1 | #define MODULE_LOG_PREFIX "work"
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2 |
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3 | #include "globals.h"
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4 | #include "module-cacheex.h"
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5 | #include "oscam-client.h"
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6 | #include "oscam-ecm.h"
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7 | #include "oscam-emm.h"
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8 | #include "oscam-lock.h"
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9 | #include "oscam-net.h"
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10 | #include "oscam-reader.h"
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11 | #include "oscam-string.h"
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12 | #include "oscam-work.h"
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13 | #include "reader-common.h"
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14 | #include "module-cccam.h"
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15 | #include "module-cccam-data.h"
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16 | #include "module-cccshare.h"
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17 | #include "oscam-time.h"
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18 |
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19 | extern CS_MUTEX_LOCK system_lock;
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20 | extern int32_t thread_pipe[2];
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21 |
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22 | struct job_data
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23 | {
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24 | enum actions action;
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25 | struct s_reader *rdr;
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26 | struct s_client *cl;
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27 | void *ptr;
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28 | struct timeb time;
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29 | uint16_t len;
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30 | };
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31 |
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32 | static void free_job_data(struct job_data *data)
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33 | {
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34 | if(!data)
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35 | { return; }
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36 | if(data->len && data->ptr)
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37 | {
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38 | // special free checks
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39 | if(data->action==ACTION_ECM_ANSWER_CACHE)
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40 | {
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41 | NULLFREE(((struct s_write_from_cache *)data->ptr)->er_cache);
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42 | }
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43 |
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44 | NULLFREE(data->ptr);
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45 | }
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46 | NULLFREE(data);
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47 | }
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48 |
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49 | void free_joblist(struct s_client *cl)
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50 | {
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51 | int32_t lock_status = pthread_mutex_trylock(&cl->thread_lock);
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52 | LL_ITER it = ll_iter_create(cl->joblist);
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53 |
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54 | struct job_data *data;
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55 | while((data = ll_iter_next(&it)))
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56 | {
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57 | free_job_data(data);
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58 | }
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59 |
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60 | ll_destroy(&cl->joblist);
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61 | cl->account = NULL;
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62 |
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63 | if(cl->work_job_data) // Free job_data that was not freed by work_thread
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64 | { free_job_data(cl->work_job_data); }
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65 |
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66 | cl->work_job_data = NULL;
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67 |
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68 | if(lock_status == 0)
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69 | { SAFE_MUTEX_UNLOCK(&cl->thread_lock); }
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70 |
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71 | pthread_mutex_destroy(&cl->thread_lock);
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72 | }
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73 |
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74 | /*
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75 | Work threads are named like this:
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76 | w[r|c]XX-[rdr->label|client->username]
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77 |
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78 | w - work thread prefix
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79 | [r|c] - depending whether the the action is related to reader or client
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80 | XX - two digit action code from enum actions
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81 | label - reader label or client username (see username() function)
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82 | */
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83 | static void set_work_thread_name(struct job_data *data)
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84 | {
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85 | char thread_name[16 + 1];
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86 | snprintf(thread_name, sizeof(thread_name), "w%c%02d-%s",
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87 | data->action < ACTION_CLIENT_FIRST ? 'r' : 'c',
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88 | data->action,
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89 | username(data->cl)
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90 | );
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91 | set_thread_name(thread_name);
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92 | }
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93 |
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94 | #define __free_job_data(client, job_data) \
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95 | do { \
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96 | client->work_job_data = NULL; \
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97 | if(job_data && job_data != &tmp_data) { \
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98 | free_job_data(job_data); \
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99 | } \
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100 | job_data = NULL; \
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101 | } while(0)
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102 |
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103 | void *work_thread(void *ptr)
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104 | {
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105 | struct job_data *data = (struct job_data *)ptr;
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106 | struct s_client *cl = data->cl;
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107 | struct s_reader *reader = cl->reader;
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108 | struct timeb start, end; // start time poll, end time poll
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109 |
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110 | struct job_data tmp_data;
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111 | struct pollfd pfd[1];
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112 |
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113 | SAFE_SETSPECIFIC(getclient, cl);
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114 | cl->thread = pthread_self();
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115 | cl->thread_active = 1;
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116 |
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117 | set_work_thread_name(data);
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118 |
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119 | struct s_module *module = get_module(cl);
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120 | uint16_t bufsize = module->bufsize; // CCCam needs more than 1024bytes!
