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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1767962489; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iX8khRyd67IY+/lzUJlDAoAUTCKpl9uRkYwJv3FEI9k=; b=AH1EDxoYcVx5Ef1KmhIElxrpPmgigWS83VI1jTfrhEltzl7+r53tHRAWcMkVmr7sebLlGk WAJOgzybbNLV3tDA== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: peterx@redhat.com, berrange@redhat.com Subject: [PATCH v3 21/25] migration: Move URI parsing to channel.c Date: Fri, 9 Jan 2026 09:40:37 -0300 Message-ID: <20260109124043.25019-22-farosas@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260109124043.25019-1-farosas@suse.de> References: <20260109124043.25019-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -3.01 X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; 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charset="utf-8" The migrate_uri_parse function is responsible for converting the URI string into a MigrationChannel for consumption by the rest of the code. Move it to channel.c and add a wrapper that calls both URI and channels parsing. Reviewed-by: Peter Xu Signed-off-by: Fabiano Rosas Reviewed-by: Prasad Pandit --- migration/channel.c | 82 +++++++++++++++++++++++++++++++++++-- migration/channel.h | 9 ++-- migration/migration.c | 95 ++----------------------------------------- 3 files changed, 86 insertions(+), 100 deletions(-) diff --git a/migration/channel.c b/migration/channel.c index 8b71b3f430..cee78532ea 100644 --- a/migration/channel.c +++ b/migration/channel.c @@ -284,10 +284,10 @@ int migration_channel_read_peek(QIOChannel *ioc, return 0; } =20 -bool migrate_channels_parse(MigrationChannelList *channels, - MigrationChannel **main_channelp, - MigrationChannel **cpr_channelp, - Error **errp) +static bool migrate_channels_parse(MigrationChannelList *channels, + MigrationChannel **main_channelp, + MigrationChannel **cpr_channelp, + Error **errp) { MigrationChannel *channelv[MIGRATION_CHANNEL_TYPE__MAX] =3D { NULL }; bool single_channel =3D cpr_channelp ? false : true; @@ -325,3 +325,77 @@ bool migrate_channels_parse(MigrationChannelList *chan= nels, =20 return true; } + +bool migrate_uri_parse(const char *uri, MigrationChannel **channel, + Error **errp) +{ + g_autoptr(MigrationChannel) val =3D g_new0(MigrationChannel, 1); + g_autoptr(MigrationAddress) addr =3D g_new0(MigrationAddress, 1); + InetSocketAddress *isock =3D &addr->u.rdma; + strList **tail =3D &addr->u.exec.args; + + if (strstart(uri, "exec:", NULL)) { + addr->transport =3D MIGRATION_ADDRESS_TYPE_EXEC; +#ifdef WIN32 + QAPI_LIST_APPEND(tail, g_strdup(exec_get_cmd_path())); + QAPI_LIST_APPEND(tail, g_strdup("/c")); +#else + QAPI_LIST_APPEND(tail, g_strdup("/bin/sh")); + QAPI_LIST_APPEND(tail, g_strdup("-c")); +#endif + QAPI_LIST_APPEND(tail, g_strdup(uri + strlen("exec:"))); + } else if (strstart(uri, "rdma:", NULL)) { + if (inet_parse(isock, uri + strlen("rdma:"), errp)) { + qapi_free_InetSocketAddress(isock); + return false; + } + addr->transport =3D MIGRATION_ADDRESS_TYPE_RDMA; + } else if (strstart(uri, "tcp:", NULL) || + strstart(uri, "unix:", NULL) || + strstart(uri, "vsock:", NULL) || + strstart(uri, "fd:", NULL)) { + addr->transport =3D MIGRATION_ADDRESS_TYPE_SOCKET; + SocketAddress *saddr =3D socket_parse(uri, errp); + if (!saddr) { + return false; + } + addr->u.socket.type =3D saddr->type; + addr->u.socket.u =3D saddr->u; + /* Don't free the objects inside; their ownership moved to "addr" = */ + g_free(saddr); + } else if (strstart(uri, "file:", NULL)) { + addr->transport =3D MIGRATION_ADDRESS_TYPE_FILE; + addr->u.file.filename =3D g_strdup(uri + strlen("file:")); + if (file_parse_offset(addr->u.file.filename, &addr->u.file.offset, + errp)) { + return false; + } + } else { + error_setg(errp, "unknown migration protocol: %s", uri); + return false; + } + + val->channel_type =3D MIGRATION_CHANNEL_TYPE_MAIN; + val->addr =3D g_steal_pointer(&addr); + *channel =3D g_steal_pointer(&val); + return true; +} + +bool migration_channel_parse_input(const char *uri, + MigrationChannelList *channels, + MigrationChannel **main_channelp, + MigrationChannel **cpr_channelp, + Error **errp) +{ + if (!uri =3D=3D !channels) { + error_setg(errp, "need either 'uri' or 'channels' argument"); + return false; + } + + if (channels) { + return migrate_channels_parse(channels, main_channelp, cpr_channel= p, + errp); + } else { + return migrate_uri_parse(uri, main_channelp, errp); + } +} diff --git a/migration/channel.h b/migration/channel.h index 5110fb45a4..a7d0d29058 