source: roaraudio/libroareio/httpd.c @ 3517:1a3218a3fc5b

Last change on this file since 3517:1a3218a3fc5b was 3517:1a3218a3fc5b, checked in by phi, 14 years ago

updated license headers, FSF moved office

File size: 4.0 KB
Line 
1//httpd.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010
5 *
6 *  This file is part of libroareio a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroardsp is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 */
25
26#include "libroareio.h"
27
28struct roar_httpd * roar_http_new(struct roar_vio_calls * client, int (*cb_eoh)(struct roar_httpd * httpd)) {
29 struct roar_httpd * httpd;
30
31 if ( client == NULL || cb_eoh == NULL )
32  return NULL;
33
34 if ( (httpd = roar_mm_malloc(sizeof(struct roar_httpd))) == NULL )
35  return NULL;
36
37 memset(httpd, 0, sizeof(struct roar_httpd));
38
39 httpd->state  = ROAR_HTTPD_STATE_REQ;
40 httpd->client = client;
41 httpd->cb_eoh = cb_eoh;
42
43 return NULL;
44}
45
46int                 roar_http_free(struct roar_httpd * httpd) {
47 if ( httpd->response.file != NULL )
48  roar_vio_close(httpd->response.file);
49
50 if ( httpd->client != NULL )
51  roar_vio_close(httpd->client);
52
53 roar_mm_free(httpd);
54
55 return 0;
56}
57
58// TODO: update this function to use iobuffer:
59static int roar_http_eoh (struct roar_httpd * httpd) {
60 struct roar_httpd_request  * req  = &(httpd->request);
61 struct roar_httpd_response * resp = &(httpd->response);
62 int i;
63
64 // TODO: parse HTTP here
65
66 resp->version = req->version;
67 resp->status  = -1;
68 httpd->cb_eoh(httpd);
69
70 if ( resp->status == -1 ) {
71  if ( resp->file == NULL ) {
72   resp->status = ROAR_HTTPD_STATUS_NOT_FOUND;
73  } else {
74   resp->status = ROAR_HTTPD_STATUS_OK;
75  }
76 }
77
78 roar_vio_printf(httpd->client, "HTTP/%i.%i %i State %i\r\n", _ROAR_EIO_HTTPD_VERSION_MAJOR(resp->version),
79                                                              _ROAR_EIO_HTTPD_VERSION_MINOR(resp->version),
80                                                              resp->status, resp->status);
81
82 if ( resp->header != NULL ) {
83  for (i = 0; resp->header[i].key != NULL; i++) {
84   roar_vio_printf(httpd->client, "%s: %s\r\n", resp->header[i].key, resp->header[i].value);
85  }
86  roar_mm_free(resp->header);
87 }
88
89 return 0;
90}
91
92int                 roar_http_update(struct roar_httpd * httpd) {
93 void *  data;
94 size_t  len;
95 ssize_t ret;
96
97 switch (httpd->state) {
98  case ROAR_HTTPD_STATE_REQ:
99   break;
100  case ROAR_HTTPD_STATE_EOH:
101    return roar_http_eoh(httpd);
102   break;
103  case ROAR_HTTPD_STATE_RESP:
104   if ( httpd->iobuffer != NULL ) {
105    if ( roar_buffer_get_len(httpd->iobuffer, &len) == -1 )
106     return -1;
107   } else {
108    len = 0;
109   }
110
111   if ( len != 0 ) {
112    if ( roar_buffer_get_data(httpd->iobuffer, &data) == -1 )
113     return -1;
114
115    if ( (ret = roar_vio_write(httpd->client, data, len)) == -1 )
116     return -1;
117
118    if ( roar_buffer_set_offset(httpd->iobuffer, ret) == -1 )
119     return -1; // bad error
120
121    return 0;
122   }
123
124   if ( httpd->iobuffer != NULL ) {
125    len = 2048;
126    if ( roar_buffer_set_len(httpd->iobuffer, len) == -1 )
127     return -1;
128   } else {
129    if ( roar_buffer_new(&(httpd->iobuffer), len) == -1 )
130     return -1;
131   }
132
133   if ( roar_buffer_get_data(httpd->iobuffer, &data) == -1 )
134    return -1;
135
136   if ( (ret = roar_vio_read(httpd->response.file, data, len)) == -1 ) {
137    if ( roar_buffer_set_len(httpd->iobuffer, 0) == -1 )
138     return -1; // bad error
139   }
140
141   len = ret;
142
143   if ( roar_buffer_set_len(httpd->iobuffer, len) == -1 )
144    return -1;
145
146   if ( (ret = roar_vio_write(httpd->client, data, len)) == -1 )
147    return -1;
148
149   if ( roar_buffer_set_offset(httpd->iobuffer, ret) == -1 )
150    return -1; // bad error
151
152   return 0;
153   break;
154 }
155
156 return -1;
157}
158
159
160//ll
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