1 | /* $Id: fsd_session.c 28 2011-10-29 21:31:46Z mmamonski $ */ |
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2 | /* |
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3 | * PSNC DRMAA 2.0 utilities library |
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4 | * Copyright (C) 2012 Poznan Supercomputing and Networking Center |
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5 | * |
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6 | * This program is free software: you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation, either version 3 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 | */ |
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19 | |
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20 | #include <ctype.h> |
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21 | #include <stdlib.h> |
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22 | #include <string.h> |
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23 | |
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24 | #include <drmaa_utils/conf.h> |
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25 | #include <drmaa_utils/drmaa.h> |
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26 | #include <drmaa_utils/iter.h> |
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27 | #include <drmaa_utils/job.h> |
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28 | #include <drmaa_utils/session.h> |
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29 | |
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30 | #ifndef lint |
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31 | static char rcsid[] |
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32 | # ifdef __GNUC__ |
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33 | __attribute__ ((unused)) |
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34 | # endif |
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35 | = "$Id: fsd_session.c 28 2011-10-29 21:31:46Z mmamonski $"; |
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36 | #endif |
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37 | |
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38 | |
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39 | static void |
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40 | fsd_drmaa_session_release( fsd_drmaa_session_t *self ); |
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41 | |
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42 | static void |
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43 | fsd_drmaa_session_destroy( |
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44 | fsd_drmaa_session_t *self ); |
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45 | |
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46 | static void |
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47 | fsd_drmaa_session_destroy_nowait( fsd_drmaa_session_t *self ); |
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48 | |
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49 | static char* |
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50 | fsd_drmaa_session_run_job( |
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51 | fsd_drmaa_session_t *self, |
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52 | const fsd_template_t *jt |
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53 | ); |
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54 | |
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55 | static fsd_iter_t* |
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56 | fsd_drmaa_session_run_bulk( |
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57 | fsd_drmaa_session_t *self, |
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58 | const fsd_template_t *jt, |
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59 | int start, int end, int incr |
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60 | ); |
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61 | |
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62 | static void |
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63 | fsd_drmaa_session_control_job( |
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64 | fsd_drmaa_session_t *self, |
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65 | const char *job_id, int action |
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66 | ); |
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67 | |
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68 | static void |
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69 | fsd_drmaa_session_job_ps( |
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70 | fsd_drmaa_session_t *self, |
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71 | const char *job_id, int *remote_ps |
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72 | ); |
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73 | |
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74 | static void |
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75 | fsd_drmaa_session_synchronize( |
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76 | fsd_drmaa_session_t *self, |
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77 | const char **input_job_ids, const struct timespec *timeout, |
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78 | bool dispose |
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79 | ); |
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80 | |
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81 | static char* |
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82 | fsd_drmaa_session_wait( |
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83 | fsd_drmaa_session_t *self, |
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84 | const char *job_id, const struct timespec *timeout, |
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85 | int *status, fsd_iter_t **rusage |
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86 | ); |
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87 | |
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88 | static fsd_job_t * |
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89 | fsd_drmaa_session_new_job( |
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90 | fsd_drmaa_session_t *self, |
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91 | const char *job_id |
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92 | ); |
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93 | |
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94 | static char* |
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95 | fsd_drmaa_session_run_impl( |
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96 | fsd_drmaa_session_t *self, |
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97 | const fsd_template_t *jt, int bulk_incr |
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98 | ); |
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99 | |
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100 | static void |
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101 | fsd_drmaa_session_wait_for_single_job( |
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102 | fsd_drmaa_session_t *self, |
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103 | const char *job_id, const struct timespec *timeout, |
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104 | int *status, fsd_iter_t **rusage, bool dispose |
