1 | /** \file SocketHandler.cpp |
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2 | ** \date 2004-02-13 |
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3 | ** \author grymse@alhem.net |
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4 | **/ |
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5 | /* |
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6 | Copyright (C) 2004-2007 Anders Hedstrom |
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7 | |
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8 | This library is made available under the terms of the GNU GPL. |
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9 | |
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10 | If you would like to use this library in a closed-source application, |
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11 | a separate license agreement is available. For information about |
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12 | the closed-source license agreement for the C++ sockets library, |
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13 | please visit http://www.alhem.net/Sockets/license.html and/or |
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14 | email license@alhem.net. |
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15 | |
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16 | This program is free software; you can redistribute it and/or |
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17 | modify it under the terms of the GNU General Public License |
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18 | as published by the Free Software Foundation; either version 2 |
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19 | of the License, or (at your option) any later version. |
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20 | |
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21 | This program is distributed in the hope that it will be useful, |
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22 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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24 | GNU General Public License for more details. |
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25 | |
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26 | You should have received a copy of the GNU General Public License |
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27 | along with this program; if not, write to the Free Software |
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28 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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29 | */ |
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30 | #ifdef _WIN32 |
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31 | #ifdef _MSC_VER |
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32 | #pragma warning(disable:4786) |
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33 | #endif |
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34 | #endif |
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35 | #include <stdlib.h> |
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36 | #include <errno.h> |
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37 | |
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38 | #include "SocketHandler.h" |
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39 | #include "UdpSocket.h" |
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40 | #include "ResolvSocket.h" |
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41 | #include "ResolvServer.h" |
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42 | #include "TcpSocket.h" |
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43 | #include "Mutex.h" |
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44 | #include "Utility.h" |
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45 | #include "SocketAddress.h" |
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46 | |
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47 | #ifdef SOCKETS_NAMESPACE |
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48 | namespace SOCKETS_NAMESPACE { |
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49 | #endif |
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50 | |
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51 | |
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52 | //#ifdef _DEBUG |
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53 | //#define DEB(x) x; fflush(stderr); |
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54 | //#else |
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55 | #define DEB(x) |
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56 | //#endif |
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57 | |
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58 | |
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59 | SocketHandler::SocketHandler(StdLog *p) |
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60 | :m_stdlog(p) |
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61 | ,m_mutex(m_mutex) |
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62 | ,m_b_use_mutex(false) |
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63 | ,m_maxsock(0) |
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64 | ,m_preverror(-1) |
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65 | ,m_errcnt(0) |
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66 | ,m_tlast(0) |
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67 | #ifdef ENABLE_SOCKS4 |
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68 | ,m_socks4_host(0) |
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69 | ,m_socks4_port(0) |
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70 | ,m_bTryDirect(false) |
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71 | #endif |
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72 | #ifdef ENABLE_RESOLVER |
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73 | ,m_resolv_id(0) |
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74 | ,m_resolver(NULL) |
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75 | #endif |
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76 | #ifdef ENABLE_POOL |
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77 | ,m_b_enable_pool(false) |
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78 | #endif |
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79 | #ifdef ENABLE_TRIGGERS |
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80 | ,m_next_trigger_id(0) |
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81 | #endif |
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82 | #ifdef ENABLE_DETACH |
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83 | ,m_slave(false) |
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84 | #endif |
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85 | { |
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86 | FD_ZERO(&m_rfds); |
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87 | FD_ZERO(&m_wfds); |
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88 | FD_ZERO(&m_efds); |
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89 | } |
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90 | |
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91 | |
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92 | SocketHandler::SocketHandler(Mutex& mutex,StdLog *p) |
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93 | :m_stdlog(p) |
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94 | ,m_mutex(mutex) |
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95 | ,m_b_use_mutex(true) |
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96 | ,m_maxsock(0) |
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97 | ,m_preverror(-1) |
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98 | ,m_errcnt(0) |
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99 | ,m_tlast(0) |
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100 | #ifdef ENABLE_SOCKS4 |
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101 | ,m_socks4_host(0) |
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102 | ,m_socks4_port(0) |
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103 | ,m_bTryDirect(false) |
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104 | #endif |
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105 | #ifdef ENABLE_RESOLVER |
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106 | ,m_resolv_id(0) |
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107 | ,m_resolver(NULL) |
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108 | #endif |
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109 | #ifdef ENABLE_POOL |
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110 | ,m_b_enable_pool(false) |
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111 | #endif |
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112 | #ifdef ENABLE_TRIGGERS |
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113 | ,m_next_trigger_id(0) |
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114 | #endif |
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115 | #ifdef ENABLE_DETACH |
