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using host header to select virtual server
1 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
1 | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | #ifndef SESSIONHANDLER_H | |
30 | #define SESSIONHANDLER_H | |
31 | ||
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32 | #include "../util/thrpool.h" |
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33 | #include "../public/nsapi.h" |
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34 | #include "event.h" |
1 | 35 | |
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36 | #include <openssl/bio.h> |
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37 | #include <openssl/ssl.h> |
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38 | #include <openssl/err.h> |
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39 | |
1 | 40 | #ifdef __cplusplus |
41 | extern "C" { | |
42 | #endif | |
43 | ||
44 | typedef struct _session_handler SessionHandler; | |
45 | typedef struct _connection Connection; | |
46 | ||
47 | struct _connection { | |
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48 | int fd; |
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49 | struct sockaddr_in address; |
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50 | HttpListener *listener; |
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51 | SessionHandler *session_handler; |
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52 | SSL *ssl; |
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53 | int ssl_error; |
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54 | int (*read)(Connection *conn, void *buf, int len); |
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55 | int (*write)(Connection *conn, const void *buf, int len); |
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56 | void (*close)(Connection *conn); |
1 | 57 | }; |
58 | ||
59 | typedef void(*enqueue_connection_f)(SessionHandler*, Connection*); | |
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60 | typedef void(*keep_alive_f)(SessionHandler*, Connection*); |
1 | 61 | struct _session_handler { |
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62 | /* |
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63 | * Adds a connection. The session handler starts reading and parsing the |
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64 | * http request. After that its pass the request to the request handler |
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65 | * (handle_request). |
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66 | */ |
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67 | void(*enqueue_connection)(SessionHandler *sh, Connection *conn); |
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68 | |
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69 | /* |
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70 | * Adds a connection to the keep-alive handler. The session handler |
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71 | * waits for new data and re-enqueues the connection, if new data is |
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72 | * available |
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73 | */ |
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74 | void(*keep_alive)(SessionHandler*, Connection *conn); |
1 | 75 | }; |
76 | ||
77 | /* | |
78 | * BasicSessionHandler | |
79 | * | |
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80 | * The BasicSessionHandler enqueues the connections to a threadpool. IO is |
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81 | * handled by the threadpool. |
1 | 82 | */ |
83 | typedef struct _basic_session_handler { | |
84 | SessionHandler sh; | |
85 | threadpool_t *threadpool; | |
86 | ||
87 | } BasicSessionHandler; | |
88 | ||
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89 | /* |
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90 | * EventSessionHandler |
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91 | * |
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92 | * The EventSessionHandler uses a event handler to handle request inputs. |
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93 | */ |
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94 | typedef struct _event_session_handler { |
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95 | SessionHandler sh; |
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96 | event_handler_t *eventhandler; |
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97 | } EventSessionHandler; |
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98 | |
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99 | /* |
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100 | * EventHttpIO |
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101 | * |
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102 | * defined in sesionhandler.c |
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103 | */ |
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104 | |
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105 | int connection_read(Connection *conn, void *buf, int len); |
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106 | int connection_write(Connection *conn, const void *buf, int len); |
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107 | void connection_close(Connection *conn); |
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108 | int connection_ssl_read(Connection *conn, void *buf, int len); |
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109 | int connection_ssl_write(Connection *conn, const void *buf, int len); |
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110 | void connection_ssl_close(Connection *conn); |
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111 | |
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112 | void connection_destroy(Connection *conn); |
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113 | |
1 | 114 | |
115 | SessionHandler* create_basic_session_handler(); | |
116 | ||
117 | void basic_enq_conn(SessionHandler *handler, Connection *conn); | |
118 | ||
119 | void* basic_run_session(void *data); | |
120 | ||
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121 | void basic_keep_alive(SessionHandler *handler, Connection *conn); |
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122 | |
1 | 123 | |
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124 | SessionHandler* create_event_session_handler(); |
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125 | |
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126 | void evt_enq_conn(SessionHandler *handler, Connection *conn); |
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127 | |
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128 | int evt_request_input(event_handler_t *h, event_t *event); |
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129 | int evt_request_finish(event_handler_t *h, event_t *event); |
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130 | int evt_request_error(event_handler_t *h, event_t *event); |
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131 | |
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132 | void evt_keep_alive(SessionHandler *handler, Connection *conn); |
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133 | |
1 | 134 | |
135 | #ifdef __cplusplus | |
136 | } | |
137 | #endif | |
138 | ||
139 | #endif /* SESSIONHANDLER_H */ | |
140 |