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105 | ); |
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106 | |
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107 | static char* |
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108 | fsd_drmaa_session_wait_for_any_job( |
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109 | fsd_drmaa_session_t *self, |
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110 | const struct timespec *timeout, |
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111 | int *status, fsd_iter_t **rusage, |
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112 | bool dispose |
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113 | ); |
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114 | |
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115 | static void |
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116 | fsd_drmaa_session_wait_for_job_status_change( |
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117 | fsd_drmaa_session_t *self, |
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118 | fsd_cond_t *wait_condition, |
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119 | fsd_mutex_t *mutex, |
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120 | const struct timespec *timeout |
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121 | ); |
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122 | |
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123 | static void* |
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124 | fsd_drmaa_session_wait_thread( fsd_drmaa_session_t *self ); |
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125 | |
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126 | static void |
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127 | fsd_drmaa_session_stop_wait_thread( fsd_drmaa_session_t *self ); |
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128 | |
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129 | static void |
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130 | fsd_drmaa_session_update_all_jobs_status( fsd_drmaa_session_t *self ); |
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131 | |
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132 | static char** |
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133 | fsd_drmaa_session_get_submited_job_ids( |
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134 | fsd_drmaa_session_t *self |
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135 | ); |
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136 | |
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137 | static fsd_job_t* |
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138 | fsd_drmaa_session_get_job( |
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139 | fsd_drmaa_session_t *self, const char *job_id |
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140 | ); |
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141 | |
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142 | static void |
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143 | fsd_drmaa_session_load_configuration( |
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144 | fsd_drmaa_session_t *self, const char *basename |
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145 | ); |
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146 | |
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147 | static void |
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148 | fsd_drmaa_session_read_configuration( |
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149 | fsd_drmaa_session_t *self, |
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150 | const char *filename, bool must_exist, |
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151 | const char *configuration, size_t config_len |
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152 | ); |
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153 | |
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154 | static void |
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155 | fsd_drmaa_session_apply_configuration( |
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156 | fsd_drmaa_session_t *self |
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157 | ); |
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158 | |
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159 | |
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160 | |
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161 | fsd_drmaa_session_t * |
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162 | fsd_drmaa_session_new( const char *contact ) |
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163 | { |
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164 | fsd_drmaa_session_t *volatile self = NULL; |
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165 | |
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166 | fsd_log_enter(( "(%s)", contact )); |
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167 | TRY |
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168 | { |
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169 | fsd_malloc( self, fsd_drmaa_session_t ); |
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170 | |
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171 | self->release = fsd_drmaa_session_release; |
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172 | self->destroy = fsd_drmaa_session_destroy; |
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173 | self->destroy_nowait = fsd_drmaa_session_destroy_nowait; |
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174 | self->run_job = fsd_drmaa_session_run_job; |
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175 | self->run_bulk = fsd_drmaa_session_run_bulk; |
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176 | self->control_job = fsd_drmaa_session_control_job; |
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177 | self->job_ps = fsd_drmaa_session_job_ps; |
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178 | self->synchronize = fsd_drmaa_session_synchronize; |
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179 | self->wait = fsd_drmaa_session_wait; |
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180 | self->new_job = fsd_drmaa_session_new_job; |
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181 | self->run_impl = fsd_drmaa_session_run_impl; |
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182 | self->wait_for_single_job = fsd_drmaa_session_wait_for_single_job; |
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183 | self->wait_for_any_job = fsd_drmaa_session_wait_for_any_job; |
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184 | self->wait_for_job_status_change = |
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185 | fsd_drmaa_session_wait_for_job_status_change; |
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186 | self->wait_thread = fsd_drmaa_session_wait_thread; |
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187 | self->stop_wait_thread = fsd_drmaa_session_stop_wait_thread; |
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188 | self->update_all_jobs_status = fsd_drmaa_session_update_all_jobs_status; |
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189 | self->get_submited_job_ids = fsd_drmaa_session_get_submited_job_ids; |
