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bang.c
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bang.c
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/*
Name: William Bolduc
Student#: 0851313
fileName: bang.c
This program loads in collision information from a file (normally NCDB_1999_to_2012.csv)
and allows you to some basic queries about the data
This program uses the PILOT library in order to provide parallelism
There are no other files
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pilot.h"
#define RECORDWIDTH 63
#define HEADERSIZE 147
// UU
#define UNKNOWN -1
// XX
#define RESTRICTED -2
// NN
#define NOTAPPLICABLE -3
//QQ
#define UNLISTED -4
int maximumpeoplecount = 0;
int maximumcarcount = 0;
//C_YEAR, C_MNTH, C_WDAY, C_HOUR, C_SEV, C_VEHS, C_CONF, C_RCFG, C_WTHR, C_RSUR, C_RALN, C_TRAF, V_ID, V_TYPE, V_YEAR, P_ID, P_SEX, P_AGE, P_PSN, P_ISEV, P_SAFE, P_USER
// 1999, 01, 1, 20, 2, 02, 34, UU, 1, 5, 3, 03, 01, 06, 1990, 01, M, 41, 11, 1, UU, 1
// 1999,01,1,20,2,02,34,UU,1,5,3,03,01,06,1990,01,M,41,11,1,UU,1
typedef struct PERSON{
int P_ID;
char P_SEX;
int P_AGE;
int P_POS;
int P_TREATMENTREQ;
int P_SAFTEYDEVICE;
int P_USERCLASS;
}PERSON;
typedef struct VEHICLE{
int V_ID;
int V_TYPE;
int V_MODELYEAR;
int PERSONcount;
PERSON *PERSONlist;
}VEHICLE;
typedef struct COLLISION{
int C_YEAR;
int C_MONTH;
int C_WEEKDAY;
int C_HOUR;
int C_SEVERITY;
int C_VEHICLECOUNT;
int C_COLLISIONCONFIG;
int C_ROADWAYCONFIG;
int C_WEATHER;
int C_ROADSURFACE;
int C_ROADALIGNMENT;
int C_TRAFFICCONTROL;
int totalPERSONcount;
int totalVEHICLEcount;
VEHICLE *VEHICLElist;
PERSON **totalPERSONlist;
}COLLISION;
typedef struct RECORD{
int C_YEAR;
int C_MONTH;
int C_WEEKDAY;
int C_HOUR;
int C_SEVERITY;
int C_VEHICLECOUNT;
int C_COLLISIONCONFIG;
int C_ROADWAYCONFIG;
int C_WEATHER;
int C_ROADSURFACE;
int C_ROADALIGNMENT;
int C_TRAFFICCONTROL;
int V_ID;
int V_TYPE;
int V_MODELYEAR;
int P_ID;
char P_SEX;
int P_AGE;
int P_POS;
int P_TREATMENTREQ;
int P_SAFTEYDEVICE;
int P_USERCLASS;
}RECORD;
int W; //number of workers
PI_PROCESS **Worker; //array of process pointers
PI_CHANNEL **toWorker; //array of channel pointers to Workers
PI_CHANNEL **result; //array of channel pointers from Workers
PI_BUNDLE *toAllWorkers, *allResults;
void printRecord(RECORD record)
{
printf("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %c, %d, %d, %d, %d, %d\n", record.C_YEAR, record.C_MONTH, record.C_WEEKDAY, record.C_HOUR, record.C_SEVERITY, record.C_VEHICLECOUNT, record.C_COLLISIONCONFIG, record.C_ROADWAYCONFIG, record.C_WEATHER, record.C_ROADSURFACE, record.C_ROADALIGNMENT, record.C_TRAFFICCONTROL, record.V_ID, record.V_TYPE, record.V_MODELYEAR, record.P_ID, record.P_SEX, record.P_AGE, record.P_POS, record.P_TREATMENTREQ, record.P_SAFTEYDEVICE, record.P_USERCLASS);
}
int parse1Code(char *token)
{
if (token[0] == 'U')
{
return UNKNOWN;
}
else if (token[0] == 'X')
{
return RESTRICTED;
}
else if (token[0] == 'N')
{
return NOTAPPLICABLE;