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116 | ,m_slave(false) |
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117 | #endif |
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118 | { |
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119 | m_mutex.Lock(); |
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120 | FD_ZERO(&m_rfds); |
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121 | FD_ZERO(&m_wfds); |
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122 | FD_ZERO(&m_efds); |
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123 | } |
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124 | |
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125 | |
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126 | SocketHandler::~SocketHandler() |
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127 | { |
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128 | #ifdef ENABLE_RESOLVER |
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129 | if (m_resolver) |
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130 | { |
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131 | m_resolver -> Quit(); |
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132 | } |
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133 | #endif |
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134 | { |
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135 | while (m_sockets.size()) |
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136 | { |
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137 | DEB( fprintf(stderr, "Emptying sockets list in SocketHandler destructor, %d instances\n", (int)m_sockets.size());) |
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138 | socket_m::iterator it = m_sockets.begin(); |
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139 | Socket *p = it -> second; |
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140 | if (p) |
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141 | { |
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142 | DEB( fprintf(stderr, " fd %d\n", p -> GetSocket());) |
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143 | p -> Close(); |
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144 | DEB( fprintf(stderr, " fd closed %d\n", p -> GetSocket());) |
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145 | // p -> OnDelete(); // hey, I turn this back on. what's the worst that could happen??!! |
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146 | // MinionSocket breaks, calling MinderHandler methods in OnDelete - |
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147 | // MinderHandler is already gone when that happens... |
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148 | |
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149 | // only delete socket when controlled |
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150 | // ie master sockethandler can delete non-detached sockets |
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151 | // and a slave sockethandler can only delete a detach socket |
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152 | if (p -> DeleteByHandler() |
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153 | #ifdef ENABLE_DETACH |
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154 | && !(m_slave ^ p -> IsDetached()) |
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155 | #endif |
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156 | ) |
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157 | { |
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158 | p -> SetErasedByHandler(); |
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159 | delete p; |
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160 | } |
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161 | m_sockets.erase(it); |
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162 | } |
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163 | else |
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164 | { |
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165 | m_sockets.erase(it); |
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166 | } |
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167 | DEB( fprintf(stderr, "next\n");) |
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168 | } |
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169 | DEB( fprintf(stderr, "/Emptying sockets list in SocketHandler destructor, %d instances\n", (int)m_sockets.size());) |
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170 | } |
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171 | #ifdef ENABLE_RESOLVER |
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172 | if (m_resolver) |
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173 | { |
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174 | delete m_resolver; |
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175 | } |
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176 | #endif |
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177 | if (m_b_use_mutex) |
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178 | { |
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179 | m_mutex.Unlock(); |
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180 | } |
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181 | } |
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182 | |
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183 | |
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184 | Mutex& SocketHandler::GetMutex() const |
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185 | { |
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186 | return m_mutex; |
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187 | } |
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188 | |
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189 | |
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190 | #ifdef ENABLE_DETACH |
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191 | void SocketHandler::SetSlave(bool x) |
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192 | { |
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193 | m_slave = x; |
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194 | } |
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195 | |
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196 | |
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197 | bool SocketHandler::IsSlave() |
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198 | { |
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199 | return m_slave; |
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200 | } |
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201 | #endif |
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202 | |
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203 | |
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204 | void SocketHandler::RegStdLog(StdLog *log) |
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205 | { |
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206 | m_stdlog = log; |
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207 | } |
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208 | |
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209 | |
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210 | void SocketHandler::LogError(Socket *p,const std::string& user_text,int err,const std::string& sys_err,loglevel_t t) |
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211 | { |
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212 | if (m_stdlog) |
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213 | { |
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214 | m_stdlog -> error(this, p, user_text, err, sys_err, t); |
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215 | } |
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216 | } |
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217 | |
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218 | |
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219 | void SocketHandler::Add(Socket *p) |
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220 | { |
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221 | if (p -> GetSocket() == INVALID_SOCKET) |
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222 | { |
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223 | LogError(p, "Add", -1, "Invalid socket", LOG_LEVEL_WARNING); |
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224 | if (p -> CloseAndDelete()) |
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225 | { |
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226 | m_delete.push_back(p); |
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227 | } |
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228 | return; |
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229 | } |
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230 | if (m_add.find(p -> GetSocket()) != m_add.end()) |
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231 | { |
