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Diffstat (limited to 'nx-X11/lib/X11/OpenDis.c')
-rw-r--r--nx-X11/lib/X11/OpenDis.c200
1 files changed, 148 insertions, 52 deletions
diff --git a/nx-X11/lib/X11/OpenDis.c b/nx-X11/lib/X11/OpenDis.c
index 6b022d409..a17b8b161 100644
--- a/nx-X11/lib/X11/OpenDis.c
+++ b/nx-X11/lib/X11/OpenDis.c
@@ -53,10 +53,14 @@ in this Software without prior written authorization from The Open Group.
#include <config.h>
#endif
#include "Xlibint.h"
+#if USE_XCB
+#include "Xxcbint.h"
+#else /* !USE_XCB */
#include <nx-X11/Xtrans/Xtrans.h>
+#include <nx-X11/extensions/bigreqstr.h>
+#endif /* USE_XCB */
#include <nx-X11/Xatom.h>
#include <nx-X11/Xresource.h>
-#include <nx-X11/extensions/bigreqstr.h>
#include <stdio.h>
#include "Xintconn.h"
@@ -68,6 +72,7 @@ in this Software without prior written authorization from The Open Group.
extern void *_X11TransSocketProxyConnInfo(XtransConnInfo);
#endif
+#if !USE_XCB
#ifdef X_NOT_POSIX
#define Size_t unsigned int
#else
@@ -80,6 +85,7 @@ typedef struct {
unsigned long seq;
int opcode;
} _XBigReqState;
+#endif /* !USE_XCB */
#ifdef XTHREADS
#include "locking.h"
@@ -98,10 +104,12 @@ static xReq _dummy_request = {
};
static void OutOfMemory(Display *dpy, char *setup);
+#if !USE_XCB
static Bool _XBigReqHandler(Display *dpy, xReply *rep, char *buf, int len,
XPointer data);
+#endif /* !USE_XCB */
-/*
+/*
* Connects to a server, creates a Display object and returns a pointer to
* the newly created Display back to the caller.
*/
@@ -113,15 +121,19 @@ XOpenDisplay (
register int i;
int j, k; /* random iterator indexes */
char *display_name; /* pointer to display name */
+#if !USE_XCB
int endian; /* to determine which endian. */
xConnClientPrefix client; /* client information */
- xConnSetupPrefix prefix; /* prefix information */
- int vendorlen; /* length of vendor string */
+ int idisplay; /* display number */
+ int prefixread = 0; /* setup prefix already read? */
+ char *conn_auth_name, *conn_auth_data;
+ int conn_auth_namelen, conn_auth_datalen;
+#endif /* !USE_XCB */
char *setup = NULL; /* memory allocated at startup */
char *fullname = NULL; /* expanded name of display */
- int idisplay; /* display number */
int iscreen; /* screen number */
- int prefixread = 0; /* setup prefix already read? */
+ xConnSetupPrefix prefix; /* prefix information */
+ int vendorlen; /* length of vendor string */
union {
xConnSetup *setup;
char *failure;
@@ -133,20 +145,20 @@ XOpenDisplay (
} u; /* proto data returned from server */
long setuplength; /* number of bytes in setup message */
long usedbytes = 0; /* number of bytes we have processed */
- char *conn_auth_name, *conn_auth_data;
- int conn_auth_namelen, conn_auth_datalen;
unsigned long mask;
- long int conn_buf_size;
- char *xlib_buffer_size;
+ long int conn_buf_size;
+ char *xlib_buffer_size;
+#if !USE_XCB
bzero((char *) &client, sizeof(client));
bzero((char *) &prefix, sizeof(prefix));
+#endif /* !USE_XCB */
#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
fprintf(stderr, "\nXOpenDisplay: Called with display [%s].\n", display);
#endif
/*
- * If the display specifier string supplied as an argument to this
+ * If the display specifier string supplied as an argument to this
* routine is NULL or a pointer to NULL, read the DISPLAY variable.
*/
if (display == NULL || *display == '\0') {
@@ -159,6 +171,7 @@ XOpenDisplay (
/* Display is non-NULL, copy the pointer */
display_name = (char *)display;
}
+
/*
* Set the default error handlers. This allows the global variables to
* default to NULL for use with shared libraries.
@@ -179,6 +192,32 @@ XOpenDisplay (
* will set fullname to point to the expanded name.
