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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_HeadersEnumeration.h"
static jclass nxt_java_HeadersEnumeration_class;
static jmethodID nxt_java_HeadersEnumeration_ctor;
static jlong JNICALL nxt_java_HeadersEnumeration_nextElementPos(JNIEnv *env,
jclass cls, jlong headers_ptr, jlong size, jlong ipos, jlong pos);
static jstring JNICALL nxt_java_HeadersEnumeration_nextElement(JNIEnv *env,
jclass cls, jlong headers_ptr, jlong size, jlong ipos, jlong pos);
int
nxt_java_initHeadersEnumeration(JNIEnv *env, jobject cl)
{
int res;
jclass cls;
cls = nxt_java_loadClass(env, cl, "nginx.unit.HeadersEnumeration");
if (cls == NULL) {
return NXT_UNIT_ERROR;
}
nxt_java_HeadersEnumeration_class = (*env)->NewGlobalRef(env, cls);
(*env)->DeleteLocalRef(env, cls);
cls = nxt_java_HeadersEnumeration_class;
nxt_java_HeadersEnumeration_ctor = (*env)->GetMethodID(env, cls,
"<init>", "(JJJ)V");
if (nxt_java_HeadersEnumeration_ctor == NULL) {
(*env)->DeleteGlobalRef(env, cls);
return NXT_UNIT_ERROR;
}
JNINativeMethod methods[] = {
{ (char *) "nextElementPos",
(char *) "(JJJJ)J",
nxt_java_HeadersEnumeration_nextElementPos },
{ (char *) "nextElement",
(char *) "(JJJJ)Ljava/lang/String;",
nxt_java_HeadersEnumeration_nextElement },
};
res = (*env)->RegisterNatives(env, nxt_java_HeadersEnumeration_class,
methods,
sizeof(methods) / sizeof(methods[0]));
nxt_unit_debug(NULL, "registered HeadersEnumeration methods: %d", res);
if (res != 0) {
(*env)->DeleteGlobalRef(env, cls);
return NXT_UNIT_ERROR;
}
return NXT_UNIT_OK;
}
jobject
nxt_java_newHeadersEnumeration(JNIEnv *env, nxt_unit_field_t *f,
uint32_t fields_count, uint32_t pos)
{
return (*env)->NewObject(env,
nxt_java_HeadersEnumeration_class,
nxt_java_HeadersEnumeration_ctor, nxt_ptr2jlong(f),
(jlong) fields_count, (jlong) pos);
}
static jlong JNICALL
nxt_java_HeadersEnumeration_nextElementPos(JNIEnv *env, jclass cls,
jlong headers_ptr, jlong size, jlong ipos, jlong pos)
{
nxt_unit_field_t *f, *init_field;
f = nxt_jlong2ptr(headers_ptr);
init_field = f + ipos;
if (pos >= size) {
return size;
}
f += pos;
if (f->hash != init_field->hash
|| f->name_length != init_field->name_length)
{
return size;
}
if (!nxt_java_strcaseeq(nxt_unit_sptr_get(&f->name),
nxt_unit_sptr_get(&init_field->name),
init_field->name_length))
{
return size;
}
return pos;
}
static jstring JNICALL
nxt_java_HeadersEnumeration_nextElement(JNIEnv *env, jclass cls,
jlong headers_ptr, jlong size, jlong ipos, jlong pos)
{
nxt_unit_field_t *f, *init_field;
f = nxt_jlong2ptr(headers_ptr);
init_field = f + ipos;
if (pos >= size) {
nxt_java_throw_IOException(env, "pos >= size");
return NULL;
}
f += pos;
if (f->hash != init_field->hash
|| f->name_length != init_field->name_length)
{
nxt_java_throw_IOException(env, "f->hash != hash");
return NULL;
}
return nxt_java_newString(env, nxt_unit_sptr_get(&f->value),
f->value_length);
}
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