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190 | self->get_job = fsd_drmaa_session_get_job; |
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191 | self->load_configuration = fsd_drmaa_session_load_configuration; |
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192 | self->read_configuration = fsd_drmaa_session_read_configuration; |
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193 | self->apply_configuration = fsd_drmaa_session_apply_configuration; |
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194 | |
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195 | self->ref_cnt = 1; |
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196 | self->destroy_requested = false; |
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197 | self->contact = NULL; |
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198 | self->jobs = NULL; |
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199 | self->configuration = NULL; |
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200 | self->pool_delay.tv_sec = 10; |
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201 | self->pool_delay.tv_nsec = 0; |
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202 | self->cache_job_state = 0; |
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203 | self->enable_wait_thread = false; |
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204 | self->job_categories = NULL; |
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205 | self->missing_jobs = FSD_REVEAL_MISSING_JOBS; |
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206 | self->wait_thread_started = false; |
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207 | self->wait_thread_run_flag = false; |
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208 | |
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209 | fsd_mutex_init( &self->mutex ); |
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210 | fsd_cond_init( &self->wait_condition ); |
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211 | fsd_cond_init( &self->destroy_condition ); |
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212 | fsd_mutex_init( &self->drm_connection_mutex ); |
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213 | self->jobs = fsd_job_set_new(); |
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214 | self->contact = fsd_strdup( contact ); |
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215 | |
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216 | } |
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217 | EXCEPT_DEFAULT |
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218 | { |
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219 | if( self != NULL ) |
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220 | self->destroy( self ); |
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221 | fsd_exc_reraise(); |
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222 | } |
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223 | END_TRY |
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224 | |
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225 | return self; |
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226 | } |
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227 | |
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228 | |
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229 | void |
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230 | fsd_drmaa_session_release( fsd_drmaa_session_t *self ) |
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231 | { |
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232 | fsd_mutex_lock( &self->mutex ); |
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233 | self->ref_cnt--; |
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234 | fsd_assert( self->ref_cnt > 0 ); |
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235 | if( self->ref_cnt == 1 ) |
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236 | fsd_cond_broadcast( &self->destroy_condition ); |
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237 | fsd_mutex_unlock( &self->mutex ); |
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238 | } |
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239 | |
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240 | |
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241 | void |
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242 | fsd_drmaa_session_destroy( fsd_drmaa_session_t *self ) |
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243 | { |
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244 | bool already_destroying = false; |
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245 | |
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246 | fsd_log_enter(( "" )); |
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247 | fsd_mutex_lock( &self->mutex ); |
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248 | TRY |
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249 | { |
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250 | if( self->destroy_requested ) |
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251 | already_destroying = true; |
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252 | else |
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253 | { |
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254 | self->destroy_requested = true; |
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255 | fsd_cond_broadcast( &self->wait_condition ); |
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256 | } |
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257 | } |
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258 | FINALLY |
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259 | { fsd_mutex_unlock( &self->mutex ); } |
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260 | END_TRY |
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261 | |
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262 | if( already_destroying ) |
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263 | { /* XXX: actually it can not happen in current implementation |
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264 | when using DRMAA API */ |
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265 | self->release( self ); |
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266 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_NO_ACTIVE_SESSION ); |
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267 | } |
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268 | |
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269 | self->jobs->signal_all( self->jobs ); |
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270 | |
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271 | fsd_mutex_lock( &self->mutex ); |
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272 | TRY |
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273 | { |
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274 | while( self->ref_cnt > 1 ) |
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275 | fsd_cond_wait( &self->destroy_condition, &self->mutex ); |
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276 | fsd_log_debug(("started = %d run_flag = %d", self->wait_thread_started, self->wait_thread_run_flag )); |
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277 | if( self->wait_thread_started ) |
