1 | /* $Id: session.c 385 2011-01-04 18:24:05Z mamonski $ */ |
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2 | /* |
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3 | * FedStage DRMAA for PBS Pro |
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4 | * Copyright (C) 2006-2009 FedStage Systems |
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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 | #ifdef HAVE_CONFIG_H |
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21 | # include <config.h> |
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22 | #endif |
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23 | |
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24 | #include <stdlib.h> |
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25 | #include <string.h> |
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26 | #include <unistd.h> |
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27 | #include <sys/select.h> |
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28 | #include <sys/stat.h> |
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29 | #include <sys/types.h> |
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30 | #include <fcntl.h> |
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31 | |
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32 | #include <pbs_ifl.h> |
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33 | #include <pbs_error.h> |
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34 | |
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35 | #include <drmaa_utils/datetime.h> |
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36 | #include <drmaa_utils/drmaa.h> |
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37 | #include <drmaa_utils/iter.h> |
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38 | #include <drmaa_utils/conf.h> |
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39 | #include <drmaa_utils/session.h> |
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40 | #include <drmaa_utils/datetime.h> |
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41 | |
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42 | #include <pbs_drmaa/job.h> |
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43 | #include <pbs_drmaa/log_reader.h> |
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44 | #include <pbs_drmaa/session.h> |
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45 | #include <pbs_drmaa/submit.h> |
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46 | #include <pbs_drmaa/util.h> |
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47 | |
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48 | #include <errno.h> |
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49 | |
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50 | #ifndef lint |
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51 | static char rcsid[] |
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52 | # ifdef __GNUC__ |
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53 | __attribute__ ((unused)) |
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54 | # endif |
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55 | = "$Id: session.c 385 2011-01-04 18:24:05Z mamonski $"; |
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56 | #endif |
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57 | |
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58 | static void |
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59 | pbsdrmaa_session_destroy( fsd_drmaa_session_t *self ); |
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60 | |
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61 | static void |
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62 | pbsdrmaa_session_apply_configuration( fsd_drmaa_session_t *self ); |
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63 | |
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64 | static fsd_job_t * |
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65 | pbsdrmaa_session_new_job( fsd_drmaa_session_t *self, const char *job_id ); |
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66 | |
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67 | static bool |
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68 | pbsdrmaa_session_do_drm_keeps_completed_jobs( pbsdrmaa_session_t *self ); |
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69 | |
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70 | static void |
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71 | pbsdrmaa_session_update_all_jobs_status( fsd_drmaa_session_t *self ); |
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72 | |
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73 | static void |
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74 | *pbsdrmaa_session_wait_thread( fsd_drmaa_session_t *self ); |
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75 | |
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76 | static char * |
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77 | pbsdrmaa_session_run_impl( |
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78 | fsd_drmaa_session_t *self, |
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79 | const fsd_template_t *jt, |
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80 | int bulk_idx |
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81 | ); |
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82 | |
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83 | static struct attrl * |
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84 | pbsdrmaa_create_status_attrl(void); |
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85 | |
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86 | |
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87 | fsd_drmaa_session_t * |
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88 | pbsdrmaa_session_new( const char *contact ) |
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89 | { |
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90 | pbsdrmaa_session_t *volatile self = NULL; |
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91 | |
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92 | if( contact == NULL ) |
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93 | contact = ""; |
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94 | TRY |
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95 | { |
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96 | self = (pbsdrmaa_session_t*)fsd_drmaa_session_new(contact); |
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97 | fsd_realloc( self, 1, pbsdrmaa_session_t ); |
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98 | self->super_wait_thread = NULL; |
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99 | |
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100 | self->log_file_initial_size = 0; |
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101 | self->pbs_conn = -1; |
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102 | self->pbs_home = NULL; |
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103 | |
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104 | self->wait_thread_log = false; |
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105 | self->status_attrl = NULL; |
