first commit, base server

session_manager.cpp

@@ -0,0 +1,81 @@
+#include "session_manager.h"
+#include "msql_acces.h"
+
+#include <unistd.h>
+#include <sys/wait.h>
+#include <iostream>
+#include <cstring>
+
+session_manager::session_manager(int fd)
+{
+  this->fd=fd;
+  this->data=new msql_acces();
+}
+
+bool session_manager::validate_pass(){
+  char* buffer = new char[256];
+  this->read_data(buffer, 256);
+  std::string user=buffer;
+  this->read_data(buffer, 256);
+  std::string pass=buffer;
+  if(this->data->get_passwd(user)==pass){
+      this->write_data("pass");
+      return true;
+    }else{
+      this->write_data("fail");
+      return false;
+    }
+}
+
+void session_manager::start_dialog(){
+  char* buffer = new char[5];
+  while(true){
+      this->read_data(buffer,5);
+      if(strcmp(buffer, "exec")==0){
+          this->execute();
+        }else if(strcmp(buffer, "info")==0){
+          this->send_information();
+        }else if(strcmp(buffer,"exit")){
+          break;
+        }
+  }
+}
+
+int session_manager::execute(){
+  char* n_package = new char[256];
+  this->read_data(n_package, 256);
+  this->args=new char*[4];
+    this->args[0]="emerge";
+    this->args[1]="--ask";
+    this->args[2]=n_package;
+    this->args[3]=nullptr;
+  int pid = fork();
+  int status=-2;
+  if(pid==0){
+      if(execvp(this->args[0],this->args)==-1){
+          std::cout << "error inesperado" << std::endl;
+        }
+      exit(0);
+  }else {
+    waitpid(pid, &status, WCONTINUED);
+    if(status>0){
+        this->write_data("ok");
+      }else{
+        this->write_data("bad");
+      }
+  }
+  delete[] (n_package);
+  return status;
+}
+
+void session_manager::send_information(){
+
+}
+
+int session_manager::read_data(char* input, int size){
+  return read(this->fd, input, size);
+}
+
+int session_manager::write_data(std::string output){
+  return write(this->fd, output.data(), output.size());
+}