mas01mj@725: #include <sys/stat.h>
mas01mj@722: #include "org_omras2_AudioDB.h"
mas01mj@722: #include "org_omras2_AudioDB_Mode.h"
mas01mj@722: #include <jni.h>
mas01mj@722: #include "audioDB_API.h"
mas01mj@724: #include <stdlib.h>
mas01mj@725: #include <fcntl.h>
mas01mj@725: 
mas01mj@725: // Following Ben's lead here!
mas01mj@725: #define ADB_HEADER_FLAG_L2NORM 0x1
mas01mj@725: #define ADB_HEADER_FLAG_POWER 0x4
mas01mj@725: #define ADB_HEADER_FLAG_TIMES 0x20
mas01mj@725: #define ADB_HEADER_FLAG_REFERENCES 0x40
mas01mj@725: 
mas01mj@725: 
mas01mj@725: adb_t* get_handle(JNIEnv *env, jobject obj)
mas01mj@725: {
mas01mj@725: 	// Fetch the adb pointer
mas01mj@725: 
mas01mj@725: 	adb_t *handle;
mas01mj@725: 	
mas01mj@725: 	jclass adbClass = (*env)->GetObjectClass(env, obj);
mas01mj@725: 	jfieldID fid = (*env)->GetFieldID(env, adbClass, "adbHandle", "J");
mas01mj@725: 	if(fid == NULL) {
mas01mj@725: 		return;
mas01mj@725: 	}
mas01mj@725: 	
mas01mj@725: 	handle = (adb_t*)((*env)->GetLongField(env, obj, fid)); 
mas01mj@725: 	(*env)->DeleteLocalRef(env, adbClass);
mas01mj@725: 	return handle;	
mas01mj@725: }
mas01mj@722: 
mas01mj@722: JNIEXPORT jboolean JNICALL Java_org_omras2_AudioDB_audiodb_1create (JNIEnv *env, jobject obj, jstring path, jint datasize, jint ntracks, jint datadim)
mas01mj@722: {
mas01mj@722: 	char buf[256];
mas01mj@722: 	const char *str;
mas01mj@722: 	str = (*env)->GetStringUTFChars(env, path, NULL);
mas01mj@722: 	if (str == NULL)
mas01mj@722: 		return;
mas01mj@722: 
mas01mj@722: 	adb_t *handle;
mas01mj@722: 	handle = audiodb_create(str, datasize, ntracks, datadim);
mas01mj@722: 	if(!handle)
mas01mj@722: 		return JNI_FALSE;
mas01mj@724: 	
mas01mj@725: 	(*env)->ReleaseStringUTFChars(env, path, str);
mas01mj@725: 	return JNI_TRUE;
mas01mj@725: }
mas01mj@725: 
mas01mj@725: JNIEXPORT jboolean JNICALL Java_org_omras2_AudioDB_audiodb_1open (JNIEnv *env, jobject obj, jstring path, jobject mode)
mas01mj@725: {
mas01mj@725: 	// TODO: If we have a handle, close the old one.
mas01mj@725: 	if(get_handle(env, obj))
mas01mj@725: 	{
mas01mj@725: 		return;
mas01mj@725: 	}
mas01mj@725: 
mas01mj@725: 	jclass modeClass = (*env)->FindClass(env, "org/omras2/AudioDB$Mode");
mas01mj@725: 	jmethodID getNameMethod = (*env)->GetMethodID(env, modeClass, "name", "()Ljava/lang/String;");
mas01mj@725: 	jstring value = (jstring)(*env)->CallObjectMethod(env, mode, getNameMethod);
mas01mj@725: 	const char* openMode = (*env)->GetStringUTFChars(env, value, 0);
mas01mj@725: 	const char* pathVal = (*env)->GetStringUTFChars(env, path, 0);
mas01mj@725: 	int modeVal = 0;
mas01mj@725: 	if(strcmp(openMode, "O_RDWR") == 0)
mas01mj@725: 	{
mas01mj@725: 		modeVal = O_RDWR;
mas01mj@725: 	}
mas01mj@725: 	else if(strcmp(openMode, "O_RDONLY") == 0)
mas01mj@725: 	{
mas01mj@725: 		modeVal = O_RDONLY;
mas01mj@725: 	}
mas01mj@725: 	else
mas01mj@725: 		return;
mas01mj@725: 
mas01mj@725: 	adb_t *handle;
mas01mj@725: 	handle = audiodb_open(pathVal, modeVal);
mas01mj@724: 	jclass adbClass = (*env)->GetObjectClass(env, obj);
mas01mj@724: 	jfieldID fid = (*env)->GetFieldID(env, adbClass, "adbHandle", "J");
mas01mj@724: 	if(fid == NULL) {
mas01mj@724: 		return;
mas01mj@724: 	}
mas01mj@724: 	(*env)->SetLongField(env, obj, fid, (long)handle);
mas01mj@724: 	(*env)->DeleteLocalRef(env, adbClass);
mas01mj@722: 
mas01mj@722: 	return JNI_TRUE;
mas01mj@722: }
mas01mj@722: 
mas01mj@725: JNIEXPORT void JNICALL Java_org_omras2_AudioDB_audiodb_1close (JNIEnv *env, jobject obj)
mas01mj@722: {
mas01mj@725: 	adb_t *handle = get_handle(env, obj);
mas01mj@725: 	if(!handle)
mas01mj@725: 		return;
mas01mj@725: 
mas01mj@725: 	audiodb_close(handle);
mas01mj@725: 	
mas01mj@725: 	jclass adbClass = (*env)->GetObjectClass(env, obj);
mas01mj@725: 	jfieldID fid = (*env)->GetFieldID(env, adbClass, "adbHandle", "J");
mas01mj@725: 	
mas01mj@725: 	if(fid == NULL) {
mas01mj@725: 		return;
mas01mj@725: 	}
mas01mj@725: 
mas01mj@725: 	(*env)->SetLongField(env, obj, fid, 0);
mas01mj@725: 	(*env)->DeleteLocalRef(env, adbClass);
mas01mj@725: }
mas01mj@725: 
