aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/libevent/patches/2596954-http.patch
blob: c638f5002a7672b7fb2a00b0eb0adfdd5e1912c2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
commit 26d7a4430dbf9c9c6fa4efaf06c22bdf447f07b7
author: aozeritsky
date: 2016-12-19T19:47:17+03:00
revision: 2596954

    [LOGBROKER-2064] apply https patches

--- libevent/http-internal.h	(index)
+++ libevent/http-internal.h	(working tree)
@@ -13,6 +13,7 @@
 #include "event2/event_struct.h"
 #include "util-internal.h"
 #include "defer-internal.h"
+#include "event2/http.h"

 #define HTTP_CONNECT_TIMEOUT	45
 #define HTTP_WRITE_TIMEOUT	50
@@ -55,6 +56,8 @@ struct evhttp_connection {

 	evutil_socket_t fd;
 	struct bufferevent *bufev;
+	bev_factory_cb bufcb;
+	void *bufcb_arg;

 	struct event retry_ev;		/* for retrying connects */

--- libevent/http.c	(index)
+++ libevent/http.c	(working tree)
@@ -1355,6 +1355,23 @@ evhttp_connection_reset_(struct evhttp_connection *evcon)
 		if (evhttp_connected(evcon) && evcon->closecb != NULL)
 			(*evcon->closecb)(evcon, evcon->closecb_arg);

+		/* if we have a bufferevent factory callback set, get a new bufferevent */
+		if (NULL != evcon->bufcb && -1 != bufferevent_getfd(evcon->bufev)) {
+			struct bufferevent *bev = (*evcon->bufcb)(evcon->bufcb_arg);
+
+			if (NULL == bev) {
+				event_warn("%s: bufferevent factory callback failed", __func__);
+			}
+			else {
+				if (bufferevent_get_base(bev) != evcon->base) {
+					bufferevent_base_set(evcon->base, bev);
+				}
+
+				bufferevent_free(evcon->bufev);
+				evcon->bufev = bev;
+			}
+		}
+
 		shutdown(evcon->fd, EVUTIL_SHUT_WR);
 		evutil_closesocket(evcon->fd);
 		evcon->fd = -1;
@@ -2376,6 +2393,30 @@ evhttp_read_header(struct evhttp_connection *evcon,
  * happen elsewhere.
  */

+struct evhttp_connection *evhttp_connection_base_bufferevent_factory_new(
+       struct event_base *base, struct evdns_base *dnsbase,
+       bev_factory_cb cb, void * arg, const char *address, unsigned short port)
+{
+       struct bufferevent *bev = NULL;
+
+       if (NULL != cb) {
+               if (NULL == (bev = (*cb)(arg))) {
+                       event_warn("%s: bufferevent factory callback failed", __func__);
+                       return (NULL);
+               }
+       }
+
+       struct evhttp_connection *ret =
+               evhttp_connection_base_bufferevent_new(base, dnsbase, bev, address, port);
+
+       if (NULL != ret) {
+               ret->bufcb = cb;
+               ret->bufcb_arg = arg;
+       }
+
+       return (ret);
+}
+
 struct evhttp_connection *
 evhttp_connection_new(const char *address, ev_uint16_t port)
 {
--- libevent/include/event2/http.h	(index)
+++ libevent/include/event2/http.h	(working tree)
@@ -234,6 +234,9 @@ EVENT2_EXPORT_SYMBOL
 void evhttp_set_default_content_type(struct evhttp *http,
 	const char *content_type);

+void evhttp_set_bevcb(struct evhttp *http,
+    struct bufferevent* (*cb)(struct event_base *, void *), void *arg);
+
 /**
   Sets the what HTTP methods are supported in requests accepted by this
   server, and passed to user callbacks.
@@ -392,6 +395,11 @@ int evhttp_set_flags(struct evhttp *http, int flags);

 /* Request/Response functionality */

+struct evhttp_connection *evhttp_connection_base_bufferevent_new(
+	struct event_base *base, struct evdns_base *dnsbase, struct bufferevent* bev, const char *address, unsigned short port);
+
+struct bufferevent* evhttp_connection_get_bufferevent(struct evhttp_connection *evcon);
+
 /**
  * Send an HTML error message to the client.
  *
@@ -528,6 +536,38 @@ struct evhttp_connection *evhttp_connection_base_bufferevent_new(
 	struct event_base *base, struct evdns_base *dnsbase, struct bufferevent* bev, const char *address, ev_uint16_t port);

 /**
+ * Creates and returns a new bufferevent object.
+ */
+typedef struct bufferevent* (*bev_factory_cb)(void *);
+
+/**
+ * Create and return a connection object that can be used for making HTTP
+ * requests.  The connection object tries to resolve address and establish the
+ * connection when it is given an http request object.  The specified factory
+ * function is called with the user-supplied argument to retrieve a new
+ * bufferevent whenever the underlying HTTP connection needs to be
+ * reestablished.  This is what you want if, for example, you have a bufferevent
+ * that needs to perform some setup for new connections, such as an SSL
+ * bufferevent.
+ *
+ * @param base the event_base to use for handling the connection
+ * @param dnsbase the dns_base to use for resolving host names; if not
+ *     specified host name resolution will block.
+ * @param cb a callback that returns a new bufferevent to use for connecting to
+ *     the server; if NULL, behavior is the same as in calling
+ *     evhttp_connection_base_bufferevent_new with a NULL bufferevent.  The
+ *     returned bufferevents will be freed as necessary.  The returned
+ *     bufferevents must have no fd set on them.
+ * @param arg the argument to supply to the callback
+ * @param address the address to which to connect
+ * @param port the port to connect to
+ * @return an evhttp_connection object that can be used for making requests
+ */
+struct evhttp_connection *evhttp_connection_base_bufferevent_factory_new(
+	struct event_base *base, struct evdns_base *dnsbase,
+	bev_factory_cb cb, void * arg, const char *address, unsigned short port);
+
+/**
  * Return the bufferevent that an evhttp_connection is using.
  */
 EVENT2_EXPORT_SYMBOL