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189 Commits

Author SHA1 Message Date
Lucas De Marchi
33bb69b943 Load and unload resources 
This call will mmap all the index files and in future some of the work
done in ctx creation can be put here.
 2011-12-08 19:51:06 -02:00
Lucas De Marchi
5109f2b422 index: mm: Add flag to open call to populate buffer 2011-12-08 19:51:06 -02:00
Lucas De Marchi
a4a750297d Refactor index file handling 
Put all names in a static vector and declare a enum containing the
number of indexes. This way it's easier to create vectors inside ctx
that depend on these files.
 2011-12-08 19:51:06 -02:00
Gustavo Sverzut Barbieri
558b020704 remove useless look checking for duplicates 2011-12-08 16:36:48 -02:00
Gustavo Sverzut Barbieri
1433ba9ef5 index: avoid strlen() whenever possible. 2011-12-08 16:35:36 -02:00
Gustavo Sverzut Barbieri
435ad788e2 reduce calls to realloc() if size did not change. 2011-12-08 16:35:36 -02:00
Gustavo Sverzut Barbieri
405f614af9 index: improve buffer management and reduce mallocs. 
Grow buffer based on a step, avoiding hitting the system over and over
again.

Do not allocate the 'struct buffer' as in all cases the lifetime is
known and the pattern was allocate then free in every call site.
 2011-12-08 14:38:22 -02:00
Gustavo Sverzut Barbieri
e18ad35c64 fix path handling at dependencies parsing. 
paths come relative to dirname, make them absolute to avoid confusion
later.
 2011-12-08 14:12:39 -02:00
Gustavo Sverzut Barbieri
e5c60f1c28 NULL safety in public places, allows disable logging. 2011-12-08 14:07:13 -02:00
Gustavo Sverzut Barbieri
1bdd951ee2 log: give log function its data instead of kmod_ctx. 
This will be the most common use case for logging, also changed
log_stderr() to log_filep() with data being stderr to test it.
 2011-12-08 14:06:50 -02:00
Gustavo Sverzut Barbieri
e1a6b30dc4 modname_normalize: fix const and buffer overflow. 
"buf[NAME_MAX] = value" is invalid since it would access the byte
right after the array.

Also fix the const of modname, do not mess with it to avoid mistakes.
 2011-12-08 13:33:25 -02:00
Lucas De Marchi
8fc83fe1de kmod_loaded: document exported function 2011-12-08 12:59:16 -02:00
Lucas De Marchi
7e1b3ae2b9 kmod_list: document exported functions 2011-12-08 12:25:36 -02:00
Gustavo Sverzut Barbieri
f1fb6f8525 kmod_module: Remove const from path 
It's an ugly hack. This is an internal variable, we know we shouldn't
change it everywhere.
 2011-12-08 11:37:03 -02:00
Gustavo Sverzut Barbieri
1487a64ffa add kmod_module_get_filtered_blacklist() 
This function will filter the given list against the known blacklist,
returning a new list with remaining modules with the reference
incremented.
 2011-12-08 11:17:16 -02:00
Lucas De Marchi
e005facdb9 Only search path in moddep if it's not already set 
rmmod/insmod should be able to operate directly on files, not relying on
indexes and configuration.

The following test was not working and now it is:

$ # go to a dir != mod->dirname
$ cd /lib/modules/$(uname -r)/kernel
$ # try to insert module giving a relative path
$ insmod drivers/acpi/ac.ko
 2011-12-08 11:15:24 -02:00
Lucas De Marchi
4eb2c0fca1 Fix abs path helper function 2011-12-08 11:15:24 -02:00
Lucas De Marchi
6bd0b8d01d kmod_module: treat module creation by path with same names 
If a module with the same name already exists, try to reference it if
paths are the same. Otherwise fail.
 2011-12-07 14:15:49 -02:00
Lucas De Marchi
71e975cd4d kmod_module: store absolute path when creating module from path 2011-12-07 13:53:53 -02:00
Lucas De Marchi
06363cc126 Add helper path_make_absolute_cwd() 2011-12-07 13:51:40 -02:00
Lucas De Marchi
3a468809b8 Add helper path_is_absolute() 2011-12-07 13:50:52 -02:00
Lucas De Marchi
a5cce6d6ef kmod_config: parse install and remove commands 2011-12-07 11:31:28 -02:00
Lucas De Marchi
615c42be5c kmod_config: parse module options 2011-12-07 10:59:44 -02:00
Lucas De Marchi
afca78015b Add helper strchr_replace() 2011-12-07 10:59:44 -02:00
Lucas De Marchi
877e80cd93 Use streq() when possible 2011-12-07 02:32:28 -02:00
Lucas De Marchi
6c343b1aee Split function so we don't call basename() unnecessarily 2011-12-06 09:02:13 -02:00
Lucas De Marchi
fd186ae996 Maintain a pool of modules alive 
Based on previous implementation by
	Gustavo Sverzut Barbieri <barbieri@profusion.mobi>
 2011-12-06 03:49:07 -02:00
Lucas De Marchi
b7b7ac298f kmod_config: optimize config files handling 
1) Allocate less by not sorting the result with qsort. Instead,
    insert the nodes in the correct order;
 2) Do not maintain the whole path in memory, but rely on openat()
 2011-12-06 03:34:51 -02:00
Lucas De Marchi
e16e27f4a4 kmod_list: remove nodes in order 2011-12-06 03:34:51 -02:00
Lucas De Marchi
1965029cb0 kmod_list: add helper function to merge two lists 
This helper function will append the second list in the first one, so
they become one single list.
 2011-12-06 03:34:51 -02:00
Lucas De Marchi
b91a1c6d3d kmod_list: add helper kmod_list_insert_before() 2011-12-06 03:34:51 -02:00
Lucas De Marchi
86e8788572 kmod_list: add helper kmod_list_insert_after() 2011-12-06 03:34:51 -02:00
Lucas De Marchi
4f2bb7cdd4 kmod_module: normalize module name 2011-12-06 03:34:51 -02:00
Lucas De Marchi
c5e7b1f7ef kmod_module: get path on demand 2011-12-06 02:48:04 -02:00
Lucas De Marchi
671d489424 kmod_module: parse dependencies on demand 2011-12-06 02:48:04 -02:00
Lucas De Marchi
1eb2ef694c Split function to search moddep file 2011-12-06 02:48:04 -02:00
Lucas De Marchi
f1cd799fb0 kmod_module: return a new list and increase ref of dependencies 
kmod_module_get_dependency is renamed to kmod_module_get_dependencies
since it's returning a list. To match other APIs, now it returns a new
list that user must free with kmod_module_unref_list().
 2011-12-06 02:48:03 -02:00
Lucas De Marchi
d2d648dfaf Fix missing parenthesis in macro 2011-12-06 02:48:03 -02:00
Gustavo Sverzut Barbieri
7db08652cd Add simple hash implementation 2011-12-05 19:24:06 -02:00
Lucas De Marchi
d753b8ca35 kmod_module: inline name and make it always available 2011-12-05 18:14:51 -02:00
Gustavo Sverzut Barbieri
43c29d10ff kmod_alias: reduce from 3 mallocs to a single one. 2011-12-05 13:42:13 -02:00
Lucas De Marchi
40923bdb64 Use readdir_r in kmod_module_get_sections() 
readdir() is not thread-safe. Use readdir_r instead.
 2011-12-05 13:41:10 -02:00
Lucas De Marchi
53886ddd87 Use readdir_r in kmod_module_get_holders() 
readdir() is not thread-safe. Use readdir_r instead.
 2011-12-05 13:29:46 -02:00
Lucas De Marchi
49b741d0b0 Add padding to enum to make sure it's an int 2011-12-05 11:42:12 -02:00
Lucas De Marchi
cf91579b8d Inline foreach macro for internal usage 
Avoid calling _next() function because it's an exported function and
linker can not optimize it.

