Changeset 07b39338 in mainline for uspace/app/devctl/devctl.c

Timestamp:

2011-08-20T18:21:49Z (13 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6ab014d

Parents:

0cf27ee (diff), f00af83 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge libposix.

File:

• uspace/app/devctl/devctl.c (moved) (moved from uspace/app/tester/devs/devman2.c ) (2 diffs)

uspace/app/devctl/devctl.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2011 Vojtech Horky
+ * Copyright (c) 2011 Jiri Svoboda
  * All rights reserved.
  *
@@ -27 +27 @@
  */
 
-/** @addtogroup tester
- * @brief Test devman service.
+/** @addtogroup devctl
  * @{
  */
-/**
- * @file
+/** @file Control device framework (devman server).
  */
 
-#include <inttypes.h>
+#include <devman.h>
 #include <errno.h>
-#include <str_error.h>
-#include <sys/types.h>
-#include <async.h>
-#include <devman.h>
-#include <str.h>
-#include <async.h>
-#include <vfs/vfs.h>
-#include <vfs/vfs_sess.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include "../tester.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/typefmt.h>
 
-#define DEVICE_CLASS "test3"
+#define NAME "devctl"
 
-const char *test_devman2(void)
+#define MAX_NAME_LENGTH 1024
+
+static int fun_tree_print(devman_handle_t funh, int lvl)
 {
-        size_t idx = 1;
-        int rc = EOK;
-        const char *err_msg = NULL;
-        char *path = NULL;
-        while (rc == EOK) {
-                rc = asprintf(&path, "/loc/class/%s\\%zu", DEVICE_CLASS, idx);
-                if (rc < 0) {
-                        continue;
-                }
-                int fd = open(path, O_RDONLY);
-                if (fd < 0) {
-                        TPRINTF("Failed opening `%s': %s.\n",
-                            path, str_error(fd));
-                        rc = fd;
-                        err_msg = "Failed opening file";
-                        continue;
-                }
-                async_sess_t *sess = fd_session(EXCHANGE_SERIALIZE, fd);
-                close(fd);
-                if (sess == NULL) {
-                        TPRINTF("Failed opening phone: %s.\n", str_error(errno));
-                        rc = errno;
-                        err_msg = "Failed opening file descriptor phone";
-                        continue;
-                }
-                async_hangup(sess);
-                TPRINTF("Path `%s' okay.\n", path);
-                free(path);
-                idx++;
-                rc = EOK;
+        char name[MAX_NAME_LENGTH];
+        devman_handle_t devh;
+        devman_handle_t *cfuns;
+        size_t count, i;
+        int rc;
+        int j;
+
+        for (j = 0; j < lvl; j++)
+                printf("    ");
+
+        rc = devman_fun_get_name(funh, name, MAX_NAME_LENGTH);
+        if (rc != EOK) {
+                str_cpy(name, MAX_NAME_LENGTH, "unknown");
+                return ENOMEM;
         }
-        
-        if (path != NULL)
-                free(path);
-        
-        return err_msg;
+
+        if (name[0] == '\0')
+                str_cpy(name, MAX_NAME_LENGTH, "/");
+
+        printf("%s (%" PRIun ")\n", name, funh);
+
+        rc = devman_fun_get_child(funh, &devh);
+        if (rc == ENOENT)
+                return EOK;
+
+        if (rc != EOK) {
+                printf(NAME ": Failed getting child device for function "
+                    "%s.\n", "xxx");
+                return rc;
+        }
+
+        rc = devman_dev_get_functions(devh, &cfuns, &count);
+        if (rc != EOK) {
+                printf(NAME ": Failed getting list of functions for "
+                    "device %s.\n", "xxx");
+                return rc;
+        }
+
+        for (i = 0; i < count; i++)
+                fun_tree_print(cfuns[i], lvl + 1);
+
+        free(cfuns);
+        return EOK;
+}
+
+int main(int argc, char *argv[])
+{
+        devman_handle_t root_fun;
+        int rc;
+
+        rc = devman_fun_get_handle("/", &root_fun, 0);
+        if (rc != EOK) {
+                printf(NAME ": Error resolving root function.\n");
+                return 1;
+        }
+
+        rc = fun_tree_print(root_fun, 0);
+        if (rc != EOK)
+                return 1;
+
+        return 0;
 }