/*
* Usage:
*
* new UART("platform_specific_name")
*
*/
static enum v7_err UART_ctor(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
v7_val_t this_obj = v7_get_this(v7);
v7_val_t dev = v7_arg(v7, 0);
struct user_data *ud;
void *uart;
const char *name;
size_t len;
if (!v7_is_string(dev)) {
rcode = v7_throwf(v7, "Error", "device must be string");
goto clean;
}
ud = (struct user_data *) calloc(1, sizeof(struct user_data));
ud->v7 = v7;
ud->want = 0;
ud->cb = v7_create_undefined();
v7_own(v7, &ud->cb);
name = v7_get_string_data(v7, &dev, &len);
uart = sj_hal_open_uart(name, (void *) ud);
if (uart == NULL) {
rcode = v7_throwf(v7, "Error", "cannot open uart");
goto clean;
}
v7_set(v7, this_obj, "_ud", ~0, V7_PROPERTY_HIDDEN, v7_create_foreign(ud));
v7_set(v7, this_obj, "_dev", ~0, V7_PROPERTY_HIDDEN, v7_create_foreign(uart));
clean:
return rcode;
}
/*
* Publishes a message to a topic.
*
* Args:
* - `topic`: topic, string.
* - `message`: message, string.
*
* Only QOS 0 is implemented at the moment.
*/
enum v7_err MQTT_publish(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
struct user_data *ud;
struct mg_connection *nc;
const char *topic;
const char *message;
size_t message_len;
v7_val_t topicv = v7_arg(v7, 0), messagev = v7_arg(v7, 1);
(void) res;
topic = v7_get_cstring(v7, &topicv);
if (topic == NULL || strlen(topic) == 0) {
rcode = v7_throwf(v7, "TypeError", "invalid topic");
goto clean;
}
if (!v7_is_string(messagev)) {
rcode = v7_throwf(v7, "TypeError", "invalid message");
goto clean;
}
message = v7_get_string(v7, &messagev, &message_len);
nc = v7_get_ptr(v7, v7_get(v7, v7_get_this(v7), "_nc", ~0));
if (nc == NULL) {
rcode = v7_throwf(v7, "Error", "invalid connection");
goto clean;
}
ud = (struct user_data *) nc->user_data;
mg_mqtt_publish(nc, topic, ud->msgid++, MG_MQTT_QOS(0), message, message_len);
clean:
return rcode;
}
/*
* Subscribes a mqtt client to a topic.
*/
enum v7_err MQTT_subscribe(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
struct user_data *ud;
struct mg_connection *nc;
struct mg_mqtt_topic_expression expr;
v7_val_t topicv = v7_arg(v7, 0);
const char *topic;
nc = v7_get_ptr(v7, v7_get(v7, v7_get_this(v7), "_nc", ~0));
if (nc == NULL) {
rcode = v7_throwf(v7, "Error", "unsupported protocol");
goto clean;
}
ud = (struct user_data *) nc->user_data;
topic = v7_get_cstring(v7, &topicv);
if (topic == NULL || strlen(topic) == 0) {
rcode = v7_throwf(v7, "TypeError", "invalid topic");
goto clean;
}
expr.topic = topic;
expr.qos = 0;
mg_mqtt_subscribe(nc, &expr, 1, ud->msgid++);
*res = v7_mk_boolean(v7, 1);
clean:
return rcode;
}
/* JS signature: listen(addr, [options]) */
SJ_PRIVATE enum v7_err Http_Server_listen(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
char buf[50], *p = buf;
const char *ca_cert = NULL, *cert = NULL;
v7_val_t this_obj = v7_get_this(v7);
v7_val_t arg0 = v7_arg(v7, 0);
v7_val_t opts = v7_arg(v7, 1);
if (!v7_is_number(arg0) && !v7_is_string(arg0)) {
rcode = v7_throwf(v7, "TypeError", "Function expected");
goto clean;
}
if (!v7_is_undefined(opts) && !v7_is_object(opts)) {
rcode = v7_throwf(v7, "TypeError", "Options must be an object");
goto clean;
