sh

serverTest.c

+#include <arpa/inet.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <pthread.h>
+#include <wiringPi.h>
+#include <unistd.h>
+#include <softTone.h>
+#include <stdbool.h>
+
+#define BUTTON 28
+#define BUZZER 29
+#define START 10
+#define END 30
+
+int count_clnt = 0;
+int clnt_socks[3];
+
+void error_handling(char *message){
+    fputs(message, stderr);
+    fputc('\n', stderr);
+    exit(1);
+}
+
+void *sendMessage(void *arg){
+
+
+    int clnt_sock = *((int *)arg);
+    char message[1024];
+    int repeat = 0;
+    bool checkButton = true;
+
+    int scale [23] = { 659, 659, 0, 659, 0, 523, 659, 0, 784, 0,0,0, 392, 0,0,0, 523, 0,0, 392, 0,0,330 } ;
+
+    //client 수 카운드
+    count_clnt++;
+
+    //모든 client 접속 완료시 실행
+    while(1){
+        if(count_clnt == 3){
+            break;
+        }
+    }
+
+    delay(5000);
+
+    //wiringPi 셋업
+    wiringPiSetup();
+
+    //모드 설정
+    pinMode(BUTTON, INPUT);
+    softToneCreate(BUZZER);
+
+    //buffer 초기화
+    memset(message, 0, sizeof(message));
+    while(1){
+
+        //버튼 눌렸을 시
+        if(digitalRead(BUTTON) == HIGH){
+            //수면모드 강제시작
+            if(repeat < START){
+                strcpy(message, "s");
+                write(clnt_sock, message, sizeof(message));
+                repeat = START + 1;
+            }
+
+            //수면모드 강제 종료
+            else if(START < repeat && repeat < END){
+                strcpy(message, "e");
+                write(clnt_sock, message, sizeof(message));
+
+                if(read(clnt_socks[1], message, sizeof(message)) == -1)
+                    perror("read error in getMessage\n");
+                else
+                    write(clnt_socks[0], message, sizeof(message));
+
+                repeat = END + 1;
+            }
+        }
+
+        //수면 준비
+        if(repeat == 0){
+            strcpy(message, "rs1");
+            write(clnt_sock, message, sizeof(message));
+        }
+        else if(repeat == 5){
+            strcpy(message, "rs2");
+            write(clnt_sock, message, sizeof(message));
+        }
+
+        //수면모드 실행
+        else if(repeat == START){
+            strcpy(message, "s");
+            write(clnt_sock, message, sizeof(message));
+        }
+        //기상 준비
+        else if(repeat == 25){
+            strcpy(message, "re");
+            write(clnt_sock, message, sizeof(message));
+        }
+        //기상
+        else if(repeat == END){
+            strcpy(message, "e");
+            int a = write(clnt_sock, message, sizeof(message));
+
+            int i = 0;
+            //기상알람 + Button이 눌리면 꺼짐
+            do{
+                // printf ("%3d\n", i) ;
+                softToneWrite (BUZZER, scale [i]) ;
+                i++;
+                delay (200) ;
+
+                //노래 반복위해 초기화
+                if(i == 23)
+                    i = 0;
+
+                if(digitalRead(BUTTON) == HIGH)
+                    checkButton = false;
+
+            }while(checkButton);
+
+            softToneWrite (BUZZER, 0) ;
+
+            //모션센서 값 받아옴
+            if(read(clnt_socks[1], message, sizeof(message)) == -1)
+                perror("read error in getMessage\n");
+
+            else{
+                //LCD한테 값 넘겨줌
+                delay(3000);
+                write(clnt_socks[0], message, sizeof(message));
+
+            }
+
+            pthread_exit((void *) 0);            
+        }
+
+
+        repeat++;
+        delay(1000);
+    }
+    
+}
+
+int main(int argc, char *argv[]){
+
+    int serv_sock, clnt_sock = -1;
+
+    struct sockaddr_in serv_addr, clnt_addr;
+    socklen_t clnt_addr_size;
+    pthread_t p_thread[3];
+
+    if (argc != 2){
+        printf("Usage : %s <port>\n", argv[0]);
+    }
+
+    //socket 설정
+    serv_sock = socket(PF_INET, SOCK_STREAM, 0);
+    if (serv_sock == -1)
+        error_handling("socket() error");
+
+    //소켓 주소에 바인딩
+    memset(&serv_addr, 0, sizeof(serv_addr));
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+    serv_addr.sin_port = htons(atoi(argv[1]));
+    if (bind(serv_sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == -1)
+        error_handling("bind() error");
+
+    //수신대기
+    if (listen(serv_sock, 5) == -1)
+        error_handling("listen() error");
+
+    if (clnt_sock < 0)
+        clnt_addr_size = sizeof(clnt_addr);
+
+        
+
+    int i = 0;
+    //다른 RP에 기상시간, 취침시간 전송
+    while (1){
+        clnt_sock =
+                accept(serv_sock, (struct sockaddr *)&clnt_addr, &clnt_addr_size); //client 연결 수락
+        if (clnt_sock == -1){
+            error_handling("accept() error");
+            exit(0);
+        }
+        clnt_socks[i] = clnt_sock;
+        printf("Connection established\n");
+        pthread_create(&p_thread[i], NULL, sendMessage, &clnt_socks[i]);
+        i++;
+
+    }
+
+    pthread_join(p_thread[0], NULL);
+    pthread_join(p_thread[1], NULL);
+    pthread_join(p_thread[2], NULL);
+
+    close(clnt_sock);
+    close(serv_sock);
+
+    return (0);
+    
+}
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