X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev.c;h=ac29ec6f4424909fcd9799ec1db1fbeb3dc421ce;hp=1ac1c985076be16e6d1eab73fdd65d7b58cb7d33;hb=4af58c70571c5c63edaff20d2032c8eeb59678b6;hpb=f0083e3d4eb49e11fd7e37532dc64a6e6f5d4039 diff --git a/udev.c b/udev.c index 1ac1c9850..ac29ec6f4 100644 --- a/udev.c +++ b/udev.c @@ -23,11 +23,24 @@ #include #include +#include +#include +#include +#include +#include + #include "udev.h" #include "udev_version.h" +#include "udev_dbus.h" +#include "namedev.h" +#include "udevdb.h" +#include "libsysfs/libsysfs.h" +/* global variables */ +char **main_argv; +char **main_envp; -static char *get_action(void) +static inline char *get_action(void) { char *action; @@ -35,49 +48,98 @@ static char *get_action(void) return action; } +static inline char *get_devpath(void) +{ + char *devpath; -/* yeah this should be dynamically allocated... */ -static char device[255]; + devpath = getenv("DEVPATH"); + return devpath; +} -static char *get_device(void) +static inline char *get_seqnum(void) { - char *temp; + char *seqnum; - temp = getenv("DEVPATH"); - if (temp == NULL) - return NULL; - strcpy(device, SYSFS_ROOT); - strcat(device, temp); - - return device; + seqnum = getenv("SEQNUM"); + return seqnum; } - -int main(int argc, char *argv[]) +int main(int argc, char **argv, char **envp) { - char *subsystem; char *action; - char *dev; + char *devpath; + char *subsystem; + int retval = -EINVAL; + main_argv = argv; + main_envp = envp; + + dbg("version %s", UDEV_VERSION); + if (argc != 2) { dbg ("unknown number of arguments"); - return 1; + goto exit; } subsystem = argv[1]; + devpath = get_devpath(); + if (!devpath) { + dbg ("no devpath?"); + goto exit; + } + dbg("looking at '%s'", devpath); + + /* we only care about class devices and block stuff */ + if (!strstr(devpath, "class") && + !strstr(devpath, "block")) { + dbg("not a block or class device"); + goto exit; + } + + /* but we don't care about net class devices */ + if (strcmp(subsystem, "net") == 0) { + dbg("don't care about net devices"); + goto exit; + } + action = get_action(); if (!action) { dbg ("no action?"); - return 1; + goto exit; } - dev = get_device(); - if (!dev) { - dbg ("no device?"); - return 1; + /* initialize our configuration */ + udev_init_config(); + + /* connect to the system message bus */ + sysbus_connect(); + + /* initialize udev database */ + retval = udevdb_init(UDEVDB_DEFAULT); + if (retval != 0) { + dbg("unable to initialize database"); + goto exit; } - return 0; -} + /* initialize the naming deamon */ + namedev_init(); + if (strcmp(action, "add") == 0) + retval = udev_add_device(devpath, subsystem); + + else if (strcmp(action, "remove") == 0) + retval = udev_remove_device(devpath, subsystem); + + else { + dbg("unknown action '%s'", action); + retval = -EINVAL; + } + udevdb_exit(); + + /* disconnect from the system message bus */ + sysbus_disconnect(); + +exit: + return retval; +}