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authorDaniel Stenberg <daniel@haxx.se>2013-03-10 19:44:48 +0100
committerDaniel Stenberg <daniel@haxx.se>2013-03-10 19:46:19 +0100
commitad361d109bb31cbbdc564c41bf0995b738d93206 (patch)
tree3db5501c4c109d7bcc185bc00eeb1f21e10bde31 /docs
parent1fcf52cae4ca8f6c407dc5a762bcae47f8e47417 (diff)
hiperfifo: updated to use current libevent API
Patch by: Myk Taylor
Diffstat (limited to 'docs')
-rw-r--r--docs/examples/hiperfifo.c66
1 files changed, 42 insertions, 24 deletions
diff --git a/docs/examples/hiperfifo.c b/docs/examples/hiperfifo.c
index 6036643b1..4c4e22388 100644
--- a/docs/examples/hiperfifo.c
+++ b/docs/examples/hiperfifo.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -24,7 +24,7 @@
Written by Jeff Pohlmeyer
-Requires libevent and a (POSIX?) system that has mkfifo().
+Requires libevent version 2 and a (POSIX?) system that has mkfifo().
This is an adaptation of libcurl's "hipev.c" and libevent's "event-test.c"
sample programs.
@@ -61,7 +61,7 @@ callback.
#include <unistd.h>
#include <sys/poll.h>
#include <curl/curl.h>
-#include <event.h>
+#include <event2/event.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
@@ -71,9 +71,11 @@ callback.
/* Global information, common to all connections */
-typedef struct _GlobalInfo {
- struct event fifo_event;
- struct event timer_event;
+typedef struct _GlobalInfo
+{
+ struct event_base *evbase;
+ struct event *fifo_event;
+ struct event *timer_event;
CURLM *multi;
int still_running;
FILE* input;
@@ -81,7 +83,8 @@ typedef struct _GlobalInfo {
/* Information associated with a specific easy handle */
-typedef struct _ConnInfo {
+typedef struct _ConnInfo
+{
CURL *easy;
char *url;
GlobalInfo *global;
@@ -90,12 +93,13 @@ typedef struct _ConnInfo {
/* Information associated with a specific socket */
-typedef struct _SockInfo {
+typedef struct _SockInfo
+{
curl_socket_t sockfd;
CURL *easy;
int action;
long timeout;
- struct event ev;
+ struct event *ev;
int evset;
GlobalInfo *global;
} SockInfo;
@@ -111,7 +115,7 @@ static int multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g)
timeout.tv_sec = timeout_ms/1000;
timeout.tv_usec = (timeout_ms%1000)*1000;
fprintf(MSG_OUT, "multi_timer_cb: Setting timeout to %ld ms\n", timeout_ms);
- evtimer_add(&g->timer_event, &timeout);
+ evtimer_add(g->timer_event, &timeout);
return 0;
}
@@ -186,8 +190,8 @@ static void event_cb(int fd, short kind, void *userp)
check_multi_info(g);
if ( g->still_running <= 0 ) {
fprintf(MSG_OUT, "last transfer done, kill timeout\n");
- if (evtimer_pending(&g->timer_event, NULL)) {
- evtimer_del(&g->timer_event);
+ if (evtimer_pending(g->timer_event, NULL)) {
+ evtimer_del(g->timer_event);
}
}
}
@@ -215,7 +219,7 @@ static void remsock(SockInfo *f)
{
if (f) {
if (f->evset)
- event_del(&f->ev);
+ event_free(f->ev);
free(f);
}
}
@@ -232,16 +236,17 @@ static void setsock(SockInfo*f, curl_socket_t s, CURL*e, int act, GlobalInfo*g)
f->action = act;
f->easy = e;
if (f->evset)
- event_del(&f->ev);
- event_set(&f->ev, f->sockfd, kind, event_cb, g);
- f->evset=1;
- event_add(&f->ev, NULL);
+ event_free(f->ev);
+ f->ev = event_new(g->evbase, f->sockfd, kind, event_cb, g);
+ f->evset = 1;
+ event_add(f->ev, NULL);
}
/* Initialize a new SockInfo structure */
-static void addsock(curl_socket_t s, CURL *easy, int action, GlobalInfo *g) {
+static void addsock(curl_socket_t s, CURL *easy, int action, GlobalInfo *g)
+{
SockInfo *fdp = calloc(sizeof(SockInfo), 1);
fdp->global = g;
@@ -359,10 +364,10 @@ static void fifo_cb(int fd, short event, void *arg)
}
/* Create a named pipe and tell libevent to monitor it */
+static const char *fifo = "hiper.fifo";
static int init_fifo (GlobalInfo *g)
{
struct stat st;
- static const char *fifo = "hiper.fifo";
curl_socket_t sockfd;
fprintf(MSG_OUT, "Creating named pipe \"%s\"\n", fifo);
@@ -386,11 +391,18 @@ static int init_fifo (GlobalInfo *g)
g->input = fdopen(sockfd, "r");
fprintf(MSG_OUT, "Now, pipe some URL's into > %s\n", fifo);
- event_set(&g->fifo_event, sockfd, EV_READ | EV_PERSIST, fifo_cb, g);
- event_add(&g->fifo_event, NULL);
+ g->fifo_event = event_new(g->evbase, sockfd, EV_READ|EV_PERSIST, fifo_cb, g);
+ event_add(g->fifo_event, NULL);
return (0);
}
+static void clean_fifo(GlobalInfo *g)
+{
+ event_free(g->fifo_event);
+ fclose(g->input);
+ unlink(fifo);
+}
+
int main(int argc, char **argv)
{
GlobalInfo g;
@@ -398,10 +410,10 @@ int main(int argc, char **argv)
(void)argv;
memset(&g, 0, sizeof(GlobalInfo));
- event_init();
+ g.evbase = event_base_new();
init_fifo(&g);
g.multi = curl_multi_init();
- evtimer_set(&g.timer_event, timer_cb, &g);
+ g.timer_event = evtimer_new(g.evbase, timer_cb, &g);
/* setup the generic multi interface options we want */
curl_multi_setopt(g.multi, CURLMOPT_SOCKETFUNCTION, sock_cb);
@@ -412,7 +424,13 @@ int main(int argc, char **argv)
/* we don't call any curl_multi_socket*() function yet as we have no handles
added! */
- event_dispatch();
+ event_base_dispatch(g.evbase);
+
+ /* this, of course, won't get called since only way to stop this program is
+ via ctrl-C, but it is here to show how cleanup /would/ be done. */
+ clean_fifo(&g);
+ event_free(g.timer_event);
+ event_base_free(g.evbase);
curl_multi_cleanup(g.multi);
return 0;
}