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have evhttp_set_cb return an int; -1 on failure, 0 on success; this is better than returning a pointer

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svn:r1179
This commit is contained in:
Niels Provos 2009-04-17 01:03:07 +00:00
parent edfc28caef
commit 30648529e8
3 changed files with 28 additions and 4 deletions
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9
http.c
View File

@ -2557,12 +2557,17 @@ evhttp_set_timeout(struct evhttp* http, int timeout_in_secs)
http->timeout = timeout_in_secs;
}
void
int
evhttp_set_cb(struct evhttp *http, const char *uri,
void (*cb)(struct evhttp_request *, void *), void *cbarg)
{
struct evhttp_cb *http_cb;
TAILQ_FOREACH(http_cb, &http->callbacks, next) {
if (strcmp(http_cb->what, uri) == 0)
return (-1);
}
if ((http_cb = mm_calloc(1, sizeof(struct evhttp_cb))) == NULL)
event_err(1, "%s: calloc", __func__);
@ -2571,6 +2576,8 @@ evhttp_set_cb(struct evhttp *http, const char *uri,
http_cb->cbarg = cbarg;
TAILQ_INSERT_TAIL(&http->callbacks, http_cb, next);
return (0);
}
int

14
include/event2/http.h
View File

@ -119,9 +119,17 @@ int evhttp_accept_socket(struct evhttp *http, evutil_socket_t fd);
*/
void evhttp_free(struct evhttp* http);
/** Set a callback for a specified URI */
void evhttp_set_cb(struct evhttp *, const char *,
void (*)(struct evhttp_request *, void *), void *);
/**
Set a callback for a specified URI
@param http the http sever on which to set the callback
@param path the path for which to invoke the callback
@param cb the callback function that gets invoked on requesting path
@param cb_arg an additional context argument for the callback
@return 0 on success, -1 if the callback existed already
*/
int evhttp_set_cb(struct evhttp *http, const char *path,
void (*cb)(struct evhttp_request *, void *), void *cb_arg);
/** Removes the callback for a specified URI */
int evhttp_del_cb(struct evhttp *, const char *);

9
test/regress_http.c
View File

@ -2076,6 +2076,7 @@ static void
http_primitives(void *ptr)
{
char *escaped = NULL;
struct evhttp *http;
escaped = evhttp_htmlescape("<script>");
tt_str_op(escaped, ==, "&lt;script&gt;");
@ -2084,6 +2085,14 @@ http_primitives(void *ptr)
escaped = evhttp_htmlescape("\"\'&");
tt_str_op(escaped, ==, "&quot;&#039;&amp;");
http = evhttp_new(NULL);
tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, NULL), ==, 0);
tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, NULL), ==, -1);
tt_int_op(evhttp_del_cb(http, "/test"), ==, 0);
tt_int_op(evhttp_del_cb(http, "/test"), ==, -1);
tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, NULL), ==, 0);
evhttp_free(http);
end:
if (escaped)
free(escaped);