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106 | |
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107 | self->super_destroy = self->super.destroy; |
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108 | self->super.destroy = pbsdrmaa_session_destroy; |
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109 | self->super.new_job = pbsdrmaa_session_new_job; |
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110 | self->super.update_all_jobs_status |
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111 | = pbsdrmaa_session_update_all_jobs_status; |
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112 | self->super.run_impl = pbsdrmaa_session_run_impl; |
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113 | |
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114 | self->super_apply_configuration = self->super.apply_configuration; |
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115 | self->super.apply_configuration = pbsdrmaa_session_apply_configuration; |
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116 | |
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117 | self->do_drm_keeps_completed_jobs = |
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118 | pbsdrmaa_session_do_drm_keeps_completed_jobs; |
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119 | |
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120 | self->status_attrl = pbsdrmaa_create_status_attrl(); |
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121 | |
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122 | self->pbs_conn = pbs_connect( self->super.contact ); |
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123 | fsd_log_debug(( "pbs_connect(%s) =%d", self->super.contact, |
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124 | self->pbs_conn )); |
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125 | if( self->pbs_conn < 0 ) |
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126 | pbsdrmaa_exc_raise_pbs( "pbs_connect" ); |
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127 | |
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128 | self->super.load_configuration( &self->super, "pbs_drmaa" ); |
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129 | |
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130 | self->super.missing_jobs = FSD_IGNORE_MISSING_JOBS; |
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131 | if( self->do_drm_keeps_completed_jobs( self ) ) |
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132 | self->super.missing_jobs = FSD_IGNORE_QUEUED_MISSING_JOBS; |
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133 | } |
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134 | EXCEPT_DEFAULT |
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135 | { |
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136 | if( self ) |
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137 | { |
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138 | self->super.destroy( &self->super ); |
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139 | self = NULL; |
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140 | } |
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141 | } |
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142 | END_TRY |
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143 | return (fsd_drmaa_session_t*)self; |
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144 | } |
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145 | |
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146 | |
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147 | void |
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148 | pbsdrmaa_session_destroy( fsd_drmaa_session_t *self ) |
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149 | { |
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150 | pbsdrmaa_session_t *pbsself = (pbsdrmaa_session_t*)self; |
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151 | self->stop_wait_thread( self ); |
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152 | if( pbsself->pbs_conn >= 0 ) |
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153 | pbs_disconnect( pbsself->pbs_conn ); |
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154 | fsd_free( pbsself->status_attrl ); |
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155 | pbsself->super_destroy( self ); |
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156 | } |
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157 | |
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158 | |
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159 | static char * |
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160 | pbsdrmaa_session_run_impl( |
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161 | fsd_drmaa_session_t *self, |
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162 | const fsd_template_t *jt, |
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163 | int bulk_idx |
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164 | ) |
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165 | { |
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166 | char *volatile job_id = NULL; |
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167 | fsd_job_t *volatile job = NULL; |
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168 | pbsdrmaa_submit_t *volatile submit = NULL; |
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169 | |
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170 | fsd_log_enter(( "(jt=%p, bulk_idx=%d)", (void*)jt, bulk_idx )); |
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171 | TRY |
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172 | { |
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173 | submit = pbsdrmaa_submit_new( self, jt, bulk_idx ); |
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174 | submit->eval( submit ); |
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175 | job_id = submit->submit( submit ); |
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176 | job = self->new_job( self, job_id ); |
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177 | job->submit_time = time(NULL); |
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178 | job->flags |= FSD_JOB_CURRENT_SESSION; |
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179 | self->jobs->add( self->jobs, job ); |
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180 | job->release( job ); job = NULL; |
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181 | } |
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182 | EXCEPT_DEFAULT |
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183 | { |
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184 | fsd_free( job_id ); |
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185 | fsd_exc_reraise(); |
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186 | } |
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187 | FINALLY |
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188 | { |
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189 | if( submit ) |
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190 | submit->destroy( submit ); |
