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#include "ds_mount.h"
#include "jx.h"
#include "debug.h"
#include <stdlib.h>
#include <string.h>
struct ds_mount * ds_mounts_create( struct jx *jmounts )
{
struct jx_pair *p;
struct ds_mount *head = 0;
if (!jmounts) return NULL;
for(p=jmounts->u.pairs;p;p=p->next) {
const char *key = p->key->u.string_value;
struct jx *value = p->value;
struct ds_mount *m;
m = ds_mount_create(key,value);
m->next = head;
head = m;
}
return head;
}
dataswarm_flags_t dataswarm_flags_parse( const char *s )
{
if(!s) return 0;
int flags = 0;
while(*s) {
switch(*s) {
case 'r':
case 'R':
flags |= DS_FLAGS_READ;
break;
case 'w':
case 'W':
flags |= DS_FLAGS_WRITE;
break;
case 'a':
case 'A':
flags |= DS_FLAGS_APPEND;
break;
default:
debug(D_NOTICE|D_DATASWARM,"igoring invalid mount flag: %c\n",*s);
break;
}
s++;
}
return flags;
}
struct jx * dataswarm_flags_to_jx( dataswarm_flags_t flags )
{
static char str[4];
str[0] = 0;
if(flags&DS_FLAGS_READ) strcat(str,"R");
if(flags&DS_FLAGS_WRITE) strcat(str,"W");
if(flags&DS_FLAGS_APPEND) strcat(str,"A");
return jx_string(str);
}
struct ds_mount * ds_mount_create( const char *uuid, struct jx *jmount )
{
struct ds_mount *m = malloc(sizeof(*m));
memset(m,0,sizeof(*m));
m->uuid = strdup(uuid);
const char *type = jx_lookup_string(jmount,"type");
if(!strcmp(type,"path")) {
m->type = DS_MOUNT_PATH;
m->path = jx_lookup_string_dup(jmount,"path");
m->flags = dataswarm_flags_parse(jx_lookup_string(jmount,"flags"));
} else if(!strcmp(type,"fd")) {
m->type = DS_MOUNT_FD;
m->fd = jx_lookup_integer(jmount,"fd");
m->flags = dataswarm_flags_parse(jx_lookup_string(jmount,"flags"));
} else if(!strcmp(type,"stdin")) {
m->type = DS_MOUNT_FD;
m->fd = 0;
m->flags = DS_FLAGS_READ;
} else if(!strcmp(type,"stdout")) {
m->type = DS_MOUNT_FD;
m->fd = 1;
m->flags = DS_FLAGS_WRITE|DS_FLAGS_TRUNCATE;
} else if(!strcmp(type,"stderr")) {
m->type = DS_MOUNT_FD;
m->fd = 2;
m->flags = DS_FLAGS_WRITE|DS_FLAGS_TRUNCATE;
} else {
ds_mount_delete(m);
return 0;
}
return m;
}
struct jx * ds_mounts_to_jx( struct ds_mount *m )
{
struct jx *jmounts = jx_object(0);
while(m) {
struct jx *jm = ds_mount_to_jx(m);
jx_insert(jmounts,jx_string(m->uuid),jm);
m = m->next;
}
return jmounts;
}
struct jx * ds_mount_to_jx( struct ds_mount *m )
{
struct jx *j = jx_object(0);
if(m->type==DS_MOUNT_PATH) {
jx_insert_string(j,"type","path");
jx_insert_string(j,"path",m->path);
jx_insert(j,jx_string("flags"),dataswarm_flags_to_jx(m->flags));
} else if(m->type==DS_MOUNT_FD) {
jx_insert_string(j,"type","fd");
jx_insert_integer(j,"fd",m->fd);
jx_insert(j,jx_string("flags"),dataswarm_flags_to_jx(m->flags));
}
return j;
}
void ds_mount_delete( struct ds_mount *m )
{
if(!m) return;
ds_mount_delete(m->next);
free(m->path);
free(m);
}
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