self.target = target
self.c_array_class_caches = set()
self.c_type_map = dict(
+ bool = ['boolean'],
uint8_t = ['byte'],
uint16_t = ['short'],
uint32_t = ['int'],
import java.nio.file.StandardCopyOption;
public class bindings {
- public static class VecOrSliceDef {
- public long dataptr;
- public long datalen;
- public long stride;
- public VecOrSliceDef(long dataptr, long datalen, long stride) {
- this.dataptr = dataptr; this.datalen = datalen; this.stride = stride;
- }
- }
static {
try {
// Try to load natively first, this works on Android and in testing.
throw new IllegalArgumentException(e);
}
}
- init(java.lang.Enum.class, VecOrSliceDef.class);
+ init(java.lang.Enum.class);
init_class_cache();
if (!get_lib_version_string().equals(version.get_ldk_java_bindings_version()))
throw new IllegalArgumentException("Compiled LDK library and LDK class failes do not match");
// Fetching the LDK versions from C also checks that the header and binaries match
System.err.println("Loaded LDK-Java Bindings " + version.get_ldk_java_bindings_version() + " with LDK " + get_ldk_version() + " and LDK-C-Bindings " + get_ldk_c_bindings_version());
}
- static native void init(java.lang.Class c, java.lang.Class slicedef);
+ static native void init(java.lang.Class c);
static native void init_class_cache();
static native String get_lib_version_string();
public static native String get_ldk_c_bindings_version();
public static native String get_ldk_version();
- public static native boolean deref_bool(long ptr);
- public static native long deref_long(long ptr);
- public static native void free_heap_ptr(long ptr);
- public static native byte[] read_bytes(long ptr, long len);
- public static native byte[] get_u8_slice_bytes(long slice_ptr);
- public static native long bytes_to_u8_vec(byte[] bytes);
- public static native long new_txpointer_copy_data(byte[] txdata);
- public static native void txpointer_free(long ptr);
- public static native byte[] txpointer_get_buffer(long ptr);
- public static native long vec_slice_len(long vec);
- public static native long new_empty_slice_vec();
-
"""
self.bindings_version_file = """package org.ldk.impl;
}
}"""
- self.bindings_footer = "}\n"
-
self.util_fn_pfx = """package org.ldk.structs;
import org.ldk.impl.bindings;
import org.ldk.enums.*;
"""
self.c_file_pfx = self.c_file_pfx + """
static jmethodID ordinal_meth = NULL;
-static jmethodID slicedef_meth = NULL;
-static jclass slicedef_cls = NULL;
-JNIEXPORT void Java_org_ldk_impl_bindings_init(JNIEnv * env, jclass _b, jclass enum_class, jclass slicedef_class) {
+JNIEXPORT void Java_org_ldk_impl_bindings_init(JNIEnv * env, jclass _b, jclass enum_class) {
ordinal_meth = (*env)->GetMethodID(env, enum_class, "ordinal", "()I");
CHECK(ordinal_meth != NULL);
- slicedef_meth = (*env)->GetMethodID(env, slicedef_class, "<init>", "(JJJ)V");
- CHECK(slicedef_meth != NULL);
- slicedef_cls = (*env)->NewGlobalRef(env, slicedef_class);
- CHECK(slicedef_cls != NULL);
-}
-
-JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_deref_1bool (JNIEnv * env, jclass _a, jlong ptr) {
- return *((bool*)ptr);
-}
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_deref_1long (JNIEnv * env, jclass _a, jlong ptr) {
- return *((long*)ptr);
-}
-JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_free_1heap_1ptr (JNIEnv * env, jclass _a, jlong ptr) {
- FREE((void*)ptr);
-}
-JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_read_1bytes (JNIEnv * env, jclass _b, jlong ptr, jlong len) {
- jbyteArray ret_arr = (*env)->NewByteArray(env, len);
- (*env)->SetByteArrayRegion(env, ret_arr, 0, len, (unsigned char*)ptr);
- return ret_arr;
-}
-JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes (JNIEnv * env, jclass _b, jlong slice_ptr) {
- LDKu8slice *slice = (LDKu8slice*)slice_ptr;
- jbyteArray ret_arr = (*env)->NewByteArray(env, slice->datalen);
- (*env)->SetByteArrayRegion(env, ret_arr, 0, slice->datalen, slice->data);
- return ret_arr;
-}
-JNIEXPORT int64_t impl_bindings_bytes_1to_1u8_1vec (JNIEnv * env, jclass _b, jbyteArray bytes) {