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232 | LogError(p, "Add", (int)p -> GetSocket(), "Attempt to add socket already in add queue", LOG_LEVEL_FATAL); |
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233 | m_delete.push_back(p); |
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234 | return; |
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235 | } |
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236 | m_add[p -> GetSocket()] = p; |
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237 | } |
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238 | |
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239 | |
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240 | void SocketHandler::Get(SOCKET s,bool& r,bool& w,bool& e) |
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241 | { |
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242 | if (s >= 0) |
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243 | { |
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244 | r = FD_ISSET(s, &m_rfds) ? true : false; |
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245 | w = FD_ISSET(s, &m_wfds) ? true : false; |
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246 | e = FD_ISSET(s, &m_efds) ? true : false; |
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247 | } |
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248 | } |
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249 | |
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250 | |
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251 | void SocketHandler::Set(SOCKET s,bool bRead,bool bWrite,bool bException) |
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252 | { |
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253 | DEB( fprintf(stderr, "Set(%d, %s, %s, %s)\n", s, bRead ? "true" : "false", bWrite ? "true" : "false", bException ? "true" : "false");) |
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254 | if (s >= 0) |
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255 | { |
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256 | if (bRead) |
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257 | { |
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258 | if (!FD_ISSET(s, &m_rfds)) |
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259 | { |
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260 | FD_SET(s, &m_rfds); |
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261 | } |
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262 | } |
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263 | else |
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264 | { |
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265 | FD_CLR(s, &m_rfds); |
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266 | } |
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267 | if (bWrite) |
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268 | { |
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269 | if (!FD_ISSET(s, &m_wfds)) |
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270 | { |
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271 | FD_SET(s, &m_wfds); |
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272 | } |
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273 | } |
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274 | else |
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275 | { |
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276 | FD_CLR(s, &m_wfds); |
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277 | } |
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278 | if (bException) |
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279 | { |
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280 | if (!FD_ISSET(s, &m_efds)) |
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281 | { |
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282 | FD_SET(s, &m_efds); |
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283 | } |
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284 | } |
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285 | else |
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286 | { |
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287 | FD_CLR(s, &m_efds); |
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288 | } |
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289 | } |
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290 | } |
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291 | |
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292 | |
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293 | int SocketHandler::Select(long sec,long usec) |
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294 | { |
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295 | struct timeval tv; |
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296 | tv.tv_sec = sec; |
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297 | tv.tv_usec = usec; |
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298 | return Select(&tv); |
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299 | } |
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300 | |
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301 | |
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302 | int SocketHandler::Select() |
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303 | { |
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304 | if (!m_fds_callonconnect.empty() || |
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305 | #ifdef ENABLE_DETACH |
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306 | (!m_slave && !m_fds_detach.empty()) || |
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307 | #endif |
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308 | !m_fds_timeout.empty() || |
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309 | !m_fds_retry.empty() || |
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310 | !m_fds_close.empty() || |
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311 | !m_fds_erase.empty()) |
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312 | { |
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313 | return Select(0, 200000); |
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314 | } |
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315 | return Select(NULL); |
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316 | } |
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317 | |
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318 | |
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319 | int SocketHandler::Select(struct timeval *tsel) |
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320 | { |
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321 | size_t ignore = 0; |
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322 | while (m_add.size() > ignore) |
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323 | { |
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324 | if (m_sockets.size() >= FD_SETSIZE) |
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325 | { |
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326 | LogError(NULL, "Select", (int)m_sockets.size(), "FD_SETSIZE reached", LOG_LEVEL_WARNING); |
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327 | break; |
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328 | } |
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329 | socket_m::iterator it = m_add.begin(); |
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330 | SOCKET s = it -> first; |
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331 | Socket *p = it -> second; |
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332 | DEB( fprintf(stderr, "Trying to add fd %d, m_add.size() %d, ignore %d\n", (int)s, (int)m_add.size(), (int)ignore);) |
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333 | // |
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334 | if (m_sockets.find(p -> GetSocket()) != m_sockets.end()) |
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335 | { |
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336 | LogError(p, "Add", (int)p -> GetSocket(), "Attempt to add socket already in controlled queue", LOG_LEVEL_FATAL); |
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337 | // %! it's a dup, don't add to delete queue, just ignore it |
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338 | m_delete.push_back(p); |
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339 | m_add.erase(it); |
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340 | // ignore++; |
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341 | continue; |
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342 | } |
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343 | if (!p -> CloseAndDelete()) |
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344 | { |
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345 | StreamSocket *scp = dynamic_cast<StreamSocket *>(p); |
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346 | if (scp && scp -> Connecting()) // 'Open' called before adding socket |