Thanks to "Gustavo Sverzut Barbieri <barbieri@profusion.mobi>" for
suggestion.
 2011-12-05 11:33:15 -02:00
Gustavo Sverzut Barbieri
69f9dd4369 no more kmod_loaded and kmod_loaded_module. 
kmod_loaded_get_list() now returns a regular list of kmod_modules, use
kmod_module_get_module(), kmod_module_unref() and
kmod_module_unref_list() to operate on it.
 2011-12-04 17:24:08 -02:00
Gustavo Sverzut Barbieri
f12ae3c438 kmod_module: extended information gathering. 
provide means to get:
 * refcount
 * initstate
 * holders
 * sections

this can be used to individually query properties from modules,
similar to /proc/modules (kmod_loaded / kmod_loaded_module).
 2011-12-04 17:24:08 -02:00
Gustavo Sverzut Barbieri
ad4d1ae565 kmod_module_get_module: safety against NULL pointers 2011-12-04 17:24:08 -02:00
Gustavo Sverzut Barbieri
87ca03bd07 module refcount should start at 1. 
the current way was having the referenced modules to be released given
the unref comparison checking for "> 0".
 2011-12-04 17:24:08 -02:00
Gustavo Sverzut Barbieri
32c328d28e fix missing ")". 2011-12-04 15:34:43 -02:00
Lucas De Marchi
8f923be69a index: change license to LGPL 
I've got an explicit permit from index author to re-license it as LGPL.
 2011-12-03 04:30:16 -02:00
Lucas De Marchi
5a7ade7191 index: update copyrignt 
mmap implementation
 2011-12-03 04:07:16 -02:00
Lucas De Marchi
bf89f70ca3 index: mmap: add support for seaching with wildcards 
Almost a clean copy & paste from the previous implementation.
 2011-12-03 04:07:16 -02:00
Lucas De Marchi
b797b79183 index: mmap: add support for searching 
Almost a clean copy & paste from the previous implementation.
 2011-12-03 04:07:16 -02:00
Lucas De Marchi
e33bb87cae index: mmap: add support for searching node 
Almost a clean copy & paste from the previous implementation.
 2011-12-03 04:07:16 -02:00
Lucas De Marchi
91298dc79e index: mmap: read child node 2011-12-03 04:07:15 -02:00
Lucas De Marchi
77bf936a89 index: mmap: read root node 2011-12-03 04:07:15 -02:00
Lucas De Marchi
836be9ac5f index: mmap: create and destroy node 2011-12-03 04:07:15 -02:00
Lucas De Marchi
e22c85f357 Add memdup() helper 2011-12-03 04:07:15 -02:00
Lucas De Marchi
b471a6b494 index: mmap: open and close file 2011-12-03 04:06:16 -02:00
Lucas De Marchi
4a4876d6a7 index: use idx instead of index due to name clash 2011-12-03 04:06:16 -02:00
Lucas De Marchi
2295acc5da Fix some coding style issues 2011-12-03 04:05:22 -02:00
Gustavo Sverzut Barbieri
d13e606ff6 improve kmod_config api. 
make the function names reflect the structure they are operating on.

the structure is now allocated and remembers the context it was
created, then no need to give the context in every function call.
 2011-12-03 03:56:57 -02:00
Gustavo Sverzut Barbieri
8d3f3ef815 reorder struct fields to avoid holes, improving packing 2011-12-03 03:56:02 -02:00
Lucas De Marchi
ad5555b272 Fix extra attribute 
linenum can be NULL in case we are not interested in the number of lines
parsed.
 2011-12-03 03:53:10 -02:00
Gustavo Sverzut Barbieri
12d9419d08 improve compiler warnings and checks for internal functions. 2011-12-03 03:52:35 -02:00
Gustavo Sverzut Barbieri
1ce08a563e improve "const" keyword usage. 
functions that do not modify their parameters get them as const pointers.

