diff options
Diffstat (limited to 'libhw_cr/host_net.c')
| -rw-r--r-- | libhw_cr/host_net.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/libhw_cr/host_net.c b/libhw_cr/host_net.c index 4a2e65f..8016787 100644 --- a/libhw_cr/host_net.c +++ b/libhw_cr/host_net.c @@ -376,6 +376,8 @@ void hostnet_udp_conn_init(struct hostnet_udp_conn *self, uint16_t port) { fd = socket(AF_INET, SOCK_DGRAM, 0); if (fd < 0) error(1, errno, "socket"); + if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &(int){1}, sizeof(int)) < 0) + error(1, errno, "setsockopt(fd=%d, SO_BROADCAST=1)", fd); if (bind(fd, &addr.gen, sizeof addr) < 0) error(1, errno, "bind"); @@ -408,10 +410,10 @@ static void *hostnet_pthread_sendto(void *_args) { addr.in.sin_family = AF_INET; addr.in.sin_addr.s_addr = - (((uint32_t)args->node.octets[0])<<24) | - (((uint32_t)args->node.octets[1])<<16) | - (((uint32_t)args->node.octets[2])<< 8) | - (((uint32_t)args->node.octets[3])<< 0) ; + (((uint32_t)args->node.octets[3])<<24) | + (((uint32_t)args->node.octets[2])<<16) | + (((uint32_t)args->node.octets[1])<< 8) | + (((uint32_t)args->node.octets[0])<< 0) ; addr.in.sin_port = htons(args->port); *(args->ret) = sendto(args->connfd, args->buf, args->count, 0, &addr.gen, sizeof(addr)); if (*(args->ret) < 0) @@ -473,7 +475,7 @@ static void *hostnet_pthread_recvfrom(void *_args) { struct sockaddr gen; struct sockaddr_storage stor; } addr = {}; - socklen_t addr_size; + socklen_t addr_size = sizeof(addr); *(args->ret_size) = setsockopt(args->connfd, SOL_SOCKET, SO_RCVTIMEO, &args->timeout, sizeof(args->timeout)); @@ -487,10 +489,10 @@ static void *hostnet_pthread_recvfrom(void *_args) { assert(addr.in.sin_family == AF_INET); if (args->ret_node) { - args->ret_node->octets[0] = (addr.in.sin_addr.s_addr >> 24) & 0xFF; - args->ret_node->octets[1] = (addr.in.sin_addr.s_addr >> 16) & 0xFF; - args->ret_node->octets[2] = (addr.in.sin_addr.s_addr >> 8) & 0xFF; - args->ret_node->octets[3] = (addr.in.sin_addr.s_addr >> 0) & 0xFF; + args->ret_node->octets[3] = (addr.in.sin_addr.s_addr >> 24) & 0xFF; + args->ret_node->octets[2] = (addr.in.sin_addr.s_addr >> 16) & 0xFF; + args->ret_node->octets[1] = (addr.in.sin_addr.s_addr >> 8) & 0xFF; + args->ret_node->octets[0] = (addr.in.sin_addr.s_addr >> 0) & 0xFF; } if (args->ret_port) { (*args->ret_port) = ntohs(addr.in.sin_port); |