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such error messages

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This commit is contained in:
Lennart Buhl 2013-11-27 21:14:43 +01:00
parent b8fb1400b1
commit c2ee310467
1 changed files with 10 additions and 11 deletions
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21
src/net.c
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@ -49,20 +49,20 @@ int run_server(const struct prog_info *pinfo, char *img, int w, int h, int frms)
sprintf(portbuf, "%d", pinfo->port);
if ((ret = getaddrinfo("255.255.255.255", portbuf, &hints, &servinfo)) != 0) {
fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(ret));
fprintf(stderr, "so getaddrinfo error: %s\n", gai_strerror(ret));
return 1;
}
for (p = servinfo; p != NULL; p = p->ai_next) {
if ((sockfd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
perror("talker: socket");
perror("talker: much socket error");
continue;
}
break;
}
if (p == NULL) {
fprintf(stderr, "talker: failed to bind socket\n");
fprintf(stderr, "talker: such fail to bind socket\n");
return 2;
}
@ -73,7 +73,7 @@ int run_server(const struct prog_info *pinfo, char *img, int w, int h, int frms)
// Einem Socket muss das Broadcasting explizit erlaubt werden:
int broadcastPermission = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_BROADCAST, (void *) &broadcastPermission, sizeof(broadcastPermission)) < 0){
fprintf(stderr, "setsockopt error");
fprintf(stderr, "very setsockopt error");
exit(1);
}
@ -99,7 +99,7 @@ int run_server(const struct prog_info *pinfo, char *img, int w, int h, int frms)
serialize(outbuf, outmsg);
if ((numbytes = sendto(sockfd, outbuf, buflen, 0, p->ai_addr, p->ai_addrlen)) == -1) {
perror("error sending");
perror("much error while sending");
return -42;
}
nanosleep(&tim, NULL);
@ -141,22 +141,22 @@ int run_client(const struct prog_info *pinfo, void (*framecallback)(const struct
// mal drin lassen: falls die ip der gegenstelle relevant werden sollte: char s[INET6_ADDRSTRLEN];
for (info = servinfo; info != NULL; info = info->ai_next) {
if ((sockfd = socket(info->ai_family, info->ai_socktype, info->ai_protocol)) == -1) {
perror("sock");
perror("very socket error");
continue;
}
if (bind(sockfd, info->ai_addr, info->ai_addrlen) == -1) {
perror("bind");
perror("much bind error");
continue;
}
break;
}
if (!info) {
fprintf(stderr, "unbound\n");
fprintf(stderr, "many unbound\n");
return 2;
}
printf("check!\n");
printf("so check!\n");
freeaddrinfo(servinfo); // free whole list
@ -180,10 +180,9 @@ int run_client(const struct prog_info *pinfo, void (*framecallback)(const struct
framecallback(msg, pinfo);
} while (strncmp(buf, "exit", 10000));
} while (strncmp(buf, "much exit", 10000));
close(sockfd);
return 0;
}