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/*
* Copyright (C) NGINX, Inc.
*/
#include <nxt_auto_config.h>
#include <nxt_unit.h>
#include <nxt_unit_request.h>
#include <jni.h>
#include <stdio.h>
#include "nxt_jni.h"
#include "nxt_jni_URLClassLoader.h"
#include "nxt_jni_HeaderNamesEnumeration.h"
static jlong JNICALL nxt_java_HeaderNamesEnumeration_nextElementPos(JNIEnv *env,
jclass cls, jlong headers_ptr, jlong size, jlong pos);
static jstring JNICALL nxt_java_HeaderNamesEnumeration_nextElement(JNIEnv *env,
jclass cls, jlong headers_ptr, jlong size, jlong pos);
static jclass nxt_java_HeaderNamesEnumeration_class;
static jmethodID nxt_java_HeaderNamesEnumeration_ctor;
int
nxt_java_initHeaderNamesEnumeration(JNIEnv *env, jobject cl)
{
int res;
jclass cls;
cls = nxt_java_loadClass(env, cl, "nginx.unit.HeaderNamesEnumeration");
if (cls == NULL) {
return NXT_UNIT_ERROR;
}
nxt_java_HeaderNamesEnumeration_class = (*env)->NewGlobalRef(env, cls);
(*env)->DeleteLocalRef(env, cls);
cls = nxt_java_HeaderNamesEnumeration_class;
nxt_java_HeaderNamesEnumeration_ctor = (*env)->GetMethodID(env, cls,
"<init>", "(JJ)V");
if (nxt_java_HeaderNamesEnumeration_ctor == NULL) {
(*env)->DeleteGlobalRef(env, cls);
return NXT_UNIT_ERROR;
}
JNINativeMethod hnenum_methods[] = {
{ (char *) "nextElementPos",
(char *) "(JJJ)J",
nxt_java_HeaderNamesEnumeration_nextElementPos },
{ (char *) "nextElement",
(char *) "(JJJ)Ljava/lang/String;",
nxt_java_HeaderNamesEnumeration_nextElement },
};
res = (*env)->RegisterNatives(env, nxt_java_HeaderNamesEnumeration_class,
hnenum_methods,
sizeof(hnenum_methods)
/ sizeof(hnenum_methods[0]));
nxt_unit_debug(NULL, "registered HeaderNamesEnumeration methods: %d", res);
if (res != 0) {
(*env)->DeleteGlobalRef(env, cls);
return NXT_UNIT_ERROR;
}
return NXT_UNIT_OK;
}
jobject
nxt_java_newHeaderNamesEnumeration(JNIEnv *env, nxt_unit_field_t *f,
uint32_t fields_count)
{
return (*env)->NewObject(env,
nxt_java_HeaderNamesEnumeration_class,
nxt_java_HeaderNamesEnumeration_ctor, nxt_ptr2jlong(f),
(jlong) fields_count);
}
static jlong JNICALL
nxt_java_HeaderNamesEnumeration_nextElementPos(JNIEnv *env, jclass cls,
jlong headers_ptr, jlong size, jlong pos)
{
nxt_unit_field_t *f;
f = nxt_jlong2ptr(headers_ptr);
if (pos >= size) {
return size;
}
if (pos > 0) {
while (pos < size
&& f[pos].hash == f[pos - 1].hash
&& f[pos].name_length == f[pos - 1].name_length)
{
pos++;
}
}
return pos;
}
static jstring JNICALL
nxt_java_HeaderNamesEnumeration_nextElement(JNIEnv *env, jclass cls,
jlong headers_ptr, jlong size, jlong pos)
{
char *name, tmp;
jstring res;
nxt_unit_field_t *f;
f = nxt_jlong2ptr(headers_ptr);
if (pos > 0) {
while (pos < size
&& f[pos].hash == f[pos - 1].hash
&& f[pos].name_length == f[pos - 1].name_length)
{
pos++;
}
}
if (pos >= size) {
nxt_java_throw_NoSuchElementException(env, "pos >= size");
return NULL;
}
f += pos;
name = nxt_unit_sptr_get(&f->name);
tmp = name[f->name_length];
if (tmp != '\0') {
name[f->name_length] = '\0';
}
res = (*env)->NewStringUTF(env, name);
if (tmp != '\0') {
name[f->name_length] = tmp;
}
return res;
}
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