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278 | self->stop_wait_thread( self ); |
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279 | } |
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280 | FINALLY |
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281 | { fsd_mutex_unlock( &self->mutex ); } |
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282 | END_TRY |
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283 | |
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284 | self->destroy_nowait( self ); |
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285 | fsd_log_return(( "" )); |
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286 | } |
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287 | |
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288 | |
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289 | void |
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290 | fsd_drmaa_session_destroy_nowait( fsd_drmaa_session_t *self ) |
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291 | { |
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292 | fsd_log_enter(( "" )); |
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293 | fsd_conf_dict_destroy( self->configuration ); |
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294 | fsd_free( self->contact ); |
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295 | |
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296 | if( self->jobs ) |
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297 | self->jobs->destroy( self->jobs ); |
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298 | |
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299 | fsd_mutex_destroy( &self->mutex ); |
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300 | fsd_cond_destroy( &self->wait_condition ); |
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301 | fsd_cond_destroy( &self->destroy_condition ); |
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302 | fsd_mutex_destroy( &self->drm_connection_mutex ); |
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303 | |
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304 | fsd_free( self ); |
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305 | fsd_log_return(( "" )); |
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306 | } |
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307 | |
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308 | |
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309 | char * |
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310 | fsd_drmaa_session_run_job( |
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311 | fsd_drmaa_session_t *self, |
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312 | const fsd_template_t *jt ) |
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313 | { |
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314 | return self->run_impl( self, jt, -1 ); |
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315 | } |
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316 | |
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317 | |
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318 | fsd_iter_t * |
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319 | fsd_drmaa_session_run_bulk( |
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320 | fsd_drmaa_session_t *self, |
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321 | const fsd_template_t *jt, |
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322 | int start, int end, int incr ) |
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323 | { |
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324 | volatile unsigned n_jobs; |
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325 | char **volatile result = NULL; |
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326 | |
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327 | if( incr > 0 ) |
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328 | n_jobs = (end-start) / incr + 1; |
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329 | else |
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330 | n_jobs = (start-end) / -incr + 1; |
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331 | |
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332 | TRY |
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333 | { |
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334 | unsigned i; |
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335 | int idx; |
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336 | fsd_calloc( result, n_jobs + 1, char* ); |
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337 | for( i=0, idx=start; i < n_jobs; i++, idx+=incr ) |
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338 | result[i] = self->run_impl( self, jt, idx ); |
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339 | } |
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340 | EXCEPT_DEFAULT |
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341 | { |
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342 | if( result ) |
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343 | fsd_free_vector( result ); |
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344 | fsd_exc_reraise(); |
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345 | } |
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346 | END_TRY |
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347 | |
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348 | return fsd_iter_new( result, -1 ); |
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349 | } |
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350 | |
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351 | |
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352 | void |
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353 | fsd_drmaa_session_control_job( |
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354 | fsd_drmaa_session_t *self, |
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355 | const char *job_id, int action ) |
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356 | { |
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357 | char **job_ids = NULL; |
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358 | char **i; |
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359 | |
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360 | TRY |
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361 | { |
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362 | if( !strcmp( job_id, DRMAA_JOB_IDS_SESSION_ALL ) ) |
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363 | job_ids = self->get_submited_job_ids( self ); |
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364 | else |
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365 | { |
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366 | fsd_calloc( job_ids, 2, char* ); |
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367 | job_ids[0] = fsd_strdup( job_id ); |
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368 | } |
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369 | |
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370 | for( i = job_ids; *i != NULL; i++ ) |
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371 | { |
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372 | fsd_job_t *job = NULL; |
