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} symlink;
} typeinfo;
};
/*
* Create a new Tcl interpreter and completely initialize it
*/
static Tcl_Interp *appfs_create_TclInterp(void) {
static Tcl_Interp *appfs_create_TclInterp(char **error_string) {
Tcl_Interp *interp;
int tcl_ret;
APPFS_DEBUG("Creating new Tcl interpreter for TID = 0x%llx", (unsigned long long) pthread_self());
interp = Tcl_CreateInterp();
if (interp == NULL) {
fprintf(stderr, "Unable to create Tcl Interpreter. Aborting.\n");
if (error_string) {
*error_string = strdup("Unable to create Tcl interpreter.");
}
return(NULL);
}
tcl_ret = Tcl_Init(interp);
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
tcl_ret = Tcl_Eval(interp, "package ifneeded sha1 1.0 [list load {} sha1]");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl SHA1. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
tcl_ret = Tcl_Eval(interp, "package ifneeded appfsd 1.0 [list load {} appfsd]");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS Package. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Load the "appfsd.tcl" script, which is "compiled" into a C header
* so that it does not need to exist on the filesystem and can be
* directly evaluated.
*/
tcl_ret = Tcl_Eval(interp, ""
#include "appfsd.tcl.h"
"");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Set global variables from C to Tcl
*/
if (Tcl_SetVar(interp, "::appfs::cachedir", appfs_cachedir, TCL_GLOBAL_ONLY) == NULL) {
fprintf(stderr, "Unable to set cache directory. This should never fail.\n");
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Initialize the "appfsd.tcl" environment, which must be done after
* global variables are set.
*/
tcl_ret = Tcl_Eval(interp, "::appfs::init");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script (::appfs::init). Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
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*/
static Tcl_Interp *appfs_TclInterp(void) {
Tcl_Interp *interp;
int pthread_ret;
interp = pthread_getspecific(interpKey);
if (interp == NULL) {
interp = appfs_create_TclInterp();
interp = appfs_create_TclInterp(NULL);
if (interp == NULL) {
return(NULL);
}
pthread_ret = pthread_setspecific(interpKey, interp);
if (pthread_ret != 0) {
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* SQLite3 mode: Execute raw SQL and return success or failure
*/
static int appfs_sqlite3(const char *sql) {
Tcl_Interp *interp;
const char *sql_ret;
int tcl_ret;
interp = appfs_create_TclInterp();
interp = appfs_create_TclInterp(NULL);
if (interp == NULL) {
fprintf(stderr, "Unable to create a Tcl interpreter. Aborting.\n");
return(1);
}
tcl_ret = appfs_Tcl_Eval(interp, 5, "::appfs::db", "eval", sql, "row", "unset -nocomplain row(*); parray row; puts \"----\"");
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* Tcl mode: Execute raw Tcl and return success or failure
*/
static int appfs_tcl(const char *tcl) {
Tcl_Interp *interp;
const char *tcl_result;
int tcl_ret;
interp = appfs_create_TclInterp();
interp = appfs_create_TclInterp(NULL);
if (interp == NULL) {
fprintf(stderr, "Unable to create a Tcl interpreter. Aborting.\n");
return(1);
}
tcl_ret = Tcl_Eval(interp, tcl);
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return(1);
}
/*
* Entry point into this program.
*/
int main(int argc, char **argv) {
Tcl_Interp *test_interp;
char *test_interp_error;
struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
int pthread_ret;
/*
* Skip passed program name
*/
if (argc == 0 || argv == NULL) {
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fuse_opt_add_arg(&args, "-odefault_permissions,fsname=appfs,subtype=appfsd,use_ino,kernel_cache,entry_timeout=60,attr_timeout=3600,intr,big_writes");
if (getuid() == 0) {
fuse_opt_parse(&args, NULL, NULL, NULL);
fuse_opt_add_arg(&args, "-oallow_other");
}
/*
* Create a Tcl interpreter just to verify that things are in working
* order before we become a daemon.
*/
test_interp = appfs_create_TclInterp(&test_interp_error);
if (test_interp == NULL) {
if (test_interp_error == NULL) {
test_interp_error = "Unknown error";
}
fprintf(stderr, "Unable to initialize Tcl interpreter for AppFSd:\n");
fprintf(stderr, "%s", test_interp_error);
return(1);
}
Tcl_DeleteInterp(test_interp);
/*
* Enter the FUSE main loop -- this will process any arguments
* and start servicing requests.
*/
appfs_fuse_started = 1;
return(fuse_main(args.argc, args.argv, &appfs_operations, NULL));
}
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