X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_recv.c;h=af8e6b1657e86777af5f6360c573c60bcc46e93c;hp=a0f8371efae6b0974a4f9c88ef1365b208a48eda;hb=e9ac00becb2aba5bbbf51b4803b81b10ed4d6788;hpb=eecc102ad0abeb0335fe994bb72031a15b9090d7 diff --git a/dccp_recv.c b/dccp_recv.c index a0f8371e..af8e6b16 100644 --- a/dccp_recv.c +++ b/dccp_recv.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2009 Andre Noll + * Copyright (C) 2006-2011 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -13,7 +13,6 @@ #include #include -#include #include "para.h" #include "error.h" @@ -39,7 +38,6 @@ struct private_dccp_recv_data { struct btr_pool *btrp; }; - static void dccp_recv_close(struct receiver_node *rn) { @@ -52,7 +50,6 @@ static void dccp_recv_close(struct receiver_node *rn) rn->private_data = NULL; } - static int dccp_recv_open(struct receiver_node *rn) { struct private_dccp_recv_data *pdd; @@ -105,10 +102,11 @@ err: */ static bool dccp_recv_ccid_support_check(struct dccp_recv_args_info *conf) { - uint8_t ccids[DCCP_MAX_HOST_CCIDS]; - uint8_t nccids = sizeof(ccids), i, j; + uint8_t *ccids; + int i, j, nccids; - if (dccp_available_ccids(ccids, &nccids) == NULL) + nccids = dccp_available_ccids(&ccids); + if (nccids <= 0) return false; for (i = 0; i < conf->ccid_given; i++) { @@ -152,31 +150,27 @@ static void dccp_recv_post_select(struct sched *s, struct task *t) struct btr_node *btrn = rn->btrn; struct iovec iov[2]; int ret, iovcnt; + size_t num_bytes; ret = btr_node_status(btrn, 0, BTR_NT_ROOT); - if (ret < 0) - goto err; - if (ret == 0) - return; - if (!FD_ISSET(pdd->fd, &s->rfds)) - return; /* nothing to do */ + if (ret <= 0) + goto out; iovcnt = btr_pool_get_buffers(pdd->btrp, iov); ret = -E_DCCP_OVERRUN; if (iovcnt == 0) - goto err; - ret = para_readv(pdd->fd, iov, iovcnt); - if (ret == 0) - ret = -E_RECV_EOF; - if (ret < 0) - goto err; - if (ret <= iov[0].iov_len) /* only the first buffer was filled */ - btr_add_output_pool(pdd->btrp, ret, btrn); + goto out; + ret = readv_nonblock(pdd->fd, iov, iovcnt, &s->rfds, &num_bytes); + if (num_bytes == 0) + goto out; + if (num_bytes <= iov[0].iov_len) /* only the first buffer was filled */ + btr_add_output_pool(pdd->btrp, num_bytes, btrn); else { /* both buffers contain data */ btr_add_output_pool(pdd->btrp, iov[0].iov_len, btrn); - btr_add_output_pool(pdd->btrp, ret - iov[0].iov_len, btrn); + btr_add_output_pool(pdd->btrp, num_bytes - iov[0].iov_len, btrn); } - return; -err: +out: + if (ret >= 0) + return; btr_remove_node(rn->btrn); t->error = ret; }