X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_recv.c;h=d0bc53542137ac06cce22b75fcbe17d649041b9b;hp=64506737195de991134df0e692e897375c832e85;hb=06372eab260c4d2cba43bfef0d668744aa6c1216;hpb=f03f1a8115c0b4dcb0a705d8a686ccf511648f60 diff --git a/dccp_recv.c b/dccp_recv.c index 64506737..d0bc5354 100644 --- a/dccp_recv.c +++ b/dccp_recv.c @@ -73,12 +73,12 @@ static int dccp_recv_open(struct receiver_node *rn) ret = -ERRNO_TO_PARA_ERROR(errno); goto err; } - + ret = mark_fd_nonblocking(fd); + if (ret < 0) + goto err; rn->buf = para_calloc(DCCP_BUFSIZE); rn->private_data = pdd = para_calloc(sizeof(struct private_dccp_recv_data)); - - pdd->fd = ret; - mark_fd_nonblocking(pdd->fd); + pdd->fd = fd; return 1; err: close(fd); @@ -102,48 +102,44 @@ static void *dccp_recv_parse_config(int argc, char **argv) static void dccp_recv_pre_select(struct sched *s, struct task *t) { - struct receiver_node *rn = t->private_data; + struct receiver_node *rn = container_of(t, struct receiver_node, task); struct private_dccp_recv_data *pdd = rn->private_data; - t->ret = 1; + t->error = 0; para_fd_set(pdd->fd, &s->rfds, &s->max_fileno); } static void dccp_recv_post_select(struct sched *s, struct task *t) { - struct receiver_node *rn = t->private_data; + struct receiver_node *rn = container_of(t, struct receiver_node, task); struct private_dccp_recv_data *pdd = rn->private_data; - if (rn->output_error && *rn->output_error) { - t->ret = *rn->output_error; - goto out; + if (rn->output_error && *rn->output_error < 0) { + t->error = *rn->output_error; + return; + } + if (!FD_ISSET(pdd->fd, &s->rfds)) + return; /* nothing to do */ + if (rn->loaded >= DCCP_BUFSIZE) { + t->error = -E_DCCP_OVERRUN; + return; } - t->ret = 1; - if (!s->select_ret || !FD_ISSET(pdd->fd, &s->rfds)) - goto out; /* nothing to do */ - t->ret = -E_DCCP_OVERRUN; - if (rn->loaded >= DCCP_BUFSIZE) - goto out; - t->ret = recv_bin_buffer(pdd->fd, rn->buf + rn->loaded, + t->error = recv_bin_buffer(pdd->fd, rn->buf + rn->loaded, DCCP_BUFSIZE - rn->loaded); - if (t->ret <= 0) { - if (!t->ret) - t->ret = -E_RECV_EOF; - goto out; + if (t->error > 0) { + rn->loaded += t->error; + return; } - rn->loaded += t->ret; - return; -out: - if (t->ret < 0) - rn->error = t->ret; + if (!t->error) + t->error = -E_RECV_EOF; } /** - * the init function of the dccp receiver + * The init function of the dccp receiver. * - * \param r pointer to the receiver struct to initialize + * \param r Pointer to the receiver struct to initialize. * - * Initialize all function pointers of \a r + * Initialize all function pointers of \a r. */ void dccp_recv_init(struct receiver *r) {