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121 | if(!bufsize)
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122 | { bufsize = DEFAULT_MODULE_BUFSIZE; }
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123 |
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124 | uint8_t *mbuf;
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125 | if(!cs_malloc(&mbuf, bufsize))
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126 | { return NULL; }
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127 |
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128 | cl->work_mbuf = mbuf; // Track locally allocated data, because some callback may call cs_exit/cs_disconect_client/pthread_exit and then mbuf would be leaked
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129 | int32_t n = 0, rc = 0, i, idx, s;
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130 | uint8_t dcw[16];
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131 | int8_t restart_reader = 0;
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132 |
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133 | while(cl->thread_active)
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134 | {
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135 | cs_ftime(&start); // register start time
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136 |
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137 | while(cl->thread_active)
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138 | {
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139 | if(!cl || cl->kill || !is_valid_client(cl))
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140 | {
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141 | SAFE_MUTEX_LOCK(&cl->thread_lock);
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142 | cl->thread_active = 0;
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143 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
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144 | cs_log_dbg(D_TRACE, "ending thread (kill)");
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145 | __free_job_data(cl, data);
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146 | cl->work_mbuf = NULL; // Prevent free_client from freeing mbuf (->work_mbuf)
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147 | free_client(cl);
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148 | if(restart_reader)
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149 | { restart_cardreader(reader, 0); }
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150 | NULLFREE(mbuf);
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151 | pthread_exit(NULL);
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152 | return NULL;
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153 | }
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154 |
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155 | if(data && data->action != ACTION_READER_CHECK_HEALTH)
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156 | { cs_log_dbg(D_TRACE, "data from add_job action=%d client %c %s", data->action, cl->typ, username(cl)); }
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157 |
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158 | if(!data)
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159 | {
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160 | if(!cl->kill && cl->typ != 'r')
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161 | { client_check_status(cl); } // do not call for physical readers as this might cause an endless job loop
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162 |
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163 | SAFE_MUTEX_LOCK(&cl->thread_lock);
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164 | if(cl->joblist && ll_count(cl->joblist) > 0)
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165 | {
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166 | LL_ITER itr = ll_iter_create(cl->joblist);
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167 | data = ll_iter_next_remove(&itr);
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168 | if(data)
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169 | { set_work_thread_name(data); }
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170 | //cs_log_dbg(D_TRACE, "start next job from list action=%d", data->action);
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171 | }
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172 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
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173 | }
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174 |
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175 | if(!data)
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176 | {
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177 | /* for serial client cl->pfd is file descriptor for serial port not socket
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178 | for example: pfd=open("/dev/ttyUSB0"); */
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179 | if(!cl->pfd || module->listenertype == LIS_SERIAL)
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180 | { break; }
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181 |
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182 | pfd[0].fd = cl->pfd;
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183 | pfd[0].events = POLLIN | POLLPRI;
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184 |
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185 | SAFE_MUTEX_LOCK(&cl->thread_lock);
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186 | cl->thread_active = 2;
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187 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
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188 |
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189 | rc = poll(pfd, 1, 3000);
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190 |
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191 | SAFE_MUTEX_LOCK(&cl->thread_lock);
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192 | cl->thread_active = 1;
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193 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
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194 |
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195 | if(rc > 0)
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196 | {
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197 | cs_ftime(&end); // register end time
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198 | cs_log_dbg(D_TRACE, "[OSCAM-WORK] new event %d occurred on fd %d after %"PRId64" ms inactivity", pfd[0].revents,
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199 | pfd[0].fd, comp_timeb(&end, &start));
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200 | data = &tmp_data;
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201 | data->ptr = NULL;
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202 | cs_ftime(&start); // register start time for new poll next run
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203 |
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204 | if(reader)
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205 | { data->action = ACTION_READER_REMOTE; }
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206 | else
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207 | {
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208 | if(cl->is_udp)
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209 | {
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210 | data->action = ACTION_CLIENT_UDP;
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211 | data->ptr = mbuf;
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212 | data->len = bufsize;
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213 | }
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214 | else
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215 | { data->action = ACTION_CLIENT_TCP; }
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216 |
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217 | if(pfd[0].revents & (POLLHUP | POLLNVAL | POLLERR))
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218 | { cl->kill = 1; }
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219 | }
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220 | }
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221 | }
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222 |
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223 | if(!data)
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224 | { continue; }
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225 |
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226 | if(!reader && data->action < ACTION_CLIENT_FIRST)
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227 | {
