moved all third-party lib to separate folder

thirdparty/libcsp/examples/zmqproxy.c

@@ -0,0 +1,82 @@
+#include <zmq.h>
+#include <assert.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <malloc.h>
+#include <unistd.h>
+#include <csp/csp.h>
+
+static void * task_capture(void *ctx) {
+
+    /* Subscriber (RX) */
+    void *subscriber = zmq_socket(ctx, ZMQ_SUB);
+    assert(zmq_connect(subscriber, "tcp://localhost:7000") == 0);
+    assert(zmq_setsockopt(subscriber, ZMQ_SUBSCRIBE, "", 0) == 0);
+
+    while (1) {
+    	zmq_msg_t msg;
+        zmq_msg_init_size(&msg, 1024);
+
+        /* Receive data */
+        if (zmq_msg_recv(&msg, subscriber, 0) < 0) {
+            zmq_msg_close(&msg);
+            csp_log_error("ZMQ: %s\r\n", zmq_strerror(zmq_errno()));
+            continue;
+        }
+
+        int datalen = zmq_msg_size(&msg);
+        if (datalen < 5) {
+            csp_log_warn("ZMQ: Too short datalen: %u\r\n", datalen);
+            while(zmq_msg_recv(&msg, subscriber, ZMQ_NOBLOCK) > 0)
+                zmq_msg_close(&msg);
+            continue;
+        }
+
+        /* Create new csp packet */
+        csp_packet_t * packet = malloc(1024);
+        if (packet == NULL) {
+            zmq_msg_close(&msg);
+            continue;
+        }
+
+        /* Copy the data from zmq to csp */
+        char * satidptr = ((char *) &packet->id) - 1;
+        memcpy(satidptr, zmq_msg_data(&msg), datalen);
+        packet->length = datalen - 4 - 1;
+
+        printf("Input: Src %u, Dst %u, Dport %u, Sport %u, Pri %u, Flags 0x%02X, Size %"PRIu16"\r\n",
+               packet->id.src, packet->id.dst, packet->id.dport,
+               packet->id.sport, packet->id.pri, packet->id.flags, packet->length);
+
+        free(packet);
+        zmq_msg_close(&msg);
+    }
+}
+
+int main(int argc, char ** argv) {
+
+    /**
+     * ZMQ PROXY
+     */
+    void * ctx = zmq_ctx_new();
+    assert(ctx);
+
+    void *frontend = zmq_socket(ctx, ZMQ_XSUB);
+    assert(frontend);
+    assert(zmq_bind (frontend, "tcp://*:6000") == 0);
+
+    void *backend = zmq_socket(ctx, ZMQ_XPUB);
+    assert(backend);
+    assert(zmq_bind(backend, "tcp://*:7000") == 0);
+
+    pthread_t capworker;
+    pthread_create(&capworker, NULL, task_capture, ctx);
+
+    printf("Starting ZMQproxy\r\n");
+    zmq_proxy(frontend, backend, NULL);
+
+    printf("Closing ZMQproxy\r\n");
+    zmq_ctx_destroy(ctx);
+    return 0;
+
+}