File content as of revision 1:4e629f9ac9e8:

#include "mbed.h"
#include "uLCD_4DGL.h"
#include "board.h"
#include "rtos.h"
#include "EthernetInterface.h"
#include "HTTPClient.h"
#include <sstream>
#include <string>
#include <iostream>

uLCD_4DGL lcd(p28,p27,p30); // serial tx, serial rx, reset pin;
Serial pc(USBTX, USBRX);
DigitalIn in0(p11);
DigitalIn in1(p12);
DigitalIn in2(p13);
DigitalIn in3(p14);
DigitalIn in4(p15);
DigitalIn in5(p16);
DigitalIn in6(p17);
DigitalIn in7(p18);
DigitalIn in8(p19);

Mutex stdio_mutex;



int player1=1;
int player2=2;
int turn =1;
int printout = 0;


void printBoard(int ** board)
{
    lcd.cls();
    lcd.line(0, 42 , 127, 42 , 0xFF0000);
    lcd.line(0, 84 , 127, 84 , 0xFF0000);
    lcd.line(42, 0 , 42, 127, 0xFF0000);
    lcd.line(84, 0, 84, 127, 0xFF0000);
    for(int i=0; i<3; i++) {
        for(int j=0; j<3; j++) {
            if(board[i][j] == 0) {
                lcd.line( j*42+2 , i*42 + 2 ,(j+1)*42-2 , (i+1)*42-2 , GREEN);
                lcd.line( j*42+2 , (i+1)*42 - 2 ,(j+1)*42-2 , (i)*42+2 , GREEN);
            } else if(board[i][j] == 1) {
                lcd.circle(42*j+21, 42*i+21, 19, BLUE);
            }
        }
    }
}
typedef enum GAME_STATE {
    STARTING, PLAYING, OVER, RETURN_ERROR = -1
} GAME_STATE;
HTTPClient http;
EthernetInterface eth;
char str[4096];
int StartNewGame()
{
    HTTPResult ret = http.get("http://4180.azurewebsites.net/api/TicTacToeGames/New", str, 4096);
    if (ret > 0) {
        pc.printf("HTTP Error return in StartNewGame\n");
        return -1;
    }
    return atoi(str);
}
int JoinGame()
{
    HTTPResult ret = http.get("http://4180.azurewebsites.net/api/TicTacToeGames/Join", str, 4096);
    if (ret > 0) {
        pc.printf("HTTP Error return in JoinGame\n");
        return -1;
    }
    return atoi(str);
}
ostringstream host;
string s;
const char* cstr;
GAME_STATE GetGameState(int gameId)
{
    //ostringstream host;
    host.clear();
    host  << "http://4180.azurewebsites.net/odata/TicTacToeGames(" << gameId << ")?$select=GameState";
    s = host.str();
    cstr = s.c_str();
    printf("**** HOST IS  %s\n", cstr);
    HTTPResult ret = http.get(cstr, str, 4096);
    if (ret > 0) {
        pc.printf("HTTP Error return in GetGameState\n");
        return (GAME_STATE)-1;
    }
    s = string(str);
    if (s.find("\"GameState\":\"STARTING\"") != string::npos)
        return STARTING;
    else if(s.find("\"GameState\":\"PLAYING\"") != string::npos)
        return PLAYING;
    else if(s.find("\"GameState\":\"OVER\"") != string::npos)
        return OVER;
    else
        return RETURN_ERROR;

    return (GAME_STATE)atoi(str);
}
void ParseBoard(string str, int** board)
{
    
   // printf("Entering ParseBoard, got %s\n", str.c_str());
    for (int i = 0; i < str.length(); i++){
        if (str[i] == '[' || str[i] == ']' || str[i] == ',' || str[i] == '"')
            str[i] = ' ';    
    }
    string temp;
    for (int i = 0; i < str.length() - 1; i++){
        if (!(str[i] == ' ' && str[i+1] == ' ')){
            temp += str[i];
        }

    }
    
    str = temp;
   // printf("With changed delimiters %s\n", str.c_str());
    stringstream stream(str);
    int t = 0;
    for (int i = 0; i < 3; i++){
        for (int j = 0; j < 3; j++){
            while(t < str.length() && str[t] == ' ')
                t++;
                board[i][j] = (int)(str[t] - '0');
            //stream >> board[i][j];  
            }  
    }
    
   /* char c;
    stream >> c; // eat [
    for (int i = 0; i < 3; i++) {
        stream >> c; // eat [
        for (int j = 0; j < 2; j++) {
            stream >> board[i][j];
            stream >> c ;// eat ,
        }
        stream >> board[i][2];
        stream >> c ;// eat ]
        if (i != 2)
            stream >> c; // eat ,
    }*/
  /*  for (int i = 0; i < 3; i++) {
        printf("\n[");
        for (int j = 0; j < 3; j++)
            printf("%d ", board[i][j]);
        printf("]");
    }*/
}
int GetBoardState(int gameId, int** board)
{
    ostringstream host;
    host  << "http://4180.azurewebsites.net/odata/TicTacToeGames(" << gameId << ")?$select=BoardState";
    string s = host.str();
    HTTPResult ret = http.get(s.c_str(), str, 4096);
    if (ret > 0) {
        pc.printf("HTTP Error return in GetBoardState\n");
        return -1;
    }
    s = string(str);
    int pos = s.find("\"BoardState\":");
    if (pos == string::npos)
        return -1;

