devices/usb: remove old, apparently non-functional, scan methods

Signed-off-by: Burt P <pburt0@gmail.com>

1 files changed, 10 insertions, 420 deletions

diff --git a/modules/devices/usb.c b/modules/devices/usb.c
index d9fe3395..fe6ce01d 100644
--- a/modules/devices/usb.c
+++ b/modules/devices/usb.c
@@ -15,10 +15,6 @@
  *    along with this program; if not, write to the Free Software
  *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
-/*
- * FIXME:
- * - listing with sysfs does not generate device hierarchy
- */
 
 #include <string.h>
 
@@ -28,405 +24,6 @@
 
 gchar *usb_list = NULL;
 
-static void __scan_usb_sysfs_add_device(gchar * endpoint, int n)
-{
-    gchar *manufacturer, *product, *mxpwr, *tmp, *strhash;
-    gint bus, classid, vendor, prodid;
-    gfloat version, speed;
-
-    classid = h_sysfs_read_int(endpoint, "bDeviceClass");
-    vendor = h_sysfs_read_int(endpoint, "idVendor");
-    prodid = h_sysfs_read_int(endpoint, "idProduct");
-    bus = h_sysfs_read_int(endpoint, "busnum");
-    speed = h_sysfs_read_float(endpoint, "speed");
-    version = h_sysfs_read_float(endpoint, "version");
-
-    if (!(mxpwr = h_sysfs_read_string(endpoint, "bMaxPower"))) {
-    	mxpwr = g_strdup_printf("%d %s", 0 , _("mA") );
-    }
-
-    if (!(manufacturer = h_sysfs_read_string(endpoint, "manufacturer"))) {
-    	manufacturer = g_strdup(_("(Unknown)"));
-    }
-
-    if (!(product = h_sysfs_read_string(endpoint, "product"))) {
-        if (classid == 9) {
-            product = g_strdup_printf(_(/*/%.2f is version*/ "USB %.2f Hub"), version);
-        } else {
-            product = g_strdup_printf(_("Unknown USB %.2f Device (class %d)"), version, classid);
-        }
-    }
-
-    const gchar *v_url = vendor_get_url(manufacturer);
-    const gchar *v_name = vendor_get_name(manufacturer);
-    gchar *v_str;
-    if (v_url != NULL) {
-        v_str = g_strdup_printf("%s (%s)", v_name, v_url);
-    } else {
-        v_str = g_strdup_printf("%s", manufacturer);
-    }
-
-    tmp = g_strdup_printf("USB%d", n);
-    usb_list = h_strdup_cprintf("$%s$%s=\n", usb_list, tmp, product);
-
-    strhash = g_strdup_printf("[%s]\n"
-             /* Product */      "%s=%s\n"
-             /* Manufacturer */ "%s=%s\n"
-             /* Speed */        "%s=%.2f %s\n"
-             /* Max Current */  "%s=%s\n"
-                  "[%s]\n"
-             /* USB Version */  "%s=%.2f\n"
-             /* Class */        "%s=0x%x\n"
-             /* Vendor */       "%s=0x%x\n"
-             /* Product ID */   "%s=0x%x\n"
-             /* Bus */          "%s=%d\n",
-                  _("Device Information"),
-                  _("Product"), product,
-                  _("Manufacturer"), v_str,
-                  _("Speed"), speed, _("Mbit/s"),
-                  _("Max Current"), mxpwr,
-                  _("Misc"),
-                  _("USB Version"), version,
-                  _("Class"), classid,
-                  _("Vendor ID"), vendor,
-                  _("Product ID"), prodid,
-                  _("Bus"), bus);
-
-    moreinfo_add_with_prefix("DEV", tmp, strhash);
-    g_free(tmp);
-    g_free(v_str);
-    g_free(manufacturer);
-    g_free(product);
-    g_free(mxpwr);
-}
-
-static gboolean __scan_usb_sysfs(void)
-{
-    GDir *sysfs;
-    gchar *filename;
-    const gchar *sysfs_path = "/sys/class/usb_endpoint";
-    gint usb_device_number = 0;
-
-    if (!(sysfs = g_dir_open(sysfs_path, 0, NULL))) {
-	return FALSE;
-    }
-
-    if (usb_list) {
-       moreinfo_del_with_prefix("DEV:USB");
-	g_free(usb_list);
-    }
-    usb_list = g_strdup_printf("[%s]\n", _("USB Devices"));
-
-    while ((filename = (gchar *) g_dir_read_name(sysfs))) {
-	gchar *endpoint =
-	    g_build_filename(sysfs_path, filename, "device", NULL);
-	gchar *temp;
-
-	temp = g_build_filename(endpoint, "idVendor", NULL);
-	if (g_file_test(temp, G_FILE_TEST_EXISTS)) {
-	    __scan_usb_sysfs_add_device(endpoint, ++usb_device_number);
-	}
-
-	g_free(temp);
-	g_free(endpoint);
-    }
-
-    g_dir_close(sysfs);
-
-    return usb_device_number > 0;
-}
-
-static gboolean __scan_usb_procfs(void)
-{
-    FILE *dev;
-    gchar buffer[128];
-    gchar *tmp, *manuf = NULL, *product = NULL, *mxpwr = NULL;
-    gint bus = 0, level = 0, port = 0, classid = 0, trash;
-    gint vendor = 0, prodid = 0;
-    gfloat ver = 0.0f, rev = 0.0f, speed = 0.0f;
