Add initial support for profile specific options
[fio.git] / parse.c
diff --git a/parse.c b/parse.c
index 5043374405d8a1e262687a5a1bdcac90f18990cf..9c0965f002d31d01156749eebf7868ad0b813e0e 100644 (file)
--- a/parse.c
+++ b/parse.c
 
 #include "parse.h"
 #include "debug.h"
+#include "options.h"
 
 static struct fio_option *fio_options;
+extern unsigned int fio_get_kb_base(void *);
 
 static int vp_cmp(const void *p1, const void *p2)
 {
@@ -41,15 +43,15 @@ static void posval_sort(struct fio_option *o, struct value_pair *vpmap)
        qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp);
 }
 
-static void show_option_range(struct fio_option *o)
+static void show_option_range(struct fio_option *o, FILE *out)
 {
        if (!o->minval && !o->maxval)
                return;
 
-       printf("%20s: min=%d", "range", o->minval);
+       fprintf(out, "%20s: min=%d", "range", o->minval);
        if (o->maxval)
-               printf(", max=%d", o->maxval);
-       printf("\n");
+               fprintf(out, ", max=%d", o->maxval);
+       fprintf(out, "\n");
 }
 
 static void show_option_values(struct fio_option *o)
@@ -73,6 +75,28 @@ static void show_option_values(struct fio_option *o)
                printf("\n");
 }
 
+static void show_option_help(struct fio_option *o, FILE *out)
+{
+       const char *typehelp[] = {
+               "string (opt=bla)",
+               "string with possible k/m/g postfix (opt=4k)",
+               "string with time postfix (opt=10s)",
+               "string (opt=bla)",
+               "string with dual range (opt=1k-4k,4k-8k)",
+               "integer value (opt=100)",
+               "boolean value (opt=1)",
+               "no argument (opt)",
+       };
+
+       if (o->alias)
+               fprintf(out, "%20s: %s\n", "alias", o->alias);
+
+       fprintf(out, "%20s: %s\n", "type", typehelp[o->type]);
+       fprintf(out, "%20s: %s\n", "default", o->def ? o->def : "no default");
+       show_option_range(o, stdout);
+       show_option_values(o);
+}
+
 static unsigned long get_mult_time(char c)
 {
        switch (c) {
@@ -90,30 +114,39 @@ static unsigned long get_mult_time(char c)
        }
 }
 
-static unsigned long get_mult_bytes(char c)
+static unsigned long long get_mult_bytes(char c, void *data)
 {
+       unsigned int kb_base = fio_get_kb_base(data);
+       unsigned long long ret = 1;
+
        switch (c) {
-       case 'k':
-       case 'K':
-               return 1024;
-       case 'm':
-       case 'M':
-               return 1024 * 1024;
+       default:
+               break;
+       case 'p':
+       case 'P':
+               ret *= (unsigned long long) kb_base;
+       case 't':
+       case 'T':
+               ret *= (unsigned long long) kb_base;
        case 'g':
        case 'G':
-               return 1024 * 1024 * 1024;
-       case 'e':
-       case 'E':
-               return 1024 * 1024 * 1024 * 1024UL;
-       default:
-               return 1;
+               ret *= (unsigned long long) kb_base;
+       case 'm':
+       case 'M':
+               ret *= (unsigned long long) kb_base;
+       case 'k':
+       case 'K':
+               ret *= (unsigned long long) kb_base;
+               break;
        }
+
+       return ret;
 }
 
 /*
  * convert string into decimal value, noting any size suffix
  */
-int str_to_decimal(const char *str, long long *val, int kilo)
+int str_to_decimal(const char *str, long long *val, int kilo, void *data)
 {
        int len, base;
 
@@ -130,22 +163,32 @@ int str_to_decimal(const char *str, long long *val, int kilo)
        if (*val == LONG_MAX && errno == ERANGE)
                return 1;
 
