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blablalaberblaieduiranet

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This commit is contained in:
tkarrass 2013-11-02 15:01:40 +01:00
parent 2d1cd95f90
commit 7856a47f69
3 changed files with 14 additions and 16 deletions
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2
Makefile
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@ -13,7 +13,7 @@ all: bin/netsl
bin/netsl: misc.h main.c net.c bin/netsl: misc.h main.c net.c
mkdir -pv bin mkdir -pv bin
gcc -o bin/main main.c gcc -o bin/netsl main.c
clean: clean:
rm -rf bin rm -rf bin

3
msg.c
View File

@ -44,8 +44,11 @@ void serialize_int(int x, Buffer * b) {
memcpy(((char *)b->data) + b->next, &x, sizeof(int)); memcpy(((char *)b->data) + b->next, &x, sizeof(int));
b->next += sizeof(int); b->next += sizeof(int);
} }
void struct
//serialize_string //serialize_string
//serialize_message //serialize_message

25
net.c
View File

@ -38,7 +38,7 @@ int run_server(const struct prog_info *pinfo) {
hints.ai_socktype = SOCK_DGRAM; hints.ai_socktype = SOCK_DGRAM;
sprintf(portbuf, "%d", pinfo->port); sprintf(portbuf, "%d", pinfo->port);
if ((ret=getaddrinfo("0.0.0.0", portbuf, &hints, &servinfo)) != 0) { if ((ret=getaddrinfo("255.255.255.255", portbuf, &hints, &servinfo)) != 0) {
fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(ret)); fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(ret));
return 1; return 1;
} }
@ -61,6 +61,12 @@ int run_server(const struct prog_info *pinfo) {
tim.tv_sec = 0; tim.tv_sec = 0;
tim.tv_nsec = 500000000; tim.tv_nsec = 500000000;
int broadcastPermission = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_BROADCAST, (void *) &broadcastPermission,sizeof(broadcastPermission)) < 0){
fprintf(stderr, "setsockopt error");
exit(1);
}
for (;;) { for (;;) {
printf("sending...\n"); printf("sending...\n");
int numbytes; int numbytes;
@ -83,8 +89,6 @@ int run_client(const struct prog_info *pinfo, void (*framecallback)(long) ) {
struct addrinfo hints, *servinfo; struct addrinfo hints, *servinfo;
char portbuf[6]; char portbuf[6];
//framecallback(123);
memset(&hints, 0, sizeof(hints)); memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET; // IPv4 hints.ai_family = AF_INET; // IPv4
hints.ai_socktype = SOCK_DGRAM; // UDP hints.ai_socktype = SOCK_DGRAM; // UDP
@ -104,13 +108,6 @@ int run_client(const struct prog_info *pinfo, void (*framecallback)(long) ) {
int sockfd; int sockfd;
char s[INET6_ADDRSTRLEN]; char s[INET6_ADDRSTRLEN];
for (info = servinfo; info != NULL; info = info->ai_next) { for (info = servinfo; info != NULL; info = info->ai_next) {
/* if (info->ai_addr) {
struct sockaddr_in* p = (struct sockaddr_in *)info->ai_addr;
inet_ntop(p->sin_family, &p->sin_addr, s, INET6_ADDRSTRLEN);
printf(" %d: %s\n", info->ai_addr->sa_family, s);
}
*/
if ((sockfd = socket(info->ai_family, info->ai_socktype, info->ai_protocol)) == -1) { if ((sockfd = socket(info->ai_family, info->ai_socktype, info->ai_protocol)) == -1) {
perror("sock"); perror("sock");
continue; continue;
@ -141,17 +138,15 @@ int run_client(const struct prog_info *pinfo, void (*framecallback)(long) ) {
exit(1); exit(1);
} }
printf("listener: got packet from %s\n", inet_ntop(their_addr.ss_family, get_in_addr((struct sockaddr *)&their_addr), s, sizeof s)); //printf("listener: got packet from %s\n", inet_ntop(their_addr.ss_family, get_in_addr((struct sockaddr *)&their_addr), s, sizeof s));
printf("listener: packet is %d bytes long\n", numbytes); //printf("listener: packet is %d bytes long\n", numbytes);
buf[numbytes] = '\0'; buf[numbytes] = '\0';
printf("listener: packet contains \"%s\"\n", buf); //printf("listener: packet contains \"%s\"\n", buf);
framecallback(123); framecallback(123);
} while (strncmp(buf, "exit", 10000)); } while (strncmp(buf, "exit", 10000));
close(sockfd); close(sockfd);
return 0; return 0;