1 | /* $Id$ */ |
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2 | /* |
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3 | * FedStage DRMAA for PBS Pro |
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4 | * Copyright (C) 2006-2007 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 <pbs_error.h> |
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25 | |
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26 | #include <drmaa_utils/datetime.h> |
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27 | #include <drmaa_utils/drmaa.h> |
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28 | #include <drmaa_utils/iter.h> |
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29 | #include <drmaa_utils/conf.h> |
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30 | #include <drmaa_utils/session.h> |
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31 | #include <drmaa_utils/datetime.h> |
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32 | |
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33 | #include <pbs_drmaa/pbs_conn.h> |
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34 | #include <pbs_drmaa/util.h> |
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35 | |
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36 | #include <errno.h> |
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37 | #include <signal.h> |
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38 | #include <unistd.h> |
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39 | |
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40 | |
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41 | static char* pbsdrmaa_pbs_submit( pbsdrmaa_pbs_conn_t *self, struct attropl *attrib, char *script, char *destination ); |
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42 | |
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43 | static struct batch_status* pbsdrmaa_pbs_statjob( pbsdrmaa_pbs_conn_t *self, char *job_id, struct attrl *attrib ); |
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44 | |
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45 | static void pbsdrmaa_pbs_statjob_free( pbsdrmaa_pbs_conn_t *self, struct batch_status* job_status ); |
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46 | |
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47 | static void pbsdrmaa_pbs_sigjob( pbsdrmaa_pbs_conn_t *self, char *job_id, char *signal ); |
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48 | |
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49 | static void pbsdrmaa_pbs_deljob( pbsdrmaa_pbs_conn_t *self, char *job_id ); |
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50 | |
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51 | static void pbsdrmaa_pbs_rlsjob( pbsdrmaa_pbs_conn_t *self, char *job_id ); |
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52 | |
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53 | static void pbsdrmaa_pbs_holdjob( pbsdrmaa_pbs_conn_t *self, char *job_id ); |
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54 | |
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55 | static void pbsdrmaa_pbs_reconnect_internal( pbsdrmaa_pbs_conn_t *self, bool reconnect); |
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56 | |
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57 | pbsdrmaa_pbs_conn_t * |
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58 | pbsdrmaa_pbs_conn_new( pbsdrmaa_session_t *session, char *server ) |
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59 | { |
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60 | pbsdrmaa_pbs_conn_t *volatile self = NULL; |
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61 | |
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62 | fsd_log_enter(("")); |
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63 | |
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64 | TRY |
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65 | { |
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66 | fsd_malloc(self, pbsdrmaa_pbs_conn_t ); |
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67 | |
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68 | self->session = session; |
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69 | |
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70 | self->submit = pbsdrmaa_pbs_submit; |
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71 | self->statjob = pbsdrmaa_pbs_statjob; |
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72 | self->statjob_free = pbsdrmaa_pbs_statjob_free; |
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73 | self->sigjob = pbsdrmaa_pbs_sigjob; |
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74 | self->deljob = pbsdrmaa_pbs_deljob; |
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75 | self->rlsjob = pbsdrmaa_pbs_rlsjob; |
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76 | self->holdjob = pbsdrmaa_pbs_holdjob; |
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77 | |
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78 | self->server = fsd_strdup(server); |
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79 | |
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80 | self->connection_fd = -1; |
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81 | self->last_usage = time(NULL); |
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82 | |
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83 | /*ignore SIGPIPE - otheriwse pbs_disconnect cause the program to exit */ |
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84 | signal(SIGPIPE, SIG_IGN); |
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85 | |
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86 | pbsdrmaa_pbs_reconnect_internal(self, false); |
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87 | } |
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88 | EXCEPT_DEFAULT |
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89 | { |
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90 | if( self != NULL) |
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91 | { |
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92 | fsd_free(self->server); |
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93 | fsd_free(self); |
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94 | |
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95 | if (self->connection_fd != -1) |
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96 | pbs_disconnect(self->connection_fd); |
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97 | } |
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98 | |
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99 | fsd_exc_reraise(); |
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100 | } |
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101 | END_TRY |
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102 | |
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103 | fsd_log_return(("")); |
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104 | |
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105 | return self; |
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106 | } |
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107 | |
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108 | |
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109 | void |
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110 | pbsdrmaa_pbs_conn_destroy ( pbsdrmaa_pbs_conn_t * self ) |
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111 | { |
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112 | fsd_log_enter(("")); |
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113 | TRY |
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114 | { |
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115 | if(self != NULL) |