-       if (kilo)
-               *val *= get_mult_bytes(str[len - 1]);
-       else
+       if (kilo) {
+               const char *p;
+               /*
+                * if the last char is 'b' or 'B', the user likely used
+                * "1gb" instead of just "1g". If the second to last is also
+                * a letter, adjust.
+                */
+               p = str + len - 1;
+               if ((*p == 'b' || *p == 'B') && isalpha(*(p - 1)))
+                       --p;
+
+               *val *= get_mult_bytes(*p, data);
+       } else
                *val *= get_mult_time(str[len - 1]);
 
        return 0;
 }
 
-static int check_str_bytes(const char *p, long long *val)
+static int check_str_bytes(const char *p, long long *val, void *data)
 {
-       return str_to_decimal(p, val, 1);
+       return str_to_decimal(p, val, 1, data);
 }
 
 static int check_str_time(const char *p, long long *val)
 {
-       return str_to_decimal(p, val, 0);
+       return str_to_decimal(p, val, 0, NULL);
 }
 
 void strip_blank_front(char **p)
@@ -178,7 +221,7 @@ void strip_blank_end(char *p)
        *(s + 1) = '\0';
 }
 
-static int check_range_bytes(const char *str, long *val)
+static int check_range_bytes(const char *str, long *val, void *data)
 {
        char suffix;
 
@@ -186,7 +229,7 @@ static int check_range_bytes(const char *str, long *val)
                return 1;
 
        if (sscanf(str, "%lu%c", val, &suffix) == 2) {
-               *val *= get_mult_bytes(suffix);
+               *val *= get_mult_bytes(suffix, data);
                return 0;
        }
 
@@ -211,16 +254,35 @@ static int check_int(const char *p, int *val)
        return 1;
 }
 
+static inline int o_match(struct fio_option *o, const char *opt)
+{
+       if (!strcmp(o->name, opt))
+               return 1;
+       else if (o->alias && !strcmp(o->alias, opt))
+               return 1;
+
+       return 0;
+}
+
 static struct fio_option *find_option(struct fio_option *options,
-                                     const char *opt)
+                                     struct flist_head *eops, const char *opt)
 {
+       struct flist_head *n;
        struct fio_option *o;
 
-       for (o = &options[0]; o->name; o++) {
-               if (!strcmp(o->name, opt))
-                       return o;
-               else if (o->alias && !strcmp(o->alias, opt))
+       for (o = &options[0]; o->name; o++)
+               if (o_match(o, opt))
                        return o;
+
+       if (!eops)
+               return NULL;
+
+       flist_for_each(n, eops) {
+               struct ext_option *eopt;
+
+               eopt = flist_entry(n, struct ext_option, list);
+               if (o_match(&eopt->o, opt))
+                       return &eopt->o;
        }
 
        return NULL;
@@ -265,9 +327,13 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                        ret = 1;
                        if (!strncmp(vp->ival, ptr, strlen(vp->ival))) {
                                ret = 0;
-                               if (!o->off1)
-                                       break;
-                               val_store(ilp, vp->oval, o->off1, data);
+                               if (o->roff1)
+                                       *(unsigned int *) o->roff1 = vp->oval;
+                               else {
+                                       if (!o->off1)
+                                               break;
+                                       val_store(ilp, vp->oval, o->off1, data);
+                               }
                                break;
                        }
                }
@@ -287,7 +353,7 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                if (is_time)
                        ret = check_str_time(ptr, &ull);
                else
-                       ret = check_str_bytes(ptr, &ull);
+                       ret = check_str_bytes(ptr, &ull, data);
 