}
if (!v7_is_undefined(opts)) {
v7_val_t ca_cert_v = v7_get(v7, opts, "ssl_ca_cert", ~0);
v7_val_t cert_v = v7_get(v7, opts, "ssl_cert", ~0);
if (!v7_is_undefined(ca_cert_v) && !v7_is_string(ca_cert_v)) {
rcode = v7_throwf(v7, "TypeError", "ca_cert must be a string");
goto clean;
}
if (!v7_is_undefined(cert_v) && !v7_is_string(cert_v)) {
rcode = v7_throwf(v7, "TypeError", "cert must be a string");
goto clean;
}
if (!v7_is_undefined(ca_cert_v)) {
ca_cert = v7_to_cstring(v7, &ca_cert_v);
}
if (!v7_is_undefined(cert_v)) {
cert = v7_to_cstring(v7, &cert_v);
}
}
p = v7_stringify(v7, arg0, buf, sizeof(buf), 0);
rcode = start_http_server(v7, p, this_obj, ca_cert, cert);
if (rcode != V7_OK) {
goto clean;
}
*res = this_obj;
clean:
if (p != buf) {
free(p);
}
return rcode;
}
/*
* `on` method on a mqtt client object registers an event handler
* for a given event type. Recognized event types:
*
* - `connect`: invoked on sucessfull connection (mqtt connack message)
* - `error`: invoked on connection error
* - `close`: invoked when the connection gets closed
* - `message`: invoked when a new message is received. The callback
* receives (topic, message) arguments, both strings
*/
enum v7_err MQTT_on(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
v7_val_t evv = v7_arg(v7, 0);
v7_val_t cb = v7_arg(v7, 1);
const char *ev, *key = NULL;
ev = v7_get_cstring(v7, &evv);
if (strcmp(ev, "connect") == 0) {
key = SJ_MQTT_CONNECT_CB;
} else if (strcmp(ev, "message") == 0) {
key = SJ_MQTT_MESSAGE_CB;
} else if (strcmp(ev, "error") == 0) {
key = SJ_MQTT_ERROR_CB;
} else if (strcmp(ev, "close") == 0) {
key = SJ_MQTT_CLOSE_CB;
} else {
rcode = v7_throwf(v7, "Error", "unsupported protocol");
goto clean;
}
v7_def(v7, v7_get_this(v7), key, ~0, V7_DESC_ENUMERABLE(0), cb);
(void) res;
clean:
return rcode;
}
static enum v7_err start_http_server(struct v7 *v7, const char *addr,
v7_val_t obj, const char *ca_cert,
const char *cert) {
enum v7_err rcode = V7_OK;
struct mg_connection *c;
struct user_data *ud;
struct mg_bind_opts opts;
memset(&opts, 0, sizeof(opts));
#ifdef MG_ENABLE_SSL
opts.ssl_ca_cert = ca_cert;
opts.ssl_cert = cert;
#else
(void) ca_cert;
(void) cert;
#endif
c = mg_bind_opt(&sj_mgr, addr, http_ev_handler, opts);
if (c == NULL) {
rcode = v7_throwf(v7, "Error", "Cannot bind");
goto clean;
}
mg_set_protocol_http_websocket(c);
c->user_data = ud = (struct user_data *) malloc(sizeof(*ud));
ud->v7 = v7;
ud->obj = obj;
ud->handler = v7_get(v7, obj, "_cb", 3);
v7_own(v7, &ud->obj);
clean:
return rcode;
}
SJ_PRIVATE enum v7_err Http_response_writeHead(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
DECLARE_CONN();
unsigned long code = 200;
v7_val_t arg0 = v7_arg(v7, 0), arg1 = v7_arg(v7, 1);
if (v7_is_truthy(v7, v7_get(v7, v7_get_this(v7), "_whd", ~0))) {
rcode = v7_throwf(v7, "Error", "Headers already sent");
goto clean;
}
if (v7_is_number(arg0)) {
code = v7_to_number(arg0);
}
write_http_status(c, code);
http_write_headers(v7, arg1, c);
mg_send(c, "\r\n", 2);
v7_set(v7, v7_get_this(v7), "_whd", ~0, v7_mk_boolean(1));
*res = v7_get_this(v7);
clean:
return rcode;
}
static enum v7_err esp_sj_uart_get_state(struct v7 *v7,