*/
+#if USE_XCB
+ if(!_XConnectXCB(dpy, display, &fullname, &iscreen)) {
+ /* Try falling back on other transports if no transport specified */
+ const char *slash = strrchr(display_name, '/');
+ if(slash == NULL) {
+ const char *protocols[] = {"local", "unix", "tcp", "inet6", "inet", NULL};
+ const char **s;
+ size_t buf_size = strlen(display_name) + 7; // max strlen + 2 (null + /)
+ char *buf = Xmalloc(buf_size * sizeof(char));
+
+ if(buf) {
+ for(s = protocols; buf && *s; s++) {
+ snprintf(buf, buf_size, "%s/%s", *s, display_name);
+ if(_XConnectXCB(dpy, buf, &fullname, &iscreen))
+ goto fallback_success;
+ }
+ Xfree(buf);
+ }
+ }
+
+ dpy->display_name = fullname;
+ OutOfMemory(dpy, NULL);
+ return NULL;
+ }
+fallback_success:
+#else /* !USE_XCB */
if ((dpy->trans_conn = _X11TransConnectDisplay (
display_name, &fullname, &idisplay,
&iscreen, &conn_auth_name,
@@ -189,6 +228,7 @@ XOpenDisplay (
}
dpy->fd = _X11TransGetConnectionNumber (dpy->trans_conn);
+#endif /* USE_XCB */
#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
fprintf(stderr, "\nXOpenDisplay: Connected display with dpy->fd = [%d].\n", dpy->fd);
@@ -274,7 +314,7 @@ XOpenDisplay (
if (!_XPollfdCacheInit(dpy)) {
OutOfMemory (dpy, setup);
return(NULL);
- }
+ }
/* Set up the output buffers. */
#ifndef XLIBDEFAULTBUFSIZE
@@ -283,23 +323,34 @@ XOpenDisplay (
#ifndef XLIBMINBUFSIZE
#define XLIBMINBUFSIZE BUFSIZE /* old default buffer size */
#endif
- if ((xlib_buffer_size = getenv("XLIBBUFFERSIZE")) == NULL)
- conn_buf_size = XLIBDEFAULTBUFSIZE;
- else
- conn_buf_size = 1024 * strtol(xlib_buffer_size, NULL, 10);
- if (conn_buf_size < XLIBMINBUFSIZE)
- conn_buf_size = XLIBMINBUFSIZE;
+ xlib_buffer_size = getenv("XLIBBUFFERSIZE");
+
+#ifdef __sun /* Backwards compatibility for old Solaris libX11 name */
+ if (xlib_buffer_size == NULL)
+ xlib_buffer_size = getenv("XSUNBUFFERSIZE");
+#endif
+
+ if (xlib_buffer_size == NULL)
+ conn_buf_size = XLIBDEFAULTBUFSIZE;
+ else
+ conn_buf_size = 1024 * strtol(xlib_buffer_size, NULL, 10);
+ if (conn_buf_size < XLIBMINBUFSIZE)
+ conn_buf_size = XLIBMINBUFSIZE;
#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
fprintf (stderr, "Xlib: Running with XLIBBUFFERSIZE [%d] XLIBMINBUFSIZE [%d] "
"buffer size [%ld].\n", XLIBDEFAULTBUFSIZE, XLIBMINBUFSIZE, conn_buf_size);
#endif
- if ((dpy->bufptr = dpy->buffer = Xcalloc(1, conn_buf_size)) == NULL) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
- dpy->bufmax = dpy->buffer + conn_buf_size;
-
+ if ((dpy->bufptr = dpy->buffer = Xcalloc(1, conn_buf_size)) == NULL) {
+ OutOfMemory (dpy, setup);
+ return(NULL);
+ }
+ dpy->bufmax = dpy->buffer + conn_buf_size;
+#if USE_XCB
+ dpy->xcb->real_bufmax = dpy->bufmax;
+ dpy->bufmax = dpy->buffer;
+#endif
+
/* Set up the input event queue and input event queue parameters. */
dpy->head = dpy->tail = NULL;
dpy->qlen = 0;
@@ -312,10 +363,11 @@ XOpenDisplay (
return(NULL);
}
+#if !USE_XCB
/*
* The xConnClientPrefix describes the initial connection setup information
* and is followed by the authorization information. Sites that are interested
- * in security are strongly encouraged to use an authentication and
+ * in security are strongly encouraged to use an authentication and
* authorization system such as Kerberos.
