yarrg/rscommon.h

   1 #ifndef RSCOMMON_H
   2 #define RSCOMMON_H
   3
   4 #include <sqlite3.h>
   5
   6 #define DEBUG_FLAG_LIST                         \
   7    DF(sql)                                      \
   8    DF(sql2)                                     \
   9    DF(value)                                    \
  10    DF(search)                                   \
  11    DF(filter)                                   \
  12    DF(check)                                    \
  13    DF(lp)
  14
  15 #define debug stdout
  16 #define DEBUG_DEV "/dev/stdout"
  17
  18 #include "common.h"
  19
  20
  21 #define COUNTER_LIST                            \
  22    CTR(commodities_loaded)                      \
  23    CTR(trades_loaded)                           \
  24    CTR(quantities_loaded)                       \
  25    CTR(routes_considered)                       \
  26    CTR(routes_eliminated)                       \
  27    CTR(routes_valued)                           \
  28    CTR(subroute_tails_valued)                   \
  29    CTR(subroutes_valued)                        \
  30    CTR(subroutes_nonempty)
  31 #define CTR(x) extern int ctr_##x;
  32   COUNTER_LIST
  33 #undef CTR
  34
  35 #define SQL_MUST( call ) ({                                              \
  36     /* `call' is an expression returning result, using  const char *sqe; \
  37      * chk1 and chk2 are blocks using sqe and  int sqr; */               \
  38     const char *sql_must_call_string= #call;                             \
  39     int sqr;                                                             \
  40     if (DEBUGP(sql2)) fprintf(stderr,"SQL %s", sql_must_call_string);    \
  41     sqr= (call);                                                         \
  42     if (DEBUGP(sql2)) fprintf(stderr," = %d\n", sqr);                    \
  43     if (sqr) sql_fatal("(unknown)", sqr, sql_must_call_string);          \
  44   })                                                                     \
  45
  46 void sql_fatal(const char *stmt_what, int sqr, const char *act_what) NORET;
  47
  48 #define SQL_STEP(ssh) (sql_step((ssh), #ssh, __FILE__, __LINE__))
  49 int sql_step(sqlite3_stmt *ssh, const char *ssh_string,
  50              const char *file, int line);
  51
  52 #define SQL_DISTINCT_DECL(cols, nintcols)       \
  53   int cols[nintcols];                           \
  54   cols[0]= -1;
  55 #define SQL_DISTINCT_STEP(ssh, cols, nkeycols)                           \
  56   (sql_step_distinct((ssh), #ssh, __FILE__, __LINE__,                    \
  57                      (cols), sizeof((cols))/sizeof((cols)[0]), nkeycols))
  58 int sql_step_distinct(sqlite3_stmt *ssh, const char *ssh_string,
  59                       const char *file, int line,
  60                       int *cols, int ncols, int nkeycols);
  61    /* These work if we're making a query whose columns consist of:
  62     *  - keys: integer column(s) on which the results are sorted by the query
  63     *  - consequences: zero or more integer cols strictly dependent on the keys
  64     *  - extra: zero or more further (possibly non-integer) columns
  65     *
  66     * Call SQL_DISTINCT_DECL, passing intcols = the total number of keys and
  67     * consequences; it will declare  int cols[intfields];
  68     *
  69     * Then each SQL_DISTINCT_STEP is like SQL_STEP only you have to
  70     * pass the number of key columns and it only returns rows with
  71     * distinct keys.  Rows with all-identical keys are asserted to
  72     * have identical consequences.  After each call to
  73     * SQL_DISTINCT_STEP the keys and consequences will be stored in
  74     * cols.
  75     */
  76
  77 int sql_single_int(const char *stmt);
  78
  79 #define SQL_PREPARE(ss,stmt) ((ss)= sql_prepare((stmt),#ss))
  80 sqlite3_stmt *sql_prepare(const char *stmt, const char *what);
  81
  82 #define SQL_BIND(ss,index,value) (sql_bind((ss),(index),(value),#ss,#value))
  83 void sql_bind(sqlite3_stmt *ss, int index, int value,
  84               const char *ss_what, const char *val_what);
  85
  86 #define MAX_ROUTELEN 20
  87
  88 extern sqlite3 *db;
  89
  90 void setup_sql(void);
  91
  92
  93 typedef struct {
  94   double distance_loss_factor;
  95   struct TradesBlock *trades;
  96   double route_tail_value;
  97 } IslandPair;
  98
  99 IslandPair *ipair_get_maybe(int si, int di);
 100
 101 double value_route(int nislands, const int *islands, int exclude_arbitrage);
 102 void setup_value(void);
 103
 104 typedef struct {
 105   double absolute, perleague;
 106   int absolute_ports[MAX_ROUTELEN], perleague_ports[MAX_ROUTELEN];
 107 } PotentialResult;
 108
 109 void setup_search(void);
 110 void search(int start_isle, PotentialResult ****strat_base_io
 111                                 /* strat_base[finalarch][midarch]-> */);
 112
 113 extern double max_mass, max_volu, max_capi;
 114 extern double distance_loss_factor_per_league;
 115 extern int max_dist;
 116
 117 #define LOSS_FACTOR_PER_DELAY_SLOT (1-1e-8)
 118
 119 extern int islandtablesz;
 120
 121 extern int narches;
 122 extern char **archnames;
 123 extern int *islandid2arch;
 124
 125
 126 #define NEW(ptr) ((ptr)= mmalloc(sizeof(*ptr)))
 127
 128 #define MCALLOC(array, count) ((array)= mcalloc(sizeof(*(array)) * (count)))
 129
 130 #define MCALLOC_INITEACH(array, count, init_this) ({                   \
 131     MCALLOC((array), (count));                                         \
 132     int initi;                                                         \
 133     typeof(&(array)[0]) this;                                          \
 134     for (initi=0, this=(array); initi<(count); initi++, this++) {      \
 135       init_this;                                                       \
 136     }                                                                  \
 137   })
 138
 139
 140 #define ONDEMAND(pointer_lvalue, calloc_size_count)                          \
 141   ((pointer_lvalue) ? :                                                      \
 142    ((pointer_lvalue) = mcalloc(sizeof(*(pointer_lvalue)) * calloc_size_count)))
 143
 144
 145 #endif /*RSCOMMON_H*/