From a600b87d42f32fbf0eff6156842f7fdc01bd45a0 Mon Sep 17 00:00:00 2001
From: Dan Buch <daniel.buch@gmail.com>
Date: Fri, 16 Mar 2012 09:43:49 -0400
Subject: [PATCH] Filling in the example C client, too

---
 zeromq/.gitignore |  1 +
 zeromq/Makefile   | 10 ++++++++++
 zeromq/hwclient.c | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 43 insertions(+)
 create mode 100644 zeromq/hwclient.c

diff --git a/zeromq/.gitignore b/zeromq/.gitignore
index a409554..65c3bdc 100644
--- a/zeromq/.gitignore
+++ b/zeromq/.gitignore
@@ -1 +1,2 @@
 hwserver
+hwclient
diff --git a/zeromq/Makefile b/zeromq/Makefile
index fce3613..c28abc1 100644
--- a/zeromq/Makefile
+++ b/zeromq/Makefile
@@ -2,5 +2,15 @@ CFLAGS += -I. -I/usr/local/include
 LDFLAGS += -lstdc++ -lpthread -luuid -lrt
 
 
+all: hwserver hwclient
+
+
 hwserver: hwserver.c /usr/local/lib/libzmq.a
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+
+hwclient: hwclient.c /usr/local/lib/libzmq.a
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+
+.PHONY: all
diff --git a/zeromq/hwclient.c b/zeromq/hwclient.c
new file mode 100644
index 0000000..16c600c
--- /dev/null
+++ b/zeromq/hwclient.c
@@ -0,0 +1,32 @@
+#include <zmq.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int main(void)
+{
+    void *context = zmq_init(1);
+
+    printf("Connecting to hello world server.\n");
+    void *requester = zmq_socket(context, ZMQ_REQ);
+    zmq_connect(requester, "tcp://localhost:5555");
+
+    int request_nbr;
+    for (request_nbr = 0; request_nbr != 10; request_nbr++) {
+        zmq_msg_t request;
+        zmq_msg_init_size(&request, 5);
+        memcpy(zmq_msg_data(&request), "Hello", 5);
+        printf("Sending Hello %d...\n", request_nbr);
+        zmq_send(requester, &request, 0);
+        zmq_msg_close(&request);
+
+        zmq_msg_t reply;
+        zmq_msg_init(&reply);
+        zmq_recv(requester, &reply, 0);
+        printf("Received World %d\n", request_nbr);
+        zmq_msg_close(&reply);
+    }
+    zmq_close(requester);
+    zmq_term(context);
+    return 0;
+}