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347 | { |
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348 | Set(s,false,true); |
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349 | } |
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350 | else |
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351 | { |
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352 | TcpSocket *tcp = dynamic_cast<TcpSocket *>(p); |
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353 | bool bWrite = tcp ? tcp -> GetOutputLength() != 0 : false; |
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354 | if (p -> IsDisableRead()) |
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355 | { |
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356 | Set(s, false, bWrite); |
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357 | } |
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358 | else |
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359 | { |
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360 | Set(s, true, bWrite); |
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361 | } |
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362 | } |
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363 | m_maxsock = (s > m_maxsock) ? s : m_maxsock; |
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364 | } |
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365 | else |
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366 | { |
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367 | LogError(p, "Add", (int)p -> GetSocket(), "Trying to add socket with SetCloseAndDelete() true", LOG_LEVEL_WARNING); |
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368 | } |
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369 | // only add to m_fds (process fd_set events) if |
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370 | // slave handler and detached/detaching socket |
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371 | // master handler and non-detached socket |
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372 | #ifdef ENABLE_DETACH |
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373 | if (!(m_slave ^ p -> IsDetach())) |
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374 | #endif |
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375 | { |
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376 | m_fds.push_back(s); |
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377 | } |
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378 | m_sockets[s] = p; |
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379 | // |
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380 | m_add.erase(it); |
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381 | } |
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382 | #ifdef MACOSX |
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383 | fd_set rfds; |
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384 | fd_set wfds; |
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385 | fd_set efds; |
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386 | FD_COPY(&m_rfds, &rfds); |
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387 | FD_COPY(&m_wfds, &wfds); |
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388 | FD_COPY(&m_efds, &efds); |
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389 | #else |
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390 | fd_set rfds = m_rfds; |
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391 | fd_set wfds = m_wfds; |
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392 | fd_set efds = m_efds; |
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393 | #endif |
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394 | int n; |
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395 | if (m_b_use_mutex) |
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396 | { |
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397 | m_mutex.Unlock(); |
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398 | n = select( (int)(m_maxsock + 1),&rfds,&wfds,&efds,tsel); |
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399 | m_mutex.Lock(); |
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400 | } |
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401 | else |
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402 | { |
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403 | n = select( (int)(m_maxsock + 1),&rfds,&wfds,&efds,tsel); |
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404 | } |
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405 | if (n == -1) |
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406 | { |
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407 | /* |
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408 | EBADF An invalid file descriptor was given in one of the sets. |
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409 | EINTR A non blocked signal was caught. |
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410 | EINVAL n is negative. Or struct timeval contains bad time values (<0). |
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411 | ENOMEM select was unable to allocate memory for internal tables. |
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412 | */ |
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413 | if (Errno != m_preverror || m_errcnt++ % 10000 == 0) |
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414 | { |
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415 | LogError(NULL, "select", Errno, StrError(Errno)); |
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416 | DEB( fprintf(stderr, "m_maxsock: %d\n", m_maxsock); |
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417 | fprintf(stderr, "%s\n", Errno == EINVAL ? "EINVAL" : |
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418 | Errno == EINTR ? "EINTR" : |
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419 | Errno == EBADF ? "EBADF" : |
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420 | Errno == ENOMEM ? "ENOMEM" : "<another>"); |
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421 | // test bad fd |
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422 | for (SOCKET i = 0; i <= m_maxsock; i++) |
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423 | { |
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424 | bool t = false; |
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425 | FD_ZERO(&rfds); |
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426 | FD_ZERO(&wfds); |
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427 | FD_ZERO(&efds); |
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428 | if (FD_ISSET(i, &m_rfds)) |
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429 | { |
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430 | FD_SET(i, &rfds); |
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431 | t = true; |
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432 | } |
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433 | if (FD_ISSET(i, &m_wfds)) |
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434 | { |
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435 | FD_SET(i, &wfds); |
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436 | t = true; |
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437 | } |
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438 | if (FD_ISSET(i, &m_efds)) |
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439 | { |
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440 | FD_SET(i, &efds); |
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441 | t = true; |
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442 | } |
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443 | if (t && m_sockets.find(i) == m_sockets.end()) |
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444 | { |
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445 | fprintf(stderr, "Bad fd in fd_set: %d\n", i); |
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446 | } |
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447 | } |
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448 | ) // DEB |
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449 | m_preverror = Errno; |
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450 | } |
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451 | /// \todo rebuild fd_set's from active sockets list (m_sockets) here |
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452 | } |
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453 | else |
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454 | if (!n) |
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455 | { |
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456 | m_preverror = -1; |
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457 | } |
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458 | else |
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459 | if (n > 0) |
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460 | { |
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461 | for (socket_v::iterator it2 = m_fds.begin(); it2 != m_fds.end() && n; it2++) |
