From 95c60cd2692a0793f3d817098f4c2261c5993857 Mon Sep 17 00:00:00 2001
From: Matt Strapp <strap012@umn.edu>
Date: Tue, 27 Oct 2020 16:32:46 -0500
Subject: I've lost my marbles

---
 P2/.vscode/launch.json | 28 ++++++++++++++++++++++++++++
 P2/.vscode/tasks.json  | 17 +++++++++++++++++
 P2/lib/utils.c         | 18 ++++++++++--------
 3 files changed, 55 insertions(+), 8 deletions(-)
 create mode 100644 P2/.vscode/launch.json
 create mode 100644 P2/.vscode/tasks.json

(limited to 'P2')

diff --git a/P2/.vscode/launch.json b/P2/.vscode/launch.json
new file mode 100644
index 0000000..ba82be7
--- /dev/null
+++ b/P2/.vscode/launch.json
@@ -0,0 +1,28 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+    {
+        "name": "Build & Launch",
+        "type": "cppdbg",
+        "request": "launch",
+        "program": "${workspaceFolder}/mapreduce",
+        "args": ["5", "2", "test/T1/F1.txt"],
+        "stopAtEntry": false,
+        "cwd": "${workspaceFolder}",
+        "environment": [],
+        "externalConsole": false,
+        "MIMode": "gdb",
+        "setupCommands": [
+            {
+                "description": "Enable pretty-printing for gdb",
+                "text": "-enable-pretty-printing",
+                "ignoreFailures": true
+            },
+        ],
+        "preLaunchTask": "Make",
+    },
+    ]
+}
\ No newline at end of file
diff --git a/P2/.vscode/tasks.json b/P2/.vscode/tasks.json
new file mode 100644
index 0000000..2ebd385
--- /dev/null
+++ b/P2/.vscode/tasks.json
@@ -0,0 +1,17 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Make",
+            "type": "shell",
+            "command": "make",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+        },
+        
+    ]
+}
\ No newline at end of file
diff --git a/P2/lib/utils.c b/P2/lib/utils.c
index 195f0ae..9693268 100644
--- a/P2/lib/utils.c
+++ b/P2/lib/utils.c
@@ -5,7 +5,7 @@ int openQueue() {
 	if (id < 0)
 	{
 		perror("Cannot open queue.\n");
-		return NULL;
+		return -1;
 	};
 	return id;
 }
@@ -21,7 +21,8 @@ char *getChunkData(int mapperID) {
 		struct msgBuffer ACK = {mapperID, "ACK"};
 		msgsnd(mid, &ACK, MSGSIZE, 0);
 	}
-	return message.msgText;
+	char* value = message.msgText;
+	return value;
 }
 
 // sends chunks of size 1024 to the mappers in RR fashion
@@ -30,17 +31,18 @@ void sendChunkData(char *inputFile, int nMappers) {
 	// open message queue
 	int msgid = openQueue();
 	// message.msgText = 1;
-	FILE *fptr = fopen(inputFile, "r");
-
+	int fd = open(inputFile, O_RDONLY);
 	// construct chunks of 1024 bytes
-	while(fgets(&message, chunkSize, fptr) != EOF) {
-
+	char* buf[chunkSize];
+	memset(buf, '\0', chunkSize);
+	while(read(fd, buf, chunkSize) != 0) {
+		printf("%s\n", buf);
 		/*  Go to the end of the chunk, check if final character 
 		    is a space if character is a space, do nothing
 		    else cut off before that word and put back file      */
 		// TODO! help 
 
-		msgsnd(msgid, &message, mapperID, 0);
+		msgsnd(msgid, &message, 1, 0);
 	}
 
 	for (int i = 1; i < nMappers; i++) {
@@ -88,7 +90,7 @@ void shuffle(int nMappers, int nReducers) {
 	for (int i = 1; i <= nMappers; i++) {
 		//Extra for loop traversing directory
 		
-			message.msgType = hashFunction(/* SOMETHING ,*/ nReducers);
+			//message.msgType = hashFunction(/* SOMETHING ,*/ nReducers);
 			msgsnd(id, &message, chunkSize, 0);
 	}
 
-- 
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