mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-09 00:00:00 +01:00
zeromq: adapt to new signal code and separate node-type configuration into in/out sections
This commit is contained in:
parent
7738244136
commit
b9982d41ef
2 changed files with 86 additions and 65 deletions
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@ -51,7 +51,6 @@ struct sample;
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struct zeromq {
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int ipv6;
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char *filter;
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struct format_type *format;
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struct io io;
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@ -75,12 +74,14 @@ struct zeromq {
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void *socket; /**< ZeroMQ socket. */
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void *mon_socket;
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char *endpoint;
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} subscriber;
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char *filter;
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} in;
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struct {
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void *socket; /**< ZeroMQ socket. */
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struct list endpoints;
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} publisher;
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char *filter;
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} out;
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};
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/** @see node_type::print */
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@ -79,14 +79,14 @@ int zeromq_reverse(struct node *n)
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{
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struct zeromq *z = (struct zeromq *) n->_vd;
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if (list_length(&z->publisher.endpoints) != 1)
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if (list_length(&z->out.endpoints) != 1)
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return -1;
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char *subscriber = z->subscriber.endpoint;
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char *publisher = list_first(&z->publisher.endpoints);
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char *subscriber = z->in.endpoint;
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char *publisher = list_first(&z->out.endpoints);
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z->subscriber.endpoint = publisher;
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list_set(&z->publisher.endpoints, 0, subscriber);
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z->in.endpoint = publisher;
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list_set(&z->out.endpoints, 0, subscriber);
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return 0;
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}
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@ -98,7 +98,8 @@ int zeromq_parse(struct node *n, json_t *cfg)
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int ret;
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const char *ep = NULL;
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const char *type = NULL;
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const char *filter = NULL;
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const char *in_filter = NULL;
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const char *out_filter = NULL;
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const char *format = "villas.human";
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size_t i;
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@ -107,16 +108,19 @@ int zeromq_parse(struct node *n, json_t *cfg)
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json_t *json_val;
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json_error_t err;
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list_init(&z->publisher.endpoints);
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list_init(&z->out.endpoints);
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z->curve.enabled = false;
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z->ipv6 = 0;
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ret = json_unpack_ex(cfg, &err, 0, "{ s?: s, s?: o, s?: o, s?: s, s?: s, s?: b, s?: s }",
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"subscribe", &ep,
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"publish", &json_pub,
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ret = json_unpack_ex(cfg, &err, 0, "{ s?: { s?: s, s?: s }, s?: { s?: o, s?: s }, s?: o, s?: s, s?: b, s?: s }",
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"in",
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"subscribe", &ep,
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"filter", &in_filter,
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"out",
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"publish", &json_pub,
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"filter", &out_filter,
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"curve", &json_curve,
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"filter", &filter,
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"pattern", &type,
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"ipv6", &z->ipv6,
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"format", &format
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@ -124,8 +128,9 @@ int zeromq_parse(struct node *n, json_t *cfg)
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if (ret)
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jerror(&err, "Failed to parse configuration of node %s", node_name(n));
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z->subscriber.endpoint = ep ? strdup(ep) : NULL;
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z->filter = filter ? strdup(filter) : NULL;
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z->in.endpoint = ep ? strdup(ep) : NULL;
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z->in.filter = in_filter ? strdup(in_filter) : NULL;
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z->out.filter = out_filter ? strdup(out_filter) : NULL;
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z->format = format_type_lookup(format);
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if (!z->format)
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@ -139,14 +144,14 @@ int zeromq_parse(struct node *n, json_t *cfg)
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if (!ep)
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error("All 'publish' settings must be strings");
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list_push(&z->publisher.endpoints, strdup(ep));
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list_push(&z->out.endpoints, strdup(ep));
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}
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break;
