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annotate th_network.h @ 121:8c39e8e90dbd

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More work on proxy handling.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 22 Jun 2014 02:12:17 +0300
parents bfae4758fa6f
children aa2d608fb3f3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
102
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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 2013-2014 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 #ifndef TH_NETWORK_H
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9 #define TH_NETWORK_H
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10
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11 #include <stdio.h>
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12 #include <unistd.h>
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13 #include "th_types.h"
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14 #include "th_util.h"
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15
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16
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17 #ifdef __WIN32
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18 #define __OBJC_BOOL // A nasty hack
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19 #include <windows.h>
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20 #include <winsock.h>
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21 typedef uint16_t in_port_t;
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22 typedef uint32_t in_addr_t;
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23 #else
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24 #include <sys/select.h>
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25 #include <sys/socket.h>
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26 #ifdef HAVE_NETINET_IN_H
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27 #include <netinet/in.h>
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28 #endif
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29 #include <arpa/inet.h>
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30 #include <netdb.h>
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31 #endif
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32
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33
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34 #ifdef __cplusplus
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35 extern "C" {
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36 #endif
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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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66
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67 enum
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68 {
121
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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 {
102
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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 _th_conn_t
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89 {
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90 // Proxy settings and data
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91 struct
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92 {
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93 char *host;
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94 struct hostent *hst;
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95 int type, auth_type;
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96 int port;
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97 struct in_addr addr;
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98 char *userid, *passwd;
121
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99 int mode, addr_type;
102
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100 } proxy;
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101
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102 // Target host data
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103 char *host;
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104 struct hostent *hst;
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105 int port;
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106
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107 // Socket data
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108 int socket;
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109 struct in_addr addr;
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110 fd_set sockfds;
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111
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112 // Error handling and status message functors
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113 void (*errfunc)(struct _th_conn_t *conn, int err, const char *msg);
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114 void (*msgfunc)(struct _th_conn_t *conn, int loglevel, const char *msg);
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115
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116 int err;
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117 int status;
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118
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119 // Data buffer
103
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120 char *buf, *ptr, *in_ptr;
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121 ssize_t bufsize, got_bytes, total_bytes;
102
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122
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123 void *node;
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124 } th_conn_t;
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125
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126
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127 int th_network_init();
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128 void th_network_close(void);
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129
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130 struct hostent *th_resolve_host(th_conn_t *conn, const char *name);
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131 th_conn_t * th_conn_new(
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132 void (*errfunc)(th_conn_t *conn, int err, const char *msg),
103
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133 void (*msgfunc)(th_conn_t *conn, int loglevel, const char *msg),
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134 ssize_t bufsize);
102
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135
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136 void th_conn_err(th_conn_t *conn, int err, const char *fmt, ...);
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137 void th_conn_msg(th_conn_t *conn, int loglevel, const char *fmt, ...);
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138
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139 int th_conn_set_proxy(th_conn_t *conn, int type, int port, const char *host, int auth_type);
121
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140 int th_conn_set_proxy_mode(th_conn_t *conn, const int mode);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 117
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141 int th_conn_set_proxy_addr_type(th_conn_t *conn, const int atype);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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142 int th_conn_set_proxy_auth_user(th_conn_t *conn, const char *userid, const char *passwd);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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143 int th_conn_open(th_conn_t *conn, const int port, const char *host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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144 int th_conn_close(th_conn_t *);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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145 void th_conn_free(th_conn_t *);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
146 void th_conn_reset(th_conn_t *);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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147
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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148 int th_conn_pull(th_conn_t *);
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
149 int th_conn_send_buf(th_conn_t *, const void *buf, const size_t len);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
150 int th_conn_send_growbuf(th_conn_t *, th_growbuf_t *buf);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
151 BOOL th_conn_check(th_conn_t *);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
152
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
153
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
154 BOOL th_conn_buf_check(th_conn_t *conn, size_t n);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
155 BOOL th_conn_buf_skip(th_conn_t *conn, size_t n);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
156 int th_conn_buf_strncmp(th_conn_t *conn, const char *str, const size_t n);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
157 int th_conn_buf_strcmp(th_conn_t *conn, const char *str);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
158 char * th_conn_buf_strstr(th_conn_t *conn, const char *str);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
159
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
160 void th_conn_dump_buffer(FILE *f, th_conn_t *conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
161
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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162
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
163 #ifdef __cplusplus
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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164 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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165 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
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166 #endif /* TH_NETWORK_H */