struct esp_sj_uart_state **us) {
int uart_no = v7_to_number(v7_get(v7, v7_get_this(v7), "_u", 2));
if (uart_no < 0 || uart_no > 1) {
return v7_throwf(v7, "Error", "Invalid UART number");
}
*us = &sj_us[uart_no];
return V7_OK;
}
static enum v7_err Updater_startupdate(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
v7_val_t manifest_url_v = v7_arg(v7, 0);
if (!v7_is_string(manifest_url_v)) {
rcode = v7_throwf(v7, "Error", "URL is not a string");
} else {
struct update_context *ctx = updater_context_create();
if (ctx == NULL) {
rcode = v7_throwf(v7, "Error", "Failed to init updater");
} else if (start_update_download(ctx, v7_get_cstring(v7, &manifest_url_v)) <
0) {
rcode = v7_throwf(v7, "Error", ctx->status_msg);
}
}
*res = v7_mk_boolean(v7, rcode == V7_OK);
return rcode;
}
static enum v7_err UART_get(struct v7 *v7, v7_val_t *res) {
enum v7_err ret = V7_OK;
v7_val_t arg0 = v7_arg(v7, 0);
int uart_no = v7_to_number(arg0);
if (v7_is_number(arg0) && (uart_no == 0 || uart_no == 1)) {
*res = sj_us[uart_no].obj;
} else {
ret = v7_throwf(v7, "Error", "Invalid UART number");
}
return ret;
}
/* Call the callback with a list of ssids found in the air. */
SJ_PRIVATE enum v7_err Wifi_scan(struct v7 *v7, v7_val_t *res) {
v7_val_t cb;
if (s_wifi_scan_cb.v7 != NULL) {
return v7_throwf(v7, "Error", "scan in progress");
}
cb = v7_arg(v7, 0);
if (!v7_is_callable(v7, cb)) {
return v7_throwf(v7, "Error", "Invalid argument");
}
s_wifi_scan_cb.v7 = v7;
s_wifi_scan_cb.v = cb;
v7_own(v7, &s_wifi_scan_cb.v);
sj_wifi_scan(sj_wifi_scan_done, &s_wifi_scan_cb);
(void) res;
return V7_OK;
}
static enum v7_err Sys_wdtSetTimeout(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
v7_val_t timeoutv = v7_arg(v7, 0);
if (!v7_is_number(timeoutv)) {
rcode = v7_throwf(v7, "Error", "Timeout should be a number");
} else {
sj_wdt_set_timeout(v7_get_double(v7, timeoutv));
}
*res = v7_mk_boolean(v7, rcode == V7_OK);
return V7_OK;
}
SJ_PRIVATE enum v7_err Http_createServer(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
v7_val_t cb = v7_arg(v7, 0);
if (!v7_is_callable(v7, cb)) {
rcode = v7_throwf(v7, "Error", "Invalid argument");
goto clean;
}
*res = v7_mk_object(v7);
v7_set_proto(v7, *res, sj_http_server_proto);
v7_set(v7, *res, "_cb", ~0, cb);
clean:
return rcode;
}
enum v7_err fill_ssl_connect_opts(struct v7 *v7, v7_val_t opts, int force_ssl,
struct mg_connect_opts *copts) {
enum v7_err rcode = V7_OK;
v7_val_t v_use_ssl = v7_get(v7, opts, "use_ssl", ~0);
v7_val_t v_ca_cert = v7_get(v7, opts, "ssl_ca_cert", ~0);
v7_val_t v_cert = v7_get(v7, opts, "ssl_cert", ~0);
v7_val_t v_server_name = v7_get(v7, opts, "ssl_server_name", ~0);
if (!v7_is_undefined(v_ca_cert) && !v7_is_string(v_ca_cert)) {
rcode = v7_throwf(v7, "TypeError", "ssl_ca_cert must be a string");
goto clean;
}
if (!v7_is_undefined(v_cert) && !v7_is_string(v_cert)) {
rcode = v7_throwf(v7, "TypeError", "ssl_cert must be a string");
goto clean;
}
if (!v7_is_undefined(v_server_name) && !v7_is_string(v_server_name)) {
rcode = v7_throwf(v7, "TypeError", "ssl_server_name must be a string");
goto clean;
}
copts->ssl_ca_cert = v7_get_cstring(v7, &v_ca_cert);
