diff options
| -rw-r--r-- | apt-pkg/cdrom.cc | 81 | ||||
| -rw-r--r-- | apt-pkg/cdrom.h | 36 | ||||
| -rw-r--r-- | apt-pkg/makefile | 2 | ||||
| -rw-r--r-- | methods/cdrom.cc | 54 | ||||
| -rw-r--r-- | test/makefile | 6 | ||||
| -rw-r--r-- | test/test_udevcdrom.cc | 19 |
6 files changed, 142 insertions, 56 deletions
diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc index a31602dfa..087ee321c 100644 --- a/apt-pkg/cdrom.cc +++ b/apt-pkg/cdrom.cc @@ -16,7 +16,7 @@ #include <unistd.h> #include <stdio.h> #include <algorithm> - +#include <dlfcn.h> #include "indexcopy.h" @@ -844,3 +844,82 @@ bool pkgCdrom::Add(pkgCdromStatus *log) return true; } + + +pkgUdevCdromDevices::pkgUdevCdromDevices() + : libudev_handle(NULL) +{ + +} + +bool +pkgUdevCdromDevices::Dlopen() +{ + // see if we can get libudev + void *h = ::dlopen("libudev.so.0", RTLD_LAZY); + if(h == NULL) + return false; + + // get the pointers to the udev structs + libudev_handle = h; + udev_new = (udev* (*)(void)) dlsym(h, "udev_new"); + udev_enumerate_add_match_property = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_property"); + udev_enumerate_scan_devices = (int (*)(udev_enumerate*))dlsym(h, "udev_enumerate_scan_devices"); + udev_enumerate_get_list_entry = (udev_list_entry* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_list_entry"); + udev_device_new_from_syspath = (udev_device* (*)(udev*, const char*))dlsym(h, "udev_device_new_from_syspath"); + udev_enumerate_get_udev = (udev* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_udev"); + udev_list_entry_get_name = (const char* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_name"); + udev_device_get_devnode = (const char* (*)(udev_device*))dlsym(h, "udev_device_get_devnode"); + udev_enumerate_new = (udev_enumerate* (*)(udev*))dlsym(h, "udev_enumerate_new"); + udev_list_entry_get_next = (udev_list_entry* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_next"); + udev_device_get_property_value = (const char* (*)(udev_device *, const char *))dlsym(h, "udev_device_get_property_value"); + + return true; +} + +vector<CdromDevice> +pkgUdevCdromDevices::Scan() +{ + vector<CdromDevice> cdrom_devices; + struct udev_enumerate *enumerate; + struct udev_list_entry *l, *devices; + struct udev *udev_ctx; + + if(libudev_handle == NULL) + return cdrom_devices; + + udev_ctx = udev_new(); + enumerate = udev_enumerate_new (udev_ctx); + udev_enumerate_add_match_property(enumerate, "ID_CDROM", "1"); + + udev_enumerate_scan_devices (enumerate); + devices = udev_enumerate_get_list_entry (enumerate); + for (l = devices; l != NULL; l = udev_list_entry_get_next (l)) + { + CdromDevice cdrom; + struct udev_device *udevice; + udevice = udev_device_new_from_syspath (udev_enumerate_get_udev (enumerate), udev_list_entry_get_name (l)); + if (udevice == NULL) + continue; + const char* devnode = udev_device_get_devnode(udevice); + const char* mountpath = udev_device_get_property_value(udevice, "FSTAB_DIR"); + + // fill in the struct + cdrom.DeviceName = string(devnode); + if (mountpath) { + cdrom.MountPath = mountpath; + cdrom.Mounted = true; + } else { + cdrom.Mounted = false; + cdrom.MountPath = ""; + } + cdrom_devices.push_back(cdrom); + } + return cdrom_devices; +} + + +pkgUdevCdromDevices::~pkgUdevCdromDevices() +{ + dlclose(libudev_handle); +} diff --git a/apt-pkg/cdrom.h b/apt-pkg/cdrom.h index 68d61c098..13e7203f4 100644 --- a/apt-pkg/cdrom.h +++ b/apt-pkg/cdrom.h @@ -67,5 +67,41 @@ class pkgCdrom }; +// class that uses libudev to find cdrom devices dynamically +struct CdromDevice +{ + string DeviceName; + bool Mounted; + string MountPath; +}; + +class pkgUdevCdromDevices +{ + protected: + // libudev dlopen stucture + void *libudev_handle; + struct udev* (*udev_new)(void); + int (*udev_enumerate_add_match_property)(struct udev_enumerate *udev_enumerate, const char *property, const char *value); + int (*udev_enumerate_scan_devices)(struct udev_enumerate *udev_enumerate); + struct udev_list_entry* (*udev_enumerate_get_list_entry)(struct udev_enumerate *udev_enumerate); + struct udev_device* (*udev_device_new_from_syspath)(struct udev *udev, const char *syspath); + struct udev* (*udev_enumerate_get_udev)(struct udev_enumerate *udev_enumerate); + const char* (*udev_list_entry_get_name)(struct udev_list_entry *list_entry); + const char* (*udev_device_get_devnode)(struct udev_device *udev_device); + struct udev_enumerate *(*udev_enumerate_new) (struct udev *udev); + struct udev_list_entry *(*udev_list_entry_get_next)(struct udev_list_entry *list_entry); + const char* (*udev_device_get_property_value)(struct udev_device *udev_device, const char *key); + // end libudev dlopen + + public: + pkgUdevCdromDevices(); + virtual ~pkgUdevCdromDevices(); + + // try