Started pub/sub test.

.gitignore

@@ -4,3 +4,4 @@
 webdis
 websocket
 *.png
+pubsub

tests/Makefile

@@ -1,4 +1,4 @@
-OUT=websocket
+OUT=websocket pubsub
 CFLAGS=-O3 -Wall -Wextra
 LDFLAGS=-levent -lpthread
 

tests/pubsub.c

@@ -0,0 +1,126 @@
+#include <stdlib.h>
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <arpa/inet.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <event.h>
+
+struct reader {
+	int fd;
+
+	struct event ev;
+	struct event_base *base;
+};
+
+int
+webdis_connect(const char *host, short port) {
+
+	int ret;
+	int fd;
+	struct sockaddr_in addr;
+
+	/* connect socket */
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons(port);
+	memset(&(addr.sin_addr), 0, sizeof(addr.sin_addr));
+	addr.sin_addr.s_addr = inet_addr(host);
+
+	ret = connect(fd, (struct sockaddr*)&addr, sizeof(struct sockaddr));
+	if(ret != 0) {
+		fprintf(stderr, "connect: ret=%d: %s\n", ret, strerror(errno));
+		return -1;
+	}
+
+	return fd;
+}
+
+void
+reader_http_request(struct reader *r) {
+
+	char buffer[] = "GET /SUBSCRIBE/chan HTTP/1.1\r\n\r\n";
+	char first_msg[] = "{\"SUBSCRIBE\":[\"subscribe\",\"chan\",1]}";
+	char resp[2048];
+	int pos = 0;
+
+	write(r->fd, buffer, sizeof(buffer)-1);
+
+	memset(resp, 0, sizeof(resp));
+	while(1) {
+		int ret = read(r->fd, resp+pos, sizeof(resp)-pos);
+		if(ret <= 0) {
+			printf("fd=%d, ret=%d\n", r->fd, ret);
+			return;
+		}
+		pos += ret;
+
+		if(strstr(resp, first_msg) != NULL) {
+			break;
+		}
+	}
+}
+
+void
+reader_can_read(int fd, short event, void *ptr) {
+
+	struct reader *r = ptr;
+	printf("Reader can read on fd=%d\n", fd);
+
+	// reader_install(r);
+}
+
+void
+reader_install(struct reader *r) {
+
+	event_set(&r->ev, r->fd, EV_READ, reader_can_read, r);
+	event_base_set(r->base, &r->ev);
+	event_add(&r->ev, NULL);
+
+}
+
+void
+reader_new(struct event_base *base) {
+
+	struct reader *r = malloc(sizeof(struct reader));
+	r->base = base;
+	r->fd = webdis_connect("127.0.0.1", 7379);
+
+	/* send read request. */
+	reader_http_request(r);
+
+	reader_install(r);
+}
+
+void
+write_can_write(int fd, short event, void *ptr) {
+
+	printf("Can write on fd=%d\n", fd);
+
+}
+
+
+int
+main(int argc, char *argv[]) {
+
+	/* Create R readers and W writers, send N messages in total. */
+
+	struct event_base *base = event_base_new();
+	int r = 10, w = 10, n = 1000;
+	int i;
+
+	for(i = 0; i < w; ++i) {
+		reader_new(base);
+	}
+
+	event_base_dispatch(base);
+
+	return EXIT_SUCCESS;
+}
+