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228 | __free_job_data(cl, data);
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229 | break;
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230 | }
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231 |
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232 | if(!data->action)
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233 | { break; }
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234 |
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235 | struct timeb actualtime;
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236 | cs_ftime(&actualtime);
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237 | int64_t gone = comp_timeb(&actualtime, &data->time);
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238 | if(data != &tmp_data && gone > (int) cfg.ctimeout+1000)
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239 | {
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240 | cs_log_dbg(D_TRACE, "dropping client data for %s time %"PRId64" ms", username(cl), gone);
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241 | __free_job_data(cl, data);
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242 | continue;
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243 | }
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244 |
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245 | if(data != &tmp_data)
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246 | { cl->work_job_data = data; } // Track the current job_data
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247 |
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248 | switch(data->action)
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249 | {
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250 | case ACTION_READER_IDLE:
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251 | reader_do_idle(reader);
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252 | break;
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253 |
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254 | case ACTION_READER_REMOTE:
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255 | s = check_fd_for_data(cl->pfd);
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256 | if(s == 0) // no data, another thread already read from fd?
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257 | { break; }
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258 | if(s < 0)
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259 | {
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260 | if(reader->ph.type == MOD_CONN_TCP)
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261 | { network_tcp_connection_close(reader, "disconnect"); }
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262 | break;
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263 | }
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264 | rc = reader->ph.recv(cl, mbuf, bufsize);
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265 | if(rc < 0)
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266 | {
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267 | if(reader->ph.type == MOD_CONN_TCP)
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268 | { network_tcp_connection_close(reader, "disconnect on receive"); }
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269 | break;
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270 | }
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271 | cl->last = time(NULL); // *********************************** TO BE REPLACE BY CS_FTIME() LATER ****************
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272 | idx = reader->ph.c_recv_chk(cl, dcw, &rc, mbuf, rc);
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273 | if(idx < 0) { break; } // no dcw received
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274 | if(!idx) { idx = cl->last_idx; }
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275 | reader->last_g = time(NULL); // *********************************** TO BE REPLACE BY CS_FTIME() LATER **************** // for reconnect timeout
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276 | for(i = 0, n = 0; i < cfg.max_pending && n == 0; i++)
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277 | {
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278 | if(cl->ecmtask[i].idx == idx)
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279 | {
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280 | cl->pending--;
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281 | casc_check_dcw(reader, i, rc, dcw);
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282 | n++;
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283 | }
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284 | }
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285 | break;
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286 |
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287 | case ACTION_READER_RESET:
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288 | cardreader_do_reset(reader);
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289 | break;
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290 |
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291 | case ACTION_READER_ECM_REQUEST:
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292 | reader_get_ecm(reader, data->ptr);
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293 | break;
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294 |
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295 | case ACTION_READER_EMM:
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296 | reader_do_emm(reader, data->ptr);
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297 | break;
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298 |
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299 | case ACTION_READER_CARDINFO:
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300 | reader_do_card_info(reader);
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301 | break;
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302 |
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303 | case ACTION_READER_POLL_STATUS:
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304 | cardreader_poll_status(reader);
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305 | break;
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306 |
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307 | case ACTION_READER_INIT:
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308 | if(!cl->init_done)
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309 | { reader_init(reader); }
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310 | break;
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311 |
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312 | case ACTION_READER_RESTART:
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313 | cl->kill = 1;
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314 | restart_reader = 1;
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315 | break;
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316 |
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317 | case ACTION_READER_RESET_FAST:
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318 | reader->card_status = CARD_NEED_INIT;
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319 | cardreader_do_reset(reader);
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320 | break;
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321 |
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322 | case ACTION_READER_CHECK_HEALTH:
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323 | cardreader_do_checkhealth(reader);
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324 | break;
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325 |
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326 | case ACTION_READER_CAPMT_NOTIFY:
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327 | if(reader->ph.c_capmt) { reader->ph.c_capmt(cl, data->ptr); }
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328 | break;
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329 |
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330 | case ACTION_CLIENT_UDP:
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331 | n = module->recv(cl, data->ptr, data->len);
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332 | if(n < 0) { break; }
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333 | module->s_handler(cl, data->ptr, n);
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334 | break;
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335 |
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336 | case ACTION_CLIENT_TCP:
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337 | s = check_fd_for_data(cl->pfd);
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338 | if(s == 0) // no data, another thread already read from fd?