- LDKCVec_u8Z *vec = (LDKCVec_u8Z*)MALLOC(sizeof(LDKCVec_u8Z), "LDKCVec_u8");
- vec->datalen = (*env)->GetArrayLength(env, bytes);
- vec->data = (uint8_t*)MALLOC(vec->datalen, "LDKCVec_u8Z Bytes");
- (*env)->GetByteArrayRegion (env, bytes, 0, vec->datalen, vec->data);
- return (uint64_t)vec;
-}
-JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_txpointer_1get_1buffer (JNIEnv * env, jclass _b, jlong ptr) {
- LDKTransaction *txdata = (LDKTransaction*)ptr;
- LDKu8slice slice;
- slice.data = txdata->data;
- slice.datalen = txdata->datalen;
- return Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes(env, _b, (uint64_t)&slice);
-}
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_new_1txpointer_1copy_1data (JNIEnv * env, jclass _b, jbyteArray bytes) {
- LDKTransaction *txdata = (LDKTransaction*)MALLOC(sizeof(LDKTransaction), "LDKTransaction");
- txdata->datalen = (*env)->GetArrayLength(env, bytes);
- txdata->data = (uint8_t*)MALLOC(txdata->datalen, "Tx Data Bytes");
- txdata->data_is_owned = false;
- (*env)->GetByteArrayRegion (env, bytes, 0, txdata->datalen, txdata->data);
- return (uint64_t)txdata;
-}
-JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_txpointer_1free (JNIEnv * env, jclass _b, jlong ptr) {
- LDKTransaction *tx = (LDKTransaction*)ptr;
- tx->data_is_owned = true;
- Transaction_free(*tx);
- FREE((void*)ptr);
-}
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_vec_1slice_1len (JNIEnv * env, jclass _a, jlong ptr) {
- // Check offsets of a few Vec types are all consistent as we're meant to be generic across types
- _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_SignatureZ, datalen), "Vec<*> needs to be mapped identically");
- _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_MessageSendEventZ, datalen), "Vec<*> needs to be mapped identically");
- _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_EventZ, datalen), "Vec<*> needs to be mapped identically");
- _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_C2Tuple_usizeTransactionZZ, datalen), "Vec<*> needs to be mapped identically");
- LDKCVec_u8Z *vec = (LDKCVec_u8Z*)ptr;
- return (uint64_t)vec->datalen;
-}
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_new_1empty_1slice_1vec (JNIEnv * env, jclass _b) {
- // Check sizes of a few Vec types are all consistent as we're meant to be generic across types
- _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_SignatureZ), "Vec<*> needs to be mapped identically");
- _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_MessageSendEventZ), "Vec<*> needs to be mapped identically");
- _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_EventZ), "Vec<*> needs to be mapped identically");
- _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_C2Tuple_usizeTransactionZZ), "Vec<*> needs to be mapped identically");
- LDKCVec_u8Z *vec = (LDKCVec_u8Z*)MALLOC(sizeof(LDKCVec_u8Z), "Empty LDKCVec");
- vec->data = NULL;
- vec->datalen = 0;
- return (uint64_t)vec;
}
// We assume that CVec_u8Z and u8slice are the same size and layout (and thus pointers to the two can be mixed)
import javax.annotation.Nullable;
"""
+ self.hu_struct_file_suffix = ""
self.c_fn_ty_pfx = "JNIEXPORT "
self.c_fn_args_pfx = "JNIEnv *env, jclass clz"
self.file_ext = ".java"
self.is_arr_some_check = ("", " != NULL")
self.get_native_arr_len_call = ("(*env)->GetArrayLength(env, ", ")")
+ def bindings_footer(self):
+ return "}\n"
+
def construct_jenv(self):
res = "JNIEnv *env;\n"
res += "jint get_jenv_res = (*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_6);\n"
else:
if arg.nullable:
out_java_struct += "@Nullable "
- ty_string = arg.java_hu_ty
- if arg.java_fn_ty_arg[0] == "L" and arg.java_fn_ty_arg[len(arg.java_fn_ty_arg) - 1] == ";":
- ty_string = arg.java_fn_ty_arg.strip("L;").replace("/", ".")
+ ty_string = self.fully_qualified_hu_ty_path(arg)
out_java_struct += ty_string + " " + arg.arg_name
out_java += (");\n")
out_c += (") {\n")
projects / ldk-java / blobdiff