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373 | TRY |
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374 | { |
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375 | job = self->get_job( self, *i ); |
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376 | if( job == NULL ) |
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377 | { |
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378 | if( !strcmp( job_id, DRMAA_JOB_IDS_SESSION_ALL ) ) |
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379 | { /* job was just removed from session */ } |
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380 | else |
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381 | job = self->new_job( self, *i ); |
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382 | } |
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383 | if( job ) |
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384 | job->control( job, action ); |
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385 | } |
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386 | FINALLY |
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387 | { |
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388 | if ( job ) |
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389 | job->release( job ); |
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390 | } |
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391 | END_TRY |
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392 | } |
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393 | } |
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394 | FINALLY |
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395 | { |
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396 | fsd_free_vector( job_ids ); |
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397 | } |
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398 | END_TRY |
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399 | } |
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400 | |
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401 | |
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402 | void |
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403 | fsd_drmaa_session_job_ps( |
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404 | fsd_drmaa_session_t *self, const char *job_id, int *remote_ps ) |
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405 | { |
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406 | fsd_job_t *volatile job = NULL; |
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407 | TRY |
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408 | { |
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409 | job = self->get_job( self, job_id ); |
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410 | if( job == NULL ) |
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411 | { |
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412 | fsd_log_info(( "job_ps: recreating job object: %s", job_id )); |
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413 | job = self->new_job( self, job_id ); |
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414 | } |
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415 | fsd_log_debug((" job->last_update_time = %u", (unsigned int)job->last_update_time)); |
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416 | if( time(NULL) - job->last_update_time >= self->cache_job_state |
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417 | || job->state == DRMAA_PS_UNDETERMINED ) |
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418 | { |
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419 | fsd_log_debug(("updating status of job: %s ", job_id)); |
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420 | job->update_status( job ); |
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421 | job->last_update_time = time(NULL); |
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422 | } |
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423 | *remote_ps = job->state; |
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424 | } |
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425 | FINALLY |
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426 | { |
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427 | if( job ) |
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428 | job->release( job ); |
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429 | } |
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430 | END_TRY |
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431 | } |
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432 | |
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433 | |
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434 | void |
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435 | fsd_drmaa_session_synchronize( |
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436 | fsd_drmaa_session_t *self, |
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437 | const char **input_job_ids, const struct timespec *timeout, |
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438 | bool dispose |
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439 | ) |
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440 | { |
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441 | volatile bool wait_for_all = false; |
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442 | char **volatile job_ids_buf = NULL; |
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443 | const char **job_ids = NULL; |
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444 | const char **i; |
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445 | |
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446 | fsd_log_enter(( "(job_ids={...}, timeout=..., dispose=%d)", |
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447 | (int)dispose )); |
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448 | |
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449 | if( input_job_ids == NULL ) |
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450 | fsd_exc_raise_code( FSD_ERRNO_INVALID_ARGUMENT ); |
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451 | |
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452 | TRY |
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453 | { |
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454 | for( i = input_job_ids; *i != NULL; i++ ) |
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455 | if( !strcmp(*i, DRMAA_JOB_IDS_SESSION_ALL) ) |
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456 | wait_for_all = true; |
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457 | |
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458 | if( wait_for_all ) |
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459 | { |
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460 | job_ids_buf = self->get_submited_job_ids( self ); |
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461 | job_ids = (const char**)job_ids_buf; |
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462 | } |
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463 | else |
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464 | job_ids = input_job_ids; |
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465 | |