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462 | { |
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463 | SOCKET i = *it2; |
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464 | if (FD_ISSET(i, &rfds)) |
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465 | { |
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466 | socket_m::iterator itmp = m_sockets.find(i); |
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467 | if (itmp != m_sockets.end()) // found |
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468 | { |
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469 | Socket *p = itmp -> second; |
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470 | // new SSL negotiate method |
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471 | #ifdef HAVE_OPENSSL |
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472 | if (p -> IsSSLNegotiate()) |
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473 | { |
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474 | p -> SSLNegotiate(); |
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475 | } |
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476 | else |
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477 | #endif |
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478 | { |
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479 | p -> OnRead(); |
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480 | } |
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481 | } |
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482 | else |
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483 | { |
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484 | LogError(NULL, "GetSocket/handler/1", (int)i, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
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485 | } |
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486 | n--; |
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487 | } |
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488 | if (FD_ISSET(i, &wfds)) |
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489 | { |
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490 | socket_m::iterator itmp = m_sockets.find(i); |
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491 | if (itmp != m_sockets.end()) // found |
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492 | { |
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493 | Socket *p = itmp -> second; |
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494 | // new SSL negotiate method |
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495 | #ifdef HAVE_OPENSSL |
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496 | if (p -> IsSSLNegotiate()) |
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497 | { |
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498 | p -> SSLNegotiate(); |
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499 | } |
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500 | else |
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501 | #endif |
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502 | { |
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503 | p -> OnWrite(); |
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504 | } |
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505 | } |
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506 | else |
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507 | { |
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508 | LogError(NULL, "GetSocket/handler/2", (int)i, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
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509 | } |
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510 | n--; |
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511 | } |
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512 | if (FD_ISSET(i, &efds)) |
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513 | { |
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514 | socket_m::iterator itmp = m_sockets.find(i); |
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515 | if (itmp != m_sockets.end()) // found |
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516 | { |
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517 | Socket *p = itmp -> second; |
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518 | p -> OnException(); |
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519 | } |
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520 | else |
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521 | { |
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522 | LogError(NULL, "GetSocket/handler/3", (int)i, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
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523 | } |
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524 | n--; |
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525 | } |
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526 | } // m_fds loop |
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527 | m_preverror = -1; |
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528 | } // if (n > 0) |
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529 | |
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530 | // check CallOnConnect - EVENT |
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531 | if (!m_fds_callonconnect.empty()) |
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532 | { |
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533 | socket_v tmp = m_fds_callonconnect; |
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534 | for (socket_v::iterator it = tmp.begin(); it != tmp.end(); it++) |
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535 | { |
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536 | Socket *p = NULL; |
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537 | { |
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538 | socket_m::iterator itmp = m_sockets.find(*it); |
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539 | if (itmp != m_sockets.end()) // found |
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540 | { |
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541 | p = itmp -> second; |
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542 | } |
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543 | else |
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544 | { |
---|
545 | LogError(NULL, "GetSocket/handler/4", (int)*it, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
---|
546 | } |
---|
547 | } |
---|
548 | if (p) |
---|
549 | { |
---|
550 | // if (p -> CallOnConnect() && p -> Ready() ) |
---|
551 | { |
---|
552 | p -> SetConnected(); // moved here from inside if (tcp) check below |
---|
553 | #ifdef HAVE_OPENSSL |
---|
554 | if (p -> IsSSL()) // SSL Enabled socket |
---|
555 | p -> OnSSLConnect(); |
---|
556 | else |
---|
557 | #endif |
---|
558 | #ifdef ENABLE_SOCKS4 |
---|
559 | if (p -> Socks4()) |
---|
560 | p -> OnSocks4Connect(); |
---|
561 | else |
---|
562 | #endif |
---|
563 | { |
---|
564 | TcpSocket *tcp = dynamic_cast<TcpSocket *>(p); |
---|
565 | if (tcp) |
---|
566 | { |
---|
567 | if (tcp -> GetOutputLength()) |
---|
568 | { |
---|
569 | p -> OnWrite(); |
---|
570 | } |
---|
571 | } |
---|
572 | #ifdef ENABLE_RECONNECT |
---|
573 | if (tcp && tcp -> IsReconnect()) |
---|
574 | p -> OnReconnect(); |
---|
575 | else |
---|
576 | #endif |
---|
577 | { |
---|
578 | // LogError(p, "Calling OnConnect", 0, "Because CallOnConnect", LOG_LEVEL_INFO); |
---|
579 | p -> OnConnect(); |
---|
580 | } |
---|
581 | } |
---|
582 | // p -> SetCallOnConnect( false ); |
---|
583 | AddList(p -> GetSocket(), LIST_CALLONCONNECT, false); |
---|
584 | } |
---|
585 | } |
---|
586 | } |
---|
587 | } |
---|
588 | #ifdef ENABLE_DETACH |
---|
589 | // check detach of socket if master handler - EVENT |
---|
590 | if (!m_slave && !m_fds_detach.empty()) |
---|
591 | { |
---|
592 | // %! why not using tmp list here??!? |
---|
593 | for (socket_v::iterator it = m_fds_detach.begin(); it != m_fds_detach.end(); it++) |
---|
594 | { |
---|
595 | Socket *p = NULL; |
---|
596 | { |
---|
597 | socket_m::iterator itmp = m_sockets.find(*it); |
---|
598 | if (itmp != m_sockets.end()) // found |
---|
599 | { |
---|
600 | p = itmp -> second; |
---|
601 | } |
---|
602 | else |
---|
603 | { |
---|
604 | LogError(NULL, "GetSocket/handler/5", (int)*it, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
---|
605 | } |
---|
606 | } |
---|
607 | if (p) |
---|
608 | { |
---|
609 | // if (p -> IsDetach()) |
---|
610 | { |
---|
611 | Set(p -> GetSocket(), false, false, false); |
---|
612 | // After DetachSocket(), all calls to Handler() will return a reference |
---|
613 | // to the new slave SocketHandler running in the new thread. |
---|
614 | p -> DetachSocket(); |
---|
615 | // Adding the file descriptor to m_fds_erase will now also remove the |
---|
616 | // socket from the detach queue - tnx knightmad |
---|
617 | m_fds_erase.push_back(p -> GetSocket()); |
---|
618 | } |
---|
619 | } |
---|
620 | } |
---|