copts->ssl_cert = v7_get_cstring(v7, &v_cert);
copts->ssl_server_name = v7_get_cstring(v7, &v_server_name);
if ((force_ssl ||
(v7_is_boolean(v_use_ssl) && v7_get_bool(v7, v_use_ssl) != 0)) &&
copts->ssl_ca_cert == NULL) {
/* Defaults to configuration */
copts->ssl_ca_cert = get_cfg()->tls.ca_file;
}
clean:
return rcode;
}
SJ_PRIVATE enum v7_err Http_get(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
rcode = sj_http_request_common(v7, v7_arg(v7, 0), v7_arg(v7, 1), res);
if (rcode != V7_OK) {
goto clean;
}
/* Prepare things to close the connection immediately after response */
struct mg_connection *c = get_mgconn_obj(v7, *res);
if (c == NULL) {
rcode = v7_throwf(v7, "Error", "Connection is closed");
goto clean;
}
mg_send_http_chunk(c, "", 0);
c->flags |= MG_F_CLOSE_CONNECTION_AFTER_RESPONSE;
clean:
return rcode;
}
static enum v7_err UART_send(struct v7 *v7, v7_val_t *res) {
struct esp_sj_uart_state *us;
enum v7_err ret = esp_sj_uart_get_state(v7, &us);
if (ret != V7_OK) return ret;
v7_val_t arg0 = v7_arg(v7, 0);
if (!v7_is_string(arg0)) {
return v7_throwf(v7, "Error", "String arg required");
}
size_t len = 0;
const char *data = v7_get_string_data(v7, &arg0, &len);
if (data != NULL && len > 0) {
cs_rbuf_t *txb = esp_uart_tx_buf(us->uart_no);
len = MIN(len, txb->avail);
cs_rbuf_append(txb, (uint8_t *) data, len);
esp_sj_uart_schedule_dispatcher(us->uart_no);
}
*res = v7_mk_number(len);
return V7_OK;
}
/*
* Alternative implementation of JSON.parse(), needed when v7 parser is
* disabled
*/
enum v7_err v7_alt_json_parse(struct v7 *v7, v7_val_t json_string,
v7_val_t *res) {
struct json_parse_ctx *ctx =
(struct json_parse_ctx *) calloc(sizeof(struct json_parse_ctx), 1);
size_t len;
const char *str = v7_get_string(v7, &json_string, &len);
int json_res;
enum v7_err rcode = V7_OK;
ctx->v7 = v7;
ctx->result = V7_UNDEFINED;
ctx->frame = NULL;
v7_own(v7, &ctx->result);
json_res = json_walk(str, len, frozen_cb, ctx);
if (json_res >= 0) {
/* Expression is parsed successfully */
*res = ctx->result;
/* There should be no allocated frames */
assert(ctx->frame == NULL);
} else {
/* There was an error during parsing */
rcode = v7_throwf(v7, "SyntaxError", "Invalid JSON string");
/* There might be some allocated frames in case of malformed JSON */
while (ctx->frame != NULL) {
ctx->frame = free_json_frame(ctx, ctx->frame);
}
}
v7_disown(v7, &ctx->result);
free(ctx);
return rcode;
}
/*
* Create request object, used by `Http.request()` and `Http.get()`
*/
WARN_UNUSED_RESULT
static enum v7_err sj_http_request_common(struct v7 *v7, v7_val_t opts,
v7_val_t cb, v7_val_t *res) {
enum v7_err rcode = V7_OK;
char addr[200];
struct mg_connection *c;
struct user_data *ud;
struct mg_connect_opts copts;
#ifdef MG_ENABLE_SSL
int force_ssl;
#endif
memset(&copts, 0, sizeof(copts));
/*
* Determine type of provided `opts`, and if it's a string, then parse
* it to object
*/
if (v7_is_string(opts)) {
rcode = sj_url_parse(v7, opts, &opts);
if (rcode != V7_OK) {
goto clean;
}
} else if (!v7_is_object(opts)) {
rcode = v7_throwf(v7, "Error", "opts must be an object or a string URL");
goto clean;
}
/*
* Now, `opts` is guaranteed to be an object.
