1 /* ovirt viewer console application
2 * Copyright (C) 2008 Red Hat Inc.
3 * Written by Richard W.M. Jones <rjones@redhat.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef OVIRT_VIEWER_INTERNAL_H
21 #define OVIRT_VIEWER_INTERNAL_H
23 #ifndef G_THREADS_ENABLED
24 #error "This program requires GLib threads, and cannot be compiled without."
27 /* Debugging messages are always compiled in, but have to
28 * be turned on using the --debug command line switch.
30 extern gboolean debug;
32 #define DEBUG(fs,...) \
35 fprintf (stderr, "%s:%d: [thread %p] ", __FILE__, __LINE__, \
37 fprintf (stderr, (fs), ## __VA_ARGS__); \
38 fprintf (stderr, "\n"); \
42 /* String equality tests, suggested by Jim Meyering. */
43 #define STREQ(a,b) (strcmp((a),(b)) == 0)
44 #define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0)
45 #define STRNEQ(a,b) (strcmp((a),(b)) != 0)
46 #define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0)
47 #define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
48 #define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0)
49 #define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0)
50 #define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0)
51 #define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
53 /* Communications between the main thread and the WUI thread. For
54 * an explanation of the threading model, please see the comment in
58 extern void start_wui_thread (void);
59 extern void stop_wui_thread (void);
61 /* These are messages (instructions) which can be sent from the main
62 * thread to the WUI thread.
65 /* Start connecting to WUI, and set the base URI. */
66 extern void wui_thread_send_connect (const char *uri);
68 /* Disconnect, forget URI, credentials, VMs etc. */
69 extern void wui_thread_send_disconnect (void);
71 /* Set the username and password and tell the WUI to try to log in. */
72 extern void wui_thread_send_login (const char *username, const char *password);
74 /* Tell the WUI thread to refresh the VM list. Note that the WUI
75 * thread does this automatically anyway after a successful login, and
76 * it also periodically updates the list. This call just tells it to
79 extern void wui_thread_send_refresh_vm_list (void);
81 /* Retrieve the list of VMs.
83 * NB: Caller must call free_vmlist once it is done with the list.
85 * This can return NULL if the WUI thread doesn't have a valid
86 * list of VMs to return to the caller. In the case of a valid,
87 * empty list, you will get a non-NULL GSList pointer to an empty
90 extern GSList *wui_thread_get_vmlist (void);
91 extern void free_vmlist (GSList *vmlist);
93 /* Returns true if the WUI thread thinks it is connected to a remote
94 * WUI. REST is connectionless so really this means that we
95 * successfully made an HTTP/HTTPS request "recently", and we haven't
96 * seen any errors above a certain threshold.
98 extern gboolean wui_thread_is_connected (void);
100 /* Returns true if we successfully logged in with the username
101 * and password supplied in a recent request, and we haven't
102 * received any authorization failures since.
104 extern gboolean wui_thread_is_logged_in (void);
106 /* Returns true if we have a valid list of VMs. Note that because
107 * of race conditions, this doesn't guarantee that wui_thread_get_vmlist
110 extern gboolean wui_thread_has_valid_vmlist (void);
112 /* Returns true if the WUI thread is busy performing a request
115 extern gboolean wui_thread_is_busy (void);
117 #endif /* OVIRT_VIEWER_INTERNAL_H */