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sock.cpp
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sock.cpp
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#include "stdafx.h"
#include "sock.h"
#include <iostream>
#include <cstring>
#include <string>
int i = 0;
// Replace with c++ JSON formater
// Formats text to JSON format manually
string sock::toACP(string message)
{
string header = "{\"name\":\"processRawText\", \"parameters\":[\"";
header += message + "\", 'HARDCOPY', 'ocr']}";
return header;
}
// Create socket for TCP connection
// Uses winsock
int sock::connection(char* DEFAULT_PORT, string sendbus)
{
// Check if sent successful
char pass[16] = "{\"status\":0}\r\n";
pass[14] = 0;
pass[15] = 10;
int argc = 2;
WSADATA wsaData;
SOCKET ConnectSocket = INVALID_SOCKET;
struct addrinfo *result = NULL,
*ptr = NULL,
hints;
//std::cout<<sendbus<<endl;
char *sendbuf = new char[2048];
strncpy(sendbuf, sendbus.c_str(), sendbus.size() + 1);
sendbuf[sendbus.size()] = 0;
std::cout<<sendbuf;
char recvbuf[16];
int iResult;
int recvbuflen = 16;
// Initialize Winsock
iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
if(iResult != 0)
{
printf("WSAStartup failed with error: %d\n", iResult);
return 1;
}
ZeroMemory(&hints, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
// Resolve the server address and port
iResult = getaddrinfo("127.0.0.1", DEFAULT_PORT, &hints, &result);
if(iResult != 0)
{
printf("getaddrinfo failed with error: %d\n", iResult);
WSACleanup();
return 1;
}
// Attempt to connect to an address until one succeeds
for(ptr = result; ptr != NULL; ptr = ptr->ai_next) {
// Create a SOCKET for connecting to server
ConnectSocket = socket(ptr->ai_family, ptr->ai_socktype,
ptr->ai_protocol);
if (ConnectSocket == INVALID_SOCKET) {
printf("socket failed with error: %ld\n", WSAGetLastError());
WSACleanup();
return 1;
}
// Connect to server
iResult = connect(ConnectSocket, ptr->ai_addr, (int)ptr->ai_addrlen);
if(iResult == SOCKET_ERROR)
{
closesocket(ConnectSocket);
ConnectSocket = INVALID_SOCKET;
continue;
}
break;
}
freeaddrinfo(result);
if(ConnectSocket == INVALID_SOCKET)
{
printf("Unable to connect to server!\n");
WSACleanup();
return 1;
}
// Send an initial buffer
iResult = send( ConnectSocket, sendbuf, (int)strlen(sendbuf), 0 );
if (iResult == SOCKET_ERROR)
{
printf("send failed with error: %d\n", WSAGetLastError());
closesocket(ConnectSocket);
WSACleanup();
return 1;
}
printf("Bytes Sent: %ld\n", iResult);
// shutdown the connection since no more data will be sent
iResult = shutdown(ConnectSocket, SD_SEND);
if(iResult == SOCKET_ERROR)
{
printf("shutdown failed with error: %d\n", WSAGetLastError());
closesocket(ConnectSocket);
WSACleanup();
return 1;
}
// Receive until the peer closes the connection
do {
iResult = recv(ConnectSocket, recvbuf, recvbuflen, 0);
if(iResult > 0)
{
printf("Bytes received: %d\n", iResult);
printf("%s", recvbuf);
if (recvbuf[10] != '0')
{
closesocket(ConnectSocket);
WSACleanup();
return 1;
}
else
printf("**successful \n");
}
else if(iResult == 0)
printf("Connection closed\n");
else
printf("recv failed with error: %d\n", WSAGetLastError());
} while(iResult > 0);
// Cleanup
closesocket(ConnectSocket);
WSACleanup();
return 0;
}