    ParseBoard(s.substr(pos +13, string::npos), board);
    return 0;
}
string GameStateToString(GAME_STATE state)
{
    switch(state) {
        case STARTING:
            return "STARTING";
        case PLAYING:
            return "PLAYING";
        case OVER:
            return "OVER";
        default:
        case RETURN_ERROR:
            return "ERROR";
    }
}
int main()
{
    pc.printf("Ethernet connecting...\n");
    eth.init(); //Use DHCP
    eth.connect();
    pc.printf("IP Address is %s\n", eth.getIPAddress());
    pc.printf("Trying Start New Game...\n");
    int game = StartNewGame();
    wait(1);
    pc.printf("Got: %d\n\n", game);
    pc.printf("Trying GetGameState for Game %d...\n", game);
    pc.printf("Got: %s\n\n", GameStateToString(GetGameState(game)).c_str());
    pc.printf("Trying Join Game...\n");
    game = JoinGame();
    wait(1);
    pc.printf("Got: %d\n\n", game);
    //pc.printf("Trying GetGameState for Game %d...\n", game);
    //pc.printf("Got: %s\n\n", GameStateToString(GetGameState(game)).c_str());
    pc.printf("Trying GetBoardState for Game %d...\n", game);
    Board b;
    wait(1);
    pc.printf("Got: %d\n\n", GetBoardState(game, b.get_board()));
    pc.printf("Testing over****\n");
    /*pc.printf("%d\n", sizeof(str));
    HTTPResult ret = http.get("http://4180.azurewebsites.net/api/TicTacToeGames/New", str, 4096);//http.get("http://4180.azurewebsites.net/", str, 4096);
    if (ret > 0)
    pc.printf("Return error\n");
    for (int i = 0; i < 4096;i++){
    if (str[i] == '1'|| str[i] == '2' || str[i] == '3' || str[i] == '4')
    pc.printf("HERE %d\n", i);
    pc.putc(str[i]);
    pc.printf("\n");
    }*/
    return 0;
    TCPSocketConnection socket;


    int r = socket.connect("4180.azurewebsites.net", 80);
    if (r != 0)
        pc.printf("Failed to connect to 4180.azurewebsites.net:80!\r\n");
    char http_cmd[] = "GET / HTTP/1.0\n\n";
    socket.send_all(http_cmd, sizeof(http_cmd)-1);

    char buff[300];
    int rtn;
    while (true) {
        rtn = socket.receive(buff, sizeof(buff)-1);
        if (rtn <= 0)
            break;
        buff[rtn] = '\0';
        pc.printf("Received %d chars from server:\n%s\n", rtn, buff);
    }
    pc.printf("Closing socket...\n");
    socket.close();
    eth.disconnect();
    /* int ret = http.get("http://ece4180mbedonlinegaming.azurewebsites.net/odata/TicTacToeGames(1)?$select=BoardState", str, 2048);
     printf("%d\n",ret);
     printf("Result: %s\n", str);*/
    /*
    in0.mode(PullUp);
    in1.mode(PullUp);
    in2.mode(PullUp);
    in3.mode(PullUp);
    in4.mode(PullUp);
    in5.mode(PullUp);
    in6.mode(PullUp);
    in7.mode(PullUp);
    in8.mode(PullUp);

    Board board;
    int ** output = board.get_board();
    printBoard(output);
    lcd.baudrate(3000000);

    lcd.line(0, 42 , 127, 42 , 0xFF0000);
    lcd.line(0, 84 , 127, 84 , 0xFF0000);
    lcd.line(42, 0 , 42, 127, 0xFF0000);
    lcd.line(84, 0, 84, 127, 0xFF0000);

    while (true) {
        if(!in0)
            printout = 1;
        else if(!in1)
            printout = 2;
        else if(!in2)
            printout = 3;
        else if(!in3)
            printout = 4;
        else if(!in4)
            printout = 5;
        else if(!in5)
            printout = 6;
        else if(!in6)
            printout = 7;
        else if(!in7)
            printout = 8;
        else if(!in8)
            printout = 9;
        else
            printout = 0;


        if(printout>0)
        {
            bool valid = board.updateBoard(turn, printout-1);

            if(valid)
            {
                output = board.get_board();
                printBoard(output);
                printout=0;
                int victory = board.check_victory(turn);
                if(victory ==1)
                {
                    lcd.cls();
                    lcd.printf("player 1 win!");
                    return 0;
                }
                else if(victory == 2)
                {
                    lcd.cls();
                    lcd.printf("player 2 win!");
                    return 0;
                }
                if(turn ==1)
                    turn =2;
                else
                    turn =1;
            }
        }
        Thread::wait(400);
    }
    */

}