}
else if (token[0] == 'Q')
{
return UNLISTED;
}
else
{
return token[0] - 48;
}
}
int parse2Code(char *token) //TODO: COULD BE SWITCH
{
if (token[0] == 'U')
{
return UNKNOWN;
}
else if (token[0] == 'X')
{
return RESTRICTED;
}
else if (token[0] == 'N')
{
return NOTAPPLICABLE;
}
else if (token[0] == 'Q')
{
return UNLISTED;
}
else
{
return atoi(token);
}
}
RECORD readRecord(FILE *recordBlock)
{
char line[RECORDWIDTH];
char *token;
RECORD record;
if(fread(line, sizeof(char), RECORDWIDTH, recordBlock) < RECORDWIDTH)//read one line from the recordBlock
{
record.C_YEAR = 0;
return record;
}
record.C_YEAR = parse2Code(strtok(line,","));
record.C_MONTH = parse2Code(strtok(NULL, ","));
record.C_WEEKDAY = parse1Code(strtok(NULL, ","));
record.C_HOUR = parse2Code(strtok(NULL, ","));
record.C_SEVERITY = parse1Code(strtok(NULL, ","));
record.C_VEHICLECOUNT = parse2Code(strtok(NULL, ","));
record.C_COLLISIONCONFIG = parse2Code(strtok(NULL, ","));
record.C_ROADWAYCONFIG = parse2Code(strtok(NULL, ","));
record.C_WEATHER = parse1Code(strtok(NULL, ","));
record.C_ROADSURFACE = parse1Code(strtok(NULL, ","));
record.C_ROADALIGNMENT = parse1Code(strtok(NULL, ","));
record.C_TRAFFICCONTROL = parse2Code(strtok(NULL, ","));
record.V_ID = parse2Code(strtok(NULL, ","));
record.V_TYPE = parse2Code(strtok(NULL, ","));
record.V_MODELYEAR = parse2Code(strtok(NULL, ","));
record.P_ID = parse2Code(strtok(NULL, ","));
record.P_SEX = strtok(NULL, ",")[0];
record.P_AGE = parse2Code(strtok(NULL, ","));
record.P_POS = parse2Code(strtok(NULL, ","));
record.P_TREATMENTREQ = parse1Code(strtok(NULL, ","));
record.P_SAFTEYDEVICE = parse2Code(strtok(NULL, ","));
record.P_USERCLASS = parse1Code(strtok(NULL, ","));
return record;
}
int recordsAreFromSameCollision(RECORD record1, RECORD record2)
{
//Any of the C_ fields have changed;
if (record1.C_YEAR != record2.C_YEAR ||
record1.C_MONTH != record2.C_MONTH ||
record1.C_WEEKDAY != record2.C_WEEKDAY ||
record1.C_HOUR != record2.C_HOUR ||
record1.C_VEHICLECOUNT != record2.C_VEHICLECOUNT ||
record1.C_COLLISIONCONFIG != record2.C_COLLISIONCONFIG ||
record1.C_ROADWAYCONFIG != record2.C_ROADWAYCONFIG ||
record1.C_WEATHER != record2.C_WEATHER ||
record1.C_ROADSURFACE != record2.C_ROADSURFACE ||
record1.C_ROADALIGNMENT != record2.C_ROADALIGNMENT ||
record1.C_TRAFFICCONTROL != record2.C_TRAFFICCONTROL)
{
return 0;
}
//The C_ fields are the same, but V_ID changed to 1;
if (record1.V_ID != 1 && record2.V_ID == 1)
{
return 0;
}
//The C_ fields are the same and V_ID stayed as 1, but V_TYPE or V_YEAR changed
if (record1.V_ID == record2.V_ID && (record1.V_TYPE != record2.V_TYPE || record1.V_MODELYEAR != record2.V_MODELYEAR))
{
return 0;
}
return 1;
}
int shiftToNextCollision(FILE *workBlock) /*I don't know what happens if the work chunks are too small or if the whole work block is the same collision*/
{//shifts the file pointer to the beginning of the following record
RECORD r1, r2;//TODO: fix posibility of EOF errors