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466 | for( i = job_ids; *i != NULL; i++ ) |
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467 | TRY |
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468 | { |
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469 | self->wait_for_single_job( self, *i, timeout, NULL, NULL, dispose ); |
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470 | } |
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471 | EXCEPT( FSD_DRMAA_ERRNO_INVALID_JOB ) |
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472 | { /* job was ripped by another thread */ } |
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473 | END_TRY |
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474 | } |
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475 | FINALLY |
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476 | { |
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477 | fsd_free_vector( job_ids_buf ); |
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478 | } |
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479 | END_TRY |
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480 | } |
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481 | |
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482 | |
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483 | char * |
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484 | fsd_drmaa_session_wait( |
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485 | fsd_drmaa_session_t *self, |
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486 | const char *job_id, const struct timespec *timeout, |
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487 | int *stat, fsd_iter_t **rusage |
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488 | ) |
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489 | { |
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490 | if( 0==strcmp(job_id, DRMAA_JOB_IDS_SESSION_ANY) ) |
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491 | return self->wait_for_any_job( self, timeout, stat, rusage, true ); |
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492 | else |
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493 | { |
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494 | self->wait_for_single_job( self, job_id, timeout, stat, rusage, true ); |
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495 | return fsd_strdup( job_id ); |
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496 | } |
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497 | } |
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498 | |
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499 | |
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500 | fsd_job_t * |
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501 | fsd_drmaa_session_new_job( fsd_drmaa_session_t *self, const char *job_id ) |
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502 | { |
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503 | fsd_job_t *job; |
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504 | job = fsd_job_new( fsd_strdup(job_id) ); |
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505 | job->session = self; |
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506 | return job; |
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507 | } |
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508 | |
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509 | |
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510 | char * |
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511 | fsd_drmaa_session_run_impl( |
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512 | fsd_drmaa_session_t *self, |
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513 | const fsd_template_t *jt, int bulk_incr ) |
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514 | { |
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515 | fsd_exc_raise_code( FSD_ERRNO_NOT_IMPLEMENTED ); |
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516 | } |
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517 | |
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518 | |
---|
519 | void |
---|
520 | fsd_drmaa_session_wait_for_single_job( |
---|
521 | fsd_drmaa_session_t *self, |
---|
522 | const char *job_id, const struct timespec *timeout, |
---|
523 | int *status, fsd_iter_t **rusage, |
---|
524 | bool dispose |
---|
525 | ) |
---|
526 | { |
---|
527 | fsd_job_t *volatile job = NULL; |
---|
528 | volatile bool locked = false; |
---|
529 | |
---|
530 | fsd_log_enter(( "(%s)", job_id )); |
---|
531 | TRY |
---|
532 | { |
---|
533 | job = self->get_job( self, job_id ); |
---|
534 | if( job == NULL ) |
---|
535 | fsd_exc_raise_fmt( FSD_DRMAA_ERRNO_INVALID_JOB, |
---|
536 | "Job '%s' not found in DRMS queue", job_id ); |
---|
537 | job->update_status( job ); |
---|
538 | while( !self->destroy_requested && job->state < DRMAA_PS_DONE ) |
---|
539 | { |
---|
540 | bool signaled = true; |
---|
541 | fsd_log_debug(( "fsd_drmaa_session_wait_for_single_job: " |
---|
542 | "waiting for %s to terminate", job_id )); |
---|
543 | if( self->enable_wait_thread ) |
---|
544 | { |
---|
545 | if( timeout ) |
---|
546 | signaled = fsd_cond_timedwait( |
---|
547 | &job->status_cond, &job->mutex, timeout ); |
---|
548 | else |
---|
549 | { |
---|
550 | fsd_cond_wait( &job->status_cond, &job->mutex ); |
---|
551 | } |
---|
552 | if( !signaled ) |
---|
553 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
554 | } |
---|
555 | else |
---|
556 | { |
---|
557 | self->wait_for_job_status_change( |
---|
558 | self, &job->status_cond, &job->mutex, timeout ); |
---|
559 | } |
---|
560 | |
---|
561 | fsd_log_debug(( "fsd_drmaa_session_wait_for_single_job: woken up" )); |
---|
562 | if( !self->enable_wait_thread ) |
---|
563 | job->update_status( job ); |
---|
564 | } |
---|
565 | |
---|
566 | if( self->destroy_requested ) |
---|
567 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
568 | |
---|
569 | job->get_termination_status( job, status, rusage ); |
---|
570 | if( dispose ) |
---|
571 | { |
---|
572 | job->release( job ); /*release mutex in order to ensure proper order of locking: first job_set mutex then job mutex */ |
---|
573 | |
---|
574 | locked = fsd_mutex_lock( &self->mutex ); |
---|
575 | |
---|
576 | job = self->get_job( self, job_id ); |
---|
577 | if (job != NULL) |
---|
578 | { |
---|
579 | self->jobs->remove( self->jobs, job ); |
---|
580 | job->flags |= FSD_JOB_DISPOSED; |
---|
581 | } |
---|
582 | else |
---|
583 | { |
---|
584 | fsd_log_error(("Some other thread has already reaped job %s", job_id )); |
---|
585 | } |
---|
586 | |
---|
587 | locked = fsd_mutex_unlock( &self->mutex ); |
---|
588 | } |
---|
589 | } |
---|
590 | FINALLY |
---|
591 | { |
---|
592 | if ( job ) |
---|
593 | job->release( job ); |
---|
594 | if ( locked ) |
---|
595 | fsd_mutex_unlock( &self->mutex ); |
---|
596 | } |
---|
597 | END_TRY |
---|
598 | fsd_log_return(("")); |
---|
599 | } |
---|
600 | |
---|
601 | |
---|
602 | char * |
---|
603 | fsd_drmaa_session_wait_for_any_job( |
---|
604 | fsd_drmaa_session_t *self, |
---|
605 | const struct timespec *timeout, |
---|
606 | int *status, fsd_iter_t **rusage, |
---|
607 | bool dispose |
---|
608 | ) |
---|
609 | { |
---|
610 | fsd_job_set_t *set = self->jobs; |
---|
611 | fsd_job_t *volatile job = NULL; |
---|
612 | char *volatile job_id = NULL; |
---|