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339 | { break; }
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340 | if(s < 0) // system error or fd wants to be closed
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341 | {
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342 | cl->kill = 1; // kill client on next run
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343 | continue;
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344 | }
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345 | n = module->recv(cl, mbuf, bufsize);
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346 | if(n < 0)
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347 | {
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348 | cl->kill = 1; // kill client on next run
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349 | continue;
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350 | }
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351 | module->s_handler(cl, mbuf, n);
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352 | break;
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353 |
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354 | case ACTION_CACHEEX1_DELAY:
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355 | cacheex_mode1_delay(data->ptr);
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356 | break;
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357 |
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358 | case ACTION_CACHEEX_TIMEOUT:
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359 | cacheex_timeout(data->ptr);
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360 | break;
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361 |
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362 | case ACTION_FALLBACK_TIMEOUT:
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363 | fallback_timeout(data->ptr);
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364 | break;
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365 |
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366 | case ACTION_CLIENT_TIMEOUT:
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367 | ecm_timeout(data->ptr);
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368 | break;
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369 |
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370 | case ACTION_ECM_ANSWER_READER:
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371 | chk_dcw(data->ptr);
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372 | break;
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373 |
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374 | case ACTION_ECM_ANSWER_CACHE:
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375 | write_ecm_answer_fromcache(data->ptr);
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376 | break;
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377 |
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378 | case ACTION_CLIENT_INIT:
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379 | if(module->s_init)
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380 | { module->s_init(cl); }
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381 | cl->is_udp = module->type == MOD_CONN_UDP;
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382 | cl->init_done = 1;
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383 | break;
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384 |
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385 | case ACTION_CLIENT_IDLE:
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386 | if(module->s_idle)
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387 | { module->s_idle(cl); }
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388 | else
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389 | {
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390 | cs_log("user %s reached %d sec idle limit.", username(cl), cfg.cmaxidle);
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391 | cl->kill = 1;
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392 | }
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393 | break;
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394 |
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395 | case ACTION_CACHE_PUSH_OUT:
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396 | cacheex_push_out(cl, data->ptr);
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397 | break;
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398 |
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399 | case ACTION_CLIENT_KILL:
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400 | cl->kill = 1;
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401 | break;
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402 |
