socket_buckets.c revision 262339 
1/* Copyright 2002-2004 Justin Erenkrantz and Greg Stein
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <apr_pools.h>
17#include <apr_network_io.h>
18
19#include "serf.h"
20#include "serf_private.h"
21#include "serf_bucket_util.h"
22
23
24typedef struct {
25    apr_socket_t *skt;
26
27    serf_databuf_t databuf;
28
29    /* Progress callback */
30    serf_progress_t progress_func;
31    void *progress_baton;
32} socket_context_t;
33
34
35static apr_status_t socket_reader(void *baton, apr_size_t bufsize,
36                                  char *buf, apr_size_t *len)
37{
38    socket_context_t *ctx = baton;
39    apr_status_t status;
40
41    *len = bufsize;
42    status = apr_socket_recv(ctx->skt, buf, len);
43
44    if (status && !APR_STATUS_IS_EAGAIN(status))
45        serf__log_skt(SOCK_VERBOSE, __FILE__, ctx->skt,
46                      "socket_recv error %d\n", status);
47
48    if (*len)
49        serf__log_skt(SOCK_MSG_VERBOSE, __FILE__, ctx->skt,
50                      "--- socket_recv:\n%.*s\n-(%d)-\n",
51                      *len, buf, *len);
52
53    if (ctx->progress_func && *len)
54        ctx->progress_func(ctx->progress_baton, *len, 0);
55
56    return status;
57}
58
59serf_bucket_t *serf_bucket_socket_create(
60    apr_socket_t *skt,
61    serf_bucket_alloc_t *allocator)
62{
63    socket_context_t *ctx;
64
65    /* Oh, well. */
66    ctx = serf_bucket_mem_alloc(allocator, sizeof(*ctx));
67    ctx->skt = skt;
68
69    serf_databuf_init(&ctx->databuf);
70    ctx->databuf.read = socket_reader;
71    ctx->databuf.read_baton = ctx;
72
73    ctx->progress_func = NULL;
74    ctx->progress_baton = NULL;
75    return serf_bucket_create(&serf_bucket_type_socket, allocator, ctx);
76}
77
78void serf_bucket_socket_set_read_progress_cb(
79    serf_bucket_t *bucket,
80    const serf_progress_t progress_func,
81    void *progress_baton)
82{
83    socket_context_t *ctx = bucket->data;
84
85    ctx->progress_func = progress_func;
86    ctx->progress_baton = progress_baton;
87}
88
89static apr_status_t serf_socket_read(serf_bucket_t *bucket,
90                                     apr_size_t requested,
91                                     const char **data, apr_size_t *len)
92{
93    socket_context_t *ctx = bucket->data;
94
95    return serf_databuf_read(&ctx->databuf, requested, data, len);
96}
97
98static apr_status_t serf_socket_readline(serf_bucket_t *bucket,
99                                         int acceptable, int *found,
100                                         const char **data, apr_size_t *len)
101{
102    socket_context_t *ctx = bucket->data;
103
104    return serf_databuf_readline(&ctx->databuf, acceptable, found, data, len);
105}
106
107static apr_status_t serf_socket_peek(serf_bucket_t *bucket,
108                                     const char **data,
109                                     apr_size_t *len)
110{
111    socket_context_t *ctx = bucket->data;
112
113    return serf_databuf_peek(&ctx->databuf, data, len);
114}
115
116const serf_bucket_type_t serf_bucket_type_socket = {
117    "SOCKET",
118    serf_socket_read,
119    serf_socket_readline,
120    serf_default_read_iovec,
121    serf_default_read_for_sendfile,
122    serf_default_read_bucket,
123    serf_socket_peek,
124    serf_default_destroy_and_data,
125};
126