src/server/daemon/sessionhandler.h

Sat, 13 Jan 2018 18:48:19 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 13 Jan 2018 18:48:19 +0100
branch
aio
changeset 192
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parent 191
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child 194
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permissions
-rw-r--r--

replaces eventfd with pipe and closes aio branch

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #ifndef SESSIONHANDLER_H
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30 #define SESSIONHANDLER_H
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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 "../util/io.h"
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35 #include "event.h"
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36
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37 #include <openssl/bio.h>
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38 #include <openssl/ssl.h>
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39 #include <openssl/err.h>
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40
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41 #ifdef __cplusplus
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42 extern "C" {
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43 #endif
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44
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45 typedef struct _session_handler SessionHandler;
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46 typedef struct _connection Connection;
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47
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48 struct _connection {
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49 int fd;
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50 struct sockaddr_in address;
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51 HttpListener *listener;
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52 SessionHandler *session_handler;
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53 SSL *ssl;
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54 int ssl_error;
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55 int (*read)(Connection *conn, void *buf, int len);
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56 int (*write)(Connection *conn, const void *buf, int len);
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57 void (*close)(Connection *conn);
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58 };
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59
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60 typedef void(*enqueue_connection_f)(SessionHandler*, Connection*);
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61 typedef void(*keep_alive_f)(SessionHandler*, Connection*);
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62 struct _session_handler {
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63 /*
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64 * Adds a connection. The session handler starts reading and parsing the
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65 * http request. After that its pass the request to the request handler
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66 * (handle_request).
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67 */
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68 void(*enqueue_connection)(SessionHandler *sh, Connection *conn);
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69
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70 /*
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71 * Adds a connection to the keep-alive handler. The session handler
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72 * waits for new data and re-enqueues the connection, if new data is
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73 * available
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74 */
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75 void(*keep_alive)(SessionHandler*, Connection *conn);
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77 /*
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78 * Creates an IOStream object for the connection
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79 */
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80 IOStream*(*create_iostream)(SessionHandler *sh, Connection *conn, pool_handle_t *pool, WSBool *ssl);
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81 };
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83 /*
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84 * BasicSessionHandler
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85 *
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86 * The BasicSessionHandler enqueues the connections to a threadpool. IO is
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87 * handled by the threadpool.
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88 */
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89 typedef struct _basic_session_handler {
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90 SessionHandler sh;
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91 threadpool_t *threadpool;
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92
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93 } BasicSessionHandler;
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94
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95 /*
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96 * EventSessionHandler
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97 *
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98 * The EventSessionHandler uses a event handler to handle request inputs.
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99 */
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100 typedef struct _event_session_handler {
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101 SessionHandler sh;
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102 EVHandler *eventhandler;
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103 } EventSessionHandler;
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104
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105 /*
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106 * EventHttpIO
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107 *
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108 * defined in sesionhandler.c
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109 */
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110
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111 int connection_read(Connection *conn, void *buf, int len);
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112 int connection_write(Connection *conn, const void *buf, int len);
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113 void connection_close(Connection *conn);
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114 int connection_ssl_read(Connection *conn, void *buf, int len);
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115 int connection_ssl_write(Connection *conn, const void *buf, int len);
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116 void connection_ssl_close(Connection *conn);
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117
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118 void connection_destroy(Connection *conn);
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119
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120 /*
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121 * generic create_iostream function for BasicSessionHandler
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122 * and EventSessionHandler
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123 */
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124 IOStream* create_connection_iostream(
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125 SessionHandler *sh,
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126 Connection *conn,
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127 pool_handle_t *pool,
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128 WSBool *ssl);
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129
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130
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131 SessionHandler* create_basic_session_handler();
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132
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133 void basic_enq_conn(SessionHandler *handler, Connection *conn);
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134
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135 void* basic_run_session(void *data);
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136
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137 void basic_keep_alive(SessionHandler *handler, Connection *conn);
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138
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139
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140 SessionHandler* create_event_session_handler();
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141
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142 void evt_enq_conn(SessionHandler *handler, Connection *conn);
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144 int evt_request_ssl_accept(EventHandler *handler, Event *event);
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145 int evt_request_input(EventHandler *h, Event *event);
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146 int evt_request_finish(EventHandler *h, Event *event);
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147 int evt_request_error(EventHandler *h, Event *event);
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148
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149 void evt_keep_alive(SessionHandler *handler, Connection *conn);
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150
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152 #ifdef __cplusplus
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153 }
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154 #endif
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155
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
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156 #endif /* SESSIONHANDLER_H */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
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157

mercurial