* Let's retrieve needed properties
*/
v7_val_t v_h = v7_get(v7, opts, "hostname", ~0);
if (v7_is_undefined(v_h)) {
v_h = v7_get(v7, opts, "host", ~0);
}
v7_val_t v_p = v7_get(v7, opts, "port", ~0);
v7_val_t v_uri = v7_get(v7, opts, "path", ~0);
v7_val_t v_m = v7_get(v7, opts, "method", ~0);
v7_val_t v_hdrs = v7_get(v7, opts, "headers", ~0);
/* Perform options validation and set defaults if needed */
int port = v7_is_number(v_p) ? v7_to_number(v_p) : 80;
const char *host = v7_is_string(v_h) ? v7_to_cstring(v7, &v_h) : "";
const char *uri = v7_is_string(v_uri) ? v7_to_cstring(v7, &v_uri) : "/";
const char *method = v7_is_string(v_m) ? v7_to_cstring(v7, &v_m) : "GET";
#ifdef MG_ENABLE_SSL
v7_val_t v_pr = v7_get(v7, opts, "protocol", ~0);
const char *protocol = v7_is_string(v_pr) ? v7_to_cstring(v7, &v_pr) : "";
force_ssl = (strcasecmp(protocol, "https") == 0);
if ((rcode = fill_ssl_connect_opts(v7, opts, force_ssl, &copts)) != V7_OK) {
goto clean;
}
#endif
/* Compose address like host:port */
snprintf(addr, sizeof(addr), "%s:%d", host, port);
/*
* Try to connect, passing `http_ev_handler` as the callback, which will
* call provided JavaScript function (we'll set it in user data below).
* TODO(alashkin): change mg_connect_opt to mg_connect_http_opt
*/
if ((c = mg_connect_opt(&sj_mgr, addr, http_ev_handler, copts)) == NULL) {
rcode = v7_throwf(v7, "Error", "Cannot connect");
goto clean;
}
/*
* Attach mongoose's built-in HTTP event handler to the connection, and send
* necessary headers
*/
mg_set_protocol_http_websocket(c);
mg_printf(c, "%s %s HTTP/1.1\r\n", method, uri);
mg_printf(c, "Host: %s\r\n", host);
http_write_headers(v7, v_hdrs, c);
http_write_chunked_encoding_header(c);
mg_printf(c, "%s", "\r\n");
/*
* Allocate and initialize user data structure that is used by the JS HTTP
* interface. Create the request object (which will have the request
* prototype `sj_http_request_proto`), and set provided callback function.
*/
c->user_data = ud = (struct user_data *) calloc(1, sizeof(*ud));
ud->v7 = v7;
ud->obj = v7_mk_object(v7);
ud->handler = cb;
v7_own(v7, &ud->obj);
v7_set_proto(v7, ud->obj, sj_http_request_proto);
/* internal property: mongoose connection */
v7_set(v7, ud->obj, "_c", ~0, v7_mk_foreign(c));
/* internal property: callback function that was passed as an argument */
v7_set(v7, ud->obj, "_cb", ~0, ud->handler);
*res = ud->obj;
clean:
return rcode;
}
/*
* Parse URL; used for:
*
* - `URL.parse()`
* - `Http.request()` and `Http.get()`, when provided `opts` is a string.
*/
static enum v7_err sj_url_parse(struct v7 *v7, v7_val_t url_v, v7_val_t *res) {
enum v7_err rcode = V7_OK;
v7_val_t opts, protocol_v;
size_t i, j, len;
int state = 0;
const char *url;
if (!v7_is_string(url_v)) {
rcode = v7_throwf(v7, "TypeError", "URL must be a string");
goto clean;
}
url = v7_get_string_data(v7, &url_v, &len);
opts = v7_mk_object(v7);
for (i = j = 0; j < len; j++) {
switch (state) {
case 0:
if (url[j] == '/') {
protocol_v = v7_mk_string(v7, url + i, j - i - 1, 1);
v7_set(v7, opts, "protocol", ~0, protocol_v);
j += 1;
i = j + 1;
state = 1;
}
break;
case 1:
if (url[j] == '/' || (j > i && url[j] == ':') || j == len - 1) {
int hl = j - i;
if (j == len - 1 && url[j] != '/' && url[j] != ':') hl++;
v7_set(v7, opts, "hostname", ~0, v7_mk_string(v7, url + i, hl, 1));
if (url[j] == '/' || j == len - 1) {
const char *protocol = v7_to_cstring(v7, &protocol_v);
int port = strcasecmp(protocol, "https") == 0 ? 443 : 80;
v7_set(v7, opts, "port", ~0, v7_mk_number(port));
i = j;
if (j == len - 1) j--;
state = 3;
} else {
i = j + 1;
state = 2;
}
}
break;
case 2:
if (url[j] == '/' || j == len - 1) {
char ps[6];
size_t l = j - i;
if (j == len - 1) l++;
if (l > sizeof(ps) - 1) l = sizeof(ps) - 1;
memcpy(ps, url + i, l);
ps[l] = '\0';
v7_set(v7, opts, "port", ~0, v7_mk_number(atoi(ps)));
i = j;
if (j == len - 1) j--;
state = 3;
}
break;
case 3:
if (j == len - 1) {
v7_val_t path_v = j - i > 0 ? v7_mk_string(v7, url + i, j - i + 1, 1)
: v7_mk_string(v7, "/", 1, 1);
v7_set(v7, opts, "path", ~0, path_v);
}
break;
}
}
*res = opts;
clean:
return rcode;
}
/*
* Make a new MQTT client.