int recordsSkipped = 1;
//move through records until you arrive to a pair of records that are not from the same collision
r1 = readRecord(workBlock);
r2 = readRecord(workBlock);
while(recordsAreFromSameCollision(r1, r2))
{
r1 = r2;
r2 = readRecord(workBlock);
recordsSkipped++;
}
fseek(workBlock, -RECORDWIDTH, SEEK_CUR);
return recordsSkipped - 1;
}
COLLISION *loadRecordBlock(FILE *workBlock, int workBlockSize, int *size, int shift) //size is the size of the colList
{//shift is there to tell loadRecordBlock if it must shift
int pos = 0;
int recordsInCollision;
int carsInCollision;
int i,j,k;
int lastCarid;
int currentCollision = 0;
COLLISION *colList;
RECORD collisionRecords[128];
int carIndex[128];
RECORD r1,r2;
if(!(colList = malloc(sizeof(COLLISION)*workBlockSize)))
{
printf("No Space for the collision list\n");
return NULL;
}
//move past the first collision if needed
if(shift != 0)
{
pos = shiftToNextCollision(workBlock);
}
r1 = readRecord(workBlock);
while(pos < workBlockSize && r1.C_YEAR != 0)
{
//load in the first records data
colList[currentCollision].C_YEAR = r1.C_YEAR;
colList[currentCollision].C_MONTH = r1.C_MONTH;
colList[currentCollision].C_WEEKDAY = r1.C_WEEKDAY;
colList[currentCollision].C_HOUR = r1.C_HOUR;
colList[currentCollision].C_SEVERITY = r1.C_SEVERITY;
colList[currentCollision].C_VEHICLECOUNT = r1.C_VEHICLECOUNT;
colList[currentCollision].C_COLLISIONCONFIG = r1.C_COLLISIONCONFIG;
colList[currentCollision].C_ROADWAYCONFIG = r1.C_ROADWAYCONFIG;
colList[currentCollision].C_WEATHER = r1.C_WEATHER;
colList[currentCollision].C_ROADSURFACE = r1.C_ROADSURFACE;
colList[currentCollision].C_ROADALIGNMENT = r1.C_ROADALIGNMENT;
colList[currentCollision].C_TRAFFICCONTROL = r1.C_TRAFFICCONTROL;
//load records which are from the same collision into collisionRecords
recordsInCollision = 0;
do
{
collisionRecords[recordsInCollision] = r1;
recordsInCollision++;
pos++;
r2 = r1;
r1 = readRecord(workBlock);
if (r1.C_YEAR == 0) //end of records exit loop
{
break;
}
}while(recordsAreFromSameCollision(r2, r1));
//No more records pertaining to that collision
carsInCollision = 0;
lastCarid = 0;
j = 0;
for (i = 0; i < recordsInCollision; i++)
{
if (lastCarid != collisionRecords[i].V_ID)
{
carsInCollision++;
if (collisionRecords[i].V_ID != 99) //vehicle is not a group of pedestrians
{
maximumcarcount++;
}
lastCarid = collisionRecords[i].V_ID;
carIndex[j++] = i;
}
}
carIndex[j] = recordsInCollision;
////////////////////////////////////////////////////////////
colList[currentCollision].totalVEHICLEcount = carsInCollision;
if(!(colList[currentCollision].VEHICLElist = malloc(sizeof(VEHICLE) * carsInCollision)))
{
printf("Ran out of space for cars\n");
return colList;
}
if(!(colList[currentCollision].totalPERSONlist = malloc(sizeof(PERSON*) * carsInCollision)))
{
printf("Ran out of space for totalPERSONlist\n");
return colList;
}
colList[currentCollision].totalPERSONcount = 0;
//add cars