-    int n = 0;
-
-    dev = fopen("/proc/bus/usb/devices", "r");
-    if (!dev)
-	return 0;
-
-    if (usb_list) {
-	moreinfo_del_with_prefix("DEV:USB");
-	g_free(usb_list);
-    }
-    usb_list = g_strdup_printf("[%s]\n", _("USB Devices"));
-
-    while (fgets(buffer, 128, dev)) {
-	tmp = buffer;
-
-	switch (*tmp) {
-	case 'T':
-	    sscanf(tmp,
-		   "T:  Bus=%d Lev=%d Prnt=%d Port=%d Cnt=%d Dev#=%d Spd=%f",
-		   &bus, &level, &trash, &port, &trash, &trash, &speed);
-	    break;
-	case 'D':
-	    sscanf(tmp, "D:  Ver=%f Cls=%x", &ver, &classid);
-	    break;
-	case 'P':
-	    sscanf(tmp, "P:  Vendor=%x ProdID=%x Rev=%f", &vendor, &prodid, &rev);
-	    break;
-	case 'S':
-	    if (strstr(tmp, "Manufacturer=")) {
-		manuf = g_strdup(strchr(tmp, '=') + 1);
-		remove_linefeed(manuf);
-	    } else if (strstr(tmp, "Product=")) {
-		product = g_strdup(strchr(tmp, '=') + 1);
-		remove_linefeed(product);
-	    }
-	    break;
-	case 'C':
-	    mxpwr = strstr(buffer, "MxPwr=") + 6;
-
-	    tmp = g_strdup_printf("USB%d", ++n);
-
-	    if (product && *product == '\0') {
-		g_free(product);
-		if (classid == 9) {
-		    product = g_strdup_printf(_("USB %.2f Hub"), ver);
-		} else {
-		    product = g_strdup_printf(_("Unknown USB %.2f Device (class %d)"), ver, classid);
-		}
-	    }
-
-        if (classid == 9) {	/* hub */
-            usb_list = h_strdup_cprintf("[%s#%d]\n", usb_list, product, n);
-        } else {		/* everything else */
-            usb_list = h_strdup_cprintf("$%s$%s=\n", usb_list, tmp, product);
-
-        EMPIFNULL(manuf);
-        const gchar *v_url = vendor_get_url(manuf);
-        const gchar *v_name = vendor_get_name(manuf);
-        gchar *v_str = NULL;
-        if (strlen(manuf)) {
-            if (v_url != NULL)
-                v_str = g_strdup_printf("%s (%s)", v_name, v_url);
-            else
-                v_str = g_strdup_printf("%s", manuf);
-        }
-        UNKIFNULL(v_str);
-        UNKIFNULL(product);
-
-        gchar *strhash = g_strdup_printf("[%s]\n" "%s=%s\n" "%s=%s\n",
-                        _("Device Information"),
-                        _("Product"), product,
-                        _("Manufacturer"), v_str);
-
-        strhash = h_strdup_cprintf("[%s #%d]\n"
-                  /* Speed */       "%s=%.2f %s\n"
-                  /* Max Current */ "%s=%s\n"
-                       "[%s]\n"
-                  /* USB Version */ "%s=%.2f\n"
-                  /* Revision */    "%s=%.2f\n"
-                  /* Class */       "%s=0x%x\n"
-                  /* Vendor */      "%s=0x%x\n"
-                  /* Product ID */  "%s=0x%x\n"
-                  /* Bus */         "%s=%d\n"
-                  /* Level */       "%s=%d\n",
-                       strhash,
-                       _("Port"), port,
-                       _("Speed"), speed, _("Mbit/s"),
-                       _("Max Current"), mxpwr,
-                       _("Misc"),
-                       _("USB Version"), ver,
-                       _("Revision"), rev,
-                       _("Class"), classid,
-                       _("Vendor ID"), vendor,
-                       _("Product ID"), prodid,
-                       _("Bus"), bus,
-                       _("Level"), level);
-
-        moreinfo_add_with_prefix("DEV", tmp, strhash);
-        g_free(v_str);
-        g_free(tmp);
-        }
-
-	    g_free(manuf);
-	    g_free(product);
-	    manuf = NULL;
-	    product = NULL;
-	    port = classid = 0;
-	}
-    }
-
-    fclose(dev);
-
-    return n > 0;
-}
-
-
-static void __scan_usb_lsusb_add_device(char *buffer, int bufsize, FILE * lsusb, int usb_device_number)
-{
-    gint bus, device, vendor_id, product_id;
-    gchar *version = NULL, *product = NULL, *vendor = NULL, *dev_class = NULL, *int_class = NULL;
-    gchar *max_power = NULL, *name = NULL;
-    gchar *tmp, *strhash;
-    long position = 0;
-
-    g_strstrip(buffer);
-    sscanf(buffer, "Bus %d Device %d: ID %x:%x", &bus, &device, &vendor_id, &product_id);
-    name = g_strdup(buffer + 33);
-
-    for (fgets(buffer, bufsize, lsusb); position >= 0 && fgets(buffer, bufsize, lsusb); position = ftell(lsusb)) {
-	g_strstrip(buffer);
-
-	if (g_str_has_prefix(buffer, "idVendor")) {
-	    g_free(vendor);
-	    vendor = g_strdup(buffer + 26);
-	} else if (g_str_has_prefix(buffer, "idProduct")) {