mas01mj@725: JNIEXPORT jboolean JNICALL Java_org_omras2_AudioDB_audiodb_1insert_1path(JNIEnv *env, jobject obj, jstring key, jstring features, jstring power, jstring times)
mas01mj@725: {
mas01mj@725: 	adb_t *handle = get_handle(env, obj);
mas01mj@725: 	if(!handle)
mas01mj@725: 		return JNI_FALSE;
mas01mj@725: 	
mas01mj@725: 	adb_insert_t* ins = (adb_insert_t *)malloc(sizeof(adb_insert_t));
mas01mj@725: 	ins->key = NULL;
mas01mj@725: 	ins->features = NULL;
mas01mj@725: 	ins->power = NULL;
mas01mj@725: 	ins->times = NULL;
mas01mj@725: 
mas01mj@725: 	if(key)
mas01mj@725: 		ins->key = (*env)->GetStringUTFChars(env, key, 0);
mas01mj@725: 	if(features)
mas01mj@725: 		ins->features = (*env)->GetStringUTFChars(env, features, 0);
mas01mj@725: 	if(power)
mas01mj@725: 		ins->power = (*env)->GetStringUTFChars(env, power, 0);
mas01mj@725: 	if(times)
mas01mj@725: 		ins->times = (*env)->GetStringUTFChars(env, times, 0);
mas01mj@725: 
mas01mj@725: 	int result = audiodb_insert(handle, ins);
mas01mj@725: 
mas01mj@725: 	if(result)
mas01mj@725: 		return JNI_FALSE;
mas01mj@725: 	
mas01mj@725: 	return JNI_TRUE;
mas01mj@722: }
mas01mj@722: 
mas01mj@722: JNIEXPORT void JNICALL Java_org_omras2_AudioDB_query(JNIEnv *env, jobject obj)
mas01mj@722: {
mas01mj@722: }
mas01mj@722: 
mas01mj@724: JNIEXPORT jobject JNICALL Java_org_omras2_AudioDB_audiodb_1status(JNIEnv *env, jobject obj)
mas01mj@722: {
mas01mj@725: 	adb_t *handle = get_handle(env, obj);
mas01mj@725: 	if(!handle)
mas01mj@725: 		return NULL;
mas01mj@724: 	adb_status_t *status;
mas01mj@724: 	status = (adb_status_t *)malloc(sizeof(adb_status_t));
mas01mj@724: 	int flags = audiodb_status(handle, status);	
mas01mj@724: 	
mas01mj@724: 	jclass statusClass = (*env)->FindClass(env, "org/omras2/Status");
mas01mj@724: 	if(statusClass == NULL) {
mas01mj@724: 		return NULL;
mas01mj@724: 	}	
mas01mj@724: 	jmethodID cid = (*env)->GetMethodID(env, statusClass, "<init>", "()V");
mas01mj@724: 	if(cid == NULL) {
mas01mj@724: 		return NULL;
mas01mj@724: 	}
mas01mj@724: 
mas01mj@724: 	jobject result = (*env)->NewObject(env, statusClass, cid);
mas01mj@724: 
mas01mj@725: 	// This needs a macro!
mas01mj@725: 	jfieldID fid = (*env)->GetFieldID(env, statusClass, "numFiles", "I");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@724: 	(*env)->SetIntField(env, result, fid, status->numFiles);
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "dim", "I");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetIntField(env, result, fid, status->dim);
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "dudCount", "I");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetIntField(env, result, fid, status->dudCount);
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "nullCount", "I");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetIntField(env, result, fid, status->nullCount);
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "length", "I");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetIntField(env, result, fid, status->length);
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "dataRegionSize", "I");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetIntField(env, result, fid, status->data_region_size);
mas01mj@725: 
mas01mj@725: 	// Flags
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "isL2Normed", "Z");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetBooleanField(env, result, fid, (status->flags & ADB_HEADER_FLAG_L2NORM));
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "hasPower", "Z");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetBooleanField(env, result, fid, (status->flags & ADB_HEADER_FLAG_POWER));
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "hasTimes", "Z");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetBooleanField(env, result, fid, (status->flags & ADB_HEADER_FLAG_TIMES));
mas01mj@725: 	
mas01mj@725: 	fid = (*env)->GetFieldID(env, statusClass, "hasReferences", "Z");
mas01mj@725: 	if(fid == NULL) return;
mas01mj@725: 	(*env)->SetBooleanField(env, result, fid, (status->flags & ADB_HEADER_FLAG_REFERENCES));
mas01mj@724: 
mas01mj@724: 	(*env)->DeleteLocalRef(env, statusClass);
mas01mj@724: 
mas01mj@724: 	return result;
mas01mj@722: }
mas01mj@722: