X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_send.c;h=c335e768a0b66182d171188e757d6475acb055cd;hp=cfff30933ca5a57fc7ecf6f3d5cb06a5a9481ef3;hb=9f487d2aaaa3462d9e4ecd76f22a75c9ae847e92;hpb=3f17a6b0fb4dc1687fb722d0e6033ed26c46c6fd;ds=sidebyside diff --git a/dccp_send.c b/dccp_send.c index cfff3093..c335e768 100644 --- a/dccp_send.c +++ b/dccp_send.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Andre Noll + * Copyright (C) 2006-2007 Andre Noll * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -26,7 +26,7 @@ #include "server.h" #include "net.h" #include "list.h" -#include "afs.h" +#include "vss.h" #include "send.h" #include "dccp.h" #include "error.h" @@ -34,7 +34,7 @@ #include "fd.h" #include "close_on_fork.h" #include "server.cmdline.h" -extern struct gengetopt_args_info conf; + /** the list of connected clients **/ static struct list_head clients; static int listen_fd = -1; @@ -76,7 +76,7 @@ static void dccp_post_select(fd_set *rfds, __a_unused fd_set *wfds) } PARA_NOTICE_LOG("connection from %s\n", inet_ntoa(dc->addr.sin_addr)); dc->fd = ret; - list_add(&dc->node, &clients); + para_list_add(&dc->node, &clients); add_close_on_fork_list(dc->fd); mark_fd_nonblock(dc->fd); } @@ -120,15 +120,23 @@ static void dccp_shutdown_client(struct dccp_client *dc) free(dc); } +/** give up if write would block that many times */ +#define DCCP_WRITE_RETRIES 100 + static int dccp_write(int fd, const char *buf, size_t len) { - size_t send, written = 0; - int ret; + size_t size, written = 0; + int ret, retries = 0; again: - send = PARA_MIN(1024, len - written); - ret = write(fd, buf + written, send); - if (ret < 0) - goto err_out; + size = PARA_MIN(1024, len - written); + ret = write(fd, buf + written, size); + if (ret < 0) { + if (errno != EAGAIN || !retries++ > DCCP_WRITE_RETRIES) + goto err_out; + PARA_DEBUG_LOG("EAGAIN #%d@%zd/%zd\n", retries, written, len); + goto again; + } + retries = 0; written += ret; if (written >= len) return written; @@ -158,7 +166,7 @@ static void dccp_send(long unsigned current_chunk, if (!ret) continue; if (!dc->header_sent && current_chunk) { - header_buf = afs_get_header(&header_len); + header_buf = vss_get_header(&header_len); if (header_buf && header_len > 0) { ret = dccp_write(dc->fd, header_buf, header_len); if (ret != header_len) {