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Application-Serial.cpp
539 lines (459 loc) · 15.3 KB
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Application-Serial.cpp
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#include "jni.h"
#include <stdio.h>
#include <vector>
#include <stdlib.h>
#include <string.h>
#include <cstring>
#include <iterator>
#include <vector>
#include <iostream>
#include <omp.h>
#include <time.h>
#include <chrono>
#define NUM_THREADS 2
#define total 13
#define NUM_SECTOR 16
#define NUM_SPEED 6
using namespace std;
int capacity[total];
vector<float> windSpeeds;
vector<float> windDirs;
vector<string> stationIds;
int result[NUM_SECTOR][NUM_SPEED]={0};
char dataDir[100]="/home/viraj/Downloads/mesonet";
class WeatherData{
public:
static void getFloatData(JavaVM *vm,JNIEnv *env,char attr[100],string &fileN,char dir[100],int size)
{
int getEnvStat = vm->GetEnv((void **)&env, JNI_VERSION_1_6);
if (vm->AttachCurrentThread((void **) &env, NULL) != 0) {
std::cout << "Failed to attach" << std::endl;
}
//Input A String
jstring directory = env->NewStringUTF(dir);
char *fileNam = new char[fileN.length() + 1];
strcpy(fileNam,fileN.c_str());
jstring fileName = env->NewStringUTF(fileNam);
jstring attribute = env->NewStringUTF(attr);
//Search For Class
jclass parseData = env->FindClass("ParseData");
if(parseData == nullptr)
{
printf("\nERROR: class not found !");
vm->DetachCurrentThread();
return;
}
// Find Method Get Float Attribute
jmethodID getFloatAttribute = env->GetStaticMethodID(parseData, "getFloatAttribute", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)[F"); // find method
if(getFloatAttribute == nullptr)
{
printf("\nERROR: Method getStringAttribute() not found!");
vm->DetachCurrentThread();
return;
}
jfloatArray floatArray=(jfloatArray)env->CallStaticObjectMethod(parseData, getFloatAttribute,fileName,directory,attribute); // call Method
if(floatArray==nullptr)
{
printf("\nMethod GetAttribute Failed!\n");
vm->DetachCurrentThread();
return;
}
jfloat *narr = env->GetFloatArrayElements(floatArray, NULL);
char* ws = "windSpeed";
char* wd = "windDir";
if(strcmp(attr, ws) == 0)
windSpeeds.insert(windSpeeds.begin() , narr, narr+size);
else if(strcmp(attr, wd)==0)
windDirs.insert(windDirs.begin() , narr, narr+size);
vm->DetachCurrentThread();
}
static void deleteFile(JavaVM *vm,JNIEnv *env,string &fileN,char dir[100])
{
int getEnvStat = vm->GetEnv((void **)&env, JNI_VERSION_1_6);
if (vm->AttachCurrentThread((void **) &env, NULL) != 0)
{
std::cout << "Failed to attach" << std::endl;
return;
}
jstring directory = env->NewStringUTF(dir);
char *fileNam = new char[fileN.length() + 1];
strcpy(fileNam,fileN.c_str());
jstring fileName = env->NewStringUTF(fileNam);
//Search For Class
jclass parseData = env->FindClass("ParseData");
if(parseData == nullptr)
{
printf("\nERROR: class not found !");
vm->DetachCurrentThread();
return;
}
// Find Method Get Float Attribute
jmethodID deleteFile = env->GetStaticMethodID(parseData, "deleteFile", "(Ljava/lang/String;Ljava/lang/String;)V"); // find method
if(deleteFile == nullptr)
{
printf("\nERROR: Method getStringAttribute() not found!");
vm->DetachCurrentThread();
return;
}
env->CallStaticVoidMethod(parseData, deleteFile,fileName,directory); // call Method
vm->DetachCurrentThread();
}
static void getStringData(JavaVM *vm,JNIEnv *env,char attr[100],string &fileN,char dir[100],int size)
{
int getEnvStat = vm->GetEnv((void **)&env, JNI_VERSION_1_6);
if (vm->AttachCurrentThread((void **) &env, NULL) != 0)
{
std::cout << "Failed to attach" << std::endl;
}
//Input A String
jstring directory = env->NewStringUTF(dir);
char *fileNam = new char[fileN.length() + 1];
strcpy(fileNam,fileN.c_str());