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191 | if( job ) |
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192 | job->release( job ); |
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193 | } |
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194 | END_TRY |
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195 | fsd_log_return(( " =%s", job_id )); |
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196 | return job_id; |
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197 | } |
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198 | |
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199 | |
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200 | static fsd_job_t * |
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201 | pbsdrmaa_session_new_job( fsd_drmaa_session_t *self, const char *job_id ) |
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202 | { |
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203 | fsd_job_t *job; |
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204 | job = pbsdrmaa_job_new( fsd_strdup(job_id) ); |
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205 | job->session = self; |
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206 | return job; |
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207 | } |
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208 | |
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209 | void |
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210 | pbsdrmaa_session_apply_configuration( fsd_drmaa_session_t *self ) |
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211 | { |
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212 | pbsdrmaa_session_t *pbsself = (pbsdrmaa_session_t*)self; |
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213 | fsd_conf_option_t *pbs_home; |
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214 | pbs_home = fsd_conf_dict_get(self->configuration, "pbs_home" ); |
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215 | if( pbs_home ) |
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216 | { |
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217 | if( pbs_home->type == FSD_CONF_STRING ) |
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218 | { |
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219 | struct stat statbuf; |
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220 | char * volatile log_path; |
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221 | struct tm tm; |
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222 | |
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223 | pbsself->pbs_home = pbs_home->val.string; |
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224 | fsd_log_debug(("pbs_home: %s",pbsself->pbs_home)); |
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225 | pbsself->super_wait_thread = pbsself->super.wait_thread; |
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226 | pbsself->super.wait_thread = pbsdrmaa_session_wait_thread; |
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227 | pbsself->wait_thread_log = true; |
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228 | |
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229 | time(&pbsself->log_file_initial_time); |
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230 | localtime_r(&pbsself->log_file_initial_time,&tm); |
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231 | |
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232 | if((log_path = fsd_asprintf("%s/server_logs/%04d%02d%02d", |
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233 | pbsself->pbs_home, |
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234 | tm.tm_year + 1900, |
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235 | tm.tm_mon + 1, |
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236 | tm.tm_mday)) == NULL) { |
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237 | fsd_exc_raise_fmt(FSD_ERRNO_INTERNAL_ERROR,"WT - Memory allocation wasn't possible"); |
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238 | } |
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239 | |
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240 | if(stat(log_path,&statbuf) == -1) { |
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241 | char errbuf[256] = "InternalError"; |
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242 | (void)strerror_r(errno, errbuf, 256); |
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243 | fsd_exc_raise_fmt(FSD_ERRNO_INTERNAL_ERROR,"stat error: %s",errbuf); |
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244 | } |
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245 | |
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246 | fsd_log_debug(("Log file %s size %d",log_path,(int) statbuf.st_size)); |
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247 | pbsself->log_file_initial_size = statbuf.st_size; |
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248 | fsd_free(log_path); |
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249 | } |
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250 | else |
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251 | { |
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252 | pbsself->super.enable_wait_thread = false; |
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253 | pbsself->wait_thread_log = false; |
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254 | fsd_log_debug(("pbs_home not configured. Running standard wait_thread (pooling).")); |
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255 | } |
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256 | } |
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257 | |
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258 | |
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259 | |
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260 | pbsself->super_apply_configuration(self); /* call method from the superclass */ |
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261 | } |
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262 | |
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263 | |
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264 | void |
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265 | pbsdrmaa_session_update_all_jobs_status( fsd_drmaa_session_t *self ) |
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266 | { |
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267 | volatile bool conn_lock = false; |
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268 | volatile bool jobs_lock = false; |
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269 | pbsdrmaa_session_t *pbsself = (pbsdrmaa_session_t*)self; |
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270 | fsd_job_set_t *jobs = self->jobs; |
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271 | struct batch_status *volatile status = NULL; |
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272 | |
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273 | fsd_log_enter(("")); |
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274 | |
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275 | TRY |
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276 | { |