for(i = 0; i < carsInCollision; i++)
{
//add car data
colList[currentCollision].VEHICLElist[i].V_ID = collisionRecords[carIndex[i]].V_ID;
colList[currentCollision].VEHICLElist[i].V_TYPE = collisionRecords[carIndex[i]].V_TYPE;
colList[currentCollision].VEHICLElist[i].V_MODELYEAR = collisionRecords[carIndex[i]].V_MODELYEAR;
//make space for the people in the car
if(!(colList[currentCollision].VEHICLElist[i].PERSONlist = malloc(sizeof(PERSON)*(carIndex[i+1]-carIndex[i]))))
{
printf("No more space for people\n");
return colList;
}
colList[currentCollision].VEHICLElist[i].PERSONcount = carIndex[i+1]-carIndex[i];
for(j=carIndex[i], k = 0; j<carIndex[i+1]; k++, j++)
{
if(collisionRecords[j].P_ID != UNKNOWN && collisionRecords[j].P_ID != NOTAPPLICABLE)
{
colList[currentCollision].VEHICLElist[i].PERSONlist[k].P_ID = collisionRecords[j].P_ID;
colList[currentCollision].VEHICLElist[i].PERSONlist[k].P_SEX = collisionRecords[j].P_SEX;
colList[currentCollision].VEHICLElist[i].PERSONlist[k].P_AGE = collisionRecords[j].P_AGE;
colList[currentCollision].VEHICLElist[i].PERSONlist[k].P_POS = collisionRecords[j].P_POS;
colList[currentCollision].VEHICLElist[i].PERSONlist[k].P_TREATMENTREQ = collisionRecords[j].P_TREATMENTREQ;
colList[currentCollision].VEHICLElist[i].PERSONlist[k].P_SAFTEYDEVICE = collisionRecords[j].P_SAFTEYDEVICE;
colList[currentCollision].VEHICLElist[i].PERSONlist[k].P_USERCLASS = collisionRecords[j].P_USERCLASS;
//colList[currentCollision].totalPERSONlist[colList[currentCollision].totalPERSONcount] = &(colList[currentCollision].VEHICLElist[i].PERSONlist[k]);
(colList[currentCollision].totalPERSONcount)++;
}
}
}
//maximumpeoplecount += colList[currentCollision].totalPERSONcount;
currentCollision++;
}
if (currentCollision > 0)
{
colList = realloc(colList,sizeof(COLLISION) * currentCollision);
}
else
{
colList = NULL;
}
*size = currentCollision;
return colList;
}
void printCollisionList(COLLISION *colList, int size, int index)
{
int i,j,k;
for (i = 0; i < size; i++)
{
printf("%d^Year = %d\n", index, colList[i].C_YEAR);
printf("%d^Month = %d\n", index, colList[i].C_MONTH);
printf("%d^Weekday = %d\n", index, colList[i].C_WEEKDAY);
printf("%d^Hour = %d\n", index, colList[i].C_HOUR);
printf("%d^Severity = %d\n", index, colList[i].C_SEVERITY);
printf("%d^Vehicle # = %d\n", index, colList[i].C_VEHICLECOUNT);
printf("%d^Config = %d\n", index, colList[i].C_COLLISIONCONFIG);
printf("%d^RoadConfig = %d\n", index, colList[i].C_ROADWAYCONFIG);
printf("%d^Weather = %d\n", index, colList[i].C_WEATHER);
printf("%d^R Surface = %d\n", index, colList[i].C_ROADSURFACE);
printf("%d^R Align = %d\n", index, colList[i].C_ROADALIGNMENT);
printf("%d^Traffic C = %d\n", index, colList[i].C_TRAFFICCONTROL);
printf("%d^PERSONcount = %d\n", index, colList[i].totalPERSONcount);
printf("%d^VEHICLEcount = %d\n", index, colList[i].totalVEHICLEcount);
for (j = 0; j < colList[i].totalVEHICLEcount; j++)
{
printf("%d^ |V_ID = %d\n", index, colList[i].VEHICLElist[j].V_ID);
