| Message ID | 20240412132415.282354-10-thuth@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Drop old distros, bump glib and switch to glib URI parsing code | expand |
On Fri, Apr 12, 2024 at 03:24:11PM +0200, Thomas Huth wrote: > Since version 2.66, glib has useful URI parsing functions, too. > Use those instead of the QEMU-internal ones to be finally able > to get rid of the latter. > > Signed-off-by: Thomas Huth <thuth@redhat.com> > --- > block/gluster.c | 71 ++++++++++++++++++++++++------------------------- > 1 file changed, 35 insertions(+), 36 deletions(-) > > diff --git a/block/gluster.c b/block/gluster.c > index cc74af06dc..1c9505f8bb 100644 > --- a/block/gluster.c > +++ b/block/gluster.c > @@ -17,7 +17,6 @@ > #include "qapi/error.h" > #include "qapi/qmp/qdict.h" > #include "qapi/qmp/qerror.h" > -#include "qemu/uri.h" > #include "qemu/error-report.h" > #include "qemu/module.h" > #include "qemu/option.h" > @@ -289,9 +288,9 @@ static void glfs_clear_preopened(glfs_t *fs) > } > } > > -static int parse_volume_options(BlockdevOptionsGluster *gconf, char *path) > +static int parse_volume_options(BlockdevOptionsGluster *gconf, const char *path) Is it worth mentioning in the commit message that this includes a const-correctness tweak? > @@ -364,57 +363,57 @@ static int qemu_gluster_parse_uri(BlockdevOptionsGluster *gconf, > QAPI_LIST_PREPEND(gconf->server, gsconf); > > /* transport */ > - if (!uri->scheme || !strcmp(uri->scheme, "gluster")) { > + uri_scheme = g_uri_get_scheme(uri); > + if (!uri_scheme || !strcmp(uri_scheme, "gluster")) { Pre-existing, but per RFC 3986, we should probably be using strcasecmp for scheme comparisons (I'm not sure if g_uri_parse guarantees a lower-case return, even when the user passed in upper case). That can be a separate patch. Reviewed-by: Eric Blake <eblake@redhat.com>
On Fri, Apr 12, 2024 at 09:40:18AM -0500, Eric Blake wrote: > > @@ -364,57 +363,57 @@ static int qemu_gluster_parse_uri(BlockdevOptionsGluster *gconf, > > QAPI_LIST_PREPEND(gconf->server, gsconf); > > > > /* transport */ > > - if (!uri->scheme || !strcmp(uri->scheme, "gluster")) { > > + uri_scheme = g_uri_get_scheme(uri); > > + if (!uri_scheme || !strcmp(uri_scheme, "gluster")) { > > Pre-existing, but per RFC 3986, we should probably be using strcasecmp > for scheme comparisons (I'm not sure if g_uri_parse guarantees a > lower-case return, even when the user passed in upper case). That can > be a separate patch. Even beter, g_ascii_strcasecmp() (since strcasecmp can be locale-specific which is generally not what we need here)
On Fri, Apr 12, 2024 at 03:24:11PM +0200, Thomas Huth wrote: > Since version 2.66, glib has useful URI parsing functions, too. > Use those instead of the QEMU-internal ones to be finally able > to get rid of the latter. > > Signed-off-by: Thomas Huth <thuth@redhat.com> > --- > block/gluster.c | 71 ++++++++++++++++++++++++------------------------- > 1 file changed, 35 insertions(+), 36 deletions(-) Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> With regards, Daniel
On Fri, Apr 12, 2024 at 09:40:11AM -0500, Eric Blake wrote: > On Fri, Apr 12, 2024 at 03:24:11PM +0200, Thomas Huth wrote: > > Since version 2.66, glib has useful URI parsing functions, too. > > Use those instead of the QEMU-internal ones to be finally able > > to get rid of the latter. > > > > Signed-off-by: Thomas Huth <thuth@redhat.com> > > --- > > block/gluster.c | 71 ++++++++++++++++++++++++------------------------- > > 1 file changed, 35 insertions(+), 36 deletions(-) > > > > diff --git a/block/gluster.c b/block/gluster.c > > index cc74af06dc..1c9505f8bb 100644 > > --- a/block/gluster.c > > +++ b/block/gluster.c > > @@ -17,7 +17,6 @@ > > #include "qapi/error.h" > > #include "qapi/qmp/qdict.h" > > #include "qapi/qmp/qerror.h" > > -#include "qemu/uri.h" > > #include "qemu/error-report.h" > > #include "qemu/module.h" > > #include "qemu/option.h" > > @@ -289,9 +288,9 @@ static void glfs_clear_preopened(glfs_t *fs) > > } > > } > > > > -static int parse_volume_options(BlockdevOptionsGluster *gconf, char *path) > > +static int parse_volume_options(BlockdevOptionsGluster *gconf, const char *path) > > Is it worth mentioning in the commit message that this includes a > const-correctness tweak? > > > @@ -364,57 +363,57 @@ static int qemu_gluster_parse_uri(BlockdevOptionsGluster *gconf, > > QAPI_LIST_PREPEND(gconf->server, gsconf); > > > > /* transport */ > > - if (!uri->scheme || !strcmp(uri->scheme, "gluster")) { > > + uri_scheme = g_uri_get_scheme(uri); > > + if (!uri_scheme || !strcmp(uri_scheme, "gluster")) { > > Pre-existing, but per RFC 3986, we should probably be using strcasecmp > for scheme comparisons (I'm not sure if g_uri_parse guarantees a > lower-case return, even when the user passed in upper case). That can > be a separate patch. Docs say it is lowercase: https://developer-old.gnome.org/glib/stable/glib-URI-Functions.html "on return, contains the scheme (converted to lowercase), or NULL." With regards, Daniel
On 12/04/2024 16.40, Eric Blake wrote: > On Fri, Apr 12, 2024 at 03:24:11PM +0200, Thomas Huth wrote: >> Since version 2.66, glib has useful URI parsing functions, too. >> Use those instead of the QEMU-internal ones to be finally able >> to get rid of the latter. >> >> Signed-off-by: Thomas Huth <thuth@redhat.com> >> --- >> block/gluster.c | 71 ++++++++++++++++++++++++------------------------- >> 1 file changed, 35 insertions(+), 36 deletions(-) >> >> diff --git a/block/gluster.c b/block/gluster.c >> index cc74af06dc..1c9505f8bb 100644 >> --- a/block/gluster.c >> +++ b/block/gluster.c >> @@ -17,7 +17,6 @@ >> #include "qapi/error.h" >> #include "qapi/qmp/qdict.h" >> #include "qapi/qmp/qerror.h" >> -#include "qemu/uri.h" >> #include "qemu/error-report.h" >> #include "qemu/module.h" >> #include "qemu/option.h" >> @@ -289,9 +288,9 @@ static void glfs_clear_preopened(glfs_t *fs) >> } >> } >> >> -static int parse_volume_options(BlockdevOptionsGluster *gconf, char *path) >> +static int parse_volume_options(BlockdevOptionsGluster *gconf, const char *path) > > Is it worth mentioning in the commit message that this includes a > const-correctness tweak? I can add something like: "Since g_uri_get_path() returns a const pointer, we also need to tweak the parameter of parse_volume_options() (where we use the result of g_uri_get_path() as input)" >> @@ -364,57 +363,57 @@ static int qemu_gluster_parse_uri(BlockdevOptionsGluster *gconf, >> QAPI_LIST_PREPEND(gconf->server, gsconf); >> >> /* transport */ >> - if (!uri->scheme || !strcmp(uri->scheme, "gluster")) { >> + uri_scheme = g_uri_get_scheme(uri); >> + if (!uri_scheme || !strcmp(uri_scheme, "gluster")) { > > Pre-existing, but per RFC 3986, we should probably be using strcasecmp > for scheme comparisons (I'm not sure if g_uri_parse guarantees a > lower-case return, even when the user passed in upper case). That can > be a separate patch. As Daniel mentioned, g_uri_get_scheme() returns a lowercase string, so we should be fine. > Reviewed-by: Eric Blake <eblake@redhat.com> Thanks! Thomas
