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Working through the weather update pub/sub example

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This commit is contained in:
Dan Buch 2012-03-16 15:24:24 -04:00
parent c3731f19a7
commit b79dfcbc61
3 changed files with 29 additions and 7 deletions
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1
zeromq/.gitignore vendored
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@ -1,2 +1,3 @@
hwserver hwserver
hwclient hwclient
wuserver

11
zeromq/Makefile
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@ -1,16 +1,13 @@
CFLAGS += -I. -I/usr/local/include CFLAGS += -I. -I/usr/local/include
LDFLAGS += -lstdc++ -lpthread -luuid -lrt 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 all: hwserver hwclient wuserver
$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
hwclient: hwclient.c /usr/local/lib/libzmq.a
$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
.PHONY: all .PHONY: all

24
zeromq/wuserver.c Normal file
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@ -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;
}