Enable libvirt users to modify daemon's logging output settings from outside. If either an empty string or NULL is passed, a default logging output will be used the same way as it would be in case writing an empty string to the libvirtd.conf Signed-off-by: Erik Skultety <eskultet@xxxxxxxxxx> --- daemon/admin.c | 10 ++++++++++ include/libvirt/libvirt-admin.h | 4 ++++ src/admin/admin_protocol.x | 12 +++++++++++- src/admin_protocol-structs | 5 +++++ src/libvirt-admin.c | 38 ++++++++++++++++++++++++++++++++++++++ src/libvirt_admin_private.syms | 1 + src/libvirt_admin_public.syms | 1 + 7 files changed, 70 insertions(+), 1 deletion(-) diff --git a/daemon/admin.c b/daemon/admin.c index f3bc1de..16a3453 100644 --- a/daemon/admin.c +++ b/daemon/admin.c @@ -416,6 +416,16 @@ adminConnectGetLoggingFilters(char **filters, unsigned int flags) } static int +adminConnectSetLoggingOutputs(virNetDaemonPtr dmn ATTRIBUTE_UNUSED, + const char *outputs, + unsigned int flags) +{ + virCheckFlags(0, -1); + + return virLogSetOutputs(outputs); +} + +static int adminDispatchConnectGetLoggingOutputs(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, diff --git a/include/libvirt/libvirt-admin.h b/include/libvirt/libvirt-admin.h index d76ac20..aa33fef 100644 --- a/include/libvirt/libvirt-admin.h +++ b/include/libvirt/libvirt-admin.h @@ -412,6 +412,10 @@ int virAdmConnectGetLoggingFilters(virAdmConnectPtr conn, char **filters, unsigned int flags); +int virAdmConnectSetLoggingOutputs(virAdmConnectPtr conn, + const char *outputs, + unsigned int flags); + # ifdef __cplusplus } # endif diff --git a/src/admin/admin_protocol.x b/src/admin/admin_protocol.x index 8316bc4..1d2116d 100644 --- a/src/admin/admin_protocol.x +++ b/src/admin/admin_protocol.x @@ -201,6 +201,11 @@ struct admin_connect_get_logging_filters_ret { unsigned int nfilters; }; +struct admin_connect_set_logging_outputs_args { + admin_string outputs; + unsigned int flags; +}; + /* Define the program number, protocol version and procedure numbers here. */ const ADMIN_PROGRAM = 0x06900690; const ADMIN_PROTOCOL_VERSION = 1; @@ -296,5 +301,10 @@ enum admin_procedure { /** * @generate: none */ - ADMIN_PROC_CONNECT_GET_LOGGING_FILTERS = 15 + ADMIN_PROC_CONNECT_GET_LOGGING_FILTERS = 15, + + /** + * @generate: both + */ + ADMIN_PROC_CONNECT_SET_LOGGING_OUTPUTS = 16 }; diff --git a/src/admin_protocol-structs b/src/admin_protocol-structs index c172557..04bbd7a 100644 --- a/src/admin_protocol-structs +++ b/src/admin_protocol-structs @@ -141,6 +141,10 @@ struct admin_connect_get_logging_filters_ret { admin_string filters; u_int nfilters; }; +struct admin_connect_set_logging_outputs_args { + admin_string outputs; + u_int flags; +}; enum admin_procedure { ADMIN_PROC_CONNECT_OPEN = 1, ADMIN_PROC_CONNECT_CLOSE = 2, @@ -157,4 +161,5 @@ enum admin_procedure { ADMIN_PROC_SERVER_SET_CLIENT_LIMITS = 13, ADMIN_PROC_CONNECT_GET_LOGGING_OUTPUTS = 14, ADMIN_PROC_CONNECT_GET_LOGGING_FILTERS = 15, + ADMIN_PROC_CONNECT_SET_LOGGING_OUTPUTS = 16, }; diff --git a/src/libvirt-admin.c b/src/libvirt-admin.c index 29754a8..2bc8b2c 100644 --- a/src/libvirt-admin.c +++ b/src/libvirt-admin.c @@ -1165,3 +1165,41 @@ virAdmConnectGetLoggingFilters(virAdmConnectPtr conn, virDispatchError(NULL); return -1; } + +/** + * virAdmConnectSetLoggingOutputs: + * @conn: pointer to an active admin connection + * @outputs: pointer to a string containing a list of outputs to be defined + * @flags: extra flags; not used yet, so callers should always pass 0 + * + * Redefine the existing (set of) outputs(s) with a new one specified in + * @outputs. If multiple outputs are specified, they need to be delimited by + * spaces. The format of each output must conform to the format described in + * daemon's configuration file (e.g. libvirtd.conf). + * + * To reset the existing (set of) output(s) to libvirt's defaults, an empty + * string ("") or NULL should be passed in @outputs. + * + * Returns 0 if the new output or the set of outputs has been defined + * successfully, or -1 in case of an error. + */ +int +virAdmConnectSetLoggingOutputs(virAdmConnectPtr conn, + const char *outputs, + unsigned int flags) +{ + int ret = -1; + + VIR_DEBUG("conn=%p, outputs=%s, flags=%x", conn, outputs, flags); + + virResetLastError(); + virCheckAdmConnectReturn(conn, -1); + + if ((ret = remoteAdminConnectSetLoggingOutputs(conn, outputs, flags)) < 0) + goto error; + + return ret; + error: + virDispatchError(NULL); + return -1; +} diff --git a/src/libvirt_admin_private.syms b/src/libvirt_admin_private.syms index f2e03d1..ad7fd1f 100644 --- a/src/libvirt_admin_private.syms +++ b/src/libvirt_admin_private.syms @@ -19,6 +19,7 @@ xdr_admin_connect_list_servers_ret; xdr_admin_connect_lookup_server_args; xdr_admin_connect_lookup_server_ret; xdr_admin_connect_open_args; +xdr_admin_connect_set_logging_outputs_args; xdr_admin_server_get_client_limits_args; xdr_admin_server_get_client_limits_ret; xdr_admin_server_get_threadpool_parameters_args; diff --git a/src/libvirt_admin_public.syms b/src/libvirt_admin_public.syms index 234c50e..d4713da 100644 --- a/src/libvirt_admin_public.syms +++ b/src/libvirt_admin_public.syms @@ -44,4 +44,5 @@ LIBVIRT_ADMIN_2.5.0 { global: virAdmConnectGetLoggingOutputs; virAdmConnectGetLoggingFilters; + virAdmConnectSetLoggingOutputs; } LIBVIRT_ADMIN_2.0.0; -- 2.5.5 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list