*/
endian = 1;
@@ -373,7 +425,18 @@ XOpenDisplay (
Xfree ((char *)dpy);
return(NULL);
}
+#endif /* !USE_XCB */
+#if USE_XCB
+ {
+ const struct xcb_setup_t *xcbsetup = xcb_get_setup(dpy->xcb->connection);
+ memcpy(&prefix, xcbsetup, sizeof(prefix));
+ setuplength = prefix.length << 2;
+ setup = (char *) xcbsetup;
+ setup += SIZEOF(xConnSetupPrefix);
+ u.setup = (xConnSetup *) setup;
+ }
+#else /* !USE_XCB */
setuplength = prefix.length << 2;
if ( (u.setup = (xConnSetup *)
(setup = Xmalloc ((unsigned) setuplength))) == NULL) {
@@ -389,7 +452,7 @@ XOpenDisplay (
*/
if (prefix.success != xTrue) {
/* XXX - printing messages marks a bad programming interface */
- fprintf (stderr,
+ fprintf (stderr,
"Xlib: connection to \"%s\" refused by server\r\nXlib: ",
fullname);
@@ -404,6 +467,7 @@ XOpenDisplay (
OutOfMemory(dpy, setup);
return (NULL);
}
+#endif /* USE_XCB */
/*
* Check if the reply was long enough to get any information out of it.
@@ -443,7 +507,7 @@ XOpenDisplay (
OutOfMemory(dpy, setup);
return (NULL);
}
-
+
while (!(mask & 1)) {
dpy->resource_shift++;
mask = mask >> 1;
@@ -480,15 +544,12 @@ XOpenDisplay (
(void) strncpy(dpy->vendor, u.vendor, vendorlen);
dpy->vendor[vendorlen] = '\0';
vendorlen = (vendorlen + 3) & ~3; /* round up */
+ u.vendor += vendorlen;
-
- memmove (setup, u.vendor + vendorlen,
- (int) setuplength - sz_xConnSetup - vendorlen);
- u.vendor = setup;
/*
* Now iterate down setup information.....
*/
- dpy->pixmap_format =
+ dpy->pixmap_format =
(ScreenFormat *)Xmalloc(
(unsigned) (dpy->nformats *sizeof(ScreenFormat)));
if (dpy->pixmap_format == NULL) {
@@ -518,7 +579,7 @@ XOpenDisplay (
/*
* next the Screen structures.
*/
- dpy->screens =
+ dpy->screens =
(Screen *)Xmalloc((unsigned) dpy->nscreens*sizeof(Screen));
if (dpy->screens == NULL) {
OutOfMemory (dpy, setup);
@@ -539,7 +600,7 @@ XOpenDisplay (
return(NULL);
}
- root_visualID = u.rp->rootVisualID;
+ root_visualID = u.rp->rootVisualID;
sp->display = dpy;
sp->root = u.rp->windowId;
sp->cmap = u.rp->defaultColormap;
@@ -579,12 +640,12 @@ XOpenDisplay (
OutOfMemory (dpy, setup);
return(NULL);
}
-
+
dp->depth = u.dp->depth;
dp->nvisuals = u.dp->nVisuals;
u.dp = (xDepth *) (((char *) u.dp) + sz_xDepth);
if (dp->nvisuals > 0) {
- dp->visuals =
+ dp->visuals =
(Visual *)Xmalloc((unsigned)dp->nvisuals*sizeof(Visual));
if (dp->visuals == NULL) {
OutOfMemory (dpy, setup);
@@ -599,7 +660,7 @@ XOpenDisplay (
OutOfMemory (dpy, setup);
return(NULL);
}
-
+
vp->visualid = u.vp->visualID;
vp->class = u.vp->class;
vp->bits_per_rgb= u.vp->bitsPerRGB;
@@ -637,7 +698,9 @@ XOpenDisplay (
* Now start talking to the server to setup all other information...
*/
+#if !USE_XCB
Xfree (setup); /* all finished with setup information */
+#endif /* !USE_XCB */
/*
* Make sure default screen is legal.
@@ -647,10 +710,18 @@ XOpenDisplay (
return(NULL);
}
+#if !USE_XCB
/*
* finished calling internal routines, now unlock for external routines
*/
UnlockDisplay(dpy);
+#endif /* !USE_XCB */
+
+#if USE_XCB
+ dpy->bigreq_size = xcb_get_maximum_request_length(dpy->xcb->connection);
+ if(dpy->bigreq_size <= dpy->max_request_size)
+ dpy->bigreq_size = 0;
+#endif /* USE_XCB */
/*
* Set up other stuff clients are always going to use.
