(C++) Send Sockets

/*
 *  Copyright (c) 2012 [iPs]TeaM
 *  Bruno da Silva (email@brunodasilva.com)
 *  Enviar sockets em c++
 *
 * www.brunodasilva.com
 * www.ips-team.forumeiros.com
*/

#pragma once

#ifndef UNICODE
#define UNICODE
#endif

#define WIN32_LEAN_AND_MEAN

#define _WIN32_DCOM


#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdio.h>
#include <iostream>
#include <string>

using namespace System;
using namespace System::Runtime::InteropServices;

// link para biblioteca
#pragma comment(lib, "ws2_32.lib")
#pragma comment(lib, "User32.lib")


namespace CPerguntaseRespostas {

    using namespace System;
    using namespace System::ComponentModel;
    using namespace System::Collections;
    using namespace System::Windows::Forms;
    using namespace System::Data;
    using namespace System::Drawing;

    public ref class Form1 : public System::Windows::Forms::Form
    {
    public:
        Form1(void)
        {
            InitializeComponent();
        }

    protected:
        ~Form1()
        {
            if (components)
            {
                delete components;
            }
        }
    private: System::Windows::Forms::TextBox^  textBox1;
    protected:
    private: System::Windows::Forms::Button^  button1;
    private: System::Windows::Forms::Label^  label1;
    private: System::Windows::Forms::ProgressBar^  progressBar1;
    private: System::Windows::Forms::TextBox^  textBox2;
    private: System::Windows::Forms::TextBox^  textBox3;
    private: System::Windows::Forms::Label^  label2;
    private: System::Windows::Forms::Label^  label3;
    private: System::Windows::Forms::Label^  label4;

    private:
        System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
        void InitializeComponent(void)
        {
            this->textBox1 = (gcnew System::Windows::Forms::TextBox());
            this->button1 = (gcnew System::Windows::Forms::Button());
            this->label1 = (gcnew System::Windows::Forms::Label());
            this->progressBar1 = (gcnew System::Windows::Forms::ProgressBar());
            this->textBox2 = (gcnew System::Windows::Forms::TextBox());
            this->textBox3 = (gcnew System::Windows::Forms::TextBox());
            this->label2 = (gcnew System::Windows::Forms::Label());
            this->label3 = (gcnew System::Windows::Forms::Label());
            this->label4 = (gcnew System::Windows::Forms::Label());
            this->SuspendLayout();
            //
            // textBox1
            //
            this->textBox1->Location = System::Drawing::Point(15, 67);
            this->textBox1->Name = L"textBox1";
            this->textBox1->Size = System::Drawing::Size(219, 20);
            this->textBox1->TabIndex = 0;
            this->textBox1->Text = L"endereco:porta";
            //
            // button1
            //
            this->button1->Font = (gcnew System::Drawing::Font(L"Trebuchet MS", 9.75F, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,
                static_cast<System::Byte>(0)));
            this->button1->Location = System::Drawing::Point(12, 177);
            this->button1->Name = L"button1";
            this->button1->Size = System::Drawing::Size(222, 53);
            this->button1->TabIndex = 1;
            this->button1->Text = L"Desafiar";
            this->button1->UseVisualStyleBackColor = true;
            this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
            //
            // label1
            //
            this->label1->AutoSize = true;
            this->label1->Font = (gcnew System::Drawing::Font(L"Trebuchet MS", 9, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
                static_cast<System::Byte>(0)));
            this->label1->Location = System::Drawing::Point(12, 46);
            this->label1->Name = L"label1";
            this->label1->Size = System::Drawing::Size(75, 18);
            this->label1->TabIndex = 2;
            this->label1->Text = L"Endereço IP";
            //
            // progressBar1
            //
            this->progressBar1->Location = System::Drawing::Point(12, 236);
            this->progressBar1->Name = L"progressBar1";
            this->progressBar1->Size = System::Drawing::Size(467, 17);
            this->progressBar1->TabIndex = 3;
            this->progressBar1->Visible = false;
            //
            // textBox2
            //
            this->textBox2->Location = System::Drawing::Point(12, 124);
            this->textBox2->Multiline = true;
            this->textBox2->Name = L"textBox2";
            this->textBox2->Size = System::Drawing::Size(222, 47);
            this->textBox2->TabIndex = 4;
            //
            // textBox3
            //
            this->textBox3->Location = System::Drawing::Point(246, 67);
            this->textBox3->Multiline = true;
            this->textBox3->Name = L"textBox3";
            this->textBox3->ReadOnly = true;
            this->textBox3->Size = System::Drawing::Size(233, 163);
            this->textBox3->TabIndex = 5;
            this->textBox3->Text = L"Waiting for data ..";
            //
            // label2
            //
            this->label2->AutoSize = true;
            this->label2->Font = (gcnew System::Drawing::Font(L"Trebuchet MS", 9, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
                static_cast<System::Byte>(0)));
            this->label2->Location = System::Drawing::Point(243, 46);
            this->label2->Name = L"label2";
            this->label2->Size = System::Drawing::Size(102, 18);
            this->label2->TabIndex = 6;
            this->label2->Text = L"Dados Recebidos";
            //
            // label3
            //
            this->label3->AutoSize = true;
            this->label3->Font = (gcnew System::Drawing::Font(L"Trebuchet MS", 9, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
                static_cast<System::Byte>(0)));
            this->label3->Location = System::Drawing::Point(12, 103);
            this->label3->Name = L"label3";
            this->label3->Size = System::Drawing::Size(103, 18);
            this->label3->TabIndex = 7;
            this->label3->Text = L"Dado para Enviar";
            //
            // label4
            //
            this->label4->AutoSize = true;
            this->label4->Font = (gcnew System::Drawing::Font(L"Trebuchet MS", 14.25F, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,
                static_cast<System::Byte>(0)));
            this->label4->ForeColor = System::Drawing::Color::Teal;
            this->label4->Location = System::Drawing::Point(179, 9);
            this->label4->Name = L"label4";
            this->label4->Size = System::Drawing::Size(122, 24);
            this->label4->TabIndex = 8;
            this->label4->Text = L"Sockets Send";
            //
            // Form1
            //
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(490, 261);
            this->Controls->Add(this->label4);
            this->Controls->Add(this->label3);
            this->Controls->Add(this->label2);
            this->Controls->Add(this->textBox3);
            this->Controls->Add(this->textBox2);
            this->Controls->Add(this->progressBar1);
            this->Controls->Add(this->label1);
            this->Controls->Add(this->button1);
            this->Controls->Add(this->textBox1);
            this->Name = L"Form1";
            this->Text = L"SocketsSend - Ferramenta para Envio de Sockets";
            this->ResumeLayout(false);
            this->PerformLayout();