printf("%d^ |V_TYPE = %d\n", index, colList[i].VEHICLElist[j].V_TYPE);
printf("%d^ |V_MODELYEAR = %d\n", index, colList[i].VEHICLElist[j].V_MODELYEAR);
printf("%d^ |peopleCount = %d\n", index, colList[i].VEHICLElist[j].PERSONcount);
for (k = 0; k < colList[i].VEHICLElist[j].PERSONcount; k++)
{
printf("%d^ | |P_ID = %d\n", index, colList[i].VEHICLElist[j].PERSONlist[k].P_ID);
printf("%d^ | |P_SEX = %c\n", index, colList[i].VEHICLElist[j].PERSONlist[k].P_SEX);
printf("%d^ | |P_AGE = %d\n", index, colList[i].VEHICLElist[j].PERSONlist[k].P_AGE);
printf("%d^ | |P_POS = %d\n", index, colList[i].VEHICLElist[j].PERSONlist[k].P_POS);
printf("%d^ | |P_TREATMENTREQ = %d\n", index, colList[i].VEHICLElist[j].PERSONlist[k].P_TREATMENTREQ);
printf("%d^ | |P_SAFTEYDEVICE = %d\n", index, colList[i].VEHICLElist[j].PERSONlist[k].P_SAFTEYDEVICE);
printf("%d^ | |P_USERCLASS = %d\n", index, colList[i].VEHICLElist[j].PERSONlist[k].P_USERCLASS);
printf("%d^ | -----------------------\n", index);
}
printf("%d^ -----------------------------\n", index);
}
printf("%d^+++++++++++++++++++++++++++++++++++++++++++++++++\n", index);
}
}
void freeCollisionList(COLLISION *colList, int size)
{//TODO: maybe write more scalable code whydontcha
int i,j;
for (i = 0; i < size; i++)
{
for (j = 0; j < colList[i].totalVEHICLEcount; j++)
{
free(colList[i].VEHICLElist[j].PERSONlist);
}
free(colList[i].VEHICLElist);
free(colList[i].totalPERSONlist);
}
free(colList);
}
void tallyMW(COLLISION *colList, int size, int* Km, int* Kw)
{
int i,j,k;
for (i=0;i<size;i++)
{
for (j = 0; j < colList[i].totalVEHICLEcount; j++)
{
for (k = 0; k < colList[i].VEHICLElist[j].PERSONcount; k++)
{
if (colList[i].VEHICLElist[j].PERSONlist[k].P_TREATMENTREQ == 3)
{
if(colList[i].VEHICLElist[j].PERSONlist[k].P_SEX == 'M')
{
(*Km)++;
}
else if (colList[i].VEHICLElist[j].PERSONlist[k].P_SEX == 'F')
{
(*Kw)++;
}
}
}
}
}
}
void tallyCollisionLocations(COLLISION *colList, int size, int *collisionLocation)
{
int i;
for (i = 0; i < size; i++)
{
if (colList[i].C_ROADWAYCONFIG > 0)
{
collisionLocation[colList[i].C_ROADWAYCONFIG]++;
}
else if (colList[i].C_ROADWAYCONFIG == UNKNOWN)
{
collisionLocation[0]++;
}
}
}
int findBiggestCollision(COLLISION *colList, int size)
{
int i, mostVehicles=0, index = 0;
for (i = 0; i < size; i++)
{
if (colList[i].totalVEHICLEcount > mostVehicles)
{
mostVehicles = colList[i].totalVEHICLEcount;
index = i;
}
}
return ((colList[index].totalVEHICLEcount * 10000000) + (colList[index].C_YEAR * 1000) + (colList[index].C_MONTH * 10) + colList[index].C_WEEKDAY);//ccYYYYMMD
}
void averageAges(COLLISION *colList, int size,int *wrecks, int *ageSum, int *carCount)
{
int i,j;
for(i = 0; i < size; i++)
{
for (j = 0; j < colList[i].totalVEHICLEcount; j++)
{
if (colList[i].VEHICLElist[j].V_ID != 99 && colList[i].VEHICLElist[j].V_MODELYEAR > 0) // if not a pedestrian grouping and not undefined modelYear
{
if (colList[i].VEHICLElist[j].V_MODELYEAR >= colList[i].C_YEAR)