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case JSON_STRING:
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ep = json_string_value(json_pub);
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list_push(&z->publisher.endpoints, strdup(ep));
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list_push(&z->out.endpoints, strdup(ep));
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break;
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@ -210,24 +215,27 @@ char * zeromq_print(struct node *n)
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#endif
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}
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strcatf(&buf, "format=%s, pattern=%s, ipv6=%s, crypto=%s, subscribe=%s, publish=[ ",
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strcatf(&buf, "format=%s, pattern=%s, ipv6=%s, crypto=%s, in.subscribe=%s, out.publish=[ ",
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format_type_name(z->format),
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pattern,
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z->ipv6 ? "yes" : "no",
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z->curve.enabled ? "yes" : "no",
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z->subscriber.endpoint
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z->in.endpoint ? z->in.endpoint : ""
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);
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for (size_t i = 0; i < list_length(&z->publisher.endpoints); i++) {
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char *ep = (char *) list_at(&z->publisher.endpoints, i);
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for (size_t i = 0; i < list_length(&z->out.endpoints); i++) {
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char *ep = (char *) list_at(&z->out.endpoints, i);
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strcatf(&buf, "%s ", ep);
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}
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strcatf(&buf, "]");
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if (z->filter)
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strcatf(&buf, ", filter=%s", z->filter);
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if (z->in.filter)
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strcatf(&buf, ", in.filter=%s", z->in.filter);
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if (z->out.filter)
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strcatf(&buf, ", out.filter=%s", z->out.filter);
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return buf;
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}
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@ -249,25 +257,29 @@ int zeromq_start(struct node *n)
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int ret;
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struct zeromq *z = (struct zeromq *) n->_vd;
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ret = io_init(&z->io, z->format, n, SAMPLE_HAS_ALL);
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ret = io_init(&z->io, z->format, &n->signals, SAMPLE_HAS_ALL);
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if (ret)
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return ret;
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ret = io_check(&z->io);
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if (ret)
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return ret;
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switch (z->pattern) {
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#ifdef ZMQ_BUILD_DISH
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case ZEROMQ_PATTERN_RADIODISH:
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z->subscriber.socket = zmq_socket(context, ZMQ_DISH);
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z->publisher.socket = zmq_socket(context, ZMQ_RADIO);
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z->in.socket = zmq_socket(context, ZMQ_DISH);
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z->out.socket = zmq_socket(context, ZMQ_RADIO);
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break;
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#endif
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case ZEROMQ_PATTERN_PUBSUB:
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z->subscriber.socket = zmq_socket(context, ZMQ_SUB);
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z->publisher.socket = zmq_socket(context, ZMQ_PUB);
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z->in.socket = zmq_socket(context, ZMQ_SUB);
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z->out.socket = zmq_socket(context, ZMQ_PUB);
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break;
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}
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if (!z->subscriber.socket || !z->publisher.socket) {
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if (!z->in.socket || !z->out.socket) {
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ret = -1;
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goto fail;
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}
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@ -276,12 +288,12 @@ int zeromq_start(struct node *n)
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switch (z->pattern) {
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#ifdef ZMQ_BUILD_DISH
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case ZEROMQ_PATTERN_RADIODISH:
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ret = zmq_join(z->subscriber.socket, z->filter);
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ret = zmq_join(z->in.socket, z->in.filter);
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break;
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#endif
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case ZEROMQ_PATTERN_PUBSUB:
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ret = zmq_setsockopt(z->subscriber.socket, ZMQ_SUBSCRIBE, z->filter, z->filter ? strlen(z->filter) : 0);
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ret = zmq_setsockopt(z->in.socket, ZMQ_SUBSCRIBE, z->in.filter, z->in.filter ? strlen(z->in.filter) : 0);
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break;
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default:
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@ -291,90 +303,88 @@ int zeromq_start(struct node *n)
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if (ret < 0)
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goto fail;
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ret = zmq_setsockopt(z->publisher.socket, ZMQ_IPV6, &z->ipv6, sizeof(z->ipv6));
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ret = zmq_setsockopt(z->out.socket, ZMQ_IPV6, &z->ipv6, sizeof(z->ipv6));
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if (ret)
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goto fail;
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ret = zmq_setsockopt(z->subscriber.socket, ZMQ_IPV6, &z->ipv6, sizeof(z->ipv6));
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ret = zmq_setsockopt(z->in.socket, ZMQ_IPV6, &z->ipv6, sizeof(z->ipv6));