diff --git a/block/gluster.c b/block/gluster.c index cc74af06dc..1c9505f8bb 100644 --- a/block/gluster.c +++ b/block/gluster.c @@ -17,7 +17,6 @@ #include "qapi/error.h" #include "qapi/qmp/qdict.h" #include "qapi/qmp/qerror.h" -#include "qemu/uri.h" #include "qemu/error-report.h" #include "qemu/module.h" #include "qemu/option.h" @@ -289,9 +288,9 @@ static void glfs_clear_preopened(glfs_t *fs) } } -static int parse_volume_options(BlockdevOptionsGluster *gconf, char *path) +static int parse_volume_options(BlockdevOptionsGluster *gconf, const char *path) { - char *p, *q; + const char *p, *q; if (!path) { return -EINVAL; @@ -349,13 +348,13 @@ static int parse_volume_options(BlockdevOptionsGluster *gconf, char *path) static int qemu_gluster_parse_uri(BlockdevOptionsGluster *gconf, const char *filename) { + g_autoptr(GUri) uri = g_uri_parse(filename, G_URI_FLAGS_NONE, NULL); + g_autoptr(GHashTable) qp = NULL; SocketAddress *gsconf; - URI *uri; - QueryParams *qp = NULL; bool is_unix = false; - int ret = 0; + const char *uri_scheme, *uri_query, *uri_server; + int uri_port, ret; - uri = uri_parse(filename); if (!uri) { return -EINVAL; } @@ -364,57 +363,57 @@ static int qemu_gluster_parse_uri(BlockdevOptionsGluster *gconf, QAPI_LIST_PREPEND(gconf->server, gsconf); /* transport */ - if (!uri->scheme || !strcmp(uri->scheme, "gluster")) { + uri_scheme = g_uri_get_scheme(uri); + if (!uri_scheme || !strcmp(uri_scheme, "gluster")) { gsconf->type = SOCKET_ADDRESS_TYPE_INET; - } else if (!strcmp(uri->scheme, "gluster+tcp")) { + } else if (!strcmp(uri_scheme, "gluster+tcp")) { gsconf->type = SOCKET_ADDRESS_TYPE_INET; - } else if (!strcmp(uri->scheme, "gluster+unix")) { + } else if (!strcmp(uri_scheme, "gluster+unix")) { gsconf->type = SOCKET_ADDRESS_TYPE_UNIX; is_unix = true; - } else if (!strcmp(uri->scheme, "gluster+rdma")) { + } else if (!strcmp(uri_scheme, "gluster+rdma")) { gsconf->type = SOCKET_ADDRESS_TYPE_INET; warn_report("rdma feature is not supported, falling back to tcp"); } else { - ret = -EINVAL; - goto out; + return -EINVAL; } - ret = parse_volume_options(gconf, uri->path); + ret = parse_volume_options(gconf, g_uri_get_path(uri)); if (ret < 0) { - goto out; + return ret; } - qp = query_params_parse(uri->query); - if (qp->n > 1 || (is_unix && !qp->n) || (!is_unix && qp->n)) { - ret = -EINVAL; - goto out; + uri_query = g_uri_get_query(uri); + if (uri_query) { + qp = g_uri_parse_params(uri_query, -1, "&", G_URI_PARAMS_NONE, NULL); + if (!qp) { + return -EINVAL; + } + ret = g_hash_table_size(qp); + if (ret > 1 || (is_unix && !ret) || (!is_unix && ret)) { + return -EINVAL; + } } + uri_server = g_uri_get_host(uri); + uri_port = g_uri_get_port(uri); + if (is_unix) { - if (uri->server || uri->port) { - ret = -EINVAL; - goto out; - } - if (strcmp(qp->p[0].name, "socket")) { - ret = -EINVAL; - goto out; + char *uri_socket = g_hash_table_lookup(qp, "socket"); + if (uri_server || uri_port != -1 || !uri_socket) { + return -EINVAL; } - gsconf->u.q_unix.path = g_strdup(qp->p[0].value); + gsconf->u.q_unix.path = g_strdup(uri_socket); } else { - gsconf->u.inet.host = g_strdup(uri->server ? uri->server : "localhost"); - if (uri->port) { - gsconf->u.inet.port = g_strdup_printf("%d", uri->port); + gsconf->u.inet.host = g_strdup(uri_server ? uri_server : "localhost"); + if (uri_port > 0) { + gsconf->u.inet.port = g_strdup_printf("%d", uri_port); } else { gsconf->u.inet.port = g_strdup_printf("%d", GLUSTER_DEFAULT_PORT); } } -out: - if (qp) { - query_params_free(qp); - } - uri_free(uri); - return ret; + return 0; } static struct glfs *qemu_gluster_glfs_init(BlockdevOptionsGluster *gconf,
Since version 2.66, glib has useful URI parsing functions, too. Use those instead of the QEMU-internal ones to be finally able to get rid of the latter. Signed-off-by: Thomas Huth <thuth@redhat.com> --- block/gluster.c | 71 ++++++++++++++++++++++++------------------------- 1 file changed, 35 insertions(+), 36 deletions(-)