Porting PicoTCP WIP

kernel/picotcp/test/examples/mdns.c

@@ -0,0 +1,83 @@
+#include "utils.h"
+#include "pico_dns_common.h"
+#include "pico_mdns.h"
+#include "pico_ipv4.h"
+#include "pico_addressing.h"
+
+/*** START MDNS ***/
+
+#ifdef PICO_SUPPORT_MDNS
+
+#define SECONDS 10
+
+static int fully_initialized = 0;
+
+void mdns_init_callback( pico_mdns_rtree *rtree,
+                         char *str,
+                         void *arg )
+{
+    printf("\nInitialised with hostname: %s\n\n", str);
+
+    fully_initialized = 1;
+}
+
+void app_mdns(char *arg, struct pico_ip4 address)
+{
+    char *hostname, *peername;
+    char *nxt = arg;
+    uint64_t starttime = 0;
+    int once = 0;
+
+    if (!nxt)
+        exit(255);
+
+    nxt = cpy_arg(&hostname, nxt);
+    if(!hostname) {
+        exit(255);
+    }
+
+    if(!nxt) {
+        printf("Not enough args supplied!\n");
+        exit(255);
+    }
+
+    nxt = cpy_arg(&peername, nxt);
+    if(!peername) {
+        exit(255);
+    }
+
+    printf("\nStarting mDNS module...\n");
+    if (pico_mdns_init(hostname, address, &mdns_init_callback, NULL)) {
+        printf("Initialisation returned with Error!\n");
+        exit(255);
+    }
+
+    printf("\nTry reinitialising mDNS\n");
+    if (pico_mdns_init(hostname, address, &mdns_init_callback, NULL)) {
+        printf("Initialisation returned with Error!\n");
+        exit(255);
+    }
+
+    printf("DONE - Re-initialising mDNS module.\n");
+
+    starttime = PICO_TIME_MS();
+    printf("Starting time: %d\n", starttime);
+
+    while(1) {
+        pico_stack_tick();
+        usleep(2000);
+
+        if (((PICO_TIME_MS() - starttime) > SECONDS * 1000) && fully_initialized && !once) {
+            printf("\nTry reinitialising mDNS (a second time)\n");
+            if (pico_mdns_init(hostname, address, &mdns_init_callback, NULL)) {
+                printf("Initialisation returned with Error!\n");
+                exit(255);
+            }
+            once = 1;
+            printf("DONE - Re-initialising mDNS module. (a second time)\n");
+        }
+
+    }
+}
+#endif
+/*** END MDNS ***/