From 7f3859db688a7e8629c7a88e7baad87ad6df405d Mon Sep 17 00:00:00 2001
From: Eric Buxkemper <ebuxkemper@linux2.cs.tamu.edu>
Date: Tue, 10 Nov 2015 15:47:13 -0600
Subject: [PATCH] Due Date

---
 BoundedBuffer.cpp |   9 ++--
 BoundedBuffer.h   |   2 +-
 simpleclient.cpp  | 111 +++++++++++++++++++++++++++++-----------------
 3 files changed, 77 insertions(+), 45 deletions(-)

diff --git a/BoundedBuffer.cpp b/BoundedBuffer.cpp
index 40f1516..1b191c1 100755
--- a/BoundedBuffer.cpp
+++ b/BoundedBuffer.cpp
@@ -5,17 +5,20 @@
 #include <vector>
 
 void BoundedBuffer::push(string item){
-
-    empty->P();
-    data.push_back(item);
     
+    empty->P();
+    mutex->P();
+    data.push_back(item);
+    mutex->V();
     full->V();//increment the number of full slots now.
 }
 
 string BoundedBuffer::pop(){
     string item = data.back();
 	full->P();
+    mutex->P();
 	data.pop_back();
+    mutex->V();
 	empty->V();
     return item;
 }
diff --git a/BoundedBuffer.h b/BoundedBuffer.h
index 8e18603..7c8a06c 100755
--- a/BoundedBuffer.h
+++ b/BoundedBuffer.h
@@ -21,7 +21,7 @@ class BoundedBuffer{
     
     vector<string> data;
     
-    //BoundedBuffer(
+    
 public:    
     BoundedBuffer(){empty = new Semaphore(100);}//default b value
 
diff --git a/simpleclient.cpp b/simpleclient.cpp
index dac456e..0e9a59a 100755
--- a/simpleclient.cpp
+++ b/simpleclient.cpp
@@ -56,6 +56,7 @@ int n = 1000, b = 100, w = 5;//set defaults
 
 void* Req_Thread(string name);
 void* Worker_Thread(char* arg[], RequestChannel*  chan);
+void* local_send_request(string name, string response);
 
 /*--------------------------------------------------------------------------*/
 /* MAIN FUNCTION */
@@ -82,64 +83,75 @@ int main(int argc, char * argv[]) {
     
     pid_t pid = fork();
     
-    if(pid != 0){
-        execve("dataserver", argv, argv);
-    }else{
+    if(pid == 0){
+        
         cout << "CLIENT STARTED:" << endl;
         cout << "Establishing control channel... " << flush;
         RequestChannel chan("control", RequestChannel::CLIENT_SIDE);
         cout << "done." << endl;
     
-        for(int i=0; i < n*3; i++){
-            switch(i%3){
-                case 0:
+        for(int i = 0; i < 3; i++){
+            pid = fork();
+            if(pid){    //if in the parent still
+                if(i == 0){
                     Req_Thread(" Joe Smith");
-                    cout << "Joe\n";
-                    break;
-                case 1:
+                }else if(i == 1){
                     Req_Thread(" Jane Smith");
-                    cout << "Jane\n";
-                    break;
-                case 2:
+                }else if(i == 2){
                     Req_Thread(" John Doe");
-                    cout << "John\n";
-                    break;
+                }
+                continue;
+            }else if (pid == 0){
+                break;
+            } else {
+                exit(1);
             }
         }
+    
+
         
-        // 0 is the parent.
+        
+        RequestChannel* worker_ret;
+        string channel_name; 
+        
+        if(pid){
+            RequestChannel chan("control", RequestChannel::CLIENT_SIDE);
+            cout << "done." << endl;
+            for(int i=0; i < w; i++){
+                pid = fork();
+                if(pid) {
+                    pid = fork();    
+                    channel_name = chan.send_request("newthread");
+                    cout << "Chan: " << channel_name << endl;
+                    worker_ret = new RequestChannel(channel_name, RequestChannel::CLIENT_SIDE);
+                    Worker_Thread(argv, worker_ret);
+                    continue;
+                }else if(pid == 0){
+                    break;
+                }else{
+                    exit(1);
+                }
+            } 
+            wait();
+            //chan.send_request("quit");
+        } else {
+            //this is where the child threads from the
+            //req_thread threads end up.
+        }
         
         
         for(int i=0; i < 3; i++){
             //stat thread
             
-            pid = fork();
+            //pid = fork();
             if(pid != 0){
                 
                 break;
             }
-            
-        }
+        }    
         
-        RequestChannel* worker_ret;
-        string channel_name;
-        if(pid == 0){
-            for(int i=0; i < w; i++){
-
-                channel_name = chan.send_request("newthread");
-                cout << "Chan: " << channel_name << endl;
-                worker_ret = new RequestChannel(channel_name, RequestChannel::CLIENT_SIDE);
-                
-                pid = fork();
-                if(pid != 0) {
-                    Worker_Thread(argv, worker_ret);
-                    break;
-                }
-            }
-            chan.send_request("quit");
-        } else {
-            
-        }
+    }else{
+        execve("dataserver", argv, argv);
     }
    usleep(1000000);
 }
@@ -150,14 +162,31 @@ void* Worker_Thread(char* arg[], RequestChannel* chan){
         cout << "Request: " << req << endl;
         string response = chan->send_request(req);
         cout << "Response: " << response << endl;
+        //local_send_request(req, response);
     }
-    chan->send_request("quit");
+    //chan->send_request("quit");
 }
 
 void* Req_Thread(string name){
-    Request_Buffer->push("data" + name);
+    for(int i = 0; i < n; i++){
+        cout << "data " << name << endl;
+        Request_Buffer->push("data" + name);
+    }
 }
 
-void* local_send_request(){
-    
+void* local_send_request(string name, string response){
+    //send to proper response buffer based on which name is found!
+    if(name.compare("data Joe Smith") == 0){
+        Response_Buffers[0]->push(response);
+    }else if(name.compare("data Jane Smith") == 0){
+        Response_Buffers[1]->push(response);
+    }else if(name.compare("data John Doe") == 0){
+        Response_Buffers[2]->push(response);
+    }else{
+        cout << "ERROR: Invalid push into Response Buffers\n";
+    }
 }
+
+
+
+