621 | } |
---|
622 | #endif |
---|
623 | // check Connecting - connection timeout - conditional event |
---|
624 | if (m_fds_timeout.size()) |
---|
625 | { |
---|
626 | time_t tnow = time(NULL); |
---|
627 | if (tnow != m_tlast) |
---|
628 | { |
---|
629 | socket_v tmp = m_fds_timeout; |
---|
630 | DEB( fprintf(stderr, "Checking %d socket(s) for timeout\n", tmp.size());) |
---|
631 | for (socket_v::iterator it = tmp.begin(); it != tmp.end(); it++) |
---|
632 | { |
---|
633 | Socket *p = NULL; |
---|
634 | { |
---|
635 | socket_m::iterator itmp = m_sockets.find(*it); |
---|
636 | if (itmp != m_sockets.end()) // found |
---|
637 | { |
---|
638 | p = itmp -> second; |
---|
639 | } |
---|
640 | else |
---|
641 | { |
---|
642 | itmp = m_add.find(*it); |
---|
643 | if (itmp != m_add.end()) |
---|
644 | { |
---|
645 | p = itmp -> second; |
---|
646 | } |
---|
647 | else |
---|
648 | { |
---|
649 | LogError(NULL, "GetSocket/handler/6", (int)*it, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
---|
650 | } |
---|
651 | } |
---|
652 | } |
---|
653 | if (p) |
---|
654 | { |
---|
655 | if (p -> Timeout(tnow)) |
---|
656 | { |
---|
657 | StreamSocket *scp = dynamic_cast<StreamSocket *>(p); |
---|
658 | if (scp && scp -> Connecting()) |
---|
659 | p -> OnConnectTimeout(); |
---|
660 | else |
---|
661 | p -> OnTimeout(); |
---|
662 | p -> SetTimeout(0); |
---|
663 | } |
---|
664 | } |
---|
665 | } |
---|
666 | m_tlast = tnow; |
---|
667 | } // tnow != tlast |
---|
668 | } |
---|
669 | // check retry client connect - EVENT |
---|
670 | if (!m_fds_retry.empty()) |
---|
671 | { |
---|
672 | socket_v tmp = m_fds_retry; |
---|
673 | for (socket_v::iterator it = tmp.begin(); it != tmp.end(); it++) |
---|
674 | { |
---|
675 | Socket *p = NULL; |
---|
676 | { |
---|
677 | socket_m::iterator itmp = m_sockets.find(*it); |
---|
678 | if (itmp != m_sockets.end()) // found |
---|
679 | { |
---|
680 | p = itmp -> second; |
---|
681 | } |
---|
682 | else |
---|
683 | { |
---|
684 | LogError(NULL, "GetSocket/handler/7", (int)*it, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
---|
685 | } |
---|
686 | } |
---|
687 | if (p) |
---|
688 | { |
---|
689 | // if (p -> RetryClientConnect()) |
---|
690 | { |
---|
691 | TcpSocket *tcp = dynamic_cast<TcpSocket *>(p); |
---|
692 | SOCKET nn = *it; //(*it3).first; |
---|
693 | tcp -> SetRetryClientConnect(false); |
---|
694 | DEB( fprintf(stderr, "Close() before retry client connect\n");) |
---|
695 | p -> Close(); // removes from m_fds_retry |
---|
696 | std::auto_ptr<SocketAddress> ad = p -> GetClientRemoteAddress(); |
---|
697 | if (ad.get()) |
---|
698 | { |
---|
699 | tcp -> Open(*ad); |
---|
700 | } |
---|
701 | else |
---|
702 | { |
---|
703 | LogError(p, "RetryClientConnect", 0, "no address", LOG_LEVEL_ERROR); |
---|
704 | } |
---|
705 | Add(p); |
---|
706 | m_fds_erase.push_back(nn); |
---|
707 | } |
---|
708 | } |
---|
709 | } |
---|
710 | } |
---|
711 | // check close and delete - conditional event |
---|
712 | if (!m_fds_close.empty()) |
---|
713 | { |
---|
714 | socket_v tmp = m_fds_close; |
---|
715 | DEB( fprintf(stderr, "m_fds_close.size() == %d\n", (int)m_fds_close.size());) |
---|
716 | for (socket_v::iterator it = tmp.begin(); it != tmp.end(); it++) |
---|
717 | { |
---|
718 | Socket *p = NULL; |
---|
719 | { |
---|
720 | socket_m::iterator itmp = m_sockets.find(*it); |
---|
721 | if (itmp != m_sockets.end()) // found |
---|
722 | { |
---|
723 | p = itmp -> second; |
---|
724 | } |
---|
725 | else |
---|
726 | { |
---|
727 | itmp = m_add.find(*it); |
---|
728 | if (itmp != m_add.end()) |
---|
729 | { |
---|
730 | p = itmp -> second; |
---|
731 | } |
---|
732 | else |
---|
733 | { |
---|
734 | LogError(NULL, "GetSocket/handler/8", (int)*it, "Did not find expected socket using file descriptor", LOG_LEVEL_WARNING); |
---|
735 | } |
---|
736 | } |
---|
737 | } |
---|
738 | if (p) |
---|
739 | { |
---|
740 | // if (p -> CloseAndDelete() ) |
---|
741 | { |
---|
742 | TcpSocket *tcp = dynamic_cast<TcpSocket *>(p); |
---|
743 | // new graceful tcp - flush and close timeout 5s |
---|
744 | if (tcp && p -> IsConnected() && tcp -> GetFlushBeforeClose() && |
---|
745 | #ifdef HAVE_OPENSSL |
---|
746 | !tcp -> IsSSL() && |
---|
747 | #endif |
---|
748 | p -> TimeSinceClose() < 5) |
---|
749 | { |
---|
750 | DEB( fprintf(stderr, " close(1)\n");) |
---|
751 | if (tcp -> GetOutputLength()) |
---|
752 | { |
---|
753 | LogError(p, "Closing", (int)tcp -> GetOutputLength(), "Sending all data before closing", LOG_LEVEL_INFO); |
---|
754 | } |
---|
755 | else // shutdown write when output buffer is empty |
---|
756 | if (!(tcp -> GetShutdown() & SHUT_WR)) |
---|
757 | { |
---|
758 | SOCKET nn = *it; |
---|
759 | if (nn != INVALID_SOCKET && shutdown(nn, SHUT_WR) == -1) |
---|
760 | { |
---|
761 | LogError(p, "graceful shutdown", Errno, StrError(Errno), LOG_LEVEL_ERROR); |
---|
762 | } |
---|
763 | tcp -> SetShutdown(SHUT_WR); |
---|
764 | } |
---|
765 | } |
---|
766 | else |
---|
767 | #ifdef ENABLE_RECONNECT |
---|
768 | if (tcp && p -> IsConnected() && tcp -> Reconnect()) |
---|
769 | { |
---|
770 | SOCKET nn = *it; //(*it3).first; |
---|
771 | DEB( fprintf(stderr, " close(2) fd %d\n", nn);) |
---|
772 | p -> SetCloseAndDelete(false); |
---|
773 | tcp -> SetIsReconnect(); |
---|
774 | p -> SetConnected(false); |
---|
775 | DEB( fprintf(stderr, "Close() before reconnect\n");) |
---|
776 | p -> Close(); // dispose of old file descriptor (Open creates a new) |
---|
777 | p -> OnDisconnect(); |
---|
778 | std::auto_ptr<SocketAddress> ad = p -> GetClientRemoteAddress(); |
---|
779 | if (ad.get()) |
---|
780 | { |
---|
781 | tcp -> Open(*ad); |
---|
782 | } |
---|
783 | else |
---|
784 | { |
---|
785 | LogError(p, "Reconnect", 0, "no address", LOG_LEVEL_ERROR); |
---|
786 | } |
---|
787 | tcp -> ResetConnectionRetries(); |
---|
788 | Add(p); |
---|
789 | m_fds_erase.push_back(nn); |
---|
790 | } |
---|
791 | else |
---|
792 | #endif |
---|
793 | { |
---|
794 | SOCKET nn = *it; //(*it3).first; |
---|
795 | DEB( fprintf(stderr, " close(3) fd %d GetSocket() %d\n", nn, p -> GetSocket());) |
---|
796 | if (tcp && p -> IsConnected() && tcp -> GetOutputLength()) |
---|
797 | { |
---|
798 | LogError(p, "Closing", (int)tcp -> GetOutputLength(), "Closing socket while data still left to send", LOG_LEVEL_WARNING); |
---|
799 | } |
---|
800 | #ifdef ENABLE_POOL |
---|
801 | if (p -> Retain() && !p -> Lost()) |
---|
802 | { |
---|
803 | PoolSocket *p2 = new PoolSocket(*this, p); |
---|
804 | p2 -> SetDeleteByHandler(); |
---|
805 | Add(p2); |
---|
806 | // |
---|
807 | p -> SetCloseAndDelete(false); // added - remove from m_fds_close |
---|
808 | } |
---|
809 | else |
---|
810 | #endif // ENABLE_POOL |
---|
811 | { |
---|
812 | Set(p -> GetSocket(),false,false,false); |
---|
813 | DEB( fprintf(stderr, "Close() before OnDelete\n");) |
---|
814 | p -> Close(); |
---|
815 | } |
---|
816 | p -> OnDelete(); |
---|
817 | if (p -> DeleteByHandler()) |
---|
818 | { |
---|
819 | p -> SetErasedByHandler(); |
---|
820 | } |
---|
821 | m_fds_erase.push_back(nn); |
---|
822 | } |
---|
823 | } |
---|
824 | } |
---|
825 | } |
---|
826 | } |
---|
827 | |
---|
828 | // check erased sockets |
---|
829 | bool check_max_fd = false; |
---|
830 | while (!m_fds_erase.empty()) |
---|
831 | { |
---|
832 | socket_v::iterator it = m_fds_erase.begin(); |
---|
833 | SOCKET nn = *it; |
---|
834 | #ifdef ENABLE_DETACH |
---|
835 | { |
---|
836 | for (socket_v::iterator it = m_fds_detach.begin(); it != m_fds_detach.end(); it++) |
---|
837 | { |
---|
838 | if (*it == nn) |
---|
839 | { |
---|
840 | m_fds_detach.erase(it); |
---|
841 | break; |
---|
842 | } |
---|
843 | } |
---|
844 | } |
---|
845 | #endif |
---|
846 | { |
---|
847 | for (socket_v::iterator it = m_fds.begin(); it != m_fds.end(); it++) |
---|
848 | { |
---|
849 | if (*it == nn) |
---|
850 | { |
---|
851 | m_fds.erase(it); |
---|
852 | break; |
---|
853 | } |
---|
854 | } |
---|
855 | } |
---|
856 | { |
---|
857 | socket_m::iterator it = m_sockets.find(nn); |
---|
858 | if (it != m_sockets.end()) |
---|
859 | { |
---|
860 | Socket *p = it -> second; |
---|
861 | /* Sometimes a SocketThread class can finish its run before the master |
---|
862 | sockethandler gets here. In that case, the SocketThread has set the |
---|
863 | 'ErasedByHandler' flag on the socket which will make us end up with a |
---|
864 | double delete on the socket instance. |
---|
865 | The fix is to make sure that the master sockethandler only can delete |
---|
866 | non-detached sockets, and a slave sockethandler only can delete |
---|
867 | detach sockets. */ |
---|
868 | if (p -> ErasedByHandler() |
---|
869 | #ifdef ENABLE_DETACH |
---|
870 | && !(m_slave ^ p -> IsDetached()) |
---|
871 | #endif |
---|
872 | ) |
---|
873 | { |
---|
874 | #ifdef ENABLE_TRIGGERS |
---|
875 | bool again = false; |
---|
876 | do |
---|
877 | { |
---|
878 | again = false; |
---|
879 | for (std::map<int, Socket *>::iterator it = m_trigger_src.begin(); it != m_trigger_src.end(); it++) |
---|
880 | { |
---|
881 | int id = it -> first; |
---|
882 | Socket *src = it -> second; |
---|
883 | if (src == p) |
---|
884 | { |
---|
