From 7f2f7f7c3e5d4c626d7e8d4d45fee2b11b6d5221 Mon Sep 17 00:00:00 2001
From: Matt Strapp <strap012@umn.edu>
Date: Thu, 24 Sep 2020 07:24:19 -0500
Subject: rearrange

---
 P1/src/mapreduce.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 P1/src/mapreduce.c

(limited to 'P1/src/mapreduce.c')

diff --git a/P1/src/mapreduce.c b/P1/src/mapreduce.c
new file mode 100644
index 0000000..5b63f3f
--- /dev/null
+++ b/P1/src/mapreduce.c
@@ -0,0 +1,54 @@
+#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;
+}
\ No newline at end of file
-- 
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