X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_send.c;h=aba21a6db1d2e92aa997a964a053d8000df9b2f1;hp=55548620c7a67996b74aac62f2c3cb862ee575b4;hb=8a8cd0f5bb40dcfad68608193e8c57decd90b25e;hpb=e0e5a7c1a04c6a2ee4a475e823657e06e6df2f99 diff --git a/dccp_send.c b/dccp_send.c index 55548620..aba21a6d 100644 --- a/dccp_send.c +++ b/dccp_send.c @@ -31,8 +31,10 @@ #include "dccp.h" #include "error.h" #include "string.h" +#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; @@ -50,17 +52,16 @@ struct dccp_client { int header_sent; }; -static void dccp_pre_select(__a_unused struct audio_format *af, int *max_fileno, fd_set *rfds, +static void dccp_pre_select( int *max_fileno, fd_set *rfds, __a_unused fd_set *wfds) { if (listen_fd < 0) return; FD_SET(listen_fd, rfds); - *max_fileno = MAX(*max_fileno, listen_fd); + *max_fileno = PARA_MAX(*max_fileno, listen_fd); } -static void dccp_post_select(__a_unused struct audio_format *af, fd_set *rfds, - __a_unused fd_set *wfds) +static void dccp_post_select(fd_set *rfds, __a_unused fd_set *wfds) { struct dccp_client *dc; int ret; @@ -76,6 +77,8 @@ static void dccp_post_select(__a_unused struct audio_format *af, fd_set *rfds, PARA_NOTICE_LOG("connection from %s\n", inet_ntoa(dc->addr.sin_addr)); dc->fd = ret; list_add(&dc->node, &clients); + add_close_on_fork_list(dc->fd); + mark_fd_nonblock(dc->fd); } static int dccp_open(void) @@ -102,6 +105,8 @@ static int dccp_open(void) if (ret < 0) return -E_DCCP_LISTEN; PARA_DEBUG_LOG("listening on fd %d\n", listen_fd); + add_close_on_fork_list(listen_fd); + mark_fd_nonblock(listen_fd); return 1; } @@ -110,17 +115,18 @@ static void dccp_shutdown_client(struct dccp_client *dc) PARA_DEBUG_LOG("shutting down %s (fd %d)\n", inet_ntoa(dc->addr.sin_addr), dc->fd); close(dc->fd); + del_close_on_fork_list(dc->fd); list_del(&dc->node); free(dc); } static int dccp_write(int fd, const char *buf, size_t len) { - size_t send, written = 0; + size_t size, written = 0; int ret; again: - send = MIN(1024, len - written); - ret = write(fd, buf + written, send); + size = PARA_MIN(1024, len - written); + ret = write(fd, buf + written, size); if (ret < 0) goto err_out; written += ret; @@ -133,8 +139,7 @@ err_out: return -E_DCCP_WRITE; } -static void dccp_send(__a_unused struct audio_format *af, - long unsigned current_chunk, +static void dccp_send(long unsigned current_chunk, __a_unused long unsigned chunks_sent, const char *buf, size_t len) { struct dccp_client *dc, *tmp; @@ -152,27 +157,27 @@ static void dccp_send(__a_unused struct audio_format *af, } if (!ret) continue; - if (!dc->header_sent && af->get_header_info && current_chunk) { - header_buf = af->get_header_info(&header_len); - if (!header_buf || header_len <= 0) - continue; /* header not yet available */ - ret = dccp_write(dc->fd, header_buf, header_len); - if (ret != header_len) { - int err = errno; - PARA_ERROR_LOG("header write: %d/%d (%s)\n", - ret, header_len, ret < 0? - strerror(err) : ""); - dccp_shutdown_client(dc); - continue; - } - dc->header_sent = 1; - ret = write_ok(dc->fd); - if (ret < 0) { - dccp_shutdown_client(dc); - continue; + if (!dc->header_sent && current_chunk) { + header_buf = afs_get_header(&header_len); + if (header_buf && header_len > 0) { + ret = dccp_write(dc->fd, header_buf, header_len); + if (ret != header_len) { + int err = errno; + PARA_ERROR_LOG("header write: %d/%d (%s)\n", + ret, header_len, ret < 0? + strerror(err) : ""); + dccp_shutdown_client(dc); + continue; + } + dc->header_sent = 1; + ret = write_ok(dc->fd); + if (ret < 0) { + dccp_shutdown_client(dc); + continue; + } + if (!ret) + continue; } - if (!ret) - continue; } // PARA_DEBUG_LOG("writing %d bytes to fd %d\n", len, dc->fd); ret = dccp_write(dc->fd, buf, len); @@ -234,8 +239,9 @@ void dccp_send_init(struct sender *s) s->client_cmds[SENDER_DELETE] = NULL; self = s; ret = dccp_open(); - if (ret < 0) + if (ret < 0) { PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret)); - else + s->status = SENDER_OFF; + } else s->status = SENDER_ON; }