Minor changes

1 files changed, 39 insertions, 0 deletions

diff --git a/src/client.c b/src/client.c
new file mode 100644
index 0000000..d4a6c5c
--- /dev/null
+++ b/src/client.c
@@ -0,0 +1,39 @@
+//  Weather update client
+//  Connects SUB socket to tcp://localhost:5556
+//  Collects weather updates and finds avg temp in zipcode
+#include <zmq.h>
+#include <assert.h>
+#include <time.h>
+#include <string.h>
+
+#include "utils.h"
+
+
+int main (int argc, char *argv [])
+{
+    //  Socket to talk to server
+    printf ("Collecting updates from weather server...\n");
+    void *context = zmq_ctx_new ();
+    void *subscriber = zmq_socket (context, ZMQ_SUB);
+    int rc = zmq_connect (subscriber, "tcp://"STRINGIFY(PUBLISHER_ADDR)":"STRINGIFY(PUBLISHER_PORT));
+    assert (rc == 0);
+
+    //  Subscribe to zipcode, default is NYC, 10001
+ //  Subscribe to zipcode, default is NYC, 10001
+    const char *filter = "Hello";
+    rc = zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE,
+                         filter, strlen(filter));
+    assert (rc == 0);
+
+    //  Process 100 updates
+    int update_nbr;
+    char buffer[10];
+    for (update_nbr = 0; update_nbr < 100; update_nbr++) {
+      zmq_recv (subscriber, buffer, 10, 0);
+      printf("Received!");
+    }
+
+    zmq_close (subscriber);
+    zmq_ctx_destroy (context);
+    return 0;
+}
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