1 /* ====================================================================
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 * ====================================================================
19 */
20
21 #include <apr_pools.h>
22 #include <apr_network_io.h>
23
24 #include "serf.h"
25 #include "serf_private.h"
26 #include "serf_bucket_util.h"
27
28
29 typedef struct {
30 apr_socket_t *skt;
31
32 serf_databuf_t databuf;
33
34 /* Progress callback */
35 serf_progress_t progress_func;
36 void *progress_baton;
37 } socket_context_t;
38
39
socket_reader(void * baton,apr_size_t bufsize,char * buf,apr_size_t * len)40 static apr_status_t socket_reader(void *baton, apr_size_t bufsize,
41 char *buf, apr_size_t *len)
42 {
43 socket_context_t *ctx = baton;
44 apr_status_t status;
45
46 *len = bufsize;
47 status = apr_socket_recv(ctx->skt, buf, len);
48
49 if (status && !APR_STATUS_IS_EAGAIN(status))
50 serf__log_skt(SOCK_VERBOSE, __FILE__, ctx->skt,
51 "socket_recv error %d\n", status);
52
53 if (*len)
54 serf__log_skt(SOCK_MSG_VERBOSE, __FILE__, ctx->skt,
55 "--- socket_recv:\n%.*s\n-(%d)-\n",
56 *len, buf, *len);
57
58 if (ctx->progress_func && *len)
59 ctx->progress_func(ctx->progress_baton, *len, 0);
60
61 return status;
62 }
63
serf_bucket_socket_create(apr_socket_t * skt,serf_bucket_alloc_t * allocator)64 serf_bucket_t *serf_bucket_socket_create(
65 apr_socket_t *skt,
66 serf_bucket_alloc_t *allocator)
67 {
68 socket_context_t *ctx;
69
70 /* Oh, well. */
71 ctx = serf_bucket_mem_alloc(allocator, sizeof(*ctx));
72 ctx->skt = skt;
73
74 serf_databuf_init(&ctx->databuf);
75 ctx->databuf.read = socket_reader;
76 ctx->databuf.read_baton = ctx;
77
78 ctx->progress_func = NULL;
79 ctx->progress_baton = NULL;
80 return serf_bucket_create(&serf_bucket_type_socket, allocator, ctx);
81 }
82
serf_bucket_socket_set_read_progress_cb(serf_bucket_t * bucket,const serf_progress_t progress_func,void * progress_baton)83 void serf_bucket_socket_set_read_progress_cb(
84 serf_bucket_t *bucket,
85 const serf_progress_t progress_func,
86 void *progress_baton)
87 {
88 socket_context_t *ctx = bucket->data;
89
90 ctx->progress_func = progress_func;
91 ctx->progress_baton = progress_baton;
92 }
93
serf_socket_read(serf_bucket_t * bucket,apr_size_t requested,const char ** data,apr_size_t * len)94 static apr_status_t serf_socket_read(serf_bucket_t *bucket,
95 apr_size_t requested,
96 const char **data, apr_size_t *len)
97 {
98 socket_context_t *ctx = bucket->data;
99
100 return serf_databuf_read(&ctx->databuf, requested, data, len);
101 }
102
serf_socket_readline(serf_bucket_t * bucket,int acceptable,int * found,const char ** data,apr_size_t * len)103 static apr_status_t serf_socket_readline(serf_bucket_t *bucket,
104 int acceptable, int *found,
105 const char **data, apr_size_t *len)
106 {
107 socket_context_t *ctx = bucket->data;
108
109 return serf_databuf_readline(&ctx->databuf, acceptable, found, data, len);
110 }
111
serf_socket_peek(serf_bucket_t * bucket,const char ** data,apr_size_t * len)112 static apr_status_t serf_socket_peek(serf_bucket_t *bucket,
113 const char **data,
114 apr_size_t *len)
115 {
116 socket_context_t *ctx = bucket->data;
117
118 return serf_databuf_peek(&ctx->databuf, data, len);
119 }
120
121 const serf_bucket_type_t serf_bucket_type_socket = {
122 "SOCKET",
123 serf_socket_read,
124 serf_socket_readline,
125 serf_default_read_iovec,
126 serf_default_read_for_sendfile,
127 serf_default_read_bucket,
128 serf_socket_peek,
129 serf_default_destroy_and_data,
130 };
131