main.c revision e1db7cd1 
1/*
2 * Font server main routine
3 */
4/*
5
6Copyright 1990, 1991, 1998  The Open Group
7
8Permission to use, copy, modify, distribute, and sell this software and its
9documentation for any purpose is hereby granted without fee, provided that
10the above copyright notice appear in all copies and that both that
11copyright notice and this permission notice appear in supporting
12documentation.
13
14The above copyright notice and this permission notice shall be included in
15all copies or substantial portions of the Software.
16
17THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
20OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23
24Except as contained in this notice, the name of The Open Group shall not be
25used in advertising or otherwise to promote the sale, use or other dealings
26in this Software without prior written authorization from The Open Group.
27
28 * Copyright 1990, 1991 Network Computing Devices;
29 * Portions Copyright 1987 by Digital Equipment Corporation
30 *
31 * Permission to use, copy, modify, distribute, and sell this software and
32 * its documentation for any purpose is hereby granted without fee, provided
33 * that the above copyright notice appear in all copies and that both that
34 * copyright notice and this permission notice appear in supporting
35 * documentation, and that the names of Network Computing Devices or Digital
36 * not be used in advertising or publicity pertaining to distribution
37 * of the software without specific, written prior permission.
38 *
39 * NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH
40 * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
41 * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES,
42 * OR DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
43 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
44 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
45 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
46 * THIS SOFTWARE.
47 */
48
49#include	"config.h"
50
51#include	<stdlib.h>
52#include	<sys/types.h>
53#include	<sys/stat.h>
54#include	<X11/fonts/FS.h>
55#include	<X11/fonts/FSproto.h>
56#include	"clientstr.h"
57#include	"fsresource.h"
58#include	"misc.h"
59#include	"globals.h"
60#include	"servermd.h"
61#include	"site.h"
62#include	"dispatch.h"
63#include	"extentst.h"
64#include	"difs.h"
65
66char       *ConnectionInfo;
67int         ConnInfoLen;
68
69static Bool create_connection_block(void);
70
71char       *configfilename;
72
73int
74main(int argc, char *argv[])
75{
76    int         i, oldumask;
77
78    argcGlobal = argc;
79    argvGlobal = argv;
80
81    configfilename = NULL;
82
83    /* init stuff */
84    ProcessCmdLine(argc, argv);
85
86    /*
87     * Do this first thing, to get any options that only take effect at
88     * startup time.  It is read again each time the server resets.
89     */
90    if (ReadConfigFile(configfilename) != FSSuccess) {
91	FatalError("couldn't read config file\n");
92    }
93    InitErrors();
94
95    /* make sure at least world write access is disabled */
96    if (((oldumask = umask(022)) & 002) == 002)
97	(void)umask(oldumask);
98
99    SetDaemonState();
100    SetUserId();
101
102    while (1) {
103	serverGeneration++;
104	OsInit();
105	if (serverGeneration == 1) {
106	    /* do first time init */
107	    CreateSockets(OldListenCount, OldListen);
108	    InitProcVectors();
109	    clients = (ClientPtr *) FSallocarray(MAXCLIENTS, sizeof(ClientPtr));
110	    if (!clients)
111		FatalError("couldn't create client array\n");
112	    for (i = MINCLIENT; i < MAXCLIENTS; i++)
113		clients[i] = NullClient;
114	    /* make serverClient */
115	    serverClient = (ClientPtr) FSalloc(sizeof(ClientRec));
116	    if (!serverClient)
117		FatalError("couldn't create server client\n");
118	}
119	ResetSockets();
120
121	/* init per-cycle stuff */
122	InitClient(serverClient, SERVER_CLIENT, (pointer) 0);
123
124	clients[SERVER_CLIENT] = serverClient;
125	currentMaxClients = MINCLIENT;
126	currentClient = serverClient;
127
128	if (!InitClientResources(serverClient))
129	    FatalError("couldn't init server resources\n");
130
131	InitAtoms();
132	InitFonts();
133	SetConfigValues();
134	if (!create_connection_block())
135	    FatalError("couldn't create connection block\n");
136
137#ifdef DEBUG
138	fprintf(stderr, "Entering Dispatch loop\n");
139#endif
140
141	Dispatch();
142
143#ifdef DEBUG
144	fprintf(stderr, "Leaving Dispatch loop\n");
145#endif
146
147	/* clean up per-cycle stuff */
148	if ((dispatchException & DE_TERMINATE) || drone_server)
149	    break;
150	FSfree(ConnectionInfo);
151	/* note that we're parsing it again, for each time the server resets */
152	if (ReadConfigFile(configfilename) != FSSuccess)
153	    FatalError("couldn't read config file\n");
154    }
155
156    CloseSockets();
157    CloseErrors();
158    exit(0);
159}
160
161static Bool
162create_connection_block(void)
163{
164    fsConnSetupAccept setup;
165    char       *pBuf;
166
167    setup.release_number = VENDOR_RELEASE;
168    setup.vendor_len = strlen(VENDOR_STRING);
169    setup.max_request_len = MAX_REQUEST_SIZE;
170    setup.length = (SIZEOF(fsConnSetupAccept) + setup.vendor_len + 3) >> 2;
171
172    ConnInfoLen = SIZEOF(fsConnSetupAccept) + ((setup.vendor_len + 3) & ~3);
173    ConnectionInfo = (char *) FSalloc(ConnInfoLen);
174    if (!ConnectionInfo)
175	return FALSE;
176
177    memcpy(ConnectionInfo, &setup, SIZEOF(fsConnSetupAccept));
178    pBuf = ConnectionInfo + SIZEOF(fsConnSetupAccept);
179    memcpy(pBuf, VENDOR_STRING, (int) setup.vendor_len);
180
181    return TRUE;
182}
183