{
(*wrecks)++;
}
//printf("age = %d\n", colList[i].C_YEAR - colList[i].VEHICLElist[j].V_MODELYEAR + 1);
(*ageSum) += colList[i].C_YEAR - colList[i].VEHICLElist[j].V_MODELYEAR + 1;
(*carCount)++;
}
}
}
}
void printMonths(int badMonths[14][12][2])
{
int i,j;
printf(" Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec\n");
for (i = 0; i < 14; i++)
{
printf("Coll ");
for (j = 0; j < 11; j++)
{
printf("%8d, ", badMonths[i][j][0]);
}
printf("%8d\nFatal ", badMonths[i][11][0]);
for (j = 0; j < 11; j++)
{
printf("%8d, ", badMonths[i][j][1]);
}
printf("%8d\n\n", badMonths[i][11][1]);
}
}
void tallyBadMonths(COLLISION *colList, int size, int badMonths[14][12][2])
{
int i, j, k;
int yearIndex;
int monthIndex;
for (i = 0; i < size; i++)
{
if (colList[i].C_MONTH <= 0) //Month unavailible, skipping month
{
continue;
}
yearIndex = colList[i].C_YEAR - 1999; //assumes the data starts at 1999
monthIndex = colList[i].C_MONTH - 1;
//increment collisons for the month
badMonths[yearIndex][monthIndex][0]++;
for (j = 0; j < colList[i].totalVEHICLEcount; j++)
{
for (k = 0; k < colList[i].VEHICLElist[j].PERSONcount; k++)
{
if (colList[i].VEHICLElist[j].PERSONlist[k].P_TREATMENTREQ == 3)
{
badMonths[yearIndex][monthIndex][1]++; //increment fatalities for the month
}
}
}
}
}
int workerFunc(int index, void* arg2)
{
int workBlockStart, workBlockSize, collisionCount,i,j,Km,Kw;
char* fileName;
char query;
FILE *dataFile;
COLLISION *colList;
int collisionLocation[13];
int worstMonths[14][12][2];
int wrecks, ageSum, carCount;
PI_Read( toWorker[index], "%d %d", &workBlockStart, &workBlockSize);
//printf("I am worker %d, I get records %d to %d\n", index, workBlockStart, workBlockStart + workBlockSize);
//open file
dataFile = fopen(arg2, "r");
fseek(dataFile, (workBlockStart * RECORDWIDTH) + HEADERSIZE, SEEK_SET);
//load collisions
colList = loadRecordBlock(dataFile, workBlockSize, &collisionCount, index);
//return results of the load
PI_Write(result[index], "%d %d", collisionCount, maximumcarcount);
//begin solving queries
PI_Read(toWorker[index], "%c", &query);
while(query != '0')
{
switch (query) {
case '1': //what is the worst month of the year for collisions
for (i = 0; i < 14; i++)
{
for (j = 0; j < 12; j++)
{
worstMonths[i][j][0] = 0;
worstMonths[i][j][1] = 0;
}
}
tallyBadMonths(colList,collisionCount,worstMonths);
PI_Write(result[index], "%*d", 336, worstMonths);
break;
case '2': //who is more likely to die M/F
Km = 0;
Kw = 0;
tallyMW(colList, collisionCount, &Km, &Kw);
PI_Write(result[index],"%d %d", Km, Kw);
break;
case '3': //What was the most number of vehicles ever involved in a single collision during the 14 years, and when did it take place?
PI_Write(result[index],"%d", findBiggestCollision(colList, collisionCount));
break;
case '4': //In a year on average, how many people typically wreck their new car (defined as vehicle year >= collision year), and how old was the average vehicle in a collision over the 14 years?