                if (ret)
                        break;
@@ -307,15 +373,31 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                        ret = fn(data, &ull);
                else {
                        if (o->type == FIO_OPT_INT) {
-                               if (first)
-                                       val_store(ilp, ull, o->off1, data);
-                               if (!more && o->off2)
-                                       val_store(ilp, ull, o->off2, data);
+                               if (first) {
+                                       if (o->roff1)
+                                               *(unsigned long long *) o->roff1 = ull;
+                                       else
+                                               val_store(ilp, ull, o->off1, data);
+                               }
+                               if (!more) {
+                                       if (o->roff2)
+                                               *(unsigned long long *) o->roff2 = ull;
+                                       else if (o->off2)
+                                               val_store(ilp, ull, o->off2, data);
+                               }
                        } else {
-                               if (first)
-                                       val_store(ullp, ull, o->off1, data);
-                               if (!more && o->off2)
-                                       val_store(ullp, ull, o->off2, data);
+                               if (first) {
+                                       if (o->roff1)
+                                               *(unsigned long long *) o->roff1 = ull;
+                                       else
+                                               val_store(ullp, ull, o->off1, data);
+                               }
+                               if (!more) {
+                                       if (o->roff2)
+                                               *(unsigned long long *) o->roff2 =  ull;
+                                       else if (o->off2)
+                                               val_store(ullp, ull, o->off2, data);
+                               }
                        }
                }
                break;
@@ -323,7 +405,11 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
        case FIO_OPT_STR_STORE: {
                fio_opt_str_fn *fn = o->cb;
 
-               cp = td_var(data, o->off1);
+               if (o->roff1)
+                       cp = (char **) o->roff1;
+               else
+                       cp = td_var(data, o->off1);
+
                *cp = strdup(ptr);
                if (fn) {
                        ret = fn(data, ptr);
@@ -354,8 +440,8 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                p1 = tmp;
 
                ret = 1;
-               if (!check_range_bytes(p1, &ul1) &&
-                   !check_range_bytes(p2, &ul2)) {
+               if (!check_range_bytes(p1, &ul1, data) &&
+                   !check_range_bytes(p2, &ul2, data)) {
                        ret = 0;
                        if (ul1 > ul2) {
                                unsigned long foo = ul1;
@@ -365,10 +451,19 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                        }
 
                        if (first) {
-                               val_store(ilp, ul1, o->off1, data);
-                               val_store(ilp, ul2, o->off2, data);
+                               if (o->roff1)
+                                       *(unsigned long *) o->roff1 = ul1;
+                               else
+                                       val_store(ilp, ul1, o->off1, data);
+                               if (o->roff2)
+                                       *(unsigned long *) o->roff2 = ul2;
+                               else
+                                       val_store(ilp, ul2, o->off2, data);
                        }
-                       if (o->off3 && o->off4) {
+                       if (o->roff3 && o->roff4) {
+                               *(unsigned long *) o->roff3 = ul1;
+                               *(unsigned long *) o->roff4 = ul2;
+                       } else if (o->off3 && o->off4) {
                                val_store(ilp, ul1, o->off3, data);
                                val_store(ilp, ul2, o->off4, data);
                        }
@@ -400,10 +495,18 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                if (fn)
                        ret = fn(data, &il);
                else {
-                       if (first)
-                               val_store(ilp, il, o->off1, data);
-                       if (!more && o->off2)
-                               val_store(ilp, il, o->off2, data);
+                       if (first) {
+                               if (o->roff1)
+                                       *(unsigned int *)o->roff1 = il;
+                               else
+                                       val_store(ilp, il, o->off1, data);
+                       }
+                       if (!more) {
+                               if (o->roff2)
+                                       *(unsigned int *) o->roff2 = il;
+                               else if (o->off2)
+                                       val_store(ilp, il, o->off2, data);
+                       }
                }
                break;
        }
@@ -413,10 +516,18 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                if (fn)
                        ret = fn(data);
                else {
-                       if (first)
-                               val_store(ilp, 1, o->off1, data);
-                       if (!more && o->off2)
-                               val_store(ilp, 1, o->off2, data);
+                       if (first) {
+                               if (o->roff1)
+                                       *(unsigned int *) o->roff1 = 1;
+                               else
+                                       val_store(ilp, 1, o->off1, data);
+                       }
+                       if (!more) {
+                               if (o->roff2)
+                                       *(unsigned int *) o->roff2 = 1;
+                               else if (o->off2)
+                                       val_store(ilp, 1, o->off2, data);
+                       }
                }
                break;
        }
@@ -431,8 +542,14 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
        if (ret)
                return ret;
 