-	    g_free(product);
-	    product = g_strdup(buffer + 26);
-	} else if (g_str_has_prefix(buffer, "MaxPower")) {
-	    g_free(max_power);
-	    max_power = g_strdup(buffer + 9);
-	} else if (g_str_has_prefix(buffer, "bcdUSB")) {
-	    g_free(version);
-	    version = g_strdup(buffer + 7);
-	} else if (g_str_has_prefix(buffer, "bDeviceClass")) {
-	    g_free(dev_class);
-	    dev_class = g_strdup(buffer + 14);
-	} else if (g_str_has_prefix(buffer, "bInterfaceClass")) {
-	    g_free(int_class);
-	    int_class = g_strdup(buffer + 16);
-	} else if (g_str_has_prefix(buffer, "Bus ")) {
-	    /* device separator */
-	    fseek(lsusb, position, SEEK_SET);
-	    break;
-	}
-    }
-
-    if (dev_class && strstr(dev_class, "0 (Defined at Interface level)")) {
-        g_free(dev_class);
-        if (int_class) {
-            dev_class = int_class;
-        } else {
-            dev_class = g_strdup(_("(Unknown)"));
-        }
-    } else
-    dev_class = g_strdup(_("(Unknown)"));
-
-    tmp = g_strdup_printf("USB%d", usb_device_number);
-    usb_list = h_strdup_cprintf("$%s$%s=\n", usb_list, tmp, name);
-
-    const gchar *v_url = vendor_get_url(vendor);
-    const gchar *v_name = vendor_get_name(vendor);
-    gchar *v_str;
-    if (v_url != NULL) {
-        v_str = g_strdup_printf("%s (%s)", v_name, v_url);
-    } else {
-        v_str = g_strdup_printf("%s", g_strstrip(vendor) );
-    }
-
-    if (max_power != NULL) {
-        int mA = atoi(g_strstrip(max_power));
-        gchar *trent_steel = g_strdup_printf("%d %s", mA, _("mA"));
-        g_free(max_power);
-        max_power = trent_steel;
-    }
-
-    UNKIFNULL(product);
-    UNKIFNULL(v_str);
-    UNKIFNULL(max_power);
-    UNKIFNULL(version);
-    UNKIFNULL(dev_class);
-
-    strhash = g_strdup_printf("[%s]\n"
-             /* Product */      "%s=%s\n"
-             /* Manufacturer */ "%s=%s\n"
-             /* Max Current */  "%s=%s\n"
-                            "[%s]\n"
-             /* USB Version */ "%s=%s\n"
-             /* Class */       "%s=%s\n"
-             /* Vendor ID */   "%s=0x%x\n"
-             /* Product ID */  "%s=0x%x\n"
-             /* Bus */         "%s=%d\n",
-                _("Device Information"),
-                _("Product"), g_strstrip(product),
-                _("Vendor"), v_str,
-                _("Max Current"), g_strstrip(max_power),
-                _("Misc"),
-                _("USB Version"), g_strstrip(version),
-                _("Class"), g_strstrip(dev_class),
-                _("Vendor ID"), vendor_id,
-                _("Product ID"), product_id,
-                _("Bus"), bus);
-
-    moreinfo_add_with_prefix("DEV", tmp, strhash);
-    g_free(v_str);
-    g_free(vendor);
-    g_free(product);
-    g_free(max_power);
-    g_free(dev_class);
-    g_free(version);
-    g_free(tmp);
-    g_free(name);
-}
-
-static gboolean __scan_usb_lsusb(void)
-{
-    static gchar *lsusb_path = NULL;
-    int usb_device_number = 0;
-    FILE *lsusb;
-    FILE *temp_lsusb;
-    char buffer[512], *temp;
-
-    if (!lsusb_path) {
-        if (!(lsusb_path = find_program("lsusb"))) {
-            DEBUG("lsusb not found");
-
-            return FALSE;
-        }
-    }
-
-    temp = g_strdup_printf("%s -v | tr '[]' '()'", lsusb_path);
-    if (!(lsusb = popen(temp, "r"))) {
-        DEBUG("cannot run %s", lsusb_path);
-
-        g_free(temp);
-        return FALSE;
-    }
-
-    temp_lsusb = tmpfile();
-    if (!temp_lsusb) {
-        DEBUG("cannot create temporary file for lsusb");
-        pclose(lsusb);
-	 g_free(temp);
-        return FALSE;
-    }
-
-    while (fgets(buffer, sizeof(buffer), lsusb)) {
-        fputs(buffer, temp_lsusb);
-    }
-
-    pclose(lsusb);
-
-    // rewind file so we can read from it
-    fseek(temp_lsusb, 0, SEEK_SET);
-
-    g_free(temp);
-
-    if (usb_list) {
-       moreinfo_del_with_prefix("DEV:USB");
-        g_free(usb_list);
-    }
-    usb_list = g_strdup_printf("[%s]\n", _("USB Devices"));
-
-    while (fgets(buffer, sizeof(buffer), temp_lsusb)) {
-        if (g_str_has_prefix(buffer, "Bus ")) {
-           __scan_usb_lsusb_add_device(buffer, sizeof(buffer), temp_lsusb, ++usb_device_number);
-        }
-    }
-
-    fclose(temp_lsusb);
-
-    return usb_device_number > 0;
-}
-
 #define UNKIFNULL_AC(f) (f != NULL) ? f : _("(Unknown)");
 