885 | for (std::map<Socket *, bool>::iterator it = m_trigger_dst[id].begin(); it != m_trigger_dst[id].end(); it++) |
---|
886 | { |
---|
887 | Socket *dst = it -> first; |
---|
888 | if (Valid(dst)) |
---|
889 | { |
---|
890 | dst -> OnCancelled(id); |
---|
891 | } |
---|
892 | } |
---|
893 | m_trigger_src.erase(m_trigger_src.find(id)); |
---|
894 | m_trigger_dst.erase(m_trigger_dst.find(id)); |
---|
895 | again = true; |
---|
896 | break; |
---|
897 | } |
---|
898 | } |
---|
899 | } while (again); |
---|
900 | #endif |
---|
901 | delete p; |
---|
902 | } |
---|
903 | m_sockets.erase(it); |
---|
904 | } |
---|
905 | } |
---|
906 | m_fds_erase.erase(it); |
---|
907 | check_max_fd = true; |
---|
908 | } |
---|
909 | // calculate max file descriptor for select() call |
---|
910 | if (check_max_fd) |
---|
911 | { |
---|
912 | m_maxsock = 0; |
---|
913 | for (socket_v::iterator it = m_fds.begin(); it != m_fds.end(); it++) |
---|
914 | { |
---|
915 | SOCKET s = *it; |
---|
916 | m_maxsock = s > m_maxsock ? s : m_maxsock; |
---|
917 | } |
---|
918 | } |
---|
919 | // remove Add's that fizzed |
---|
920 | while (!m_delete.empty()) |
---|
921 | { |
---|
922 | std::list<Socket *>::iterator it = m_delete.begin(); |
---|
923 | Socket *p = *it; |
---|
924 | p -> OnDelete(); |
---|
925 | m_delete.erase(it); |
---|
926 | if (p -> DeleteByHandler() |
---|
927 | #ifdef ENABLE_DETACH |
---|
928 | && !(m_slave ^ p -> IsDetached()) |
---|
929 | #endif |
---|
930 | ) |
---|
931 | { |
---|
932 | p -> SetErasedByHandler(); |
---|
933 | #ifdef ENABLE_TRIGGERS |
---|
934 | bool again = false; |
---|
935 | do |
---|
936 | { |
---|
937 | again = false; |
---|
938 | for (std::map<int, Socket *>::iterator it = m_trigger_src.begin(); it != m_trigger_src.end(); it++) |
---|
939 | { |
---|
940 | int id = it -> first; |
---|
941 | Socket *src = it -> second; |
---|
942 | if (src == p) |
---|
943 | { |
---|
944 | for (std::map<Socket *, bool>::iterator it = m_trigger_dst[id].begin(); it != m_trigger_dst[id].end(); it++) |
---|
945 | { |
---|
946 | Socket *dst = it -> first; |
---|
947 | if (Valid(dst)) |
---|
948 | { |
---|
949 | dst -> OnCancelled(id); |
---|
950 | } |
---|
951 | } |
---|
952 | m_trigger_src.erase(m_trigger_src.find(id)); |
---|
953 | m_trigger_dst.erase(m_trigger_dst.find(id)); |
---|
954 | again = true; |
---|
955 | break; |
---|
956 | } |
---|
957 | } |
---|
958 | } while (again); |
---|
959 | #endif |
---|
960 | delete p; |
---|
961 | } |
---|
962 | } |
---|
963 | return n; |
---|
964 | } |
---|
965 | |
---|
966 | |
---|
967 | #ifdef ENABLE_RESOLVER |
---|
968 | bool SocketHandler::Resolving(Socket *p0) |
---|
969 | { |
---|
970 | std::map<Socket *, bool>::iterator it = m_resolve_q.find(p0); |
---|
971 | return it != m_resolve_q.end(); |
---|
972 | } |
---|
973 | #endif |
---|
974 | |
---|
975 | |
---|
976 | bool SocketHandler::Valid(Socket *p0) |
---|
977 | { |
---|
978 | for (socket_m::iterator it = m_sockets.begin(); it != m_sockets.end(); it++) |
---|
979 | { |
---|
980 | Socket *p = it -> second; |
---|
981 | if (p0 == p) |
---|
982 | return true; |
---|
983 | } |
---|
984 | return false; |
---|
985 | } |
---|
986 | |
---|
987 | |
---|
988 | bool SocketHandler::OkToAccept(Socket *) |
---|
989 | { |
---|
990 | return true; |
---|
991 | } |
---|
992 | |
---|
993 | |
---|
994 | size_t SocketHandler::GetCount() |
---|
995 | { |
---|
996 | /* |
---|
997 | printf(" m_sockets : %d\n", m_sockets.size()); |
---|
998 | printf(" m_add : %d\n", m_add.size()); |
---|
999 | printf(" m_delete : %d\n", m_delete.size()); |
---|
1000 | */ |
---|
1001 | return m_sockets.size() + m_add.size() + m_delete.size(); |
---|
1002 | } |
---|
1003 | |
---|
1004 | |
---|
1005 | #ifdef ENABLE_SOCKS4 |
---|
1006 | void SocketHandler::SetSocks4Host(ipaddr_t a) |
---|
1007 | { |
---|
1008 | m_socks4_host = a; |
---|
1009 | } |
---|
1010 | |
---|
1011 | |
---|
1012 | void SocketHandler::SetSocks4Host(const std::string& host) |
---|
1013 | { |
---|
1014 | Utility::u2ip(host, m_socks4_host); |
---|
1015 | } |
---|
1016 | |
---|
1017 | |
---|
1018 | void SocketHandler::SetSocks4Port(port_t port) |
---|
1019 | { |
---|
1020 | m_socks4_port = port; |
---|
1021 | } |
---|
1022 | |
---|
1023 | |
---|
1024 | void SocketHandler::SetSocks4Userid(const std::string& id) |
---|
1025 | { |
---|
1026 | m_socks4_userid = id; |
---|
1027 | } |
---|
1028 | #endif |
---|
1029 | |
---|
1030 | |
---|
1031 | #ifdef ENABLE_RESOLVER |
---|
1032 | int SocketHandler::Resolve(Socket *p,const std::string& host,port_t port) |
---|
1033 | { |
---|
1034 | // check cache |
---|
1035 | ResolvSocket *resolv = new ResolvSocket(*this, p, host, port); |
---|
1036 | resolv -> SetId(++m_resolv_id); |
---|
1037 | resolv -> SetDeleteByHandler(); |
---|
1038 | ipaddr_t local; |
---|
1039 | Utility::u2ip("127.0.0.1", local); |
---|
1040 | if (!resolv -> Open(local, m_resolver_port)) |
---|
1041 | { |
---|
1042 | LogError(resolv, "Resolve", -1, "Can't connect to local resolve server", LOG_LEVEL_FATAL); |
---|
1043 | } |
---|
1044 | Add(resolv); |
---|
1045 | m_resolve_q[p] = true; |
---|
1046 | DEB( fprintf(stderr, " *** Resolve '%s:%d' id#%d m_resolve_q size: %d p: %p\n", host.c_str(), port, resolv -> GetId(), m_resolve_q.size(), p);) |
---|
1047 | return resolv -> GetId(); |
---|
1048 | } |
---|
1049 | |
---|
1050 | |
---|
1051 | #ifdef ENABLE_IPV6 |
---|
1052 | int SocketHandler::Resolve6(Socket *p,const std::string& host,port_t port) |
---|
1053 | { |
---|
1054 | // check cache |
---|
1055 | ResolvSocket *resolv = new ResolvSocket(*this, p, host, port, true); |
---|
1056 | resolv -> SetId(++m_resolv_id); |
---|
1057 | resolv -> SetDeleteByHandler(); |
---|
1058 | ipaddr_t local; |
---|
1059 | Utility::u2ip("127.0.0.1", local); |
---|
1060 | if (!resolv -> Open(local, m_resolver_port)) |
---|
1061 | { |
---|
1062 | LogError(resolv, "Resolve", -1, "Can't connect to local resolve server", LOG_LEVEL_FATAL); |
---|
1063 | } |
---|
1064 | Add(resolv); |
---|
1065 | m_resolve_q[p] = true; |
---|
1066 | return resolv -> GetId(); |
---|
1067 | } |
---|
1068 | #endif |
---|
1069 | |
---|
1070 | |
---|
1071 | int SocketHandler::Resolve(Socket *p,ipaddr_t a) |
---|
1072 | { |
---|
1073 | // check cache |
---|
1074 | ResolvSocket *resolv = new ResolvSocket(*this, p, a); |
---|
1075 | resolv -> SetId(++m_resolv_id); |
---|
1076 | resolv -> SetDeleteByHandler(); |
---|
1077 | ipaddr_t local; |
---|
1078 | Utility::u2ip("127.0.0.1", local); |
---|
1079 | if (!resolv -> Open(local, m_resolver_port)) |
---|
1080 | { |
---|
1081 | LogError(resolv, "Resolve", -1, "Can't connect to local resolve server", LOG_LEVEL_FATAL); |
---|
1082 | } |
---|
1083 | Add(resolv); |
---|
1084 | m_resolve_q[p] = true; |
---|
1085 | return resolv -> GetId(); |
---|
1086 | } |
---|
1087 | |
---|
1088 | |
---|
1089 | #ifdef ENABLE_IPV6 |
---|
1090 | int SocketHandler::Resolve(Socket *p,in6_addr& a) |
---|
1091 | { |
---|
1092 | // check cache |
---|
1093 | ResolvSocket *resolv = new ResolvSocket(*this, p, a); |
---|
1094 | resolv -> SetId(++m_resolv_id); |
---|
1095 | resolv -> SetDeleteByHandler(); |
---|
1096 | ipaddr_t local; |
---|
1097 | Utility::u2ip("127.0.0.1", local); |
---|
1098 | if (!resolv -> Open(local, m_resolver_port)) |
---|
1099 | { |
---|
1100 | LogError(resolv, "Resolve", -1, "Can't connect to local resolve server", LOG_LEVEL_FATAL); |
---|
1101 | } |
---|
1102 | Add(resolv); |
---|
1103 | m_resolve_q[p] = true; |
---|
1104 | return resolv -> GetId(); |
---|
1105 | } |
---|
1106 | #endif |
---|
1107 | |
---|
1108 | |
---|
1109 | void SocketHandler::EnableResolver(port_t port) |
---|
1110 | { |
---|
1111 | if (!m_resolver) |
---|
1112 | { |
---|
1113 | m_resolver_port = port; |
---|
1114 | m_resolver = new ResolvServer(port); |
---|
1115 | } |
---|
1116 | } |
---|
1117 | |
---|
1118 | |
---|
1119 | bool SocketHandler::ResolverReady() |
---|
1120 | { |
---|
1121 | return m_resolver ? m_resolver -> Ready() : false; |
---|
1122 | } |
---|
1123 | #endif // ENABLE_RESOLVER |
---|
1124 | |
---|
1125 | |
---|
1126 | #ifdef ENABLE_SOCKS4 |
---|
1127 | void SocketHandler::SetSocks4TryDirect(bool x) |
---|
1128 | { |
---|
1129 | m_bTryDirect = x; |
---|
1130 | } |
---|
1131 | |
---|
1132 | |
---|
1133 | ipaddr_t SocketHandler::GetSocks4Host() |
---|
1134 | { |
---|
1135 | return m_socks4_host; |
---|
1136 | } |
---|
1137 | |
---|
1138 | |
---|
1139 | port_t SocketHandler::GetSocks4Port() |
---|
1140 | { |
---|
1141 | return m_socks4_port; |
---|
1142 | } |
---|
1143 | |
---|
1144 | |
---|
1145 | const std::string& SocketHandler::GetSocks4Userid() |
---|
1146 | { |
---|
1147 | return m_socks4_userid; |
---|
1148 | } |
---|
1149 | |
---|
1150 | |
---|
1151 | bool SocketHandler::Socks4TryDirect() |
---|
1152 | { |
---|
1153 | return m_bTryDirect; |
---|
1154 | } |
---|
1155 | #endif |
---|
1156 | |
---|
1157 | |
---|
1158 | #ifdef ENABLE_RESOLVER |
---|
1159 | bool SocketHandler::ResolverEnabled() |
---|
1160 | { |
---|
1161 | return m_resolver ? true : false; |
---|
1162 | } |
---|
1163 | |
---|
1164 | |
---|
1165 | port_t SocketHandler::GetResolverPort() |
---|
1166 | { |
---|
1167 | return m_resolver_port; |
---|
1168 | } |
---|
1169 | #endif // ENABLE_RESOLVER |