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if (ret)
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goto fail;
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if (z->curve.enabled) {
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/* Publisher has server role */
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ret = zmq_setsockopt(z->publisher.socket, ZMQ_CURVE_SECRETKEY, z->curve.server.secret_key, 41);
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ret = zmq_setsockopt(z->out.socket, ZMQ_CURVE_SECRETKEY, z->curve.server.secret_key, 41);
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if (ret)
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goto fail;
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ret = zmq_setsockopt(z->publisher.socket, ZMQ_CURVE_PUBLICKEY, z->curve.server.public_key, 41);
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ret = zmq_setsockopt(z->out.socket, ZMQ_CURVE_PUBLICKEY, z->curve.server.public_key, 41);
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if (ret)
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goto fail;
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int curve_server = 1;
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ret = zmq_setsockopt(z->publisher.socket, ZMQ_CURVE_SERVER, &curve_server, sizeof(curve_server));
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ret = zmq_setsockopt(z->out.socket, ZMQ_CURVE_SERVER, &curve_server, sizeof(curve_server));
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if (ret)
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goto fail;
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}
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if (z->curve.enabled) {
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/* Create temporary client keys first */
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ret = zmq_curve_keypair(z->curve.client.public_key, z->curve.client.secret_key);
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if (ret)
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goto fail;
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/* Subscriber has client role */
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ret = zmq_setsockopt(z->subscriber.socket, ZMQ_CURVE_SECRETKEY, z->curve.client.secret_key, 41);
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ret = zmq_setsockopt(z->in.socket, ZMQ_CURVE_SECRETKEY, z->curve.client.secret_key, 41);
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if (ret)
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goto fail;
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ret = zmq_setsockopt(z->subscriber.socket, ZMQ_CURVE_PUBLICKEY, z->curve.client.public_key, 41);
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ret = zmq_setsockopt(z->in.socket, ZMQ_CURVE_PUBLICKEY, z->curve.client.public_key, 41);
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if (ret)
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goto fail;
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ret = zmq_setsockopt(z->subscriber.socket, ZMQ_CURVE_SERVERKEY, z->curve.server.public_key, 41);
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ret = zmq_setsockopt(z->in.socket, ZMQ_CURVE_SERVERKEY, z->curve.server.public_key, 41);
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if (ret)
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goto fail;
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}
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#ifdef ZMQ_BUILD_DRAFT_API
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/* Monitor handshake events on the server */
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ret = zmq_socket_monitor(z->subscriber.socket, "inproc://monitor-server", ZMQ_EVENT_HANDSHAKE_SUCCEED | ZMQ_EVENT_HANDSHAKE_FAILED);
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ret = zmq_socket_monitor(z->in.socket, "inproc://monitor-server", ZMQ_EVENT_HANDSHAKE_SUCCEED | ZMQ_EVENT_HANDSHAKE_FAILED);
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if (ret < 0)
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goto fail;
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/* Create socket for collecting monitor events */
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z->subscriber.mon_socket = zmq_socket(context, ZMQ_PAIR);
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if (!z->subscriber.mon_socket) {
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z->in.mon_socket = zmq_socket(context, ZMQ_PAIR);
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if (!z->in.mon_socket) {
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ret = -1;
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goto fail;
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}
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/* Connect it to the inproc endpoints so they'll get events */
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ret = zmq_connect(z->subscriber.mon_socket, "inproc://monitor-server");
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ret = zmq_connect(z->in.mon_socket, "inproc://monitor-server");
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if (ret < 0)
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goto fail;
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#endif
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/* Spawn server for publisher */
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for (size_t i = 0; i < list_length(&z->publisher.endpoints); i++) {
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char *ep = (char *) list_at(&z->publisher.endpoints, i);
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for (size_t i = 0; i < list_length(&z->out.endpoints); i++) {
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char *ep = (char *) list_at(&z->out.endpoints, i);
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ret = zmq_bind(z->publisher.socket, ep);
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ret = zmq_bind(z->out.socket, ep);
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if (ret < 0)
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goto fail;
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}
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/* Connect subscribers to server socket */
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if (z->subscriber.endpoint) {
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ret = zmq_connect(z->subscriber.socket, z->subscriber.endpoint);
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if (z->in.endpoint) {
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ret = zmq_connect(z->in.socket, z->in.endpoint);
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if (ret < 0) {
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info("Failed to bind ZeroMQ socket: endpoint=%s, error=%s", z->subscriber.endpoint, zmq_strerror(errno));
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info("Failed to bind ZeroMQ socket: endpoint=%s, error=%s", z->in.endpoint, zmq_strerror(errno));
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return ret;
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}
