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#include "mapreduce.h"
int main(int argc, char *argv[]) {
if(argc < 4) {
printf("Less number of arguments.\n");
printf("./mapreduce #mappers #reducers inputFile\n");
exit(0);
}
// ###### DO NOT REMOVE ######
int nMappers = strtol(argv[1], NULL, 10);
int nReducers = strtol(argv[2], NULL, 10);
char *inputFile = argv[3];
// ###### DO NOT REMOVE ######
bookeepingCode();
// ###### DO NOT REMOVE ######
pid_t pid = fork();
if(pid == 0){
//send chunks of data to the mappers in RR fashion
sendChunkData(inputFile, nMappers);
exit(0);
}
sleep(1);
// To do
// spawn mappers processes and run 'mapper' executable using exec
// To do
// wait for all children to complete execution
// ###### DO NOT REMOVE ######
// shuffle sends the word.txt files generated by mapper
// to reducer based on a hash function
pid = fork();
if(pid == 0){
shuffle(nMappers, nReducers);
exit(0);
}
sleep(1);
// To do
// spawn reducer processes and run 'reducer' executable using exec
// To do
// wait for all children to complete execution
return 0;
}
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