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277 | conn_lock = fsd_mutex_lock( &self->drm_connection_mutex ); |
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278 | retry: |
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279 | |
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280 | #ifdef PBS_PROFESSIONAL |
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281 | status = pbs_statjob( pbsself->pbs_conn, NULL, NULL, NULL ); |
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282 | #else |
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283 | status = pbs_statjob( pbsself->pbs_conn, NULL, pbsself->status_attrl, NULL ); |
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284 | #endif |
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285 | fsd_log_debug(( "pbs_statjob( fd=%d, job_id=NULL, attribs={...} ) =%p", |
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286 | pbsself->pbs_conn, (void*)status )); |
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287 | if( status == NULL && pbs_errno != 0 ) |
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288 | { |
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289 | if (pbs_errno == PBSE_PROTOCOL || pbs_errno == PBSE_EXPIRED) |
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290 | { |
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291 | if ( pbsself->pbs_conn >= 0) |
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292 | pbs_disconnect( pbsself->pbs_conn ); |
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293 | sleep(1); |
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294 | pbsself->pbs_conn = pbs_connect( pbsself->super.contact ); |
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295 | if( pbsself->pbs_conn < 0 ) |
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296 | pbsdrmaa_exc_raise_pbs( "pbs_connect" ); |
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297 | else |
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298 | goto retry; |
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299 | } |
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300 | else |
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301 | { |
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302 | pbsdrmaa_exc_raise_pbs( "pbs_statjob" ); |
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303 | } |
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304 | } |
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305 | conn_lock = fsd_mutex_unlock( &self->drm_connection_mutex ); |
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306 | |
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307 | { |
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308 | size_t i; |
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309 | fsd_job_t *job; |
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310 | jobs_lock = fsd_mutex_lock( &jobs->mutex ); |
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311 | for( i = 0; i < jobs->tab_size; i++ ) |
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312 | for( job = jobs->tab[i]; job != NULL; job = job->next ) |
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313 | { |
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314 | fsd_mutex_lock( &job->mutex ); |
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315 | job->flags |= FSD_JOB_MISSING; |
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316 | fsd_mutex_unlock( &job->mutex ); |
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317 | } |
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318 | jobs_lock = fsd_mutex_unlock( &jobs->mutex ); |
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319 | } |
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320 | |
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321 | { |
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322 | struct batch_status *volatile i; |
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323 | for( i = status; i != NULL; i = i->next ) |
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324 | { |
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325 | fsd_job_t *job = NULL; |
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326 | fsd_log_debug(( "job_id=%s", i->name )); |
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327 | job = self->get_job( self, i->name ); |
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328 | if( job != NULL ) |
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329 | { |
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330 | job->flags &= ~FSD_JOB_MISSING; |
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331 | TRY |
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332 | { |
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333 | ((pbsdrmaa_job_t*)job)->update( job, i ); |
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334 | } |
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335 | FINALLY |
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336 | { |
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337 | job->release( job ); |
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338 | } |
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339 | END_TRY |
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340 | } |
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341 | } |
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342 | } |
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343 | |
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344 | { |
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345 | size_t volatile i; |
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346 | fsd_job_t *volatile job; |
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347 | jobs_lock = fsd_mutex_lock( &jobs->mutex ); |
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348 | for( i = 0; i < jobs->tab_size; i++ ) |
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349 | for( job = jobs->tab[i]; job != NULL; job = job->next ) |
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350 | { |
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351 | fsd_mutex_lock( &job->mutex ); |
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352 | TRY |
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353 | { |
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354 | if( job->flags & FSD_JOB_MISSING ) |
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355 | job->on_missing( job ); |
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356 | } |
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357 | FINALLY{ fsd_mutex_unlock( &job->mutex ); } |
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358 | END_TRY |
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359 | } |
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360 | jobs_lock = fsd_mutex_unlock( &jobs->mutex ); |
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361 | } |
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362 | } |
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363 | FINALLY |
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364 | { |
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365 | if( status != NULL ) |
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366 | pbs_statfree( status ); |