*
* Arguments:
* url: url where to connect to
* opts: option object
*
* Recognized option object properties:
*
* - clientId: string; mqtt client id. defaults to
* Math.random().toString(16).substr(2, 10)
*
* Example:
*
* var client = MQTT.connect('mqtt://test.mosquitto.org');
*
* client.on('connect', function () {
* client.subscribe('presence');
* client.publish('presence', 'Hello mqtt');
* });
*
* client.on('message', function (topic, message) {
* console.log(message);
* });
*
* TLS can be enabled by choosing the `mqtts://` protocol. In that
* case the default port is 8883 as defined by IANA.
*
* The API is modeled after https://www.npmjs.com/package/mqtt.
*
*/
enum v7_err sj_mqtt_connect(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
const char *url;
size_t len;
struct mg_str host, scheme;
unsigned int port;
struct mg_connection *nc;
struct user_data *ud;
char *url_with_port = NULL;
int use_ssl = 0;
v7_val_t urlv = v7_arg(v7, 0), opts = v7_arg(v7, 1);
v7_val_t client_id;
v7_val_t proto =
v7_get(v7, v7_get(v7, v7_get_global(v7), "MQTT", ~0), "proto", ~0);
if (!v7_is_string(urlv)) {
rcode = v7_throwf(v7, "Error", "invalid url string");
goto clean;
}
url = v7_get_string(v7, &urlv, &len);
if (mg_parse_uri(mg_mk_str(url), &scheme, NULL, &host, &port, NULL, NULL,
NULL) < 0) {
rcode = v7_throwf(v7, "Error", "invalid url string");
goto clean;
}
if (mg_vcmp(&scheme, "mqtt") == 0) {
url += sizeof("mqtt://") - 1;
} else if (mg_vcmp(&scheme, "mqtts") == 0) {
url += sizeof("mqtts://") - 1;
use_ssl = 1;
} else {
rcode = v7_throwf(v7, "Error", "unsupported protocol");
goto clean;
}
client_id = v7_get(v7, opts, "clientId", ~0);
if (v7_is_undefined(client_id)) {
rcode = v7_exec(v7, "Math.random().toString(16).substr(2,8)", &client_id);
if (rcode != V7_OK) {
goto clean;
}
}
if (port == 0) {
if (asprintf(&url_with_port, "%.*s%s", (int) host.len, host.p,
(use_ssl ? ":8883" : ":1883")) < 0) {
rcode = v7_throwf(v7, "Error", "Out of memory");
goto clean;
}
}
nc =
mg_connect(&sj_mgr, url_with_port ? url_with_port : url, mqtt_ev_handler);
if (nc == NULL) {
rcode = v7_throwf(v7, "Error", "cannot create connection");
goto clean;
}
if (use_ssl) {
#ifdef MG_ENABLE_SSL
mg_set_ssl(nc, NULL, NULL);
#else
rcode = v7_throwf(v7, "Error", "SSL not enabled");
goto clean;
#endif
}
mg_set_protocol_mqtt(nc);
*res = v7_mk_object(v7);
v7_set_proto(v7, *res, proto);
ud = calloc(1, sizeof(*ud));
if (ud == NULL) {
rcode = v7_throwf(v7, "Error", "Out of memory");
goto clean;
}
ud->v7 = v7;
ud->client = *res;
ud->client_id = strdup(v7_get_cstring(v7, &client_id));
if (ud->client_id == NULL) {
free(ud);
rcode = v7_throwf(v7, "Error", "Out of memory");
goto clean;
}
nc->user_data = ud;
v7_own(v7, &ud->client);
v7_def(v7, *res, "_nc", ~0, _V7_DESC_HIDDEN(1), v7_mk_foreign(v7, nc));
clean:
free(url_with_port);
return rcode;
}
