ニコニコ動画新着動画表示器

nicovideo_category_recent_videos_mbed.cpp

#include "mbed.h"
#include "EthernetInterface.h"
#include "GraphicOLED.h"
#include <string>

const string SERVER_HOST = "your-app.herokuapp.com";
const int SERVER_PORT = 80;

const int CATEGORY_NUM = 28;
const string NICO_CATEGORIES[CATEGORY_NUM] = {
  "ent", "music", "sing", "play", "dance",
  "vocaloid", "nicoindies", "animal", "cooking", "nature",
  "travel", "sport", "lecture", "drive", "history",
  "science", "tech", "handcraft", "make", "politics",
  "anime", "game", "toho", "imas", "radio",
  "draw", "other", "diary"
};

EthernetInterface eth;

GraphicOLED oled(p24, p26, p27, p28, p21, p22);

string access_api(const string host, const int port, string path)
{
    TCPSocketConnection sock;
    sock.connect(host.c_str(), port);

    char http_cmd[256];
    sprintf(http_cmd, "GET %s HTTP/1.1\r\nHost: %s\r\nConnection: close\r\n\r\n", path.c_str(), host.c_str());
    //printf("Request:\r\n%s\r\n", http_cmd);
    sock.send_all(http_cmd, sizeof(http_cmd)-1);

    char buffer[300];
    int ret;
    while (true) {
        ret = sock.receive(buffer, sizeof(buffer)-1);
        if (ret <= 0)
            break;
        buffer[ret] = '\0';
        //printf("Received %d chars from server:\r\n%s\r\n", ret, buffer);
    }

    sock.close();
    return string(buffer);
}

int main()
{
    string response, response_body;

    oled.cls();
    oled.printf("Hello world!\r\n");
    
    wait(5.0);
    eth.init();
    eth.connect();
    wait(5.0);

    oled.cls();
    oled.printf("IP Address: %s\r\n", eth.getIPAddress());

    while(1){
        for(int i=0;i<CATEGORY_NUM;i++){
            response = access_api(SERVER_HOST, SERVER_PORT, "/" + NICO_CATEGORIES[i]);
            response_body = response.substr((int)response.find("\r\n\r\n") + 1);
        
            oled.cls();
            oled.printf("%54.54s", response_body.c_str());
            wait(8.0);
        }
    }

    //eth.disconnect();
}