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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2000-2016. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
/*
* Purpose: Tests the functions in erl_connect.c.
* Author: Bjorn Gustavsson
*
* See the erl_connect_SUITE.erl file for a "table of contents".
*/
#include <stdio.h>
#include <string.h>
#include "runner.h"
static void cmd_erl_connect_init(ETERM* args);
static void cmd_erl_connect(ETERM* args);
static void cmd_erl_send(ETERM* args);
static void cmd_erl_reg_send(ETERM* args);
static void cmd_erl_close_connection(ETERM *args);
static void send_errno_result(int value);
static struct {
char* name;
int num_args; /* Number of arguments. */
void (*func)(ETERM* args);
} commands[] = {
"erl_connect_init", 3, cmd_erl_connect_init,
"erl_connect", 1, cmd_erl_connect,
"erl_close_connection", 1, cmd_erl_close_connection,
"erl_send", 3, cmd_erl_send,
"erl_reg_send", 3, cmd_erl_reg_send,
};
/*
* Sends a list contaning all data types to the Erlang side.
*/
TESTCASE(interpret)
{
ETERM* term;
erl_init(NULL, 0);
outer_loop:
term = get_term();
if (term == NULL) {
report(1);
return;
} else {
ETERM* Func;
ETERM* Args;
int i;
if (!ERL_IS_TUPLE(term) || ERL_TUPLE_SIZE(term) != 2) {
fail("term should be a tuple of size 2");
}
Func = erl_element(1, term);
if (!ERL_IS_ATOM(Func)) {
fail("function name should be an atom");
}
Args = erl_element(2, term);
if (!ERL_IS_TUPLE(Args)) {
fail("function arguments should be a tuple");
}
erl_free_term(term);
for (i = 0; i < sizeof(commands)/sizeof(commands[0]); i++) {
int n = strlen(commands[i].name);
if (ERL_ATOM_SIZE(Func) != n) {
continue;
}
if (memcmp(ERL_ATOM_PTR(Func), commands[i].name, n) == 0) {
erl_free_term(Func);
if (ERL_TUPLE_SIZE(Args) != commands[i].num_args) {
fail("wrong number of arguments");
}
commands[i].func(Args);
erl_free_term(Args);
goto outer_loop;
}
}
fail("bad command");
}
}
#define VERIFY_TYPE(Test, Term) \
if (!Test(Term)) { \
fail("wrong type for " #Term); \
} else { \
}
static void
cmd_erl_connect_init(ETERM* args)
{
ETERM* number;
ETERM* res;
ETERM* cookie;
char cookie_buffer[256];
number = ERL_TUPLE_ELEMENT(args, 0);
VERIFY_TYPE(ERL_IS_INTEGER, number);
cookie = ERL_TUPLE_ELEMENT(args, 1);
VERIFY_TYPE(ERL_IS_ATOM, cookie);
if (ERL_ATOM_SIZE(cookie) == 0) {
res = erl_mk_int(erl_connect_init(ERL_INT_VALUE(number), 0, 0));
} else {
memcpy(cookie_buffer, ERL_ATOM_PTR(cookie), ERL_ATOM_SIZE(cookie));
cookie_buffer[ERL_ATOM_SIZE(cookie)] = '\0';
res = erl_mk_int(erl_connect_init(ERL_INT_VALUE(number),
cookie_buffer, 0));
}
send_term(res);
erl_free_term(res);
}
static void
cmd_erl_connect(ETERM* args)
{
ETERM* node;
char node_buffer[256];
node = ERL_TUPLE_ELEMENT(args, 0);
VERIFY_TYPE(ERL_IS_ATOM, node);
memcpy(node_buffer, ERL_ATOM_PTR(node), ERL_ATOM_SIZE(node));
node_buffer[ERL_ATOM_SIZE(node)] = '\0';
send_errno_result(erl_connect(node_buffer));
}
static void
cmd_erl_close_connection(ETERM* args)
{
ETERM* number;
ETERM* res;
number = ERL_TUPLE_ELEMENT(args, 0);
VERIFY_TYPE(ERL_IS_INTEGER, number);
res = erl_mk_int(erl_close_connection(ERL_INT_VALUE(number)));
send_term(res);
erl_free_term(res);
}
static void
cmd_erl_send(ETERM* args)
{
ETERM* fd_term = ERL_TUPLE_ELEMENT(args, 0);
ETERM* to = ERL_TUPLE_ELEMENT(args, 1);
ETERM* msg = ERL_TUPLE_ELEMENT(args, 2);
VERIFY_TYPE(ERL_IS_INTEGER, fd_term);
send_errno_result(erl_send(ERL_INT_VALUE(fd_term), to, msg));
}
static void
cmd_erl_reg_send(ETERM* args)
{
ETERM* fd_term = ERL_TUPLE_ELEMENT(args, 0);
ETERM* to = ERL_TUPLE_ELEMENT(args, 1);
ETERM* msg = ERL_TUPLE_ELEMENT(args, 2);
char reg_name[256];
VERIFY_TYPE(ERL_IS_INTEGER, fd_term);
VERIFY_TYPE(ERL_IS_ATOM, to);
memcpy(reg_name, ERL_ATOM_PTR(to), ERL_ATOM_SIZE(to));
reg_name[ERL_ATOM_SIZE(to)] = '\0';
send_errno_result(erl_reg_send(ERL_INT_VALUE(fd_term), reg_name, msg));
}
static void
send_errno_result(int value)
{
ETERM* res_array[2];
ETERM* res_tuple;
res_array[0] = erl_mk_int(value);
res_array[1] = erl_mk_int(erl_errno);
res_tuple = erl_mk_tuple(res_array, 2);
send_term(res_tuple);
erl_free_term(res_array[0]);
erl_free_term(res_array[1]);
erl_free_term(res_tuple);
}
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