1 // Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
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2 // Copyright (c) 2013-2014 Cesanta Software Limited
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3 // All rights reserved
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5 // This library is dual-licensed: you can redistribute it and/or modify
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6 // it under the terms of the GNU General Public License version 2 as
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7 // published by the Free Software Foundation. For the terms of this
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8 // license, see <http://www.gnu.org/licenses/>.
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10 // You are free to use this library under the terms of the GNU General
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11 // Public License, but WITHOUT ANY WARRANTY; without even the implied
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12 // warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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13 // See the GNU General Public License for more details.
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15 // Alternatively, you can license this library under a commercial
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16 // license, as set out in <http://cesanta.com/>.
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18 // NOTE: Detailed API documentation is at http://cesanta.com/#docs
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20 #ifndef MONGOOSE_HEADER_INCLUDED
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21 #define MONGOOSE_HEADER_INCLUDED
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23 #define MONGOOSE_VERSION "5.2"
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25 #include <stdio.h> // required for FILE
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26 #include <stddef.h> // required for size_t
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30 #endif // __cplusplus
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32 // This structure contains information about HTTP request.
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33 struct mg_connection {
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34 const char *request_method; // "GET", "POST", etc
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35 const char *uri; // URL-decoded URI
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36 const char *http_version; // E.g. "1.0", "1.1"
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37 const char *query_string; // URL part after '?', not including '?', or NULL
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39 char remote_ip[48]; // Max IPv6 string length is 45 characters
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40 const char *local_ip; // Local IP address
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41 unsigned short remote_port; // Client's port
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42 unsigned short local_port; // Local port number
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44 int num_headers; // Number of HTTP headers
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46 const char *name; // HTTP header name
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47 const char *value; // HTTP header value
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50 char *content; // POST (or websocket message) data, or NULL
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51 size_t content_len; // content length
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53 int is_websocket; // Connection is a websocket connection
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54 int status_code; // HTTP status code for HTTP error handler
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55 int wsbits; // First byte of the websocket frame
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56 void *server_param; // Parameter passed to mg_add_uri_handler()
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57 void *connection_param; // Placeholder for connection-specific data
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60 struct mg_server; // Opaque structure describing server instance
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61 typedef int (*mg_handler_t)(struct mg_connection *);
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63 // Server management functions
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64 struct mg_server *mg_create_server(void *server_param);
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65 void mg_destroy_server(struct mg_server **);
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66 const char *mg_set_option(struct mg_server *, const char *opt, const char *val);
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67 unsigned int mg_poll_server(struct mg_server *, int milliseconds);
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68 void mg_set_request_handler(struct mg_server *, mg_handler_t);
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69 void mg_set_http_error_handler(struct mg_server *, mg_handler_t);
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70 void mg_set_auth_handler(struct mg_server *, mg_handler_t);
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71 const char **mg_get_valid_option_names(void);
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72 const char *mg_get_option(const struct mg_server *server, const char *name);
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73 void mg_set_listening_socket(struct mg_server *, int sock);
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74 int mg_get_listening_socket(struct mg_server *);
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75 void mg_iterate_over_connections(struct mg_server *, mg_handler_t, void *);
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77 // Connection management functions
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78 void mg_send_status(struct mg_connection *, int status_code);
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79 void mg_send_header(struct mg_connection *, const char *name, const char *val);
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80 void mg_send_data(struct mg_connection *, const void *data, int data_len);
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81 void mg_printf_data(struct mg_connection *, const char *format, ...);
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83 int mg_websocket_write(struct mg_connection *, int opcode,
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84 const char *data, size_t data_len);
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86 // Deprecated in favor of mg_send_* interface
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87 int mg_write(struct mg_connection *, const void *buf, int len);
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88 int mg_printf(struct mg_connection *conn, const char *fmt, ...);
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90 const char *mg_get_header(const struct mg_connection *, const char *name);
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91 const char *mg_get_mime_type(const char *name, const char *default_mime_type);
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92 int mg_get_var(const struct mg_connection *conn, const char *var_name,
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93 char *buf, size_t buf_len);
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94 int mg_parse_header(const char *hdr, const char *var_name, char *buf, size_t);
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95 int mg_parse_multipart(const char *buf, int buf_len,
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96 char *var_name, int var_name_len,
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97 char *file_name, int file_name_len,
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98 const char **data, int *data_len);
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100 // Utility functions
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101 void *mg_start_thread(void *(*func)(void *), void *param);
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102 char *mg_md5(char buf[33], ...);
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103 int mg_authorize_digest(struct mg_connection *c, FILE *fp);
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105 // Callback function return codes
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106 enum { MG_REQUEST_NOT_PROCESSED, MG_REQUEST_PROCESSED, MG_REQUEST_CALL_AGAIN };
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107 enum { MG_AUTH_FAIL, MG_AUTH_OK };
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108 enum { MG_ERROR_NOT_PROCESSED, MG_ERROR_PROCESSED };
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109 enum { MG_CLIENT_CONTINUE, MG_CLIENT_CLOSE };
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111 // HTTP client events
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113 MG_CONNECT_SUCCESS, MG_CONNECT_FAILURE,
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114 MG_DOWNLOAD_SUCCESS, MG_DOWNLOAD_FAILURE
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116 int mg_connect(struct mg_server *, const char *host, int port, int use_ssl,
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117 mg_handler_t handler, void *param);
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121 #endif // __cplusplus
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123 #endif // MONGOOSE_HEADER_INCLUDED
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