-       if (o->verify)
+       if (o->verify) {
                ret = o->verify(o, data);
+               if (ret) {
+                       fprintf(stderr,"Correct format for offending option\n");
+                       fprintf(stderr, "%20s: %s\n", o->name, o->help);
+                       show_option_help(o, stderr);
+               }
+       }
 
        return ret;
 }
@@ -487,7 +604,8 @@ static int handle_option(struct fio_option *o, const char *__ptr, void *data)
 }
 
 static struct fio_option *get_option(const char *opt,
-                                    struct fio_option *options, char **post)
+                                    struct fio_option *options,
+                                    struct flist_head *eops, char **post)
 {
        struct fio_option *o;
        char *ret;
@@ -499,9 +617,9 @@ static struct fio_option *get_option(const char *opt,
                ret = (char *) opt;
                (*post)++;
                strip_blank_end(ret);
-               o = find_option(options, ret);
+               o = find_option(options, eops, ret);
        } else {
-               o = find_option(options, opt);
+               o = find_option(options, eops, opt);
                *post = NULL;
        }
 
@@ -517,9 +635,9 @@ static int opt_cmp(const void *p1, const void *p2)
        s1 = strdup(*((char **) p1));
        s2 = strdup(*((char **) p2));
 
-       o1 = get_option(s1, fio_options, &foo);
-       o2 = get_option(s2, fio_options, &foo);
-       
+       o1 = get_option(s1, fio_options, NULL, &foo);
+       o2 = get_option(s2, fio_options, NULL, &foo);
+
        prio1 = prio2 = 0;
        if (o1)
                prio1 = o1->prio;
@@ -539,11 +657,12 @@ void sort_options(char **opts, struct fio_option *options, int num_opts)
 }
 
 int parse_cmd_option(const char *opt, const char *val,
-                    struct fio_option *options, void *data)
+                    struct fio_option *options, struct flist_head *eops,
+                    void *data)
 {
        struct fio_option *o;
 
-       o = find_option(options, opt);
+       o = find_option(options, eops, opt);
        if (!o) {
                fprintf(stderr, "Bad option <%s>\n", opt);
                return 1;
@@ -572,6 +691,11 @@ static char *option_dup_subs(const char *opt)
        ssize_t nchr = OPT_LEN_MAX;
        size_t envlen;
 
+       if (strlen(in) + 1 > OPT_LEN_MAX) {
+               fprintf(stderr, "OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
+               return NULL;
+       }
+
        in[OPT_LEN_MAX] = '\0';
        strncpy(in, opt, OPT_LEN_MAX);
 
@@ -605,14 +729,17 @@ static char *option_dup_subs(const char *opt)
        return strdup(out);
 }
 
-int parse_option(const char *opt, struct fio_option *options, void *data)
+int parse_option(const char *opt, struct fio_option *options,
+                struct flist_head *ext_opt_list, void *data)
 {
        struct fio_option *o;
        char *post, *tmp;
 
        tmp = option_dup_subs(opt);
+       if (!tmp)
+               return 1;
 
-       o = get_option(tmp, options, &post);
+       o = get_option(tmp, options, ext_opt_list, &post);
        if (!o) {
                fprintf(stderr, "Bad option <%s>\n", tmp);
                free(tmp);
@@ -668,28 +795,6 @@ static int string_distance(const char *s1, const char *s2)
        return i;
 }
 
-static void show_option_help(struct fio_option *o)
-{
-       const char *typehelp[] = {
-               "string (opt=bla)",
-               "string with possible k/m/g postfix (opt=4k)",
-               "string with time postfix (opt=10s)",
-               "string (opt=bla)",
-               "string with dual range (opt=1k-4k,4k-8k)",
-               "integer value (opt=100)",
-               "boolean value (opt=1)",
-               "no argument (opt)",
-       };
-
-       if (o->alias)
-               printf("%20s: %s\n", "alias", o->alias);
-
-       printf("%20s: %s\n", "type", typehelp[o->type]);
-       printf("%20s: %s\n", "default", o->def ? o->def : "no default");
-       show_option_range(o);
-       show_option_values(o);
-}
-
 static struct fio_option *find_child(struct fio_option *options,
                                     struct fio_option *o)
 {
@@ -747,8 +852,11 @@ static void print_option(struct fio_option *o)
        } while (printed);
 }
 
