mirror of
https://github.com/ada-dmitry/TMP_C712.git
synced 2026-09-24 01:00:19 +00:00
143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <error.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <time.h>
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#define errExit(msg) do { perror(msg); _exit(EXIT_FAILURE); } while (0)
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#define SerrExit(s,msg) do { close(s); perror(msg); _exit(EXIT_FAILURE); } while (0)
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#define SERVER_PATH "/tmp/unix_sock.server"
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#define CLIENT_PATH "unix_sock.client"
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#define DATA "Hello from client"
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#define BUF 128
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#define FINS "exit_s"
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#define FINC "exit_c"
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//#define INFO
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int rcvBuffer(int sock_fd){
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int rcvBufferSize;
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socklen_t sockOptSize = sizeof(rcvBufferSize);
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getsockopt(sock_fd, SOL_SOCKET, SO_RCVBUF, &rcvBufferSize, &sockOptSize);
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#ifdef INFO
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printf("initial socket receive buf %d\n", rcvBufferSize);
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#endif
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return rcvBufferSize;
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}
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int recvCount(const void *s, int size){
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register int count;
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register int mark;
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register char *p;
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p=(char *)s;
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count = 0;
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mark = 0;
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do {
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if (*p && !(*(p+1))) count++;
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#ifdef INFO
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printf("[%c][%X]\n",*p,*p);
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#endif
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p++;
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mark++;
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} while (!((*p == '\0') && (*(p+1)=='\0')) && (mark < size));
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return count;
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}
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int main(int argc,char *argv[]){
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int client_sock, rc, len;
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struct sockaddr_un server_sockaddr;
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struct sockaddr_un client_sockaddr;
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char obuf[BUF];
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char **ibuf;
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size_t obs=BUF,ibs;
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char cpath[22];
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sprintf(cpath,"%d-%s",getpid(),CLIENT_PATH);
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len = sizeof(client_sockaddr);
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memset(&server_sockaddr, 0, sizeof(struct sockaddr_un));
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memset(&client_sockaddr, 0, sizeof(struct sockaddr_un));
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client_sock = socket(AF_UNIX, SOCK_STREAM, 0);
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if (client_sock == -1) {
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perror("socket");
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exit(1);
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}
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client_sockaddr.sun_family = AF_UNIX;
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strcpy(client_sockaddr.sun_path, cpath);
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unlink(cpath);
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rc = bind(client_sock, (struct sockaddr *) &client_sockaddr, len);
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if (rc == -1) SerrExit(client_sock,"bind");
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server_sockaddr.sun_family = AF_UNIX;
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strcpy(server_sockaddr.sun_path, SERVER_PATH);
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rc = connect(client_sock, (struct sockaddr *) &server_sockaddr, len);
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if (rc == -1) SerrExit(client_sock,"connect");
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ibs=rcvBuffer(client_sock);
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if ((ibuf=(char **)malloc(ibs)) == NULL ) errExit("malloc");
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do {
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memset(obuf, 0, obs);
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printf("> ");
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scanf("%s",obuf);
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printf("Sending data...\n");
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rc = send(client_sock, obuf, strlen(obuf)+1, 0);
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if (rc == -1) {
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perror("send");
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close(client_sock);
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exit(1);
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} else {
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printf("Data sent!\n");
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}
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printf("Waiting to recieve data...\n");
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memset(ibuf, 0, ibs);
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rc = recv(client_sock, ibuf, ibs,0);
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if (rc == -1) {
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perror("recv");
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close(client_sock);
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exit(1);
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} else {
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int c = recvCount(ibuf,ibs);
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#ifdef INFO
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char *p = (char *)ibuf;
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printf("count: %d resieved\n",c);
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for (int i = 0; i < 32; i++){
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printf("[%c][%X]",*p,*p);
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p++;
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}
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printf("\n");
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#endif
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#ifndef INFO
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char p[obs];
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char *tp = (char *)ibuf;
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// if ((ibuf=(char **)malloc(ibs)) == NULL ) errExit("malloc");
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for (int i = 0; i < c; i++){
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memset(p,0,obs);
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while (*tp) {strncat(p,tp,1);tp++;}
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tp++;
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// printf("DATA RECEIVED [%ld] = %s\n", strlen(ibuf[i]),ibuf[i]);
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printf("DATA RECEIVED [%ld] = %s\n", strlen(p),p);
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// printf("DATA RECEIVED [%ld] = %s\n", strlen(p[i]),p[i]);
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}
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#endif
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}
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} while (strcmp(obuf,FINC) && strcmp(obuf,FINS));
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close(client_sock);
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unlink(cpath);
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return 0;
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}
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