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work_queue.h

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00001 #ifndef WORK_QUEUE_H
00002 #define WORK_QUEUE_H
00003 
00014 #include "timestamp.h"
00015 
00016 #define WORK_QUEUE_DEFAULT_PORT 9123
00017 #define WORK_QUEUE_LINE_MAX 1024
00018 
00019 #define WAITFORTASK -1
00020 
00021 #define WQ_RESULT_UNSET 0
00022 #define WQ_RESULT_INPUT_FAIL 1
00023 #define WQ_RESULT_FUNCTION_FAIL 2
00024 #define WQ_RESULT_OUTPUT_FAIL 3
00025 
00028 struct work_queue_task {
00029         char *tag;
00030         char *command_line;             
00031         char *output;                   
00032         struct list * input_files;      
00033         struct list * output_files;     
00034         int taskid;                     
00035         int return_status;              
00036         int result;                     
00037         char* host;                     
00038         timestamp_t submit_time;        
00039         timestamp_t start_time;         
00040         timestamp_t finish_time;        
00041         INT64_T total_bytes_transfered;
00042         timestamp_t total_transfer_time;
00043 };
00044 
00047 struct work_queue_stats {
00048         int workers_init;               
00049         int workers_ready;              
00050         int workers_busy;               
00051         int tasks_running;              
00052         int tasks_waiting;              
00053         int tasks_complete;             
00054         int total_tasks_dispatched;     
00055         int total_tasks_complete;       
00056         int total_workers_joined;       
00057         int total_workers_removed;      
00058 };
00059 
00065 struct work_queue * work_queue_create( int port , time_t stoptime);
00066 
00070 void work_queue_delete( struct work_queue *q );
00071 
00076 void work_queue_get_stats( struct work_queue *q, struct work_queue_stats *s );
00077 
00083 int work_queue_activate_fast_abort(struct work_queue* q, double multiplier);
00084 
00090 struct work_queue_task * work_queue_wait( struct work_queue *q, int timeout );
00091 
00096 void work_queue_submit( struct work_queue *q, struct work_queue_task *t );
00097 
00101 void work_queue_task_delete( struct work_queue_task *t );
00102 
00106 struct work_queue_task * work_queue_task_create( const char* full_command);
00107 
00112 INT64_T work_queue_task_specify_tag( struct work_queue_task* t, const char* tag);
00113 
00120 INT64_T work_queue_task_specify_input_buf( struct work_queue_task* t, const char* buf, int length, const char* rname);
00121 
00127 INT64_T work_queue_task_specify_input_file( struct work_queue_task* t, const char* fname, const char* rname);
00128 
00134 INT64_T work_queue_task_specify_output_file( struct work_queue_task* t, const char* rname, const char* fname);
00135 
00139 int work_queue_hungry (struct work_queue* q);
00140 
00144 int work_queue_empty (struct work_queue* q);
00145 
00150 int work_queue_shut_down_workers (struct work_queue* q, int n);
00151 
00156 //int work_queue_delete_local_state (struct work_queue* q, struct task_file* exceptions);
00157 
00162 //int work_queue_resubmit (struct work_queue* q, struct work_queue_task* t);
00163 
00164 #endif

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