wrecks = 0;
ageSum = 0;
carCount = 0;
averageAges(colList,collisionCount,&wrecks, &ageSum, &carCount);
PI_Write(result[index], "%d %d %d", wrecks, ageSum, carCount);
break;
case '5': //what is the most likely place to have a collision
for (i = 0; i<13; i++)
{
collisionLocation[i]=0;
} //set collisionLocations to 0
tallyCollisionLocations(colList, collisionCount, collisionLocation);
PI_Write(result[index],"%*d", 13, collisionLocation);
break;
}
PI_Read(toWorker[index], "%c", &query);
}
freeCollisionList(colList, collisionCount);
fclose(dataFile);
return 0;
}
void Pquery1(COLLISION *colList, int size)
{
int i, j,k;
int worstMonths[14][12][2];
int badMonths[14][12][2];
int finalMonths[12][2];
int worstCollisions=0;
int worstFatalities=0;
int wcIndex=0;
int wfIndex=0;
//initialize values
for (i = 0; i < 12; i++)
{
for (j = 0; j < 14; j++)
{
worstMonths[j][i][0] = 0;
worstMonths[j][i][1] = 0;
}
finalMonths[i][0] = 0;
finalMonths[i][1] = 0;
}
if (W > 0)
{
//signal query
for(i=0; i<W; i++)
{
PI_Write(toWorker[i],"%c",'1');
}
//combine results
for (i = 0; i<W; i++)
{
j = PI_Select(allResults);
PI_Read(result[j], "%*d", 336, &badMonths);
//convert single array to 3d
for (j = 0; j < 14; j++)
{
for (k = 0; k < 12; k++)
{
worstMonths[j][k][0] += badMonths[j][k][0];
worstMonths[j][k][1] += badMonths[j][k][1];
}
}
}
}
else
{
tallyBadMonths(colList, size, worstMonths);
}
//print worst for each year
for (i = 0; i<14; i++)
{
worstCollisions = 0;
worstFatalities = 0;
for (j=0;j<12;j++)
{
if(worstMonths[i][j][0] > worstCollisions)
{
worstCollisions = worstMonths[i][j][0];
wcIndex = j;
}
if(worstMonths[i][j][1] > worstFatalities)
{
worstFatalities = worstMonths[i][j][1];
wfIndex = j;
}
//total to find worst month ever
finalMonths[j][0] += worstMonths[i][j][0];
finalMonths[j][1] += worstMonths[i][j][1];
}
printf("$Q1,%d,%d,%d\n", 1999+i, wcIndex+1, wfIndex+1);
}
//print worst month of all time
worstCollisions = 0;
worstFatalities = 0;
for (i = 0; i < 12; i++)
{
if(finalMonths[i][0] > worstCollisions)
{
worstCollisions = finalMonths[i][0];
wcIndex = i;
}
if(finalMonths[i][1] > worstFatalities)
{
worstFatalities = finalMonths[i][1];
wfIndex = i;
}
}
printf("$Q1,9999,%d,%d\n", wcIndex+1, wfIndex+1);
}
void Pquery2(COLLISION *colList, int size)
{
int i, j, Km = 0, Kw= 0, menK, womK;
float totalPeople;
if (W > 0)
{
//send out query
for(i=0; i<W; i++)
{
PI_Write(toWorker[i],"%c",'2');
}
//combine results
for (i = 0; i<W; i++)
{
j = PI_Select(allResults);
PI_Read(result[j], "%d %d", &menK, &womK);
Km += menK;
Kw += womK;
}
}
else
{
//one core, do it solo
tallyMW(colList, size, &Km, &Kw);
}
totalPeople = Kw + Km;
printf("$Q2,%d,%d,%.2f,%.2f\n",Km,Kw,(float)Km/totalPeople,(float)Kw/totalPeople);
}
void Pquery3(COLLISION *colList, int size)
{
int i, j, carCount, yyyy, mm, d, bigCollision, biggestCollision = 0;
//send out query
if (W > 0)
{
for(i=0; i<W; i++)
{
PI_Write(toWorker[i],"%c",'3');
}
//combine results
for (i = 0; i<W; i++)
{
j = PI_Select(allResults);
PI_Read(result[j], "%d", &bigCollision);
if (biggestCollision < bigCollision)
{
biggestCollision = bigCollision;
}
}
}
else
{
//one core, do it solo
biggestCollision = findBiggestCollision(colList, size);
}
d = biggestCollision%10;
