Index: uspace/lib/c/include/io/log.h =================================================================== --- uspace/lib/c/include/io/log.h (revision 3322d95e29bc0129633971c3a72532ca5f76ae29) +++ uspace/lib/c/include/io/log.h (revision ce1df04f4ef772bb19ef81b2f55e1f9c3359319f) @@ -36,12 +36,20 @@ #include +#include #include +/** Log message level. */ typedef enum { + /** Fatal error, program is not able to recover at all. */ LVL_FATAL, + /** Serious error but the program can recover from it. */ LVL_ERROR, + /** Easily recoverable problem. */ LVL_WARN, + /** Information message that ought to be printed by default. */ LVL_NOTE, + /** Debugging purpose message. */ LVL_DEBUG, + /** More detailed debugging message. */ LVL_DEBUG2, @@ -50,8 +58,24 @@ } log_level_t; -extern int log_init(const char *, log_level_t); -extern void log_msg(log_level_t, const char *, ...) - PRINTF_ATTRIBUTE(2, 3); -extern void log_msgv(log_level_t, const char *, va_list); +/** Log itself (logging target). */ +typedef sysarg_t log_t; +/** Formatting directive for printing log_t. */ +#define PRIlogctx PRIxn + +/** Default log (target). */ +#define LOG_DEFAULT ((log_t) -1) + +/** Use when creating new top-level log. */ +#define LOG_NO_PARENT ((log_t) 0) + +extern const char *log_level_str(log_level_t); +extern int log_level_from_str(const char *, log_level_t *); + +extern int log_init(const char *); +extern log_t log_create(const char *, log_t); + +extern void log_msg(log_t, log_level_t, const char *, ...) + PRINTF_ATTRIBUTE(3, 4); +extern void log_msgv(log_t, log_level_t, const char *, va_list); #endif Index: uspace/lib/c/include/io/logctl.h =================================================================== --- uspace/lib/c/include/io/logctl.h (revision ce1df04f4ef772bb19ef81b2f55e1f9c3359319f) +++ uspace/lib/c/include/io/logctl.h (revision ce1df04f4ef772bb19ef81b2f55e1f9c3359319f) @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2011-2012 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libc + * @{ + */ + +#ifndef LIBC_IO_LOGCTL_H_ +#define LIBC_IO_LOGCTL_H_ + +#include + +extern int logctl_set_default_level(log_level_t); +extern int logctl_set_log_level(const char *, log_level_t); + +#endif + +/** @} + */ Index: uspace/lib/c/include/ipc/logger.h =================================================================== --- uspace/lib/c/include/ipc/logger.h (revision ce1df04f4ef772bb19ef81b2f55e1f9c3359319f) +++ uspace/lib/c/include/ipc/logger.h (revision ce1df04f4ef772bb19ef81b2f55e1f9c3359319f) @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2012 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libc + * @{ + */ + +#ifndef LIBC_IPC_LOGGER_H_ +#define LIBC_IPC_LOGGER_H_ + +#include + +typedef enum { + /** Set (global) default displayed logging level. + * + * Arguments: new log level. + * Returns: error code + */ + LOGGER_CONTROL_SET_DEFAULT_LEVEL = IPC_FIRST_USER_METHOD, + /** Set displayed level for given log. + * + * Arguments: new log level. + * Returns: error code + * Followed by: string with full log name. + */ + LOGGER_CONTROL_SET_LOG_LEVEL +} logger_control_request_t; + +typedef enum { + /** Create new log. + * + * Arguments: parent log id (0 for top-level log). + * Returns: error code, log id + * Followed by: string with log name. + */ + LOGGER_WRITER_CREATE_LOG = IPC_FIRST_USER_METHOD, + /** Write a message to a given log. + * + * Arguments: log id, message severity level (log_level_t) + * Returns: error code + * Followed by: string with the message. + */ + LOGGER_WRITER_MESSAGE +} logger_writer_request_t; + +typedef enum { + /** Interface for controlling logger behavior. */ + LOGGER_INTERFACE_CONTROL, + /** Interface for servers writing to the log. */ + LOGGER_INTERFACE_WRITER +} logger_interface_t; + +#endif + +/** @} + */ Index: uspace/lib/c/include/ipc/services.h =================================================================== --- uspace/lib/c/include/ipc/services.h (revision 3322d95e29bc0129633971c3a72532ca5f76ae29) +++ uspace/lib/c/include/ipc/services.h (revision ce1df04f4ef772bb19ef81b2f55e1f9c3359319f) @@ -45,4 +45,5 @@ SERVICE_VFS = FOURCC('v', 'f', 's', ' '), SERVICE_LOC = FOURCC('l', 'o', 'c', ' '), + SERVICE_LOGGER = FOURCC('l', 'o', 'g', 'g'), SERVICE_DEVMAN = FOURCC('d', 'e', 'v', 'n'), SERVICE_IRC = FOURCC('i', 'r', 'c', ' '),