X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fstream.c;h=55632fe3a76b95f3b6b341cae7e63001a97eda51;hb=HEAD;hp=2c7bfc3a52ba4303ff0ca83379c50492f44b67d0;hpb=8706009e555bb9fa04a5679e4be2c7c67506802b;p=sliver-openvswitch.git diff --git a/lib/stream.c b/lib/stream.c index 2c7bfc3a5..55632fe3a 100644 --- a/lib/stream.c +++ b/lib/stream.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc. + * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -16,7 +16,6 @@ #include #include "stream-provider.h" -#include #include #include #include @@ -27,13 +26,16 @@ #include "dynamic-string.h" #include "fatal-signal.h" #include "flow.h" +#include "jsonrpc.h" #include "ofp-print.h" #include "ofpbuf.h" #include "openflow/nicira-ext.h" #include "openflow/openflow.h" +#include "ovs-thread.h" #include "packets.h" #include "poll-loop.h" #include "random.h" +#include "socket-util.h" #include "util.h" #include "vlog.h" @@ -51,7 +53,11 @@ enum stream_state { static const struct stream_class *stream_classes[] = { &tcp_stream_class, +#ifndef _WIN32 &unix_stream_class, +#else + &windows_stream_class, +#endif #ifdef HAVE_OPENSSL &ssl_stream_class, #endif @@ -59,12 +65,37 @@ static const struct stream_class *stream_classes[] = { static const struct pstream_class *pstream_classes[] = { &ptcp_pstream_class, +#ifndef _WIN32 &punix_pstream_class, +#else + &pwindows_pstream_class, +#endif #ifdef HAVE_OPENSSL &pssl_pstream_class, #endif }; +#ifdef _WIN32 +static void +do_winsock_start(void) +{ + WSADATA wsaData; + int error; + + error = WSAStartup(MAKEWORD(2, 2), &wsaData); + if (error != 0) { + VLOG_FATAL("WSAStartup failed: %s", sock_strerror(sock_errno())); + } +} + +static void +winsock_start(void) +{ + static pthread_once_t once = PTHREAD_ONCE_INIT; + pthread_once(&once, do_winsock_start); +} +#endif + /* Check the validity of the stream class structures. */ static void check_stream_classes(void) @@ -74,14 +105,14 @@ check_stream_classes(void) for (i = 0; i < ARRAY_SIZE(stream_classes); i++) { const struct stream_class *class = stream_classes[i]; - assert(class->name != NULL); - assert(class->open != NULL); + ovs_assert(class->name != NULL); + ovs_assert(class->open != NULL); if (class->close || class->recv || class->send || class->run || class->run_wait || class->wait) { - assert(class->close != NULL); - assert(class->recv != NULL); - assert(class->send != NULL); - assert(class->wait != NULL); + ovs_assert(class->close != NULL); + ovs_assert(class->recv != NULL); + ovs_assert(class->send != NULL); + ovs_assert(class->wait != NULL); } else { /* This class delegates to another one. */ } @@ -89,12 +120,12 @@ check_stream_classes(void) for (i = 0; i < ARRAY_SIZE(pstream_classes); i++) { const struct pstream_class *class = pstream_classes[i]; - assert(class->name != NULL); - assert(class->listen != NULL); + ovs_assert(class->name != NULL); + ovs_assert(class->listen != NULL); if (class->close || class->accept || class->wait) { - assert(class->close != NULL); - assert(class->accept != NULL); - assert(class->wait != NULL); + ovs_assert(class->close != NULL); + ovs_assert(class->accept != NULL); + ovs_assert(class->wait != NULL); } else { /* This class delegates to another one. */ } @@ -203,6 +234,10 @@ stream_open(const char *name, struct stream **streamp, uint8_t dscp) COVERAGE_INC(stream_open); +#ifdef _WIN32 + winsock_start(); +#endif + /* Look up the class. */ error = stream_lookup_class(name, &class); if (!class) { @@ -250,7 +285,7 @@ stream_open_block(int error, struct stream **streamp) stream_connect_wait(stream); poll_block(); } - assert(error != EINPROGRESS); + ovs_assert(error != EINPROGRESS); } if (error) { @@ -281,43 +316,11 @@ stream_get_name(const struct stream *stream) return stream ? stream->name : "(null)"; } -/* Returns the IP address of the peer, or 0 if the peer is not connected over - * an IP-based protocol or if its IP address is not yet known. */ -ovs_be32 -stream_get_remote_ip(const struct stream *stream) -{ - return stream->remote_ip; -} - -/* Returns the transport port of the peer, or 0 if the connection does not - * contain a port or if the port is not yet known. */ -ovs_be16 -stream_get_remote_port(const struct stream *stream) -{ - return stream->remote_port; -} - -/* Returns the IP address used to connect to the peer, or 0 if the connection - * is not an IP-based protocol or if its IP address is not yet known. */ -ovs_be32 -stream_get_local_ip(const struct stream *stream) -{ - return stream->local_ip; -} - -/* Returns the transport port used to connect to the peer, or 0 if the - * connection does not contain a port or if the port is not yet known. */ -ovs_be16 -stream_get_local_port(const struct stream *stream) -{ - return stream->local_port; -} - static void scs_connecting(struct stream *stream) { int retval = (stream->class->connect)(stream); - assert(retval != EINPROGRESS); + ovs_assert(retval != EINPROGRESS); if (!retval) { stream->state = SCS_CONNECTED; } else if (retval != EAGAIN) { @@ -349,7 +352,7 @@ stream_connect(struct stream *stream) return stream->error; default: - NOT_REACHED(); + OVS_NOT_REACHED(); } } while (stream->state != last_state); @@ -419,8 +422,8 @@ stream_run_wait(struct stream *stream) void stream_wait(struct stream *stream, enum stream_wait_type wait) { - assert(wait == STREAM_CONNECT || wait == STREAM_RECV - || wait == STREAM_SEND); + ovs_assert(wait == STREAM_CONNECT || wait == STREAM_RECV + || wait == STREAM_SEND); switch (stream->state) { case SCS_CONNECTING: @@ -525,6 +528,10 @@ pstream_open(const char *name, struct pstream **pstreamp, uint8_t dscp) COVERAGE_INC(pstream_open); +#ifdef _WIN32 + winsock_start(); +#endif + /* Look up the class. */ error = pstream_lookup_class(name, &class); if (!class) { @@ -580,8 +587,8 @@ pstream_accept(struct pstream *pstream, struct stream **new_stream) if (retval) { *new_stream = NULL; } else { - assert((*new_stream)->state != SCS_CONNECTING - || (*new_stream)->class->connect); + ovs_assert((*new_stream)->state != SCS_CONNECTING + || (*new_stream)->class->connect); } return retval; } @@ -613,6 +620,23 @@ pstream_wait(struct pstream *pstream) { (pstream->class->wait)(pstream); } + +int +pstream_set_dscp(struct pstream *pstream, uint8_t dscp) +{ + if (pstream->class->set_dscp) { + return pstream->class->set_dscp(pstream, dscp); + } + return 0; +} + +/* Returns the transport port on which 'pstream' is listening, or 0 if the + * concept doesn't apply. */ +ovs_be16 +pstream_get_bound_port(const struct pstream *pstream) +{ + return pstream->bound_port; +} /* Initializes 'stream' as a new stream named 'name', implemented via 'class'. * The initial connection status, supplied as 'connect_status', is interpreted @@ -642,40 +666,23 @@ stream_init(struct stream *stream, const struct stream_class *class, : SCS_DISCONNECTED); stream->error = connect_status; stream->name = xstrdup(name); - assert(stream->state != SCS_CONNECTING || class->connect); -} - -void -stream_set_remote_ip(struct stream *stream, ovs_be32 ip) -{ - stream->remote_ip = ip; -} - -void -stream_set_remote_port(struct stream *stream, ovs_be16 port) -{ - stream->remote_port = port; -} - -void -stream_set_local_ip(struct stream *stream, ovs_be32 ip) -{ - stream->local_ip = ip; -} - -void -stream_set_local_port(struct stream *stream, ovs_be16 port) -{ - stream->local_port = port; + ovs_assert(stream->state != SCS_CONNECTING || class->connect); } void pstream_init(struct pstream *pstream, const struct pstream_class *class, const char *name) { + memset(pstream, 0, sizeof *pstream); pstream->class = class; pstream->name = xstrdup(name); } + +void +pstream_set_bound_port(struct pstream *pstream, ovs_be16 port) +{ + pstream->bound_port = port; +} static int count_fields(const char *s_) @@ -694,23 +701,29 @@ count_fields(const char *s_) return n; } -/* Like stream_open(), but for tcp streams the port defaults to - * 'default_tcp_port' if no port number is given and for SSL streams the port - * defaults to 'default_ssl_port' if no port number is given. */ +/* Like stream_open(), but the port defaults to 'default_port' if no port + * number is given. */ int -stream_open_with_default_ports(const char *name_, - uint16_t default_tcp_port, - uint16_t default_ssl_port, - struct stream **streamp, - uint8_t dscp) +stream_open_with_default_port(const char *name_, + uint16_t default_port, + struct stream **streamp, + uint8_t dscp) { char *name; int error; - if (!strncmp(name_, "tcp:", 4) && count_fields(name_) < 3) { - name = xasprintf("%s:%d", name_, default_tcp_port); - } else if (!strncmp(name_, "ssl:", 4) && count_fields(name_) < 3) { - name = xasprintf("%s:%d", name_, default_ssl_port); + if ((!strncmp(name_, "tcp:", 4) || !strncmp(name_, "ssl:", 4)) + && count_fields(name_) < 3) { + if (default_port == OFP_OLD_PORT) { + VLOG_WARN_ONCE("The default OpenFlow port number will change " + "from %d to %d in a future release", + OFP_OLD_PORT, OFP_PORT); + } else if (default_port == OVSDB_OLD_PORT) { + VLOG_WARN_ONCE("The default OVSDB port number will change " + "from %d to %d in a future release", + OVSDB_OLD_PORT, OVSDB_PORT); + } + name = xasprintf("%s:%d", name_, default_port); } else { name = xstrdup(name_); } @@ -720,23 +733,20 @@ stream_open_with_default_ports(const char *name_, return error; } -/* Like pstream_open(), but for ptcp streams the port defaults to - * 'default_ptcp_port' if no port number is given and for passive SSL streams - * the port defaults to 'default_pssl_port' if no port number is given. */ +/* Like pstream_open(), but port defaults to 'default_port' if no port + * number is given. */ int -pstream_open_with_default_ports(const char *name_, - uint16_t default_ptcp_port, - uint16_t default_pssl_port, - struct pstream **pstreamp, - uint8_t dscp) +pstream_open_with_default_port(const char *name_, + uint16_t default_port, + struct pstream **pstreamp, + uint8_t dscp) { char *name; int error; - if (!strncmp(name_, "ptcp:", 5) && count_fields(name_) < 2) { - name = xasprintf("%s%d", name_, default_ptcp_port); - } else if (!strncmp(name_, "pssl:", 5) && count_fields(name_) < 2) { - name = xasprintf("%s%d", name_, default_pssl_port); + if ((!strncmp(name_, "ptcp:", 5) || !strncmp(name_, "pssl:", 5)) + && count_fields(name_) < 2) { + name = xasprintf("%s%d", name_, default_port); } else { name = xstrdup(name_); } @@ -749,21 +759,18 @@ pstream_open_with_default_ports(const char *name_, /* * This function extracts IP address and port from the target string. * - * - On success, function returns true and fills *sin structure with port + * - On success, function returns true and fills *ss structure with port * and IP address. If port was absent in target string then it will use * corresponding default port value. - * - On error, function returns false and *sin contains garbage. + * - On error, function returns false and *ss contains garbage. */ bool -stream_parse_target_with_default_ports(const char *target, - uint16_t default_tcp_port, - uint16_t default_ssl_port, - struct sockaddr_in *sin) -{ - return (!strncmp(target, "tcp:", 4) - && inet_parse_active(target + 4, default_tcp_port, sin)) || - (!strncmp(target, "ssl:", 4) - && inet_parse_active(target + 4, default_ssl_port, sin)); +stream_parse_target_with_default_port(const char *target, + uint16_t default_port, + struct sockaddr_storage *ss) +{ + return ((!strncmp(target, "tcp:", 4) || !strncmp(target, "ssl:", 4)) + && inet_parse_active(target + 4, default_port, ss)); } /* Attempts to guess the content type of a stream whose first few bytes were