613 | volatile bool locked = false; |
---|
614 | |
---|
615 | fsd_log_enter(( "" )); |
---|
616 | |
---|
617 | TRY |
---|
618 | { |
---|
619 | while( job == NULL ) |
---|
620 | { |
---|
621 | bool signaled = true; |
---|
622 | |
---|
623 | if( self->destroy_requested ) |
---|
624 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_NO_ACTIVE_SESSION ); |
---|
625 | |
---|
626 | if( !self->enable_wait_thread ) |
---|
627 | self->update_all_jobs_status( self ); |
---|
628 | |
---|
629 | locked = fsd_mutex_lock( &self->mutex ); |
---|
630 | if( set->empty( set ) ) |
---|
631 | fsd_exc_raise_msg( FSD_DRMAA_ERRNO_INVALID_JOB, |
---|
632 | "No job found to be waited for" ); |
---|
633 | |
---|
634 | if( (job = set->find_terminated( set )) != NULL ) |
---|
635 | break; |
---|
636 | |
---|
637 | if( self->destroy_requested ) |
---|
638 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_NO_ACTIVE_SESSION ); |
---|
639 | if( self->enable_wait_thread ) |
---|
640 | { |
---|
641 | fsd_log_debug(( "wait_for_any_job: waiting for wait thread" )); |
---|
642 | if( timeout ) |
---|
643 | signaled = fsd_cond_timedwait( |
---|
644 | &self->wait_condition, &self->mutex, timeout ); |
---|
645 | else |
---|
646 | fsd_cond_wait( &self->wait_condition, &self->mutex ); |
---|
647 | } |
---|
648 | else |
---|
649 | { |
---|
650 | fsd_log_debug(( "wait_for_any_job: waiting for next check" )); |
---|
651 | self->wait_for_job_status_change( self, |
---|
652 | &self->wait_condition, &self->mutex, timeout ); |
---|
653 | } |
---|
654 | locked = fsd_mutex_unlock( &self->mutex ); |
---|
655 | fsd_log_debug(( |
---|
656 | "wait_for_any_job: woken up; signaled=%d", signaled )); |
---|
657 | |
---|
658 | if( !signaled ) |
---|
659 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
660 | |
---|
661 | } |
---|
662 | fsd_log_debug(( "wait_for_any_job: waiting finished" )); |
---|
663 | |
---|
664 | job_id = fsd_strdup( job->job_id ); |
---|
665 | job->get_termination_status( job, status, rusage ); |
---|
666 | } |
---|
667 | EXCEPT_DEFAULT |
---|
668 | { |
---|
669 | if( job_id ) |
---|
670 | fsd_free( job_id ); |
---|
671 | fsd_exc_reraise(); |
---|
672 | } |
---|
673 | FINALLY |
---|
674 | { |
---|
675 | if( job ) |
---|
676 | { |
---|
677 | if( fsd_exc_get() == NULL && dispose ) |
---|
678 | { |
---|
679 | set->remove( set, job ); |
---|
680 | job->flags |= FSD_JOB_DISPOSED; |
---|
681 | } |
---|
682 | job->release( job ); |
---|
683 | } |
---|
684 | if( locked ) |
---|
685 | fsd_mutex_unlock( &self->mutex ); |
---|
686 | } |
---|
687 | END_TRY |
---|
688 | |
---|
689 | fsd_log_return(( " =%s", job_id )); |
---|
690 | return job_id; |
---|
691 | } |
---|
692 | |
---|
693 | |
---|
694 | void |
---|
695 | fsd_drmaa_session_wait_for_job_status_change( |
---|
696 | fsd_drmaa_session_t *self, |
---|
697 | fsd_cond_t *wait_condition, |
---|
698 | fsd_mutex_t *mutex, |
---|
699 | const struct timespec *timeout |
---|
700 | ) |
---|
701 | { |
---|
702 | struct timespec ts, *next_check = &ts; |
---|
703 | bool status_changed; |
---|
704 | |
---|
705 | if( timeout ) |
---|
706 | fsd_log_enter(( |
---|
707 | "(timeout=%ld.%09ld)", |
---|
708 | timeout->tv_sec, timeout->tv_nsec )); |
---|
709 | else |
---|
710 | fsd_log_enter(( "(timeout=(null))" )); |
---|
711 | fsd_get_time( next_check ); |
---|
712 | fsd_ts_add( next_check, &self->pool_delay ); |
---|
713 | if( timeout && fsd_ts_cmp( timeout, next_check ) < 0 ) |
---|
714 | next_check = (struct timespec*)timeout; |
---|
715 | fsd_log_debug(( "wait_for_job_status_change: waiting untill %ld.%09ld", |
---|
716 | next_check->tv_sec, next_check->tv_nsec )); |
---|
717 | status_changed = fsd_cond_timedwait(wait_condition, mutex,(const struct timespec *) next_check ); |
---|
718 | if( !status_changed && next_check == timeout ) |
---|
719 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
720 | |
---|
721 | fsd_log_return(( ": next_check=%ld.%09ld, status_changed=%d", |
---|
722 | next_check->tv_sec, next_check->tv_nsec, |
---|
723 | (int)status_changed |
---|
724 | )); |
---|
725 | } |
---|
726 | |
---|
727 | |
---|
728 | void * |
---|
729 | fsd_drmaa_session_wait_thread( fsd_drmaa_session_t *self ) |
---|
730 | { |
---|
731 | struct timespec ts, *next_check = &ts; |
---|
732 | bool volatile locked = false; |
---|
733 | |
---|
734 | fsd_log_enter(( "" )); |
---|
735 | locked = fsd_mutex_lock( &self->mutex ); |
---|
736 | TRY |
---|
737 | { |
---|
738 | while( self->wait_thread_run_flag ) |
---|
739 | TRY |
---|
740 | { |
---|
741 | fsd_log_debug(( "wait thread: next iteration" )); |
---|
742 | self->update_all_jobs_status( self ); |
---|
743 | fsd_cond_broadcast( &self->wait_condition ); |
---|
744 | |
---|
745 | fsd_get_time( next_check ); |
---|
746 | fsd_ts_add( next_check, &self->pool_delay ); |
---|
747 | fsd_cond_timedwait( &self->wait_condition, &self->mutex, (const struct timespec *) next_check ); |
---|
748 | |
---|
749 | } |
---|
750 | EXCEPT_DEFAULT |
---|
751 | { |
---|
752 | const fsd_exc_t *e = fsd_exc_get(); |
---|
753 | fsd_log_error(( "wait thread: <%d:%s>", e->code(e), e->message(e) )); |
---|
754 | } |
---|
755 | END_TRY |
---|
756 | } |
---|
757 | FINALLY |
---|
758 | { |
---|
759 | if (locked) |
---|
760 | fsd_mutex_unlock( &self->mutex ); |
---|
761 | } |
---|
762 | END_TRY |
---|
763 | |
---|
764 | fsd_log_return(( " =NULL" )); |
---|
765 | return NULL; |
---|
766 | } |
---|
767 | |
---|
768 | |
---|
769 | void |
---|
770 | fsd_drmaa_session_stop_wait_thread( fsd_drmaa_session_t *self ) |
---|
771 | { |
---|
772 | volatile int lock_count = 0; |
---|
773 | fsd_log_enter(( "" )); |
---|
774 | fsd_mutex_lock( &self->mutex ); |
---|
775 | TRY |
---|
776 | { |
---|
777 | fsd_log_debug(("started = %d run_flag = %d", self->wait_thread_started, self->wait_thread_run_flag )); |
---|
778 | if( self->wait_thread_started ) |
---|
779 | { |
---|
780 | self->wait_thread_run_flag = false; |
---|
781 | fsd_log_debug(("started = %d run_flag = %d", self->wait_thread_started, self->wait_thread_run_flag )); |
---|
782 | fsd_cond_broadcast( &self->wait_condition ); |
---|
783 | TRY |
---|
784 | { |
---|
785 | lock_count = fsd_mutex_unlock_times( &self->mutex ); |
---|
786 | fsd_thread_join( self->wait_thread_handle, NULL ); |
---|
787 | } |
---|
788 | FINALLY |
---|
789 | { |
---|
790 | int i; |
---|
791 | for( i = 0; i < lock_count; i++ ) |
---|
792 | fsd_mutex_lock( &self->mutex ); |
---|
793 | } |
---|
794 | END_TRY |
---|
795 | self->wait_thread_started = false; |
---|
796 | } |
---|
797 | |
---|
798 | } |
---|
799 | FINALLY |
---|
800 | { fsd_mutex_unlock( &self->mutex ); } |
---|
801 | END_TRY |
---|
802 | fsd_log_return(( "" )); |
---|
803 | } |
---|
804 | |
---|
805 | |
---|
806 | void |
---|
807 | fsd_drmaa_session_update_all_jobs_status( |
---|
808 | fsd_drmaa_session_t *self ) |
---|
809 | { |
---|
810 | char **volatile job_ids = NULL; |
---|
811 | fsd_log_enter(( "" )); |
---|
812 | TRY |
---|
813 | { |
---|
814 | const char **i; |
---|
815 | fsd_job_t *volatile job = NULL; |
---|
816 | job_ids = self->get_submited_job_ids( self ); |
---|
817 | for( i = (const char **)job_ids; *i; i++ ) |
---|
818 | TRY |
---|
819 | { |
---|
820 | job = self->get_job( self, *i ); |
---|
821 | if( job ) |
---|
822 | job->update_status( job ); |
---|
823 | } |
---|
824 | FINALLY |
---|
825 | { |
---|
826 | if( job ) |
---|
827 | job->release( job ); |
---|
828 | } |
---|
829 | END_TRY |
---|
830 | } |
---|
