From b79dfcbc615917681204f97d0f0f36c1d58baa06 Mon Sep 17 00:00:00 2001
From: Dan Buch <daniel.buch@gmail.com>
Date: Fri, 16 Mar 2012 15:24:24 -0400
Subject: [PATCH] Working through the weather update pub/sub example

---
 zeromq/.gitignore |  1 +
 zeromq/Makefile   | 11 ++++-------
 zeromq/wuserver.c | 24 ++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 7 deletions(-)
 create mode 100644 zeromq/wuserver.c

diff --git a/zeromq/.gitignore b/zeromq/.gitignore
index 65c3bdc..b101c65 100644
--- a/zeromq/.gitignore
+++ b/zeromq/.gitignore
@@ -1,2 +1,3 @@
 hwserver
 hwclient
+wuserver
diff --git a/zeromq/Makefile b/zeromq/Makefile
index c28abc1..5ca1d7d 100644
--- a/zeromq/Makefile
+++ b/zeromq/Makefile
@@ -1,16 +1,13 @@
 CFLAGS += -I. -I/usr/local/include
 LDFLAGS += -lstdc++ -lpthread -luuid -lrt
+LIBZMQ := /usr/local/lib/libzmq.a
 
 
-all: hwserver hwclient
+%:%.c
+	$(CC) $(CFLAGS) -o $@ $^ $(LIBZMQ) $(LDFLAGS)
 
 
-hwserver: hwserver.c /usr/local/lib/libzmq.a
-	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
-
-
-hwclient: hwclient.c /usr/local/lib/libzmq.a
-	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+all: hwserver hwclient wuserver
 
 
 .PHONY: all
diff --git a/zeromq/wuserver.c b/zeromq/wuserver.c
new file mode 100644
index 0000000..0fbea45
--- /dev/null
+++ b/zeromq/wuserver.c
@@ -0,0 +1,24 @@
+#include "zhelpers.h"
+
+int main(void)
+{
+    void *context = zmq_init(1);
+    void *publisher = zmq_socket(context, ZMQ_PUB);
+    zmq_bind(publisher, "tcp://*:5556");
+    zmq_bind(publisher, "ipc://weather.ipc");
+
+    srandom((unsigned) time (NULL));
+    while (1) {
+        int zipcode, temperature, relhumidity;
+        zipcode = randof(100000);
+        temperature = randof(215) - 80;
+        relhumidity = randof(50) + 10;
+
+        char update[20];
+        sprintf(update, "%05d %d %d", zipcode, temperature, relhumidity);
+        s_send(publisher, update);
+    }
+    zmq_close(publisher);
+    zmq_term(context);
+    return 0;
+}