 static void _usb_dev(const usbd *u) {
@@ -482,34 +79,27 @@ static void _usb_dev(const usbd *u) {
     g_free(key);
 }
 
-static gboolean __scan_usb_util(void) {
+void __scan_usb(void) {
     usbd *list = usb_get_device_list();
     usbd *curr = list;
 
     int c = usbd_list_count(list);
 
-    if (c > 0) {
-        if (usb_list) {
-            moreinfo_del_with_prefix("DEV:USB");
-            g_free(usb_list);
-        }
-        usb_list = g_strdup_printf("[%s]\n", _("USB Devices"));
+    if (usb_list) {
+        moreinfo_del_with_prefix("DEV:USB");
+        g_free(usb_list);
+    }
+    usb_list = g_strdup_printf("[%s]\n", _("USB Devices"));
 
+    if (c > 0) {
         while(curr) {
             _usb_dev(curr);
             curr=curr->next;
         }
 
         usbd_list_free(list);
-        return TRUE;
+    } else {
+        /* No USB? */
+        usb_list = g_strconcat(usb_list, _("No USB devices found."), "=\n", NULL);
     }
-    return FALSE;
-}
-
-void __scan_usb(void)
-{
-    if (!__scan_usb_util())
-        if (!__scan_usb_procfs())
-            if (!__scan_usb_sysfs())
-                __scan_usb_lsusb();
 }