100644 --- a/migration/channel.h +++ b/migration/channel.h @@ -43,8 +43,9 @@ void migration_connect_outgoing(MigrationState *s, Migrat= ionAddress *addr, Error **errp); void migration_connect_incoming(MigrationAddress *addr, Error **errp); =20 -bool migrate_channels_parse(MigrationChannelList *channels, - MigrationChannel **main_channelp, - MigrationChannel **cpr_channelp, - Error **errp); +bool migration_channel_parse_input(const char *uri, + MigrationChannelList *channels, + MigrationChannel **main_channelp, + MigrationChannel **cpr_channelp, + Error **errp); #endif diff --git a/migration/migration.c b/migration/migration.c index 98c1f38e8e..52c1bb5da2 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -15,7 +15,6 @@ =20 #include "qemu/osdep.h" #include "qemu/ctype.h" -#include "qemu/cutils.h" #include "qemu/error-report.h" #include "qemu/main-loop.h" #include "migration/blocker.h" @@ -659,61 +658,6 @@ bool migrate_is_uri(const char *uri) return *uri =3D=3D ':'; } =20 -bool migrate_uri_parse(const char *uri, MigrationChannel **channel, - Error **errp) -{ - g_autoptr(MigrationChannel) val =3D g_new0(MigrationChannel, 1); - g_autoptr(MigrationAddress) addr =3D g_new0(MigrationAddress, 1); - InetSocketAddress *isock =3D &addr->u.rdma; - strList **tail =3D &addr->u.exec.args; - - if (strstart(uri, "exec:", NULL)) { - addr->transport =3D MIGRATION_ADDRESS_TYPE_EXEC; -#ifdef WIN32 - QAPI_LIST_APPEND(tail, g_strdup(exec_get_cmd_path())); - QAPI_LIST_APPEND(tail, g_strdup("/c")); -#else - QAPI_LIST_APPEND(tail, g_strdup("/bin/sh")); - QAPI_LIST_APPEND(tail, g_strdup("-c")); -#endif - QAPI_LIST_APPEND(tail, g_strdup(uri + strlen("exec:"))); - } else if (strstart(uri, "rdma:", NULL)) { - if (inet_parse(isock, uri + strlen("rdma:"), errp)) { - qapi_free_InetSocketAddress(isock); - return false; - } - addr->transport =3D MIGRATION_ADDRESS_TYPE_RDMA; - } else if (strstart(uri, "tcp:", NULL) || - strstart(uri, "unix:", NULL) || - strstart(uri, "vsock:", NULL) || - strstart(uri, "fd:", NULL)) { - addr->transport =3D MIGRATION_ADDRESS_TYPE_SOCKET; - SocketAddress *saddr =3D socket_parse(uri, errp); - if (!saddr) { - return false; - } - addr->u.socket.type =3D saddr->type; - addr->u.socket.u =3D saddr->u; - /* Don't free the objects inside; their ownership moved to "addr" = */ - g_free(saddr); - } else if (strstart(uri, "file:", NULL)) { - addr->transport =3D MIGRATION_ADDRESS_TYPE_FILE; - addr->u.file.filename =3D g_strdup(uri + strlen("file:")); - if (file_parse_offset(addr->u.file.filename, &addr->u.file.offset, - errp)) { - return false; - } - } else { - error_setg(errp, "unknown migration protocol: %s", uri); - return false; - } - - val->channel_type =3D MIGRATION_CHANNEL_TYPE_MAIN; - val->addr =3D g_steal_pointer(&addr); - *channel =3D g_steal_pointer(&val); - return true; -} - static bool migration_incoming_state_setup(MigrationIncomingState *mis, Error **errp) { @@ -744,27 +688,10 @@ static void qemu_setup_incoming_migration(const char = *uri, bool has_channels, g_autoptr(MigrationChannel) main_ch =3D NULL; MigrationIncomingState *mis =3D migration_incoming_get_current(); =20 - /* - * Having preliminary checks for uri and channel - */ - if (!uri =3D=3D !channels) { - error_setg(errp, "need either 'uri' or 'channels' argument"); + if (!migration_channel_parse_input(uri, channels, &main_ch, NULL, errp= )) { return; } =20 - if (channels) { - if (!migrate_channels_parse(channels, &main_ch, NULL, errp)) { - return; - } - } - - if (uri) { - /* caller uses the old URI syntax */ - if (!migrate_uri_parse(uri, &main_ch, errp)) { - return; - } - } - /* transport mechanism not suitable for migration? */ if (!migration_transport_compatible(main_ch->addr, errp)) { return; @@ -2113,27 +2040,11 @@ void qmp_migrate(const char *uri, bool has_channels, g_autoptr(MigrationChannel) main_ch =3D NULL; g_autoptr(MigrationChannel) cpr_ch =3D NULL; =20 - /* - * Having preliminary checks for uri and channel - */ - if (!uri =3D=3D !channels) { - error_setg(errp, "need either 'uri' or 'channels' argument"); + if (!migration_channel_parse_input(uri, channels, &main_ch, &cpr_ch, + errp)) { return; } =20 - if (channels) { - if (!migrate_channels_parse(channels, &main_ch, &cpr_ch, errp)) { - return; - } - } - - if (uri) { - /* caller uses the old URI syntax */ - if (!migrate_uri_parse(uri, &main_ch, errp)) { - return; - } - } - /* transport mechanism not suitable for migration? */ if (!migration_transport_compatible(main_ch->addr, errp)) { return; --=20 2.51.0