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403 | case ACTION_CLIENT_SEND_MSG:
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404 | {
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405 | if (config_enabled(MODULE_CCCAM))
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406 | {
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407 | struct s_clientmsg *clientmsg = (struct s_clientmsg *)data->ptr;
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408 | cc_cmd_send(cl, clientmsg->msg, clientmsg->len, clientmsg->cmd);
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409 | }
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410 | break;
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411 | }
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412 |
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413 | case ACTION_PEER_IDLE:
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414 | if(module->s_peer_idle)
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415 | { module->s_peer_idle(cl); }
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416 | break;
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417 | case ACTION_CLIENT_HIDECARDS:
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418 | {
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419 | #ifdef CS_ANTICASC
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420 | if(config_enabled(MODULE_CCCAM))
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421 | {
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422 | int32_t hidetime = (cl->account->acosc_penalty_duration == -1 ? cfg.acosc_penalty_duration : cl->account->acosc_penalty_duration);
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423 | if(hidetime)
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424 | {
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425 | int32_t hide_count;
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426 | int32_t cardsize;
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427 | int32_t ii, uu=0;
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428 | LLIST **sharelist = get_and_lock_sharelist();
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429 | LLIST *sharelist2 = ll_create("hidecards-sharelist");
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430 |
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431 | for(ii = 0; ii < CAID_KEY; ii++)
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432 | {
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433 | if(sharelist[ii])
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434 | {
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435 | ll_putall(sharelist2, sharelist[ii]);
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436 | }
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437 | }
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438 |
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439 | unlock_sharelist();
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440 |
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441 | struct cc_card **cardarray = get_sorted_card_copy(sharelist2, 0, &cardsize);
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442 | ll_destroy(&sharelist2);
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443 |
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444 | for(ii = 0; ii < cardsize; ii++)
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445 | {
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446 | if(hidecards_card_valid_for_client(cl, cardarray[ii]))
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447 | {
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448 | if (cardarray[ii]->id)
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449 | {
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450 | hide_count = hide_card_to_client(cardarray[ii], cl);
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451 | if(hide_count)
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452 | {
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453 | cs_log_dbg(D_TRACE, "Hiding card_%d caid=%04x remoteid=%08x from %s for %d %s",
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454 | uu, cardarray[ii]->caid, cardarray[ii]->remote_id, username(cl), hidetime, hidetime>1 ? "secconds" : "seccond");
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455 | uu += 1;
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456 | }
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457 | }
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458 | }
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459 | }
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460 |
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461 | cs_sleepms(hidetime * 1000);
|
---|
462 | uu = 0;
