Main

Central_Control_Board/WheatherAPI/Wheather.c

+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/select.h>
+#include <sys/time.h>
+
+#define BUFFER_MAX 3
+#define DIRECTION_MAX 256
+#define VALUE_MAX 256
+
+#define IN 0
+#define OUT 1
+
+#define LOW 0
+#define HIGH 1
+void error_handling(char *message){
+    fputs(message, stderr);
+    fputc('\n', stderr);
+    exit(1);
+}
+
+int main(int argc, char *argv[]){
+    int sock;
+    struct sockaddr_in serv_addr;
+    int str_len;
+    if (argc != 2){
+        printf("Usage : %s <port>\n", argv[0]);
+        exit(1);
+    }
+
+    sock = socket(PF_INET, SOCK_STREAM, 0);
+    if (sock == -1)
+        error_handling("socket() error");
+
+    memset(&serv_addr, 0, sizeof(serv_addr));
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+    serv_addr.sin_port = htons(atoi(argv[1]));
+
+    if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == -1)
+        error_handling("connect() error");
+
+    printf("Connection established\n");
+
+    char str[50];
+    while (1)
+    {
+        float temperature, hyderation;
+        int dust, rainPer;
+        int weatherCode;
+        printf("input temperature, hyderation: ");
+        scanf("%f %f",&temperature,&hyderation);
+        printf("input Whether prediction(1.Sunny,2.Cloud,3.Windy,4.Rain,5.Snow)\n:");
+        scanf("%d",&weatherCode);
+        printf("input dust, rainPer:");
+        scanf("%d %d",&dust,&rainPer);
+
+        snprintf(str, 50,"%.2f %.2f %d %d %d", temperature, hyderation, weatherCode, dust, rainPer);
+        int bytes_written = write(sock, str, sizeof(str));
+        if (bytes_written == -1)
+            error_handling("write() error");
+        usleep(500 * 100);
+        printf("Write success: %s\n",str);
+    }
+
+    close(sock);
+
+    return (0);
+}
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