg_class == NULL) {
/* exception thrown */
return;
}
cfg_getall = get_methodID(env, cfg_class, CFG_GETALL);
if (cfg_getall == NULL) {
/* exception thrown */
return;
}
res_class = find_class(env, RES_CLASS);
if (res_class == NULL) {
/* exception thrown */
return;
}
res_getkey = get_methodID(env, res_class, RES_GETKEY);
res_getval = get_methodID(env, res_class, RES_GETVAL);
res_iscom = get_methodID(env, res_class, RES_ISCOM);
if (res_getkey == NULL || res_getval == NULL || res_iscom == NULL) {
/* exception thrown */
return;
}
/* Get the resource array from the config object */
resArray = (*env)->CallObjectMethod(env, jcfgs, cfg_getall);
if ((*env)->ExceptionOccurred(env) != NULL) {
return;
}
reslen = (*env)->GetArrayLength(env, resArray);
/* Allocate array to convert into; extra zero'd item to signal end */
cfgs = calloc(reslen+1, sizeof (dhcp_confopt_t));
if (cfgs == NULL) {
throw_memory_exception(env);
return;
}
/* Now copy data into local array */
for (i = 0; i < reslen; ++i) {
jobj = (*env)->GetObjectArrayElement(env, resArray, i);
if (jobj == NULL) {
/* exception thrown */
free_dsvc_conf(cfgs);
return;
}
/* Set record type */
comment = (*env)->CallBooleanMethod(env, jobj, res_iscom);
if ((*env)->ExceptionOccurred(env) != NULL) {
return;
}
if (comment == JNI_TRUE) {
cfgs[i].co_type = DHCP_COMMENT;
} else {
cfgs[i].co_type = DHCP_KEY;
}
/*
* Get the key from the object, convert to a char *,
* and then duplicate into the cfgs array so that
* free_dsvc_conf can be used correctly.
* Do the same thing for the value.
*/
resobj = (*env)->CallObjectMethod(env, jobj, res_getkey);
tmpstr = (*env)->GetStringUTFChars(env, resobj, NULL);
if (tmpstr == NULL) {
/* exception thrown */
free_dsvc_conf(cfgs);
throw_bridge_exception(env,
gettext("Error converting key"));
return;
}
cfgs[i].co_key = strdup(tmpstr);
(*env)->ReleaseStringUTFChars(env, resobj, tmpstr);
if (cfgs[i].co_key == NULL) {
/* Out of memory, fail */
free_dsvc_conf(cfgs);
throw_memory_exception(env);
return;
}
resobj = (*env)->CallObjectMethod(env, jobj, res_getval);
tmpstr = (*env)->GetStringUTFChars(env, resobj, NULL);
if (tmpstr == NULL) {
free_dsvc_conf(cfgs);
throw_bridge_exception(env,
gettext("Error converting value"));
return;
}
cfgs[i].co_value = strdup(tmpstr);
(*env)->ReleaseStringUTFChars(env, resobj, tmpstr);
if (cfgs[i].co_value == NULL) {
/* Out of memory, fail */
free_dsvc_conf(cfgs);
throw_memory_exception(env);
return;
}
}
/* Now write the new data */
if (write_dsvc_conf(cfgs, CONFOPT_MODE) != 0) {
throw_bridge_exception(env, strerror(errno));
}
free_dsvc_conf(cfgs);
}