-int show_cmd_help(struct fio_option *options, const char *name)
+int show_cmd_help(struct fio_option *options, struct flist_head *ext_opts,
+                 const char *name)
 {
+       struct flist_head *n;
+       struct ext_option *eo;
        struct fio_option *o, *closest;
        unsigned int best_dist;
        int found = 0;
@@ -794,17 +902,29 @@ int show_cmd_help(struct fio_option *options, const char *name)
                if (!match)
                        continue;
 
-               show_option_help(o);
+               show_option_help(o, stdout);
        }
 
        if (found)
                return 0;
 
+       flist_for_each(n, ext_opts) {
+               eo = flist_entry(n, struct ext_option, list);
+               o = &eo->o;
+               if (!strcmp(name, o->name) ||
+                   (o->alias && !strcmp(name, o->alias))) {
+                       printf("%20s: %s\n", o->name, o->help);
+                       show_option_help(o, stdout);
+                       printf("%20s: External, valid for '%s'\n", "Restriction", eo->prof_name);
+                       return 0;
+               }
+       }
+
        printf("No such command: %s", name);
        if (closest) {
                printf(" - showing closest match\n");
                printf("%20s: %s\n", closest->name, closest->help);
-               show_option_help(closest);
+               show_option_help(closest, stdout);
        } else
                printf("\n");
 
@@ -825,6 +945,31 @@ void fill_default_options(void *data, struct fio_option *options)
                        handle_option(o, o->def, data);
 }
 
+void option_init(struct fio_option *o)
+{
+       if (o->type == FIO_OPT_DEPRECATED)
+               return;
+       if (o->type == FIO_OPT_BOOL) {
+               o->minval = 0;
+               o->maxval = 1;
+       }
+       if (o->type == FIO_OPT_STR_SET && o->def) {
+               fprintf(stderr, "Option %s: string set option with"
+                               " default will always be true\n", o->name);
+       }
+       if (!o->cb && (!o->off1 && !o->roff1)) {
+               fprintf(stderr, "Option %s: neither cb nor offset given\n",
+                                                       o->name);
+       }
+       if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE)
+               return;
+       if (o->cb && ((o->off1 || o->off2 || o->off3 || o->off4) ||
+                     (o->roff1 || o->roff2 || o->roff3 || o->roff4))) {
+               fprintf(stderr, "Option %s: both cb and offset given\n",
+                                                        o->name);
+       }
+}
+
 /*
  * Sanitize the options structure. For now it just sets min/max for bool
  * values and whether both callback and offsets are given.
@@ -835,27 +980,6 @@ void options_init(struct fio_option *options)
 
        dprint(FD_PARSE, "init options\n");
 
-       for (o = &options[0]; o->name; o++) {
-               if (o->type == FIO_OPT_DEPRECATED)
-                       continue;
-               if (o->type == FIO_OPT_BOOL) {
-                       o->minval = 0;
-                       o->maxval = 1;
-               }
-               if (o->type == FIO_OPT_STR_SET && o->def) {
-                       fprintf(stderr, "Option %s: string set option with"
-                                       " default will always be true\n",
-                                               o->name);
-               }
-               if (!o->cb && !o->off1) {
-                       fprintf(stderr, "Option %s: neither cb nor offset"
-                                       " given\n", o->name);
-               }
-               if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE)
-                       continue;
-               if (o->cb && (o->off1 || o->off2 || o->off3 || o->off4)) {
-                       fprintf(stderr, "Option %s: both cb and offset given\n",
-                                                                o->name);
-               }
-       }
+       for (o = &options[0]; o->name; o++)
+               option_init(o);
 }