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367 | if( conn_lock ) |
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368 | conn_lock = fsd_mutex_unlock( &self->drm_connection_mutex ); |
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369 | if( jobs_lock ) |
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370 | jobs_lock = fsd_mutex_unlock( &jobs->mutex ); |
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371 | } |
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372 | END_TRY |
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373 | |
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374 | fsd_log_return(("")); |
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375 | } |
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376 | |
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377 | |
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378 | |
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379 | struct attrl * |
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380 | pbsdrmaa_create_status_attrl(void) |
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381 | { |
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382 | struct attrl *result = NULL; |
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383 | struct attrl *i; |
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384 | const int max_attribs = 16; |
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385 | int n_attribs; |
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386 | int j = 0; |
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387 | |
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388 | fsd_log_enter(("")); |
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389 | fsd_calloc( result, max_attribs, struct attrl ); |
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390 | result[j++].name="job_state"; |
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391 | result[j++].name="exit_status"; |
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392 | result[j++].name="resources_used"; |
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393 | result[j++].name="ctime"; |
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394 | result[j++].name="mtime"; |
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395 | result[j++].name="qtime"; |
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396 | result[j++].name="etime"; |
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397 | |
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398 | result[j++].name="queue"; |
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399 | result[j++].name="Account_Name"; |
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400 | result[j++].name="exec_host"; |
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401 | result[j++].name="start_time"; |
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402 | result[j++].name="mtime"; |
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403 | #if 0 |
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404 | result[j].name="resources_used"; result[j].resource="walltime"; j++; |
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405 | result[j].name="resources_used"; result[j].resource="cput"; j++; |
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406 | result[j].name="resources_used"; result[j].resource="mem"; j++; |
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407 | result[j].name="resources_used"; result[j].resource="vmem"; j++; |
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408 | result[j].name="Resource_List"; result[j].resource="walltime"; j++; |
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409 | result[j].name="Resource_List"; result[j].resource="cput"; j++; |
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410 | result[j].name="Resource_List"; result[j].resource="mem"; j++; |
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411 | result[j].name="Resource_List"; result[j].resource="vmem"; j++; |
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412 | #endif |
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413 | n_attribs = j; |
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414 | for( i = result; true; i++ ) |
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415 | if( i+1 < result + n_attribs ) |
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416 | i->next = i+1; |
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417 | else |
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418 | { |
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419 | i->next = NULL; |
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420 | break; |
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421 | } |
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422 | |
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423 | #ifdef DEBUGGING |
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424 | fsd_log_return((":")); |
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425 | pbsdrmaa_dump_attrl( result, NULL ); |
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426 | #endif |
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427 | return result; |
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428 | } |
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429 | |
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430 | |
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431 | bool |
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432 | pbsdrmaa_session_do_drm_keeps_completed_jobs( pbsdrmaa_session_t *self ) |
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433 | { |
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434 | |
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435 | #ifndef PBS_PROFESSIONAL |
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436 | struct attrl default_queue_query; |
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437 | struct attrl keep_completed_query; |
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438 | struct batch_status *default_queue_result = NULL; |
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439 | struct batch_status *keep_completed_result = NULL; |
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440 | const char *default_queue = NULL; |
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441 | const char *keep_completed = NULL; |
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442 | volatile bool result = false; |
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443 | volatile bool conn_lock = false; |
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444 | |
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445 | TRY |
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446 | { |
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447 | default_queue_query.next = NULL; |
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448 | default_queue_query.name = "default_queue"; |
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449 | default_queue_query.resource = NULL; |
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450 | default_queue_query.value = NULL; |
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451 | keep_completed_query.next = NULL; |
