static char *pid2appid(pid_t pid, char *buf, size_t size)
{
char binary[PATH_MAX];
char path[PATH_MAX], *dir, *p, *base;
unsigned int len;
if (!pid || !get_binary(pid, binary, sizeof(binary)))
return NULL;
strncpy(path, binary, sizeof(path) - 1);
path[sizeof(path) - 1] = '\0';
/* fetch basename */
if ((p = strrchr(path, '/')) == NULL || p == path) {
strncpy(buf, binary, size - 1);
buf[size - 1] = '\0';
return buf;
}
base = p-- + 1;
/* fetch ../bin/<basename> */
if ((p = strprev(p, '/', path)) == NULL || p == path)
goto return_base;
if (strncmp(p + 1, "bin/", 4) != 0)
goto return_base;
else
p--;
/* fetch dir name above bin */
if ((dir = strprev(p, '/', path)) == NULL || dir == path)
goto return_base;
len = (size_t)(p - dir);
/* fetch 'apps' dir */
p = dir - 1;
if ((p = strprev(p, '/', path)) == NULL)
goto return_base;
if (strncmp(p + 1, "apps/", 5) != 0)
goto return_base;
if (len + 1 <= size) {
strncpy(buf, dir + 1, len);
buf[len] = '\0';
return buf;
}
return_base:
strncpy(buf, base, size - 1);
buf[size - 1] = '\0';
return buf;
}
STATIC mp_obj_t call_method(jobject obj, const char *name, jarray methods, bool is_constr, mp_uint_t n_args, const mp_obj_t *args) {
jvalue jargs[n_args];
// printf("methods=%p\n", methods);
jsize num_methods = JJ(GetArrayLength, methods);
for (int i = 0; i < num_methods; i++) {
jobject meth = JJ(GetObjectArrayElement, methods, i);
jobject name_o = JJ(CallObjectMethod, meth, Object_toString_mid);
const char *decl = JJ(GetStringUTFChars, name_o, NULL);
const char *arg_types = strchr(decl, '(') + 1;
//const char *arg_types_end = strchr(arg_types, ')');
// printf("method[%d]=%p %s\n", i, meth, decl);
const char *meth_name = NULL;
const char *ret_type = NULL;
if (!is_constr) {
meth_name = strprev(arg_types, '.') + 1;
ret_type = strprev(meth_name, ' ') - 1;
ret_type = strprev(ret_type, ' ') + 1;
int name_len = strlen(name);
if (strncmp(name, meth_name, name_len/*arg_types - meth_name - 1*/) || meth_name[name_len] != '('/*(*/) {
goto next_method;
}
}
// printf("method[%d]=%p %s\n", i, meth, decl);
// printf("!!!%s\n", arg_types);
// printf("name=%p meth_name=%s\n", name, meth_name);
bool found = true;
for (int i = 0; i < n_args && *arg_types != ')'; i++) {
if (!py2jvalue(&arg_types, args[i], &jargs[i])) {
goto next_method;
}
if (*arg_types == ',') {
arg_types++;
}
}
if (*arg_types != ')') {
goto next_method;
}
if (found) {
// printf("found!\n");
jmethodID method_id = JJ(FromReflectedMethod, meth);
jobject res;
mp_obj_t ret;
if (is_constr) {
JJ(ReleaseStringUTFChars, name_o, decl);
res = JJ(NewObjectA, obj, method_id, jargs);
return new_jobject(res);
} else {
if (MATCH(ret_type, "void")) {
JJ(CallVoidMethodA, obj, method_id, jargs);
check_exception();
ret = mp_const_none;
} else if (MATCH(ret_type, "int")) {
jint res = JJ(CallIntMethodA, obj, method_id, jargs);
check_exception();
ret = mp_obj_new_int(res);
} else if (MATCH(ret_type, "boolean")) {
jboolean res = JJ(CallBooleanMethodA, obj, method_id, jargs);
check_exception();
ret = mp_obj_new_bool(res);
} else if (is_object_type(ret_type)) {
res = JJ(CallObjectMethodA, obj, method_id, jargs);
check_exception();
ret = new_jobject(res);
} else {
JJ(ReleaseStringUTFChars, name_o, decl);
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "cannot handle return type"));
}
JJ(ReleaseStringUTFChars, name_o, decl);
JJ(DeleteLocalRef, name_o);
JJ(DeleteLocalRef, meth);
return ret;
}
}
next_method:
JJ(ReleaseStringUTFChars, name_o, decl);
JJ(DeleteLocalRef, name_o);
JJ(DeleteLocalRef, meth);
}
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "method not found"));
}
