add

code/suntrack_plugcontrol_server_client/iot_client.c

@@ -0,0 +1,155 @@
+/* 서울기술 교육센터 IoT */
+/* author : KSH */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <pthread.h>
+#include <signal.h>
+
+#define BUF_SIZE 512
+#define NAME_SIZE 512
+#define ARR_CNT 5
+
+void *send_msg(void *arg);
+void *recv_msg(void *arg);
+void error_handling(char *msg);
+
+char name[NAME_SIZE] = "[Default]";
+char msg[BUF_SIZE];
+
+int main(int argc, char *argv[])
+{
+	int sock;
+	struct sockaddr_in serv_addr;
+	pthread_t snd_thread, rcv_thread;
+	void *thread_return;
+
+	if (argc != 4)
+	{
+		printf("Usage : %s <IP> <port> <name>\n", argv[0]);
+		exit(1);
+	}
+
+	sprintf(name, "%s", argv[3]);
+
+	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(argv[1]);
+	serv_addr.sin_port = htons(atoi(argv[2]));
+
+	if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == -1)
+		error_handling("connect() error");
+
+	sprintf(msg, "[%s:PASSWD]", name);
+	write(sock, msg, strlen(msg));
+	pthread_create(&rcv_thread, NULL, recv_msg, (void *)&sock);
+	pthread_create(&snd_thread, NULL, send_msg, (void *)&sock);
+
+	pthread_join(snd_thread, &thread_return);
+	//	pthread_join(rcv_thread, &thread_return);
+
+	close(sock);
+	return 0;
+}
+
+void *send_msg(void *arg)
+{
+	int *sock = (int *)arg;
+	int str_len;
+	int ret;
+	fd_set initset, newset;
+	struct timeval tv;
+	char name_msg[NAME_SIZE + BUF_SIZE + 2];
+
+	FD_ZERO(&initset);
+	FD_SET(STDIN_FILENO, &initset);
+
+	fputs("Input a message! [ID]msg (Default ID:ALLMSG)\n", stdout);
+	while (1)
+	{
+		memset(msg, 0, sizeof(msg));
+		name_msg[0] = '\0';
+		tv.tv_sec = 1;
+		tv.tv_usec = 0;
+		newset = initset;
+		ret = select(STDIN_FILENO + 1, &newset, NULL, NULL, &tv);
+		if (FD_ISSET(STDIN_FILENO, &newset))
+		{
+			fgets(msg, BUF_SIZE, stdin);
+			if (!strncmp(msg, "quit\n", 5))
+			{
+				*sock = -1;
+				return NULL;
+			}
+			else if (msg[0] != '[')
+			{
+				strcat(name_msg, "[ALLMSG]");
+				strcat(name_msg, msg);
+			}
+			else
+				strcpy(name_msg, msg);
+			if (write(*sock, name_msg, strlen(name_msg)) <= 0)
+			{
+				*sock = -1;
+				return NULL;
+			}
+		}
+		if (ret == 0)
+		{
+			if (*sock == -1)
+				return NULL;
+		}
+	}
+}
+
+void *recv_msg(void *arg)
+{
+	int *sock = (int *)arg;
+	int i;
+	char *pToken;
+	char *pArray[ARR_CNT] = {0};
+
+	char name_msg[NAME_SIZE + BUF_SIZE + 1];
+	int str_len;
+	while (1)
+	{
+		memset(name_msg, 0x0, sizeof(name_msg));
+		str_len = read(*sock, name_msg, NAME_SIZE + BUF_SIZE);
+		if (str_len <= 0)
+		{
+			*sock = -1;
+			return NULL;
+		}
+		name_msg[str_len] = 0;
+		fputs(name_msg, stdout);
+
+		/*   	pToken = strtok(name_msg,"[:]");
+			i = 0;
+			while(pToken != NULL)
+			{
+			pArray[i] =  pToken;
+			if(i++ >= ARR_CNT)
+			break;
+			pToken = strtok(NULL,"[:]");
+			}
+
+		//		printf("id:%s, msg:%s,%s,%s,%s\n",pArray[0],pArray[1],pArray[2],pArray[3],pArray[4]);
+		printf("id:%s, msg:%s\n",pArray[0],pArray[1]);
+		*/
+	}
+}
+
+void error_handling(char *msg)
+{
+	fputs(msg, stderr);
+	fputc('\n', stderr);
+	exit(1);
+}