This commit is contained in:
shadow8t4 2015-11-10 15:51:05 -06:00
commit feb712cfee
3 changed files with 91 additions and 89 deletions

View file

@ -1,21 +0,0 @@
#include "semaphore.h"
#include "BoundedBuffer.h"
#include <string>
#include <vector>
void BoundedBuffer::push(string item){
empty->P();
data.push_back(item);
full->V();//increment the number of full slots now.
}
string BoundedBuffer::pop(){
string item = data.back();
full->P();
data.pop_back();
empty->V();
return item;
}

View file

@ -1,45 +0,0 @@
#ifndef _BoundedBuffer_H_
#define _BoundedBuffer_H_
#include <vector>
#include <string>
//#include <semaphore.h>
using namespace std;
//extern unsigned int n, b, w;
class BoundedBuffer{
int b_val;
Semaphore *full = new Semaphore(0); //initialized to 0, Since there are 0 full slots
Semaphore *empty;// = new Semaphore(b); //initialized to b, Since all the slots are empty
Semaphore *mutex = new Semaphore(1);
vector<string> data;
//BoundedBuffer(
public:
BoundedBuffer(){empty = new Semaphore(100);}//default b value
BoundedBuffer(int b){
b_val = b;
empty = new Semaphore(b_val);
}
int get_val(){return b_val;}
void set_b(int b){ b_val = b;}
void push(string item);
string pop();
//can't be larger than b strings
//b = user input
};
#endif

View file

@ -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 */
@ -82,31 +83,33 @@ 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);
}
}
<<<<<<< HEAD
string channel_name;
for(int i=0; i < w; i++){
channel_name = chan.send_request("newthread");
@ -122,30 +125,95 @@ int main(int argc, char * argv[]) {
chan.send_request("quit");
}
usleep(1000000);
}
=======
void* Req_Thread(string name){
Request_Buffer->push("data" + name);
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();
if(pid != 0){
break;
}
}
}else{
execve("dataserver", argv, argv);
>>>>>>> 7f3859db688a7e8629c7a88e7baad87ad6df405d
}
usleep(1000000);
}
void* Worker_Thread(char* arg[], RequestChannel* chan){
<<<<<<< HEAD
//handles the data moving between the Server and Bounded Buffer
//control chan("control", RequestChannel::CLIENT_SIDE);
//string channel_name = control.send_request("newthread");
//RequestChannel * channel_ret = new RequestChannel(channel_name, RequestChannel::CLIENT_SIDE);
while(true){
=======
while(true){
>>>>>>> 7f3859db688a7e8629c7a88e7baad87ad6df405d
string req = Request_Buffer->pop();
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");
}
string local_send_request(){
void* Req_Thread(string name){
for(int i = 0; i < n; i++){
cout << "data " << name << endl;
Request_Buffer->push("data" + name);
}
}
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";
}
}