|
---|
463 |
|
---|
464 | for(ii = 0; ii < cardsize; ii++)
|
---|
465 | {
|
---|
466 | if(hidecards_card_valid_for_client(cl, cardarray[ii]))
|
---|
467 | {
|
---|
468 | if (cardarray[ii]->id)
|
---|
469 | {
|
---|
470 | hide_count = unhide_card_to_client(cardarray[ii], cl);
|
---|
471 | if(hide_count)
|
---|
472 | {
|
---|
473 | cs_log_dbg(D_TRACE, "Unhiding card_%d caid=%04x remoteid=%08x for %s",
|
---|
474 | uu, cardarray[ii]->caid, cardarray[ii]->remote_id, username(cl));
|
---|
475 | uu += 1;
|
---|
476 | }
|
---|
477 | }
|
---|
478 | }
|
---|
479 | }
|
---|
480 |
|
---|
481 | NULLFREE(cardarray);
|
---|
482 | }
|
---|
483 | }
|
---|
484 | #endif
|
---|
485 | break;
|
---|
486 | } // case ACTION_CLIENT_HIDECARDS
|
---|
487 |
|
---|
488 | } // switch
|
---|
489 |
|
---|
490 | __free_job_data(cl, data);
|
---|
491 | }
|
---|
492 |
|
---|
493 | if(thread_pipe[1] && (mbuf[0] != 0x00))
|
---|
494 | {
|
---|
495 | cs_log_dump_dbg(D_TRACE, mbuf, 1, "[OSCAM-WORK] Write to pipe:");
|
---|
496 | if(write(thread_pipe[1], mbuf, 1) == -1) // wakeup client check
|
---|
497 | {
|
---|
498 | cs_log_dbg(D_TRACE, "[OSCAM-WORK] Writing to pipe failed (errno=%d %s)", errno, strerror(errno));
|
---|
499 | }
|
---|
500 | }
|
---|
501 |
|
---|
502 | // Check for some race condition where while we ended, another thread added a job
|
---|
503 | SAFE_MUTEX_LOCK(&cl->thread_lock);
|
---|
504 | if(cl->joblist && ll_count(cl->joblist) > 0)
|
---|
505 | {
|
---|
506 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
|
---|
507 | continue;
|
---|
508 | }
|
---|
509 | else
|
---|
510 | {
|
---|
511 | cl->thread_active = 0;
|
---|
512 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
|
---|
513 | break;
|
---|
514 | }
|
---|
515 | }
|
---|
516 | cl->thread_active = 0;
|
---|
517 | cl->work_mbuf = NULL; // Prevent free_client from freeing mbuf (->work_mbuf)
|
---|
518 | NULLFREE(mbuf);
|
---|
519 | pthread_exit(NULL);
|
---|
520 | return NULL;
|
---|
521 | }
|
---|
522 |
|
---|
523 | /**
|
---|
524 | * adds a job to the job queue
|
---|
525 | * if ptr should be free() after use, set len to the size
|
---|
526 | * else set size to 0
|
---|
527 | **/
|
---|
528 | int32_t add_job(struct s_client *cl, enum actions action, void *ptr, int32_t len)
|
---|
529 | {
|
---|
530 | if(!cl || cl->kill)
|
---|
531 | {
|
---|
532 | if(!cl)
|
---|
533 | { cs_log("WARNING: add_job failed. Client killed!"); } // Ignore jobs for killed clients
|
---|
534 | if(len && ptr)
|
---|
535 | { NULLFREE(ptr); }
|
---|
536 | return 0;
|
---|
537 | }
|
---|
538 |
|
---|
539 | if(action == ACTION_CACHE_PUSH_OUT && cacheex_check_queue_length(cl))
|
---|
540 | {
|
---|
541 | if(len && ptr)
|
---|
542 | { NULLFREE(ptr); }
|
---|
543 | return 0;
|
---|
544 | }
|
---|
545 |
|
---|
546 | struct job_data *data;
|
---|
547 | if(!cs_malloc(&data, sizeof(struct job_data)))
|
---|
548 | {
|
---|
549 | if(len && ptr)
|
---|
550 | { NULLFREE(ptr); }
|
---|
551 | return 0;
|
---|
552 | }
|
---|
553 |
|
---|
554 | data->action = action;
|
---|
555 | data->ptr = ptr;
|
---|
556 | data->cl = cl;
|
---|
557 | data->len = len;
|
---|
558 | cs_ftime(&data->time);
|
---|
559 |
|
---|
560 | SAFE_MUTEX_LOCK(&cl->thread_lock);
|
---|
561 | if(cl && !cl->kill && cl->thread_active)
|
---|
562 | {
|
---|
563 | if(!cl->joblist)
|
---|
564 | { cl->joblist = ll_create("joblist"); }
|
---|
565 | ll_append(cl->joblist, data);
|
---|
566 | if(cl->thread_active == 2)
|
---|
567 | { pthread_kill(cl->thread, OSCAM_SIGNAL_WAKEUP); }
|
---|
568 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
|
---|
569 | cs_log_dbg(D_TRACE, "add %s job action %d queue length %d %s",
|
---|
570 | action > ACTION_CLIENT_FIRST ? "client" : "reader", action,
|
---|
571 | ll_count(cl->joblist), username(cl));
|
---|
572 | return 1;
|
---|
573 | }
|
---|
574 |
|
---|
575 | /* pcsc doesn't like this; segfaults on x86, x86_64 */
|
---|
576 | int8_t modify_stacksize = 0;
|
---|
577 | struct s_reader *rdr = cl->reader;
|
---|
578 | if(cl->typ != 'r' || !rdr || rdr->typ != R_PCSC)
|
---|
579 | { modify_stacksize = 1; }
|
---|
580 |
|
---|
581 | if(action != ACTION_READER_CHECK_HEALTH)
|
---|
582 | {
|
---|
583 | cs_log_dbg(D_TRACE, "start %s thread action %d",
|
---|
584 | action > ACTION_CLIENT_FIRST ? "client" : "reader", action);
|
---|
585 | }
|
---|
586 |
|
---|
587 | int32_t ret = start_thread("client work", work_thread, (void *)data, &cl->thread, 1, modify_stacksize);
|
---|
588 | if(ret)
|
---|
589 | {
|
---|
590 | cs_log("ERROR: can't create thread for %s (errno=%d %s)",
|
---|
591 | action > ACTION_CLIENT_FIRST ? "client" : "reader", ret, strerror(ret));
|
---|
592 | free_job_data(data);
|
---|
593 | }
|
---|
594 |
|
---|
595 | cl->thread_active = 1;
|
---|
596 | SAFE_MUTEX_UNLOCK(&cl->thread_lock);
|
---|
597 | return 1;
|
---|
598 | }
|
---|