        }
#pragma endregion
    private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {

                this->progressBar1->Visible = true;

                while(this->progressBar1->Value != 100) {
                    this->progressBar1->Value = 1+ (this->progressBar1->Value);
                }

                SOCKET conexao ;

                conexao = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

                sockaddr_in clientService;

                clientService.sin_family        = AF_INET;


                char result[2][20];
                int wasSplited = 0;
                char * str = (char *)(void*)Marshal::StringToHGlobalAnsi(this->textBox1->Text);

                for(int i = 0, j = strlen(str); i != j; i ++) {

                    if(str[i] == ':') {
                        wasSplited = i +1;
                        result[0][wasSplited-1] = 0;
                        continue;
                    }

                    if(!wasSplited) {
                        result[0][i] = str[i];
                    }
                    else {
                        result[1][i - wasSplited] = str[i];
                    }
                }


                clientService.sin_addr.s_addr   = inet_addr (result[0]);
                clientService.sin_port          = htons     (atoi(result[1]));

                connect(conexao, (SOCKADDR *) & clientService, sizeof (clientService));

                int sent_bytes = send(conexao, (char*)(void*)Marshal::StringToHGlobalAnsi(this->textBox2->Text) , 10, 0);

                if (sent_bytes == SOCKET_ERROR) {

                    MessageBox::Show(" Houve um erro na conexão com outro computador \n Verifique se o IP está correto !!","[ERRO INTERNO]", MessageBoxButtons::OK);
                    closesocket(conexao);
                }

                char bufferStr  [050];
                char ppReceive  [512];

                sprintf(bufferStr, "Endereco: %s - Porta: %d \r\n", result[0], atoi(result[1]));
                sprintf(bufferStr, "%sBytes Sent: %d\r\n", bufferStr, sent_bytes);

                while(sent_bytes) {

                    sent_bytes = recv(conexao, ppReceive, 512, 0);

                    if (sent_bytes > 0) {
                        sprintf(bufferStr, "%sBytes received: %d\r\n", bufferStr, sent_bytes);
                    }
                    else if (sent_bytes == -1) {
                        break;
                    }
                }

                sprintf(bufferStr, "%sConection Closed", bufferStr);

                this->textBox3->Text = gcnew String(bufferStr);

                MessageBox::Show("Conexão efetuado com sucesso !! \n Aguardando resposta do servidor . . .", "[SUCESSO]", MessageBoxButtons::OK);
                closesocket(conexao);

                this->progressBar1->Value = 0;
            }
    };
}