special cases:
 * kmod_get_userdata/kmod_set_userdata: return as void* for user convenience.
 * kmod_list_append/kmod_list_prepend: take const void* for user convenience.
 2011-12-03 03:51:55 -02:00
Lucas De Marchi
ca491ca99c Drop configurations from /usr/local 2011-12-02 15:02:50 -02:00
Lucas De Marchi
e71970ae44 index: follow libkmod coding style 2011-12-02 10:29:36 -02:00
Lucas De Marchi
eb8bb32e42 Remove redundant comments 2011-12-02 10:25:17 -02:00
Lucas De Marchi
85078e6eef index: remove unused functions 2011-12-02 10:21:42 -02:00
Lucas De Marchi
1d152accf3 index: re-order functions so prototypes are not needed 2011-12-02 10:15:00 -02:00
Lucas De Marchi
3a61c84faa Remove trailing whitespace 2011-12-02 10:08:52 -02:00
Lucas De Marchi
963ca5586e Fix 'redundant redeclaration' warnings 2011-12-02 10:07:25 -02:00
Lucas De Marchi
93688880db Fix 'old style declaration' warnings 2011-12-02 10:05:31 -02:00
Lucas De Marchi
84f4220440 Fix missing return 2011-12-02 10:03:34 -02:00
Lucas De Marchi
6f1bc6e36e Clean 'unused variable' warnings 2011-12-02 10:02:05 -02:00
Lucas De Marchi
1fc1c9a06f Clean 'shadowed declaration' warnings 2011-12-02 10:00:03 -02:00
Lucas De Marchi
0fbdfef3f9 Clean 'shadowed declaration' warnings 
index is a function in string.h, so replace index with idx all over the
source code.
 2011-12-02 09:56:22 -02:00
Lucas De Marchi
a009482ccf Clean 'no previous prototype' warning 2011-12-02 09:53:31 -02:00
Lucas De Marchi
b418a82097 Use fstat() instead of stat() when possible 2011-12-01 23:13:27 -02:00
Lucas De Marchi
0835fc3bf9 Add fucntion to API to get dependencies 2011-12-01 20:06:08 -02:00
Lucas De Marchi
c11e62bfd4 Use strtok_r insteat of strtok 
strtok is not thread-safe because it uses a static pointer to keep track
of position in the string. Using strtok_r solves the problem.
 2011-12-01 18:59:54 -02:00
Lucas De Marchi
4a3eb3a4cc Add dependencies when module is create by name lookup 
We already have the data needed to add the dependencies, so call
fucntion to transform it in a list and save in kmod_module structure.
 2011-12-01 17:57:07 -02:00
Lucas De Marchi
7636e72b15 Add dependency list to kmod_module 
Dependency list is created from line as defined in modules.dep.
 2011-12-01 17:56:03 -02:00
Lucas De Marchi
e915f92ad3 Add missing newlines 2011-12-01 17:47:49 -02:00
Lucas De Marchi
9eaad1f63a Allow path_to_modname to operate locally withou alloc 2011-12-01 17:19:24 -02:00
Lucas De Marchi
49e61ca347 Lookup for alias in modules.alias.bin 2011-12-01 16:27:04 -02:00
Lucas De Marchi
7b30f4f4ff Generalize function to be used by other lookups 2011-12-01 16:25:37 -02:00
Lucas De Marchi
64700e4747 Lookup modules from modules.dep.bin file 2011-12-01 15:58:12 -02:00
Lucas De Marchi
23fc91c642 Make lookup functions return number of elements found 2011-12-01 15:35:31 -02:00
Lucas De Marchi
62be799554 Add kmod_list_remove_n_latest() 2011-12-01 15:34:12 -02:00
Lucas De Marchi
79d77111dc Add kmod_list_prev to exported functions 2011-12-01 14:47:44 -02:00
Lucas De Marchi
9ba6f57b5b Lookup modules.symbols.bin 
Test in my system:

./test/test-lookup symbol:sas_slave_destroy
libkmod version 0.1
Alias: 'symbol:sas_slave_destroy'
Modules matching:
	libsas
 2011-11-30 20:32:53 -02:00
Lucas De Marchi
839d7dadf6 Remove dangling comment 2011-11-30 20:30:39 -02:00
Lucas De Marchi
b14dcfdab3 Prepare lookup function for more files to look after 2011-11-30 20:29:51 -02:00
Lucas De Marchi
904c63aa96 Fix initialization of kernel modules dir 2011-11-30 20:27:50 -02:00
Lucas De Marchi
7e317da3c9 Add startswith() helper function 2011-11-30 19:20:19 -02:00
Lucas De Marchi
7f3eb0cced Add lookup to create modules list from alias 
We return a kmod_list when searching for an alias. Right now, it only
search for aliases in config files.

To use it, we create a list:
	list = NULL;
	kmod_module_new_from_lookup(..., &list);

And iterate over it to get the modules and their details:

	kmod_list_foreach(l, list) {
		struct kmod_mod *mod = kmod_module_get_module(l);
		...
		... kmod_module_get_name(mod);
		... kmod_module_get_path(mod);
	}

Aliases might contain globs and are match by using fnmatch().
 2011-11-30 19:03:41 -02:00
Lucas De Marchi
6e869df73d Add name() and path() getters for kmod_module 2011-11-30 19:01:01 -02:00