jstring fileName = env->NewStringUTF(fileNam);
jstring attribute = env->NewStringUTF(attr);
//Search For Class
jclass parseData = env->FindClass("ParseData");
if(parseData == nullptr)
{
printf("\nERROR: class not found !");
vm->DetachCurrentThread();
return;
}
// Find Method Get Float Attribute
jmethodID getStringAttribute = env->GetStaticMethodID(parseData, "getStringAttribute", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/String;"); // find method
if(getStringAttribute == nullptr)
{
printf("\nERROR: Method getFloatAttribute() not found!");
vm->DetachCurrentThread();
return;
}
jobjectArray objectArray=(jobjectArray)env->CallStaticObjectMethod(parseData, getStringAttribute,fileName,directory,attribute); // call Method
if(objectArray==nullptr)
{
printf("\nMethod GetAttribute Failed!\n");
vm->DetachCurrentThread();
return;
}
int stringCount = env->GetArrayLength(objectArray);
for (int i=0; i<stringCount; i++)
{
jstring string = (jstring) env->GetObjectArrayElement(objectArray, i);
const char *rawString = env->GetStringUTFChars(string, 0);
stationIds.push_back(rawString);
env->ReleaseStringUTFChars(string,rawString);
}
env->DeleteLocalRef(objectArray);
vm->DetachCurrentThread();
}
static void getSize(JavaVM *vm,JNIEnv *env,char attr[100],string &fileN,char dir[100],int offset)
{
int getEnvStat = vm->GetEnv((void **)&env, JNI_VERSION_1_6);
if(vm->AttachCurrentThread((void **) &env, NULL) != 0)
{
cout << "Failed to attach" << std::endl;
return;
}
//Input A String
jstring directory = env->NewStringUTF(dir);
char *fileNam = new char[fileN.length() + 1];
strcpy(fileNam,fileN.c_str());
jstring fileName = env->NewStringUTF(fileNam);
jstring attribute = env->NewStringUTF(attr);
//Search For Class
jclass parseData = env->FindClass("ParseData");
if(parseData == nullptr)
{
printf("\nERROR: class not found !");
vm->DetachCurrentThread();
return;
}
//Search For Method
jmethodID getInt = env->GetStaticMethodID(parseData, "getSize", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)I");
if(getInt == nullptr)
{
printf("\nERROR: Method getSize() not found!");
vm->DetachCurrentThread();
return;
}
jint size=env->CallStaticIntMethod(parseData, getInt,fileName,directory,attribute);
capacity[offset]=size;
vm->DetachCurrentThread();
}
static int calcSpeedBin(float windSpd) {
if(windSpd == 0) return 0;
else if(windSpd > 0 && windSpd <=5) return 1;
else if(windSpd > 5 && windSpd <=10) return 2;
else if(windSpd > 10 && windSpd <=15) return 3;
else if(windSpd > 15 && windSpd <=25) return 4;
else return 5;
}
static int calcDirectBin(float windDir, int numSectors) {
return int(windDir)%numSectors;
}
static int** calcBins(vector<float> windSpeeds, vector<float> windDirs)
{
int numSector = 16;
int numSpds = 6;
int** wr = new int*[16];
// #pragma omp parallel for
for (int i = 0; i < 16; ++i)
{
wr[i] = new int[6];
}
for(int i = 0; i < numSector; i++)
{
for(int j = 0; j < numSpds; j++)
{
wr[i][j] = 0;
}
}
int s,d;
for(int i = 0; i < windSpeeds.size(); i++)
{
s = calcSpeedBin(windSpeeds[i]);
d = calcDirectBin(windDirs[i], numSector);
if(s < 0 || s > 5)
continue;
if(d < 0 || d > 15)
continue;
wr[d][s]++;
}
int count = 0;
for(int i = 0; i < numSector; i++)
{
for(int j = 0; j < numSpds; j++)
{
count += wr[i][j];
}
}
return wr;
}
static void calcBins1(vector<float> allWindSpeeds, vector<float> allWindDirs,vector<string> allStationIds,string stationId)
{
int n_rec = allWindSpeeds.size();
int nDiv8 = n_rec / 8 * 8;
string* stationIds = &allStationIds[0];
float windSpeed, windDir;
int s, d;
int arr[NUM_SECTOR][NUM_SPEED] = {0};
for(int i = 0; i < nDiv8; i+=8) {
if(stationIds[i] == stationId) {
windSpeed = windSpeeds[i];
windDir = windDirs[i];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