---|
1170 | |
---|
1171 | |
---|
1172 | #ifdef ENABLE_POOL |
---|
1173 | ISocketHandler::PoolSocket *SocketHandler::FindConnection(int type,const std::string& protocol,SocketAddress& ad) |
---|
1174 | { |
---|
1175 | for (socket_m::iterator it = m_sockets.begin(); it != m_sockets.end() && !m_sockets.empty(); it++) |
---|
1176 | { |
---|
1177 | PoolSocket *pools = dynamic_cast<PoolSocket *>(it -> second); |
---|
1178 | if (pools) |
---|
1179 | { |
---|
1180 | if (pools -> GetSocketType() == type && |
---|
1181 | pools -> GetSocketProtocol() == protocol && |
---|
1182 | // %! pools -> GetClientRemoteAddress() && |
---|
1183 | *pools -> GetClientRemoteAddress() == ad) |
---|
1184 | { |
---|
1185 | m_sockets.erase(it); |
---|
1186 | pools -> SetRetain(); // avoid Close in Socket destructor |
---|
1187 | return pools; // Caller is responsible that this socket is deleted |
---|
1188 | } |
---|
1189 | } |
---|
1190 | } |
---|
1191 | return NULL; |
---|
1192 | } |
---|
1193 | |
---|
1194 | |
---|
1195 | void SocketHandler::EnablePool(bool x) |
---|
1196 | { |
---|
1197 | m_b_enable_pool = x; |
---|
1198 | } |
---|
1199 | |
---|
1200 | |
---|
1201 | bool SocketHandler::PoolEnabled() |
---|
1202 | { |
---|
1203 | return m_b_enable_pool; |
---|
1204 | } |
---|
1205 | #endif |
---|
1206 | |
---|
1207 | |
---|
1208 | void SocketHandler::Remove(Socket *p) |
---|
1209 | { |
---|
1210 | #ifdef ENABLE_RESOLVER |
---|
1211 | std::map<Socket *, bool>::iterator it4 = m_resolve_q.find(p); |
---|
1212 | if (it4 != m_resolve_q.end()) |
---|
1213 | m_resolve_q.erase(it4); |
---|
1214 | #endif |
---|
1215 | if (p -> ErasedByHandler()) |
---|
1216 | { |
---|
1217 | return; |
---|
1218 | } |
---|
1219 | for (socket_m::iterator it = m_sockets.begin(); it != m_sockets.end(); it++) |
---|
1220 | { |
---|
1221 | if (it -> second == p) |
---|
1222 | { |
---|
1223 | LogError(p, "Remove", -1, "Socket destructor called while still in use", LOG_LEVEL_WARNING); |
---|
1224 | m_sockets.erase(it); |
---|
1225 | return; |
---|
1226 | } |
---|
1227 | } |
---|
1228 | for (socket_m::iterator it2 = m_add.begin(); it2 != m_add.end(); it2++) |
---|
1229 | { |
---|
1230 | if ((*it2).second == p) |
---|
1231 | { |
---|
1232 | LogError(p, "Remove", -2, "Socket destructor called while still in use", LOG_LEVEL_WARNING); |
---|
1233 | m_add.erase(it2); |
---|
1234 | return; |
---|
1235 | } |
---|
1236 | } |
---|
1237 | for (std::list<Socket *>::iterator it3 = m_delete.begin(); it3 != m_delete.end(); it3++) |
---|
1238 | { |
---|
1239 | if (*it3 == p) |
---|
1240 | { |
---|
1241 | LogError(p, "Remove", -3, "Socket destructor called while still in use", LOG_LEVEL_WARNING); |
---|
1242 | m_delete.erase(it3); |
---|
1243 | return; |
---|
1244 | } |
---|
1245 | } |
---|
1246 | } |
---|
1247 | |
---|
1248 | |
---|
1249 | void SocketHandler::CheckSanity() |
---|
1250 | { |
---|
1251 | CheckList(m_fds, "active sockets"); // active sockets |
---|
1252 | CheckList(m_fds_erase, "sockets to be erased"); // should always be empty anyway |
---|
1253 | CheckList(m_fds_callonconnect, "checklist CallOnConnect"); |
---|
1254 | #ifdef ENABLE_DETACH |
---|
1255 | CheckList(m_fds_detach, "checklist Detach"); |
---|
1256 | #endif |
---|
1257 | CheckList(m_fds_timeout, "checklist Timeout"); |
---|
1258 | CheckList(m_fds_retry, "checklist retry client connect"); |
---|
1259 | CheckList(m_fds_close, "checklist close and delete"); |
---|
1260 | } |
---|
1261 | |
---|
1262 | |
---|
1263 | void SocketHandler::CheckList(socket_v& ref,const std::string& listname) |
---|
1264 | { |
---|
1265 | for (socket_v::iterator it = ref.begin(); it != ref.end(); it++) |
---|
1266 | { |
---|
1267 | SOCKET s = *it; |
---|
1268 | if (m_sockets.find(s) != m_sockets.end()) |
---|
1269 | continue; |
---|
1270 | if (m_add.find(s) != m_add.end()) |
---|
1271 | continue; |
---|
1272 | bool found = false; |
---|
1273 | for (std::list<Socket *>::iterator it = m_delete.begin(); it != m_delete.end(); it++) |
---|
1274 | { |
---|
1275 | Socket *p = *it; |
---|
1276 | if (p -> GetSocket() == s) |
---|
1277 | { |
---|
1278 | found = true; |
---|
1279 | break; |
---|
1280 | } |
---|
1281 | } |
---|
1282 | if (!found) |
---|
1283 | { |
---|
1284 | fprintf(stderr, "CheckList failed for \"%s\": fd %d\n", listname.c_str(), s); |
---|
1285 | } |
---|
1286 | } |
---|
1287 | } |
---|
1288 | |
---|
1289 | |
---|
1290 | void SocketHandler::AddList(SOCKET s,list_t which_one,bool add) |
---|
1291 | { |
---|
1292 | if (s == INVALID_SOCKET) |
---|
1293 | { |
---|
1294 | DEB( fprintf(stderr, "AddList: invalid_socket\n");) |
---|
1295 | return; |
---|
1296 | } |
---|
1297 | socket_v& ref = |
---|
1298 | (which_one == LIST_CALLONCONNECT) ? m_fds_callonconnect : |
---|
1299 | #ifdef ENABLE_DETACH |
---|
1300 | (which_one == LIST_DETACH) ? m_fds_detach : |
---|
1301 | #endif |
---|
1302 | (which_one == LIST_TIMEOUT) ? m_fds_timeout : |
---|
1303 | (which_one == LIST_RETRY) ? m_fds_retry : |
---|
1304 | (which_one == LIST_CLOSE) ? m_fds_close : m_fds_close; |
---|
1305 | if (add) |
---|
1306 | { |
---|
1307 | #ifdef ENABLE_DETACH |
---|
1308 | DEB( fprintf(stderr, "AddList; %5d: %s: %s\n", s, (which_one == LIST_CALLONCONNECT) ? "CallOnConnect" : |
---|
1309 | (which_one == LIST_DETACH) ? "Detach" : |
---|
1310 | (which_one == LIST_TIMEOUT) ? "Timeout" : |
---|
1311 | (which_one == LIST_RETRY) ? "Retry" : |
---|
1312 | (which_one == LIST_CLOSE) ? "Close" : "<undef>", |
---|
1313 | add ? "Add" : "Remove");) |
---|
1314 | #else |
---|
1315 | DEB( fprintf(stderr, "AddList; %5d: %s: %s\n", s, (which_one == LIST_CALLONCONNECT) ? "CallOnConnect" : |
---|
1316 | (which_one == LIST_TIMEOUT) ? "Timeout" : |
---|
1317 | (which_one == LIST_RETRY) ? "Retry" : |
---|
1318 | (which_one == LIST_CLOSE) ? "Close" : "<undef>", |
---|
1319 | add ? "Add" : "Remove");) |
---|
1320 | #endif |
---|
1321 | } |
---|
1322 | if (add) |
---|
1323 | { |
---|
1324 | for (socket_v::iterator it = ref.begin(); it != ref.end(); it++) |
---|
1325 | { |
---|
1326 | if (*it == s) // already there |
---|
1327 | { |
---|
1328 | return; |
---|
1329 | } |
---|
1330 | } |
---|
1331 | ref.push_back(s); |
---|
1332 | return; |
---|
1333 | } |
---|
1334 | // remove |
---|
1335 | for (socket_v::iterator it = ref.begin(); it != ref.end(); it++) |
---|
1336 | { |
---|
1337 | if (*it == s) |
---|
1338 | { |
---|
1339 | ref.erase(it); |
---|
1340 | break; |
---|
1341 | } |
---|
1342 | } |
---|
1343 | //DEB( fprintf(stderr, "/AddList\n");) |
---|
1344 | } |
---|
1345 | |
---|
1346 | |
---|
1347 | #ifdef ENABLE_TRIGGERS |
---|
1348 | int SocketHandler::TriggerID(Socket *src) |
---|
1349 | { |
---|
1350 | int id = m_next_trigger_id++; |
---|
1351 | m_trigger_src[id] = src; |
---|
1352 | return id; |
---|
1353 | } |
---|
1354 | |
---|
1355 | |
---|
1356 | bool SocketHandler::Subscribe(int id, Socket *dst) |
---|
1357 | { |
---|
1358 | if (m_trigger_src.find(id) != m_trigger_src.end()) |
---|
1359 | { |
---|
1360 | std::map<Socket *, bool>::iterator it = m_trigger_dst[id].find(dst); |
---|
1361 | if (it != m_trigger_dst[id].end()) |
---|
1362 | { |
---|
1363 | m_trigger_dst[id][dst] = true; |
---|
1364 | return true; |
---|
1365 | } |
---|
1366 | LogError(dst, "Subscribe", id, "Already subscribed", LOG_LEVEL_INFO); |
---|
1367 | return false; |
---|
1368 | } |
---|
1369 | LogError(dst, "Subscribe", id, "Trigger id not found", LOG_LEVEL_INFO); |
---|
1370 | return false; |
---|
1371 | } |
---|
1372 | |
---|
1373 | |
---|
1374 | bool SocketHandler::Unsubscribe(int id, Socket *dst) |
---|
1375 | { |
---|
1376 | if (m_trigger_src.find(id) != m_trigger_src.end()) |
---|
1377 | { |
---|
1378 | std::map<Socket *, bool>::iterator it = m_trigger_dst[id].find(dst); |
---|
1379 | if (it != m_trigger_dst[id].end()) |
---|
1380 | { |
---|
1381 | m_trigger_dst[id].erase(it); |
---|
1382 | return true; |
---|
1383 | } |
---|
1384 | LogError(dst, "Unsubscribe", id, "Not subscribed", LOG_LEVEL_INFO); |
---|
1385 | return false; |
---|
1386 | } |
---|
1387 | LogError(dst, "Unsubscribe", id, "Trigger id not found", LOG_LEVEL_INFO); |
---|
1388 | return false; |
---|
1389 | } |
---|
1390 | |
---|
1391 | |
---|
1392 | void SocketHandler::Trigger(int id, Socket::TriggerData& data, bool erase) |
---|
1393 | { |
---|
1394 | if (m_trigger_src.find(id) != m_trigger_src.end()) |
---|
1395 | { |
---|
1396 | data.SetSource( m_trigger_src[id] ); |
---|
1397 | for (std::map<Socket *, bool>::iterator it = m_trigger_dst[id].begin(); it != m_trigger_dst[id].end(); it++) |
---|
1398 | { |
---|
1399 | Socket *dst = it -> first; |
---|
1400 | if (Valid(dst)) |
---|
1401 | { |
---|
1402 | dst -> OnTrigger(id, data); |
---|
1403 | } |
---|
1404 | } |
---|
1405 | if (erase) |
---|
1406 | { |
---|
1407 | m_trigger_src.erase(m_trigger_src.find(id)); |
---|
1408 | m_trigger_dst.erase(m_trigger_dst.find(id)); |
---|
1409 | } |
---|
1410 | } |
---|
1411 | else |
---|
1412 | { |
---|
1413 | LogError(NULL, "Trigger", id, "Trigger id not found", LOG_LEVEL_INFO); |
---|
1414 | } |
---|
1415 | } |
---|
1416 | #endif // ENABLE_TRIGGERS |
---|
1417 | |
---|
1418 | |
---|
1419 | #ifdef SOCKETS_NAMESPACE |
---|
1420 | } |
---|
1421 | #endif |
---|
1422 | |
---|