mojosetup.c
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#include "universal.h"
#include "platform.h"
#include "fileio.h"
#include "gui.h"
/* !!! FIXME: None of these should be here. */
#include <dlfcn.h>
#include <unistd.h>
#include <time.h>
#include <sys/time.h>
int GArgc = 0;
char **GArgv = NULL;
MojoGui *GGui = NULL;
static boolean mojoInputToPhysicalFile(MojoInput *in, const char *fname)
{
FILE *out = NULL;
boolean iofailure = false;
char buf[1024];
size_t br;
STUBBED("mkdir first?");
if (in == NULL)
return false;
STUBBED("fopen?");
unlink(fname);
out = fopen(fname, "wb");
if (out == NULL)
return false;
while (!iofailure)
{
br = in->read(in, buf, sizeof (buf));
STUBBED("how to detect read failures?");
if (br == 0) /* we're done! */
break;
else if (br < 0)
iofailure = true;
else
{
if (fwrite(buf, br, 1, out) != 1)
iofailure = true;
} /* else */
} /* while */
fclose(out);
if (iofailure)
{
unlink(fname);
return false;
} /* if */
return true;
} /* mojoInputToPhysicalFile */
static void *loadGuiPlugin(MojoArchive *ar)
{
char fname[256];
void *retval = NULL;
boolean rc;
MojoInput *io = ar->openCurrentEntry(ar);
if (io == NULL)
return false;
STUBBED("Don't copy if it's a physical file already?");
STUBBED("Filename creation has to change");
{
struct timeval tv;
gettimeofday(&tv, NULL);
snprintf(fname, sizeof (fname), "/tmp/mojosetup-gui-%ld.so", tv.tv_sec);
}
rc = mojoInputToPhysicalFile(io, fname);
io->close(io);
if (rc)
{
retval = dlopen(fname, RTLD_NOW | RTLD_GLOBAL);
STUBBED("abstract out dlopen!");
if (retval != NULL)
{
STUBBED("abstract out dlsym, too. :)");
void *entry = dlsym(retval, MOJOGUI_ENTRY_POINT_STR);
if (entry == NULL) /* not a compatible plugin. */
{
STUBBED("aaaaaaand, dlclose")
dlclose(retval);
unlink(fname);
retval = NULL;
} /* if */
} /* if */
} /* if */
return retval;
} /* loadGuiPlugin */
typedef struct S_DLLLIST { void *lib; struct S_DLLLIST *next; } DllList;
static boolean findGuiPlugin(void)
{
const MojoArchiveEntryInfo *entinfo = NULL;
DllList plugins = { NULL, NULL };
DllList *i = NULL;
if (GGui != NULL)
return true;
STUBBED("DllList should track filename, isstatic, and entrypoint, too");
/*
* !!! FIXME: Have a global MojoArchive that represents the install
* !!! FIXME: (either an archive, a physical dir, etc.)
*/
STUBBED("use a global MojoArchive for basedir");
MojoArchive *dir = MojoArchive_newFromDirectory(".");
if (dir == NULL)
return false;
dir->restartEnumeration(dir);
while ((entinfo = dir->enumEntry(dir)) != NULL)
{
void *lib;
DllList *item;
/* Not a file? */
if (entinfo->type != MOJOARCHIVE_ENTRY_FILE)
continue;
/* not in the gui dir? */
if (strncmp(entinfo->filename, "guiplugins/", 4) != 0)
continue;
lib = loadGuiPlugin(dir);
if (lib == NULL)
continue;
item = malloc(sizeof (DllList));
if (item == NULL)
continue;
item->lib = lib;
item->next = plugins.next;
plugins.next = item;
} /* while */
STUBBED("Add static plugins to the list");
STUBBED("Choose plugin by priority");
for (i = plugins.next; i != NULL; i = i->next)
{
MOJOGUI_STRUCT * (*entry)(void) = dlsym(i->lib, MOJOGUI_ENTRY_POINT_STR);
MOJOGUI_STRUCT *gui = entry();
if ( gui->priority(gui) != ((uint8) MOJOGUI_PRIORITY_NEVER_TRY) )
{
if (gui->init(gui))
{
GGui = gui;
break;
} /* if */
} /* if */
} /* for */
STUBBED("close libs, delete tmp files, free list.");
STUBBED("Don't close this when it's a global.");
dir->close(dir);
return (GGui != NULL);
} /* findGuiPlugin */
/*
* This is called from main()/WinMain()/whatever.
*/
int MojoSetup_main(int argc, char **argv)
{
GArgc = argc;
GArgv = argv;
if (!findGuiPlugin())
return 1;
GGui->msgbox(GGui, "Title", "text goes here.");
GGui->deinit(GGui);
STUBBED("cleanup gui lib, etc.\n");
return 0;
} /* MojoSetup_main */
/* end of mojosetup.c ... */