to open + bool Dlopen(); + vector<CdromDevice> Scan(); +}; + + #endif diff --git a/apt-pkg/makefile b/apt-pkg/makefile index 087f17740..387151baf 100644 --- a/apt-pkg/makefile +++ b/apt-pkg/makefile @@ -15,7 +15,7 @@ LIBRARY=apt-pkg LIBEXT=$(GLIBC_VER)$(LIBSTDCPP_VER) MAJOR=4.7 MINOR=0 -SLIBS=$(PTHREADLIB) $(INTLLIBS) -lutil +SLIBS=$(PTHREADLIB) $(INTLLIBS) -lutil -ldl APT_DOMAIN:=libapt-pkg$(MAJOR) # Source code for the contributed non-core things diff --git a/methods/cdrom.cc b/methods/cdrom.cc index 0310b66cd..7a20ae514 100644 --- a/methods/cdrom.cc +++ b/methods/cdrom.cc @@ -25,23 +25,6 @@ using namespace std; -struct udev; -struct udev_list_entry; - -// libudev dlopen stucture -struct udev_p { - struct udev* (*udev_new)(void); - int (*udev_enumerate_add_match_property)(struct udev_enumerate *udev_enumerate, const char *property, const char *value); - int (*udev_enumerate_scan_devices)(struct udev_enumerate *udev_enumerate); - struct udev_list_entry *(*udev_enumerate_get_list_entry)(struct udev_enumerate *udev_enumerate); - struct udev_device *(*udev_device_new_from_syspath)(struct udev *udev, const char *syspath); - struct udev *(*udev_enumerate_get_udev)(struct udev_enumerate *udev_enumerate); - const char *(*udev_list_entry_get_name)(struct udev_list_entry *list_entry); - const char *(*udev_device_get_devnode)(struct udev_device *udev_device); - struct udev_enumerate *(*udev_enumerate_new) (struct udev *udev); - struct udev_list_entry *(*udev_list_entry_get_next)(struct udev_list_entry *list_entry); -}; - class CDROMMethod : public pkgAcqMethod { bool DatabaseLoaded; @@ -49,7 +32,6 @@ class CDROMMethod : public pkgAcqMethod string CurrentID; string CDROM; bool MountedByApt; - vector<string> CdromDevices; virtual bool Fetch(FetchItem *Itm); string GetID(string Name); @@ -69,42 +51,6 @@ CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly | DatabaseLoaded(false), MountedByApt(false) { - // see if we can get libudev - void *h = dlopen("libudev.so.0", RTLD_LAZY); - if (h) { - // the pointers for the udev struct - struct udev_p p; - p.udev_new = (udev* (*)(void)) dlsym(h, "udev_new"); - p.udev_enumerate_add_match_property = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_property"); - p.udev_enumerate_scan_devices = (int (*)(udev_enumerate*))dlsym(h, "udev_enumerate_scan_devices"); - p.udev_enumerate_get_list_entry = (udev_list_entry* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_list_entry"); - p.udev_device_new_from_syspath = (udev_device* (*)(udev*, const char*))dlsym(h, "udev_device_new_from_syspath"); - p.udev_enumerate_get_udev = (udev* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_udev"); - p.udev_list_entry_get_name = (const char* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_name"); - p.udev_device_get_devnode = (const char* (*)(udev_device*))dlsym(h, "udev_device_get_devnode"); - p.udev_enumerate_new = (udev_enumerate* (*)(udev*))dlsym(h, "udev_enumerate_new"); - p.udev_list_entry_get_next = (udev_list_entry* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_next"); - struct udev_enumerate *enumerate; - struct udev_list_entry *l, *devices; - struct udev *udev_ctx; - - udev_ctx = p.udev_new(); - enumerate = p.udev_enumerate_new (udev_ctx); - p.udev_enumerate_add_match_property(enumerate, "ID_CDROM", "1"); - - p.udev_enumerate_scan_devices (enumerate); - devices = p.udev_enumerate_get_list_entry (enumerate); - for (l = devices; l != NULL; l = p.udev_list_entry_get_next (l)) - { - struct udev_device *udevice; - udevice = p.udev_device_new_from_syspath (p.udev_enumerate_get_udev (enumerate), p.udev_list_entry_get_name (l)); - if (udevice == NULL) - continue; - const char* devnode = p.udev_device_get_devnode(udevice); - //std::cerr << devnode << std::endl; - CdromDevices.push_back(string(devnode)); - } - } }; diff --git a/test/makefile b/test/makefile index a9dbdc34d..fb9123d0a 100644 --- a/test/makefile +++ b/test/makefile @@ -68,6 +68,12 @@ SLIBS = -lapt-pkg SOURCE = hash.cc include $(PROGRAM_H) +# Program for testing udevcdrom +PROGRAM=test_udevcdrom +SLIBS = -lapt-pkg +SOURCE = test_udevcdrom.cc +include $(PROGRAM_H) + # Program for checking rpm versions PROGRAM=rpmver SLIBS = -lapt-pkg -lrpm diff --git a/test/test_udevcdrom.cc b/test/test_udevcdrom.cc new file mode 100644 index 000000000..e65c7a297 --- /dev/null +++ b/test/test_udevcdrom.cc @@ -0,0 +1,19 @@ +#include <apt-pkg/cdrom.h> +#include <stdio.h> +#include <assert.h> + +int main() +{ + int i; + pkgUdevCdromDevices c; + assert(c.Dlopen()); + + vector<CdromDevice> l; + l = c.Scan(); + assert(l.size() > 0); + for (i=0;i<l.size();i++) + std::cerr << l[i].DeviceName << " " + << l[i].Mounted << " " + << l[i].MountPath << std::endl; + +} |