X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fvconn-stream.c;h=39f1c94df3169a601d1f5eeacbe5ed12993d209e;hb=46aef12ee5fcb028d20bac654c8a08cf993cfac8;hp=0a721d97a1aa3de9ceac388fb98eefd3da208862;hpb=c088c3be069e991e2d8a3acfdcbb9af278c6d5e5;p=openvswitch diff --git a/lib/vconn-stream.c b/lib/vconn-stream.c index 0a721d97..39f1c94d 100644 --- a/lib/vconn-stream.c +++ b/lib/vconn-stream.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -32,9 +32,9 @@ #include "util.h" #include "vconn-provider.h" #include "vconn.h" - #include "vlog.h" -#define THIS_MODULE VLM_vconn_stream + +VLOG_DEFINE_THIS_MODULE(vconn_stream); /* Active stream socket vconn. */ @@ -44,6 +44,7 @@ struct vconn_stream struct stream *stream; struct ofpbuf *rxbuf; struct ofpbuf *txbuf; + int n_packets; }; static struct vconn_class stream_vconn_class; @@ -63,6 +64,7 @@ vconn_stream_new(struct stream *stream, int connect_status) s->stream = stream; s->txbuf = NULL; s->rxbuf = NULL; + s->n_packets = 0; s->vconn.remote_ip = stream_get_remote_ip(stream); s->vconn.remote_port = stream_get_remote_port(stream); s->vconn.local_ip = stream_get_local_ip(stream); @@ -83,13 +85,16 @@ vconn_stream_open(const char *name, char *suffix OVS_UNUSED, error = stream_open_with_default_ports(name, OFP_TCP_PORT, OFP_SSL_PORT, &stream); - - if (error && error != EAGAIN) { - return error; + if (!error) { + error = stream_connect(stream); + if (!error || error == EAGAIN) { + *vconnp = vconn_stream_new(stream, error); + return 0; + } } - *vconnp = vconn_stream_new(stream, error); - return 0; + stream_close(stream); + return error; } static struct vconn_stream * @@ -102,6 +107,12 @@ static void vconn_stream_close(struct vconn *vconn) { struct vconn_stream *s = vconn_stream_cast(vconn); + + if ((vconn->error == EPROTO || s->n_packets < 1) && s->rxbuf) { + stream_report_content(s->rxbuf->data, s->rxbuf->size, STREAM_OPENFLOW, + THIS_MODULE, vconn_get_name(vconn)); + } + stream_close(s->stream); vconn_stream_clear_txbuf(s); ofpbuf_delete(s->rxbuf); @@ -162,8 +173,7 @@ vconn_stream_recv(struct vconn *vconn, struct ofpbuf **bufferp) oh = s->rxbuf->data; rx_len = ntohs(oh->length); if (rx_len < sizeof(struct ofp_header)) { - VLOG_ERR_RL(&rl, "received too-short ofp_header (%zu bytes)", - rx_len); + VLOG_ERR_RL(&rl, "received too-short ofp_header (%d bytes)", rx_len); return EPROTO; } else if (s->rxbuf->size < rx_len) { int retval = vconn_stream_recv__(s, rx_len); @@ -172,6 +182,7 @@ vconn_stream_recv(struct vconn *vconn, struct ofpbuf **bufferp) } } + s->n_packets++; *bufferp = s->rxbuf; s->rxbuf = NULL; return 0; @@ -354,9 +365,9 @@ pvconn_pstream_wait(struct pvconn *pvconn) /* Stream-based vconns and pvconns. */ -#define DEFINE_VCONN_STREAM_CLASS(NAME) \ - struct vconn_class NAME##_vconn_class = { \ - #NAME, \ +#define STREAM_INIT(NAME) \ + { \ + NAME, \ vconn_stream_open, \ vconn_stream_close, \ vconn_stream_connect, \ @@ -365,27 +376,27 @@ pvconn_pstream_wait(struct pvconn *pvconn) vconn_stream_run, \ vconn_stream_run_wait, \ vconn_stream_wait, \ - }; + } -#define DEFINE_PVCONN_STREAM_CLASS(NAME) \ - struct pvconn_class NAME##_pvconn_class = { \ - #NAME, \ +#define PSTREAM_INIT(NAME) \ + { \ + NAME, \ pvconn_pstream_listen, \ pvconn_pstream_close, \ pvconn_pstream_accept, \ pvconn_pstream_wait \ - }; + } -static DEFINE_VCONN_STREAM_CLASS(stream); -static DEFINE_PVCONN_STREAM_CLASS(pstream); +static struct vconn_class stream_vconn_class = STREAM_INIT("stream"); +static struct pvconn_class pstream_pvconn_class = PSTREAM_INIT("pstream"); -DEFINE_VCONN_STREAM_CLASS(tcp); -DEFINE_PVCONN_STREAM_CLASS(ptcp); +struct vconn_class tcp_vconn_class = STREAM_INIT("tcp"); +struct pvconn_class ptcp_pvconn_class = PSTREAM_INIT("ptcp"); -DEFINE_VCONN_STREAM_CLASS(unix); -DEFINE_PVCONN_STREAM_CLASS(punix); +struct vconn_class unix_vconn_class = STREAM_INIT("unix"); +struct pvconn_class punix_pvconn_class = PSTREAM_INIT("punix"); #ifdef HAVE_OPENSSL -DEFINE_VCONN_STREAM_CLASS(ssl); -DEFINE_PVCONN_STREAM_CLASS(pssl); +struct vconn_class ssl_vconn_class = STREAM_INIT("ssl"); +struct pvconn_class pssl_pvconn_class = PSTREAM_INIT("pssl"); #endif