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}
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#ifdef ZMQ_BUILD_DRAFT_API
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if (z->curve.enabled) {
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ret = get_monitor_event(z->subscriber.mon_socket, NULL, NULL);
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ret = get_monitor_event(z->in.mon_socket, NULL, NULL);
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return ret == ZMQ_EVENT_HANDSHAKE_SUCCEED;
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}
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else
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@ -394,17 +404,21 @@ int zeromq_stop(struct node *n)
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int ret;
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struct zeromq *z = (struct zeromq *) n->_vd;
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ret = zmq_close(z->subscriber.socket);
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ret = zmq_close(z->in.socket);
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if (ret)
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return ret;
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#ifdef ZMQ_BUILD_DRAFT_API
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ret = zmq_close(z->subscriber.mon_socket);
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ret = zmq_close(z->in.mon_socket);
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if (ret)
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return ret;
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#endif
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return zmq_close(z->publisher.socket);
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ret = io_destroy(&z->io);
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if (ret)
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return ret;
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return zmq_close(z->out.socket);
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}
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int zeromq_destroy(struct node *n)
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@ -412,7 +426,13 @@ int zeromq_destroy(struct node *n)
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int ret;
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struct zeromq *z = (struct zeromq *) n->_vd;
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ret = io_destroy(&z->io);
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if (z->in.filter)
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free(z->in.filter);
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if (z->out.filter)
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free(z->out.filter);
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ret = list_destroy(&z->out.endpoints, NULL, true);
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if (ret)
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return ret;
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@ -430,11 +450,11 @@ int zeromq_read(struct node *n, struct sample *smps[], unsigned cnt, unsigned *r
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if (ret < 0)
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return ret;
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if (z->filter) {
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if (z->in.filter) {
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switch (z->pattern) {
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case ZEROMQ_PATTERN_PUBSUB:
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/* Discard envelope */
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zmq_recv(z->subscriber.socket, NULL, 0, 0);
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zmq_recv(z->in.socket, NULL, 0, 0);
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break;
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default: { }
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@ -442,7 +462,7 @@ int zeromq_read(struct node *n, struct sample *smps[], unsigned cnt, unsigned *r
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}
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/* Receive payload */
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ret = zmq_msg_recv(&m, z->subscriber.socket, 0);
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ret = zmq_msg_recv(&m, z->in.socket, 0);
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if (ret < 0)
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return ret;
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@ -471,25 +491,25 @@ int zeromq_write(struct node *n, struct sample *smps[], unsigned cnt, unsigned *
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ret = zmq_msg_init_size(&m, wbytes);
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if (z->filter) {
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if (z->out.filter) {
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switch (z->pattern) {
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#ifdef ZMQ_BUILD_DISH
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case ZEROMQ_PATTERN_RADIODISH:
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ret = zmq_msg_set_group(&m, z->filter);
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ret = zmq_msg_set_group(&m, z->out.filter);
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if (ret < 0)
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goto fail;
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break;
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#endif
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case ZEROMQ_PATTERN_PUBSUB: /* Send envelope */
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zmq_send(z->publisher.socket, z->filter, strlen(z->filter), ZMQ_SNDMORE);
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zmq_send(z->out.socket, z->out.filter, strlen(z->out.filter), ZMQ_SNDMORE);
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break;
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}
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}
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memcpy(zmq_msg_data(&m), data, wbytes);
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ret = zmq_msg_send(&m, z->publisher.socket, 0);
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ret = zmq_msg_send(&m, z->out.socket, 0);
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if (ret < 0)
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goto fail;
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@ -513,7 +533,7 @@ int zeromq_fd(struct node *n)
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int fd;
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size_t len = sizeof(fd);
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ret = zmq_getsockopt(z->subscriber.socket, ZMQ_FD, &fd, &len);
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ret = zmq_getsockopt(z->in.socket, ZMQ_FD, &fd, &len);
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if (ret)
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return ret;
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