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452 | keep_completed_query.name = "keep_completed"; |
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453 | keep_completed_query.resource = NULL; |
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454 | keep_completed_query.value = NULL; |
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455 | |
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456 | conn_lock = fsd_mutex_lock( &self->super.drm_connection_mutex ); |
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457 | |
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458 | default_queue_result = |
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459 | pbs_statserver( self->pbs_conn, &default_queue_query, NULL ); |
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460 | if( default_queue_result == NULL ) |
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461 | pbsdrmaa_exc_raise_pbs( "pbs_statserver" ); |
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462 | if( default_queue_result->attribs |
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463 | && !strcmp( default_queue_result->attribs->name, |
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464 | "default_queue" ) ) |
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465 | default_queue = default_queue_result->attribs->value; |
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466 | |
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467 | fsd_log_debug(( "default_queue: %s", default_queue )); |
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468 | |
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469 | if( default_queue ) |
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470 | { |
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471 | keep_completed_result = pbs_statque( self->pbs_conn, |
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472 | (char*)default_queue, &keep_completed_query, NULL ); |
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473 | if( keep_completed_result == NULL ) |
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474 | pbsdrmaa_exc_raise_pbs( "pbs_statque" ); |
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475 | if( keep_completed_result->attribs |
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476 | && !strcmp( keep_completed_result->attribs->name, |
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477 | "keep_completed" ) ) |
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478 | keep_completed = keep_completed_result->attribs->value; |
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479 | } |
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480 | |
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481 | fsd_log_debug(( "keep_completed: %s", keep_completed )); |
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482 | } |
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483 | EXCEPT_DEFAULT |
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484 | { |
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485 | const fsd_exc_t *e = fsd_exc_get(); |
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486 | fsd_log_warning(( "PBS server seems not to keep completed jobs\n" |
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487 | "detail: %s", e->message(e) )); |
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488 | result = false; |
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489 | } |
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490 | ELSE |
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491 | { |
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492 | result = false; |
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493 | if( default_queue == NULL ) |
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494 | fsd_log_warning(( "no default queue set on PBS server" )); |
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495 | else if( keep_completed == NULL && self->pbs_home == NULL ) |
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496 | fsd_log_warning(( "PBS server is not configured to keep completed jobs\n" |
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497 | "in Torque: set keep_completed parameter of default queue\n" |
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498 | " $ qmgr -c 'set queue batch keep_completed = 60'\n" |
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499 | " or configure DRMAA to utilize log files" |
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500 | )); |
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501 | else |
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502 | result = true; |
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503 | } |
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504 | FINALLY |
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505 | { |
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506 | if( default_queue_result ) |
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507 | pbs_statfree( default_queue_result ); |
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508 | if( keep_completed_result ) |
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509 | pbs_statfree( keep_completed_result ); |
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510 | if( conn_lock ) |
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511 | conn_lock = fsd_mutex_unlock( &self->super.drm_connection_mutex ); |
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512 | |
---|
513 | } |
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514 | END_TRY |
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515 | #endif |
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516 | return false; |
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517 | } |
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518 | |
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519 | void * |
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520 | pbsdrmaa_session_wait_thread( fsd_drmaa_session_t *self ) |
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521 | { |
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522 | pbsdrmaa_log_reader_t *log_reader = NULL; |
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523 | |
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524 | fsd_log_enter(( "" )); |
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525 | |
---|
526 | TRY |
---|
527 | { |
---|
528 | log_reader = pbsdrmaa_log_reader_new( self, NULL); |
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529 | log_reader->read_log( log_reader ); |
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530 | } |
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531 | FINALLY |
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532 | { |
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533 | pbsdrmaa_log_reader_destroy( log_reader ); |
---|
534 | } |
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535 | END_TRY |
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536 | |
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537 | fsd_log_return(( " =NULL" )); |
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538 | return NULL; |
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539 | } |
---|