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116 | { |
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117 | fsd_free(self->server); |
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118 | fsd_free(self); |
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119 | |
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120 | if (self->connection_fd != -1) |
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121 | pbs_disconnect(self->connection_fd); |
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122 | } |
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123 | } |
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124 | EXCEPT_DEFAULT |
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125 | { |
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126 | fsd_exc_reraise(); |
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127 | } |
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128 | END_TRY |
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129 | |
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130 | fsd_log_return(("")); |
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131 | } |
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132 | |
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133 | char* |
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134 | pbsdrmaa_pbs_submit( pbsdrmaa_pbs_conn_t *self, struct attropl *attrib, char *script, char *destination ) |
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135 | { |
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136 | |
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137 | |
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138 | } |
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139 | |
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140 | struct batch_status* |
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141 | pbsdrmaa_pbs_statjob( pbsdrmaa_pbs_conn_t *self, char *job_id, struct attrl *attrib ) |
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142 | { |
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143 | |
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144 | } |
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145 | |
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146 | void |
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147 | pbsdrmaa_pbs_statjob_free( pbsdrmaa_pbs_conn_t *self, struct batch_status* job_status ) |
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148 | { |
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149 | |
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150 | |
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151 | } |
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152 | |
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153 | void |
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154 | pbsdrmaa_pbs_sigjob( pbsdrmaa_pbs_conn_t *self, char *job_id, char *signal ) |
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155 | { |
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156 | |
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157 | |
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158 | } |
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159 | |
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160 | void |
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161 | pbsdrmaa_pbs_deljob( pbsdrmaa_pbs_conn_t *self, char *job_id ) |
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162 | { |
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163 | |
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164 | } |
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165 | |
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166 | void |
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167 | pbsdrmaa_pbs_rlsjob( pbsdrmaa_pbs_conn_t *self, char *job_id ) |
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168 | { |
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169 | |
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170 | |
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171 | } |
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172 | |
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173 | void |
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174 | pbsdrmaa_pbs_holdjob( pbsdrmaa_pbs_conn_t *self, char *job_id ) |
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175 | { |
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176 | |
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177 | } |
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178 | |
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179 | void |
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180 | pbsdrmaa_pbs_reconnect_internal( pbsdrmaa_pbs_conn_t *self, bool force_reconnect) |
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181 | { |
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182 | int tries_left = self->session->max_retries_count; |
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183 | int sleep_time = 1; |
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184 | |
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185 | |
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186 | fsd_log_enter(("(%d)", self->connection_fd)); |
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187 | |
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188 | if ( self->connection_fd != -1 ) |
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189 | { |
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190 | if (!force_reconnect) |
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191 | { |
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192 | fsd_log_return(("(%d)", self->connection_fd)); |
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193 | return; |
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194 | } |
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195 | else |
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196 | { |
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197 | pbs_disconnect(self->connection_fd); |
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198 | self->connection_fd = -1; |
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199 | } |
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200 | } |
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201 | |
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202 | retry_connect: /* Life... */ |
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203 | self->connection_fd = pbs_connect( self->server ); |
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204 | fsd_log_info(( "pbs_connect(%s) =%d", self->server, self->connection_fd )); |
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205 | if( self->connection_fd < 0 && tries_left-- ) |
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206 | { |
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207 | sleep(sleep_time); |
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208 | sleep_time *=2; |
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209 | goto retry_connect; |
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210 | } |
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211 | |
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212 | if( self->connection_fd < 0 ) |
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213 | pbsdrmaa_exc_raise_pbs( "pbs_connect" ); |
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214 | |
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215 | fsd_log_return(("(%d)", self->connection_fd)); |
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216 | } |
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217 | |
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