biggestCollision/=10;
mm = biggestCollision%100;
biggestCollision/=100;
yyyy = biggestCollision%10000;
carCount = biggestCollision/10000;
printf("$Q3,%d,%d,%d,%d\n",carCount,yyyy,mm,d);
}
void Pquery4(COLLISION *colList, int size)
{
int i, j, wreckedNewCars = 0, combinedWreckAge = 0, totalCars = 0;
int wrecks, ageSum, carCount;
//send out query
if (W > 0)
{
for(i=0; i<W; i++)
{
PI_Write(toWorker[i],"%c",'4');
}
//combine results
for (i = 0; i<W; i++)
{
j = PI_Select(allResults);
PI_Read(result[j], "%d %d %d", &wrecks, &ageSum, &carCount);
wreckedNewCars += wrecks;
combinedWreckAge += ageSum;
totalCars += carCount;
//printf("totalCars %d\n",totalCars);
}
}
else //single process
{
averageAges(colList, size, &wreckedNewCars, &combinedWreckAge, &totalCars);
}
//printf("maximumcarcount %d\ntotalCars %d\nwreckedNewCars %d\ncombinedWreckAge %d\n", maximumcarcount, totalCars, wreckedNewCars, combinedWreckAge);
printf("$Q4,%.1f,%.1f\n",(float)wreckedNewCars/14, (float)combinedWreckAge/totalCars);//sketchy is the dataset gets bigger than 14 years
}
void Pquery5(COLLISION *colList, int size)
{
int i,j;
int mostLikely=0;
int mostCollisions = 0;
int collisionLocation[13];
int totalCollisionLocation[13];
for (i = 0; i<13; i++){totalCollisionLocation[i]=0;} //set totalCollisionLocations to 0
if (W > 0)
{
for(i=0; i<W; i++)
{
PI_Write(toWorker[i],"%c",'5');
}
//combine results
for (i = 0; i<W; i++)
{
j = PI_Select(allResults);
PI_Read(result[j], "%*d", 13, collisionLocation);
for (j = 0; j<13; j++)
{
totalCollisionLocation[j] += collisionLocation[j];
}
}
}
else
{
//do it solo
tallyCollisionLocations(colList,size, totalCollisionLocation);
}
//find most likely
for (i = 0; i<13; i++)
{
if (totalCollisionLocation[i] > mostCollisions)
{
mostLikely = i;
mostCollisions = totalCollisionLocation[i];
}
}
//output result
printf("$Q5,%d",mostLikely);
for (i = 1; i<13; i++)
{
printf(",%d",totalCollisionLocation[i]);
}
printf(",%d\n",totalCollisionLocation[0]);
}
int main(int argc, char *argv[])
{
int i, j, R, workBlockSize, collisionCount = 0, colSubTotal, carSubTotal; //R for Record Count
long byteCount;
char query;
//Timing report variables
double initTime, queryTime;
double queryTotalTime[5] = {0,0,0,0,0};
int queryFreq[5] = {0,0,0,0,0};
COLLISION *colList = NULL;
FILE *dataFile;
// Pilot configuration phase; return no. of processes available
W = PI_Configure(&argc, &argv) - 1;
PI_StartTime();
// Create worker lists
Worker = malloc(sizeof(PI_PROCESS *) * W);
toWorker = malloc(sizeof(PI_CHANNEL *) * W);
result = malloc(sizeof(PI_CHANNEL *) * W);
// create Worker processes (with arg i) and to/from channels
for (i = 0; i<W; i++)
{
Worker[i] = PI_CreateProcess(workerFunc, i, argv[1]);
toWorker[i] = PI_CreateChannel(PI_MAIN, Worker[i]);
result[i] = PI_CreateChannel(Worker[i], PI_MAIN);
}
// form "toworker" channels into bundle for broadcasting
//toAllWorkers = PI_CreateBundle(PI_BROADCAST, toWorker, W);
// form "result" channels into bundle for selecting
if (W > 0)
{
allResults = PI_CreateBundle(PI_SELECT, result, W);
}
PI_StartAll();
printf("#Number of workers = %d\n", W);
//Get the input filename from argv[1] and try to open it.
if(argv[1] == NULL)
{
printf("No data file given\n");