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