831 | FINALLY |
---|
832 | { |
---|
833 | fsd_free_vector( job_ids ); |
---|
834 | } |
---|
835 | END_TRY |
---|
836 | fsd_log_return(( "" )); |
---|
837 | } |
---|
838 | |
---|
839 | |
---|
840 | char ** |
---|
841 | fsd_drmaa_session_get_submited_job_ids( fsd_drmaa_session_t *self ) |
---|
842 | { |
---|
843 | return self->jobs->get_all_job_ids( self->jobs ); |
---|
844 | } |
---|
845 | |
---|
846 | |
---|
847 | fsd_job_t * |
---|
848 | fsd_drmaa_session_get_job( fsd_drmaa_session_t *self, const char *job_id ) |
---|
849 | { |
---|
850 | return self->jobs->get( self->jobs, job_id ); |
---|
851 | } |
---|
852 | |
---|
853 | |
---|
854 | void |
---|
855 | fsd_drmaa_session_load_configuration( |
---|
856 | fsd_drmaa_session_t *self, const char *basename |
---|
857 | ) |
---|
858 | { |
---|
859 | char *volatile system_conf = NULL; |
---|
860 | char *volatile user_conf = NULL; |
---|
861 | char *volatile varname = NULL; |
---|
862 | TRY |
---|
863 | { |
---|
864 | const char *home; |
---|
865 | const char *envvalue; |
---|
866 | char *i; |
---|
867 | |
---|
868 | system_conf = fsd_asprintf( DRMAA_DIR_SYSCONF"/%s.conf", basename ); |
---|
869 | |
---|
870 | home = getenv( "HOME" ); |
---|
871 | if( home == NULL ) |
---|
872 | { home = "."; } |
---|
873 | user_conf = fsd_asprintf( "%s/.%s.conf", home, basename ); |
---|
874 | |
---|
875 | varname = fsd_asprintf( "%s_CONF", basename ); |
---|
876 | for( i = varname; *i; i++ ) |
---|
877 | *i = toupper( *(unsigned char*)i ); |
---|
878 | envvalue = getenv( varname ); |
---|
879 | |
---|
880 | self->configuration = fsd_conf_read( |
---|
881 | self->configuration, system_conf, false, NULL, 0 ); |
---|
882 | self->configuration = fsd_conf_read( |
---|
883 | self->configuration, user_conf, false, NULL, 0 ); |
---|
884 | if( envvalue ) |
---|
885 | self->configuration = fsd_conf_read( |
---|
886 | self->configuration, envvalue, true, NULL, 0 ); |
---|
887 | self->apply_configuration( self ); |
---|
888 | } |
---|
889 | FINALLY |
---|
890 | { |
---|
891 | fsd_free( system_conf ); |
---|
892 | fsd_free( user_conf ); |
---|
893 | fsd_free( varname ); |
---|
894 | } |
---|
895 | END_TRY |
---|
896 | } |
---|
897 | |
---|
898 | |
---|
899 | void |
---|
900 | fsd_drmaa_session_read_configuration( |
---|
901 | fsd_drmaa_session_t *self, |
---|
902 | const char *filename, bool must_exist, |
---|
903 | const char *configuration, size_t configuration_len |
---|
904 | ) |
---|
905 | { |
---|
906 | self->configuration = fsd_conf_read( |
---|
907 | self->configuration, |
---|
908 | filename, must_exist, |
---|
909 | configuration, configuration_len ); |
---|
910 | self->apply_configuration( self ); |
---|
911 | } |
---|
912 | |
---|
913 | |
---|
914 | void |
---|
915 | fsd_drmaa_session_apply_configuration( fsd_drmaa_session_t *self ) |
---|
916 | { |
---|
917 | fsd_conf_option_t *pool_delay = NULL; |
---|
918 | fsd_conf_option_t *cache_job_state = NULL; |
---|
919 | fsd_conf_option_t *wait_thread = NULL; |
---|
920 | fsd_conf_option_t *job_categories = NULL; |
---|
921 | fsd_conf_option_t *missing_jobs = NULL; |
---|
922 | |
---|
923 | fsd_log_enter(("")); |
---|
924 | if( self->configuration != NULL ) { |
---|
925 | |
---|
926 | pool_delay = fsd_conf_dict_get( |
---|
927 | self->configuration, "pool_delay" ); |
---|
928 | cache_job_state = fsd_conf_dict_get( |
---|
929 | self->configuration, "cache_job_state" ); |
---|
930 | wait_thread = fsd_conf_dict_get( |
---|
931 | self->configuration, "wait_thread" ); |
---|
932 | job_categories = fsd_conf_dict_get( |
---|
933 | self->configuration, "job_categories" ); |
---|
934 | missing_jobs = fsd_conf_dict_get( |
---|
935 | self->configuration, "missing_jobs" ); |
---|
936 | } |
---|
937 | |
---|
938 | if( pool_delay ) |
---|
939 | { |
---|
940 | if( pool_delay->type == FSD_CONF_INTEGER |
---|
941 | && pool_delay->val.integer > 0 ) |
---|
942 | { |
---|
943 | fsd_log_debug(("pool_delay=%d", pool_delay->val.integer)); |
---|
944 | self->pool_delay.tv_sec = pool_delay->val.integer; |
---|
945 | } |
---|
946 | else |
---|
947 | fsd_exc_raise_msg( |
---|
948 | FSD_ERRNO_INTERNAL_ERROR, |
---|
949 | "configuration: 'pool_delay' must be positive integer" |
---|
950 | ); |
---|
951 | } |
---|
952 | if( cache_job_state ) |
---|
953 | { |
---|
954 | if( cache_job_state->type == FSD_CONF_INTEGER |
---|
955 | && cache_job_state->val.integer >= 0 ) |
---|
956 | { |
---|
957 | fsd_log_debug(("cache_job_state=%d", cache_job_state->val.integer)); |
---|
958 | self->cache_job_state = cache_job_state->val.integer; |
---|
959 | } |
---|
960 | else |
---|
961 | fsd_exc_raise_msg( |
---|
962 | FSD_ERRNO_INTERNAL_ERROR, |
---|
963 | "configuration: 'cache_job_state' must be nonnegative integer" |
---|
964 | ); |
---|
965 | } |
---|
966 | if( wait_thread ) |
---|
967 | { |
---|
968 | if( wait_thread->type == FSD_CONF_INTEGER ) |
---|
969 | { |
---|
970 | |
---|
971 | fsd_log_info(("wait_thread=%d", wait_thread->val.integer)); |
---|
972 | self->enable_wait_thread = (wait_thread->val.integer != 0 ); |
---|
973 | } |
---|
974 | else |
---|
975 | fsd_exc_raise_msg( |
---|
976 | FSD_ERRNO_INTERNAL_ERROR, |
---|
977 | "configuration: 'wait_thread' should be 0 or 1" |
---|
978 | ); |
---|
979 | } |
---|
980 | if( job_categories ) |
---|
981 | { |
---|
982 | if( job_categories->type == FSD_CONF_DICT ) |
---|
983 | self->job_categories = job_categories->val.dict; |
---|
984 | else |
---|
985 | fsd_exc_raise_msg( |
---|
986 | FSD_ERRNO_INTERNAL_ERROR, |
---|
987 | "configuration: 'job_categories' should be dictionary" |
---|
988 | ); |
---|
989 | } |
---|
990 | if( missing_jobs ) |
---|
991 | { |
---|
992 | bool ok = true; |
---|
993 | if( missing_jobs->type != FSD_CONF_STRING ) |
---|
994 | { |
---|
995 | const char *value = missing_jobs->val.string; |
---|
996 | if( !strcmp( value, "ignore" ) ) |
---|
997 | self->missing_jobs = FSD_IGNORE_MISSING_JOBS; |
---|
998 | else if( !strcmp( value, "ignore-queued" ) ) |
---|
999 | self->missing_jobs = FSD_IGNORE_QUEUED_MISSING_JOBS; |
---|
1000 | else if( !strcmp( value, "reveal" ) ) |
---|
1001 | self->missing_jobs = FSD_REVEAL_MISSING_JOBS; |
---|
1002 | else |
---|
1003 | ok = false; |
---|
1004 | } |
---|
1005 | else |
---|
1006 | ok = false; |
---|
1007 | |
---|
1008 | if( !ok ) |
---|
1009 | fsd_exc_raise_msg( |
---|
1010 | FSD_ERRNO_INTERNAL_ERROR, |
---|
1011 | "configuration: 'missing_jobs' should be one of: " |
---|
1012 | "'ignore', 'ignore-queued' or 'reveal'" |
---|
1013 | ); |
---|
1014 | } |
---|
1015 | |
---|
1016 | if( self->enable_wait_thread && !self->wait_thread_started ) |
---|
1017 | { |
---|
1018 | fsd_log_debug(("Starting wait thread")); |
---|
1019 | self->wait_thread_run_flag = true; |
---|
1020 | fsd_thread_create( &self->wait_thread_handle, |
---|
1021 | (void*(*)(void*))self->wait_thread, self ); |
---|
1022 | self->wait_thread_started = true; |
---|
1023 | fsd_log_debug(( "wait thread started" )); |
---|
1024 | } |
---|
1025 | else if( !self->enable_wait_thread && self->wait_thread_started ) |
---|
1026 | { |
---|
1027 | fsd_log_debug(("Stopping wait thread")); |
---|
1028 | self->stop_wait_thread( self ); |
---|
1029 | } |
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1030 | |
---|
1031 | fsd_log_return(("")); |
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1032 | } |
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1033 | |
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