if(stationIds[i+1] == stationId) {
windSpeed = windSpeeds[i+1];
windDir = windDirs[i+1];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
if(stationIds[i+2] == stationId) {
windSpeed = windSpeeds[i+2];
windDir = windDirs[i+2];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
if(stationIds[i+3] == stationId) {
windSpeed = windSpeeds[i+3];
windDir = windDirs[i+3];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
if(stationIds[i+4] == stationId) {
windSpeed = windSpeeds[i+4];
windDir = windDirs[i+4];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
if(stationIds[i+5] == stationId) {
windSpeed = windSpeeds[i+5];
windDir = windDirs[i+5];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
if(stationIds[i+6] == stationId) {
windSpeed = windSpeeds[i+6];
windDir = windDirs[i+6];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
if(stationIds[i+7] == stationId) {
windSpeed = windSpeeds[i+7];
windDir = windDirs[i+7];
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
arr[d][s]++;
}
}
}
}
for(int i = 0; i < NUM_SECTOR; i++) {
for(int j = 0; j < NUM_SPEED; j++) {
#pragma omp atomic update
result[i][j] += arr[i][j];
}
}
for(int i = nDiv8; i < n_rec; i++) {
if(stationIds[i] == stationId) {
windSpeed = windSpeeds[i];
windDir = windDirs[i]/22.5;
if(windSpeed > 0 && windSpeed < 300) {
if(windDir > 0 && windDir <= 360) {
if(windSpeed == 0) s = 0;
else if(windSpeed > 0 && windSpeed <=5) s = 1;
else if(windSpeed > 5 && windSpeed <=10) s = 2;
else if(windSpeed > 10 && windSpeed <=15) s = 3;
else if(windSpeed > 15 && windSpeed <=25) s = 4;
else s = 5;
d = windDir/22.5;
result[d][s]++;
}
}
}
}
}
};
int main(int argc, char** argv) {
//Creating VM And ENV Variables
JavaVM *vm;
JNIEnv *env;
JavaVMInitArgs vm_args;
JavaVMOption* options = new JavaVMOption[1];
//VM Arguments
options[0].optionString = (char *)"-Djava.class.path=.:jars/netcdfAll-4.5.jar";
vm_args.version = JNI_VERSION_1_6;
vm_args.nOptions = 1;
vm_args.ignoreUnrecognized = 1;
vm_args.options=options;
// Construct a VM
jint res = JNI_CreateJavaVM(&vm, (void **)&env, &vm_args);
//Delete Options
delete options;
//////////////////////////////////////////////////////////////////////////////////////////////////
//array of file names
string fileName[total];
fileName[0]="20130101_0300.gz";
fileName[1]="20130101_0700.gz";
fileName[2]="20130101_1100.gz";
fileName[3]="20130101_0000.gz";
fileName[4]="20130101_0400.gz";
fileName[5]="20130101_0800.gz";
fileName[6]="20130101_1200.gz";
fileName[7]="20130101_0100.gz";
fileName[8]="20130101_0500.gz";
fileName[9]="20130101_0900.gz";
fileName[10]="20130101_0200.gz";
fileName[11]="20130101_0600.gz";
fileName[12]="20130101_1000.gz";
//for(int i=0;i<total;i++)
// fileName[i]="20130101_0000.gz";
clock_t tStart = clock();
//Parallel Execution of for loop to get the size for each file
for ( int i = 0; i < total; i++)
WeatherData::getSize(vm,env,"latitude",fileName[i],dataDir,i);
//Parallel Execution of for loop to get the attributes
for ( int i = 0; i < total; i++)
{
WeatherData::getFloatData(vm,env,"windSpeed",fileName[i],dataDir,capacity[i]);
WeatherData::getFloatData(vm,env,"windDir",fileName[i],dataDir,capacity[i]);
}
//Get Station Ids
for ( int i = 0; i < total; i++)
{
WeatherData::getStringData(vm,env,"stationId",fileName[i],dataDir,capacity[i]);
WeatherData::deleteFile(vm,env,fileName[i],dataDir);
}
WeatherData::calcBins1(windSpeeds,windDirs,stationIds,stationIds[7000]);
//print result in matrix
for(int i = 0; i < 16; i++)
{
for(int j = 0; j < 6; j++)
{
printf("%d\t",result[i][j]);
}
printf("\n");
}
//Print Time Taken For Execution
printf("\n\nTime taken: %.2fs\n", (double)(clock() - tStart)/CLOCKS_PER_SEC);
// Shutdown the VM.
vm->DestroyJavaVM();
}