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Comment:Updated to include a Tcl interface via AppFSd
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SHA1: 4b04c967f7016def226576a72537cd516962c086
User & Date: rkeene on 2014-11-07 05:06:43
Other Links: branch diff | manifest | tags
Context
2014-11-07
05:42
Added more functionality to "appfs-cache" control system check-in: 82982300d8 user: rkeene tags: tcl-ops
05:06
Updated to include a Tcl interface via AppFSd check-in: 4b04c967f7 user: rkeene tags: tcl-ops
04:52
Added support for an "appfs-cache" script calling sqlite3 directly in appfsd check-in: c374111c37 user: rkeene tags: tcl-ops
Changes
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Modified appfsd.c from [206ee97d58] to [e20407f29f].

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		fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));

		Tcl_DeleteInterp(interp);

		return(NULL);
	}

	Tcl_HideCommand(interp, "glob", "glob");
	Tcl_HideCommand(interp, "exec", "exec");
	Tcl_HideCommand(interp, "pid", "pid");
	Tcl_HideCommand(interp, "auto_load_index", "auto_load_index");
	Tcl_HideCommand(interp, "unknown", "unknown");
	Tcl_HideCommand(interp, "auto_load_index", "auto_load_index");
	Tcl_HideCommand(interp, "unknown", "unknown");

	return(interp);
}

static Tcl_Interp *appfs_TclInterp(void) {
	Tcl_Interp *interp;

	interp = pthread_getspecific(interpKey);
	if (interp == NULL) {
		interp = appfs_create_TclInterp();

		if (interp == NULL) {
			return(NULL);
		}

		pthread_setspecific(interpKey, interp);
	}

	return(interp);
}

static int appfs_Tcl_Eval(Tcl_Interp *interp, int objc, const char *cmd, ...) {
	Tcl_Obj **objv;
	const char *arg;
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static void appfs_update_index(const char *hostname) {
	Tcl_Interp *interp;
	int tcl_ret;

	APPFS_DEBUG("Enter: hostname = %s", hostname);

	interp = pthread_getspecific(interpKey);
	if (interp == NULL) {
		interp = appfs_create_TclInterp();
	interp = appfs_TclInterp();

		if (interp == NULL) {
			return;
	if (interp == NULL) {
		return;
		}

		pthread_setspecific(interpKey, interp);
	}

	tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getindex", hostname);
	if (tcl_ret != TCL_OK) {
		APPFS_DEBUG("Call to ::appfs::getindex failed: %s", Tcl_GetStringResult(interp));

		return;
	}

	return;
}

static const char *appfs_getfile(const char *hostname, const char *sha1) {
	Tcl_Interp *interp;
	char *retval;
	int tcl_ret;

	interp = pthread_getspecific(interpKey);
	if (interp == NULL) {
		interp = appfs_create_TclInterp();
	interp = appfs_TclInterp();

		if (interp == NULL) {
			return(NULL);
	if (interp == NULL) {
		return(NULL);
		}

		pthread_setspecific(interpKey, interp);
	}

	tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::download", hostname, sha1);
	if (tcl_ret != TCL_OK) {
		APPFS_DEBUG("Call to ::appfs::download failed: %s", Tcl_GetStringResult(interp));

		return(NULL);
	}

	retval = strdup(Tcl_GetStringResult(interp));

	return(retval);
}

static void appfs_update_manifest(const char *hostname, const char *sha1) {
	Tcl_Interp *interp;
	int tcl_ret;

	interp = pthread_getspecific(interpKey);
	if (interp == NULL) {
		interp = appfs_create_TclInterp();
	interp = appfs_TclInterp();

		if (interp == NULL) {
			return;
	if (interp == NULL) {
		return;
		}

		pthread_setspecific(interpKey, interp);
	}

	tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::getpkgmanifest", hostname, sha1);
	if (tcl_ret != TCL_OK) {
		APPFS_DEBUG("Call to ::appfs::getpkgmanifest failed: %s", Tcl_GetStringResult(interp));

		return;
	}

	return;
}

static uid_t appfs_get_fsuid(void) {
	struct fuse_context *ctx;

	ctx = fuse_get_context();
	if (ctx == NULL) {
		/* Unable to lookup user for some reason */
		/* Return an unprivileged user ID */
		return(1);
	}

	return(ctx->uid);
}

static char *appfs_get_homedir(uid_t fsuid) {
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        Tcl_SetObjResult(interp, Tcl_NewStringObj(homedir, -1));

	free(homedir);

        return(TCL_OK);
}

static struct appfs_children *appfs_getchildren(const char *hostname, const char *package_hash, const char *path, int *children_count_p) {
}

static char *appfs_lookup_package_hash(const char *hostname, const char *package, const char *os, const char *cpuArch, const char *version) {
}

static int appfs_getfileinfo(const char *hostname, const char *package_hash, const char *_path, struct appfs_pathinfo *pathinfo) {
}

/* Generate an inode for a given path */
static long long appfs_get_path_inode(const char *path) {
	long long retval;
	const char *p;

	retval = 10;
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	if (tcl_ret != TCL_OK) {
		fprintf(stderr, "[error] %s\n", sql_ret);

		return(1);
	}

	if (sql_ret && sql_ret[0] != '\0') {
	printf("%s\n", sql_ret);
		printf("%s\n", sql_ret);
	}

	return(0);
}

static int appfs_tcl(const char *tcl) {
	Tcl_Interp *interp;
	const char *tcl_result;
	int tcl_ret;

	interp = appfs_create_TclInterp();
	if (interp == NULL) {
		fprintf(stderr, "Unable to create a Tcl interpreter.  Aborting.\n");

		return(1);
	}

	tcl_ret = Tcl_Eval(interp, tcl);
	tcl_result = Tcl_GetStringResult(interp);

	if (tcl_ret != TCL_OK) {
		fprintf(stderr, "[error] %s\n", tcl_result);

		return(1);
	}

	if (tcl_result && tcl_result[0] != '\0') {
		printf("%s\n", tcl_result);
	}

	return(0);
}

static int Appfsd_Init(Tcl_Interp *interp) {
#ifdef USE_TCL_STUBS
	if (Tcl_InitStubs(interp, TCL_VERSION, 0) == 0L) {
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		return(1);
	}

	if (argc == 3 && strcmp(argv[1], "-sqlite3") == 0) {
		return(appfs_sqlite3(argv[2]));
	}

	if (argc == 3 && strcmp(argv[1], "-tcl") == 0) {
		return(appfs_tcl(argv[2]));
	}

	return(fuse_main(argc, argv, &appfs_oper, NULL));
}