@@ -679,11 +750,12 @@ XOpenDisplay (
*/
LockDisplay(dpy);
{
+ xGetPropertyReply reply;
+ xGetPropertyReq *req;
+#if !USE_XCB
_XAsyncHandler async;
_XBigReqState async_state;
xQueryExtensionReq *qreq;
- xGetPropertyReply reply;
- xGetPropertyReq *req;
xBigReqEnableReq *breq;
xBigReqEnableReply brep;
@@ -697,6 +769,7 @@ XOpenDisplay (
qreq->nbytes = bignamelen;
qreq->length += (bignamelen+3)>>2;
Data(dpy, XBigReqExtensionName, bignamelen);
+#endif /* !USE_XCB */
GetReq (GetProperty, req);
req->window = RootWindow(dpy, 0);
@@ -717,6 +790,7 @@ XOpenDisplay (
else if (reply.propertyType != None)
_XEatData(dpy, reply.nItems * (reply.format >> 3));
}
+#if !USE_XCB
DeqAsyncHandler(dpy, &async);
if (async_state.opcode) {
GetReq(BigReqEnable, breq);
@@ -725,6 +799,7 @@ XOpenDisplay (
if (_XReply(dpy, (xReply *)&brep, 0, xFalse))
dpy->bigreq_size = brep.max_request_size;
}
+#endif /* !USE_XCB */
}
UnlockDisplay(dpy);
@@ -746,13 +821,14 @@ XOpenDisplay (
return(dpy);
}
+#if !USE_XCB
static Bool
-_XBigReqHandler(dpy, rep, buf, len, data)
- register Display *dpy;
- register xReply *rep;
- char *buf;
- int len;
- XPointer data;
+_XBigReqHandler(
+ register Display *dpy,
+ register xReply *rep,
+ char *buf,
+ int len,
+ XPointer data)
{
_XBigReqState *state;
xQueryExtensionReply replbuf;
@@ -771,9 +847,10 @@ _XBigReqHandler(dpy, rep, buf, len, data)
state->opcode = repl->major_opcode;
return True;
}
+#endif /* !USE_XCB */
-/* XFreeDisplayStructure frees all the storage associated with a
+/* XFreeDisplayStructure frees all the storage associated with a
* Display. It is used by XOpenDisplay if it runs out of memory,
* and also by XCloseDisplay. It needs to check whether all pointers
* are non-NULL before dereferencing them, since it may be called
@@ -782,9 +859,19 @@ _XBigReqHandler(dpy, rep, buf, len, data)
* before the first possible call on this.
*/
-void _XFreeDisplayStructure(dpy)
- register Display *dpy;
+void _XFreeDisplayStructure(Display *dpy)
{
+ /* move all cookies in the EQ to the jar, then free them. */
+ if (dpy->qfree) {
+ _XQEvent *qelt = dpy->qfree;
+ while (qelt) {
+ if (_XIsEventCookie(dpy, &qelt->event))
+ _XStoreEventCookie(dpy, &qelt->event);
+ qelt = qelt->next;
+ }
+ }
+ if (dpy->cookiejar)
+ _XFreeEventCookies(dpy);
while (dpy->ext_procs) {
_XExtension *ext = dpy->ext_procs;
dpy->ext_procs = ext->next;
@@ -844,7 +931,7 @@ void _XFreeDisplayStructure(dpy)
Xfree ((char *)dpy->screens);
}
-
+
if (dpy->pixmap_format) {
register int i;
@@ -898,17 +985,26 @@ void _XFreeDisplayStructure(dpy)
if (dpy->filedes)
Xfree (dpy->filedes);
+#if USE_XCB
+ _XFreeX11XCBStructure(dpy);
+#endif /* USE_XCB */
+
Xfree ((char *)dpy);
}
/* OutOfMemory is called if malloc fails. XOpenDisplay returns NULL
after this returns. */
-static void OutOfMemory (dpy, setup)
- Display *dpy;
- char *setup;
+static void OutOfMemory(Display *dpy, char *setup)
{
+#if USE_XCB
+ if(dpy->xcb->connection)
+ xcb_disconnect(dpy->xcb->connection);
+#else /* !USE_XCB */
_XDisconnectDisplay (dpy->trans_conn);
+#endif /* USE_XCB */
_XFreeDisplayStructure (dpy);
+#if !USE_XCB
if (setup) Xfree (setup);
+#endif /* !USE_XCB */
}
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