2 * Copyright (c) 2012 Vojtech Horky
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #include <io/logctl.h>
36 #include <ipc/logger.h>
42 /** IPC session with the logger service. */
43 static async_sess_t
*logger_session
= NULL
;
45 static errno_t
start_logger_exchange(async_exch_t
**exchange_out
)
47 assert(exchange_out
!= NULL
);
49 if (logger_session
== NULL
) {
50 logger_session
= service_connect_blocking(SERVICE_LOGGER
,
51 INTERFACE_LOGGER_CONTROL
, 0);
52 if (logger_session
== NULL
)
56 assert(logger_session
!= NULL
);
58 async_exch_t
*exchange
= async_exchange_begin(logger_session
);
62 *exchange_out
= exchange
;
67 /** Set default reported log level (global setting).
69 * This setting affects all logger clients whose reporting level was
72 * If logging level of client A is changed with logctl_set_log_level()
73 * to some level, this call will have no effect at that client's reporting
74 * level. Even if the actual value of the reporting level of client A is
75 * the same as current (previous) default log level.
77 * @param new_level New reported logging level.
78 * @return Error code of the conversion or EOK on success.
80 errno_t
logctl_set_default_level(log_level_t new_level
)
82 async_exch_t
*exchange
= NULL
;
83 errno_t rc
= start_logger_exchange(&exchange
);
87 rc
= (errno_t
) async_req_1_0(exchange
,
88 LOGGER_CONTROL_SET_DEFAULT_LEVEL
, new_level
);
90 async_exchange_end(exchange
);
95 /** Set reported log level of a single log.
97 * @see logctl_set_default_level
99 * @param logname Log name.
100 * @param new_level New reported logging level.
101 * @return Error code of the conversion or EOK on success.
103 errno_t
logctl_set_log_level(const char *logname
, log_level_t new_level
)
105 async_exch_t
*exchange
= NULL
;
106 errno_t rc
= start_logger_exchange(&exchange
);
110 aid_t reg_msg
= async_send_1(exchange
, LOGGER_CONTROL_SET_LOG_LEVEL
,
112 rc
= async_data_write_start(exchange
, logname
, str_size(logname
));
114 async_wait_for(reg_msg
, ®_msg_rc
);
116 async_exchange_end(exchange
);
121 return (errno_t
) reg_msg_rc
;
124 /** Set logger's VFS root.
126 * @return Error code or EOK on success.
128 errno_t
logctl_set_root(void)
130 async_exch_t
*exchange
= NULL
;
131 errno_t rc
= start_logger_exchange(&exchange
);
135 aid_t reg_msg
= async_send_0(exchange
, LOGGER_CONTROL_SET_ROOT
, NULL
);
136 async_exch_t
*vfs_exch
= vfs_exchange_begin();
137 rc
= vfs_pass_handle(vfs_exch
, vfs_root(), exchange
);
138 vfs_exchange_end(vfs_exch
);
140 async_wait_for(reg_msg
, ®_msg_rc
);
142 async_exchange_end(exchange
);
147 return (errno_t
) reg_msg_rc
;