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annotate th_network.h @ 722:4ca6a3b30fe8

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Bump copyright years.
author Matti Hamalainen <ccr@tnsp.org>
date Sat, 02 Jan 2021 11:35:54 +0200
parents c17a1072974a
children 29e44a58bc73
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1 /*
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2 * Simple TCP network connection handling
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2013-2021 Tecnic Software productions (TNSP)
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5 *
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6 * Please read file 'COPYING' for information on license and distribution.
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7 */
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8 /// @file
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9 /// @brief Simple TCP network connection handling helpers
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10 #ifndef TH_NETWORK_H
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11 #define TH_NETWORK_H
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12
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13 #include "th_datastruct.h"
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14
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15
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16 #ifdef TH_PLAT_WINDOWS
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17 # define __OBJC_BOOL // A nasty hack
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18 # include <windows.h>
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19 # include <winsock.h>
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20 typedef uint16_t in_port_t;
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21 typedef uint32_t in_addr_t;
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22 #else
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23 # include <sys/select.h>
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24 # include <sys/socket.h>
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25 # ifdef HAVE_NETINET_IN_H
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26 # include <netinet/in.h>
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27 # endif
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28 # include <arpa/inet.h>
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29 # include <netdb.h>
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30 #endif
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31
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32
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33 #ifdef __cplusplus
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34 extern "C" {
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35 #endif
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36
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37
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38 /* Global defines
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39 */
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40 #define TH_CONNBUF_SIZE (64 * 1024)
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41 #define TH_DELAY_USEC (15 * 1000)
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42 #define TH_DUMP_BYTES 16
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43
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44
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45 enum
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46 {
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47 TH_CONN_UNINIT = 0,
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48 TH_CONN_PROXY_NEG,
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49 TH_CONN_OPEN,
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50 TH_CONN_CLOSED,
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51
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52 TH_CONN_ERROR,
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53 TH_CONN_DATA_AVAIL,
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54 TH_CONN_NO_DATA,
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55 };
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56
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57 enum
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58 {
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59 TH_PROXY_NONE = 0,
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60 TH_PROXY_SOCKS4,
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61 TH_PROXY_SOCKS4A,
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62 TH_PROXY_SOCKS5,
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63
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64 TH_PROXY_LAST
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65 };
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67 enum
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68 {
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69 TH_PROXY_ADDR_IPV4 = 0,
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70 TH_PROXY_ADDR_DOMAIN,
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71 TH_PROXY_ADDR_IPV6,
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72 };
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73
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74 enum
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75 {
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76 TH_PROXY_AUTH_NONE,
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77 TH_PROXY_AUTH_USER,
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78 };
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79
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80 enum
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81 {
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82 TH_PROXY_CMD_CONNECT = 1,
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83 TH_PROXY_CMD_BIND = 2,
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84 TH_PROXY_CMD_ASSOC_UDP = 3,
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85 };
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86
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87
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88 typedef struct
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89 {
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90 // Target host data
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91 char *host;
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92 struct hostent *hst;
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93 int port;
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94
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95 // Socket data
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96 int socket;
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97 struct in_addr addr;
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98 fd_set sockfds;
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99
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100 // Data buffer
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101 char *buf, *ptr, *in_ptr;
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102 ssize_t bufsize, got_bytes, total_bytes;
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103
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104 } th_base_conn_t;
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105
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106
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107 typedef struct th_conn_t
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108 {
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109 // Connection
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110 th_base_conn_t base;
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111
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112 // Proxy settings and data
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113 struct
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114 {
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115 th_base_conn_t conn;
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116 int type, auth_type;
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117 int mode, addr_type;
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118 char *userid, *passwd;
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119 } proxy;
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120
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121 // Status
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122 int err;
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123 int status;
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124
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125 // Error handling and status message functors
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126 void (*errfunc)(struct th_conn_t *conn, int err, const char *msg);
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127 void (*msgfunc)(struct th_conn_t *conn, int loglevel, const char *msg);
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128
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129 void *node;
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130 } th_conn_t;
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132
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133 int th_network_init();
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134 void th_network_close(void);
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135
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136 struct hostent *th_resolve_host(th_conn_t *conn, const char *name);
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137 th_conn_t * th_conn_new(
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138 void (*errfunc)(th_conn_t *conn, int err, const char *msg),
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139 void (*msgfunc)(th_conn_t *conn, int loglevel, const char *msg),
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140 ssize_t bufsize);
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141
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142 void th_conn_err(th_conn_t *conn, int err, const char *fmt, ...)
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143 TH_ATTR_PRINTF_FMT(3, 4);
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262411458cde Add __attribute__(__format__ ..) specifiers for functions that use printf() style format specifiers.
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144 void th_conn_msg(th_conn_t *conn, int loglevel, const char *fmt, ...)
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145 TH_ATTR_PRINTF_FMT(3, 4);
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146
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147 int th_conn_set_proxy(th_conn_t *conn, int type, int port, const char *host, int auth_type);
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8c39e8e90dbd More work on proxy handling.
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148 int th_conn_set_proxy_mode(th_conn_t *conn, const int mode);
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149 int th_conn_set_proxy_addr_type(th_conn_t *conn, const int atype);
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150 int th_conn_set_proxy_auth_user(th_conn_t *conn, const char *userid, const char *passwd);
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151
102
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152 int th_conn_open(th_conn_t *conn, const int port, const char *host);
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153 int th_conn_close(th_conn_t *);
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154 void th_conn_free(th_conn_t *);
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155 void th_conn_reset(th_conn_t *);
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156
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157 int th_conn_pull(th_conn_t *);
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bc540c5bfaf9 More work on network module.
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158 int th_conn_send_buf(th_conn_t *, const void *buf, const size_t len);
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159 int th_conn_send_growbuf(th_conn_t *, th_growbuf_t *buf);
457
85fa3d333556 Actually, revert the boolean changes .. meh.
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160 BOOL th_conn_check(th_conn_t *);
102
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161
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162
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163 BOOL th_conn_buf_check(th_conn_t *conn, size_t n);
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parents: 454
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164 BOOL th_conn_buf_skip(th_conn_t *conn, size_t n);
102
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165 int th_conn_buf_strncmp(th_conn_t *conn, const char *str, const size_t n);
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166 int th_conn_buf_strcmp(th_conn_t *conn, const char *str);
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167 char * th_conn_buf_strstr(th_conn_t *conn, const char *str);
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168
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169 void th_conn_dump_buffer(FILE *f, th_conn_t *conn);
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170
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171
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172 #ifdef __cplusplus
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173 }
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174 #endif
129
aa2d608fb3f3 Cosmetics.
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175 #endif // TH_NETWORK_H