Implemented local cd and ls. Created Protocol class.

Signed-off-by: Israel B. Sant'Anna <ibsa14@inf.ufpr.br>

.gitignore

+*.o
+cacoclient
+cacoserver
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Makefile

+CFLAGS= -g -Wall -O2
+CC=g++
+
+OBJ=Protocol.o
+
+
+%.o: %.cpp
+	$(CC) $(CFLAGS) $^ -c -o $@
+cacoclient: client.cpp $(OBJ)
+	$(CC) $(CFLAGS) $^ -o $@
+# cacoserver: $(OBJ) client.cpp
+# 	$(CC) $(CFLAGS) $^ -o $@
+clean:
+	rm -f *.o caco*

Protocol.cpp

+#include "Protocol.h"
+#include "definitions.h"
+
+Message Protocol::getMessage(){
+    return message;
+}
+
+void Protocol::setMessage(Message message){
+    this->message = message;
+}
+
+Protocol::Protocol(){
+    message.begin = 0x7E;
+}
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Protocol.h

+#ifndef __PROTOCOL__
+#define __PROTOCOL__
+#include "definitions.h"
+
+class Protocol{
+
+private:
+    Message message;
+    vector<char> data;
+public:
+
+    Message getMessage();
+    void setMessage(Message message);
+
+    Protocol();
+};
+#endif
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client.cpp

+#include "definitions.h"
+#include "dirFunctions.h"
+
+int main(){
+    
+    while(true){
+        string command, path;
+        cout << endl << "Entre com o comando:" << endl;
+        cin >> command;
+        if(command == "quit"){
+            break;
+        }
+        cin >> path;
+        if(command == "cd"){
+            cd(path);
+        }else if(command == "ls"){
+            ls(path);
+        }else if(command == "cdr"){
+            //TODO
+        }else if(command == "lsr"){
+            //TODO
+        }else if(command == "put"){
+            //TODO
+        }else if(command == "get"){
+            //TODO
+        }
+    }
+    return 0;
+}
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definitions.h

+#ifndef __DEFINITIONS__
+#define __DEFINITIONS__
+
+#include <iostream>
+#include <string.h>
+#include <vector>
+
+using namespace std;
+
+typedef struct {
+    int begin   : 8,
+        size    : 6,
+        sequence: 6,
+        type    : 4,
+        parity  : 8;
+}Message;
+
+#endif
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dirFunctions.cpp

+#include <iostream>
+#include <errno.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <string.h>
+
+using namespace std;
+
+void cd(string path){
+    if(chdir(path.c_str()) != 0){
+        cout << "Error: could not change directory." << endl;
+        cerr << strerror(errno) << endl;
+    }
+}
+
+void ls(string path){
+    //TODO: #1
+    struct dirent *entry;
+    DIR *dir = opendir(path.c_str());
+    if(dir != NULL){
+        while((entry=readdir(dir)) != NULL){
+           cout << entry->d_name << endl;
+        }
+        closedir(dir);
+    }else{
+        cout<<"Error: could not open directory."<<endl;
+    }
+}
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dirFunctions.h

+#ifndef __DIRFUNCTIONS__
+#define __DIRFUNCTIONS__
+#include "dirFunctions.cpp"
+#include <string.h>
+
+using namespace std;
+
+void cd(string path);
+
+void ls(string path);
+
+#endif
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