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posix: implement link key iterator for btstack_link_key_db_fs

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This commit is contained in:
Matthias Ringwald 2018-02-05 17:56:29 +01:00
parent 98cd9557da
commit d08566fb6e
11 changed files with 71 additions and 9 deletions
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64
platform/posix/btstack_link_key_db_fs.c
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@ -42,6 +42,8 @@
#include <stdio.h>
#include <unistd.h>
#include "tinydir.h"
#include "btstack_config.h"
#include "btstack_link_key_db_fs.h"
#include "btstack_debug.h"
@ -62,7 +64,7 @@
#define LINK_KEY_STRING_LEN 17
static bd_addr_t local_addr;
// note: sizeof for string literals works at compile time while strlen only works with some optimizations turned on. sizeof inlcudes the  \0
// note: sizeof for string literals works at compile time while strlen only works with some optimizations turned on. sizeof includes the  \0
static char keypath[sizeof(LINK_KEY_PATH) + sizeof(LINK_KEY_PREFIX) + LINK_KEY_STRING_LEN + sizeof(LINK_KEY_FOR) + LINK_KEY_STRING_LEN + sizeof(LINK_KEY_SUFFIX) + 1];
static char bd_addr_to_dash_str_buffer[6*3]; // 12-45-78-01-34-67\0
@ -151,14 +153,13 @@ static void put_link_key(bd_addr_t bd_addr, link_key_t link_key, link_key_type_t
fclose(wFile);
}
static int get_link_key(bd_addr_t bd_addr, link_key_t link_key, link_key_type_t * link_key_type) {
set_path(bd_addr);
if (access(keypath, R_OK)) return 0;
static int read_link_key(const char * path, link_key_t link_key, link_key_type_t * link_key_type){
if (access(path, R_OK)) return 0;
char link_key_str[LINK_KEY_STR_LEN + 1];
char link_key_type_str[2];
FILE * rFile = fopen(keypath,"r+");
FILE * rFile = fopen(path,"r+");
size_t objects_read = fread(link_key_str, LINK_KEY_STR_LEN, 1, rFile );
if (objects_read == 1){
link_key_str[LINK_KEY_STR_LEN] = 0;
@ -181,15 +182,63 @@ static int get_link_key(bd_addr_t bd_addr, link_key_t link_key, link_key_type_t
return 1;
}
static int get_link_key(bd_addr_t bd_addr, link_key_t link_key, link_key_type_t * link_key_type) {
set_path(bd_addr);
return read_link_key(keypath, link_key, link_key_type);
}
static void delete_link_key(bd_addr_t bd_addr){
set_path(bd_addr);
if (access(keypath, R_OK)) return;
if(remove(keypath) != 0){
log_error("File %s could not be deleted.\n", keypath);
}
}
static int iterator_init(btstack_link_key_iterator_t * it){
tinydir_dir * dir = malloc(sizeof(tinydir_dir));
if (!dir) return 0;
it->context = dir;
tinydir_open(dir, LINK_KEY_PATH);
return 1;
}
static int iterator_get_next(btstack_link_key_iterator_t * it, bd_addr_t bd_addr, link_key_t link_key, link_key_type_t * type){
(void)bd_addr;
(void)link_key;
UNUSED(type);
tinydir_dir * dir = (tinydir_dir*) it->context;
// construct prefix
strcpy(keypath, LINK_KEY_PREFIX);
strcat(keypath, bd_addr_to_dash_str(local_addr));
strcat(keypath, LINK_KEY_FOR);
while (dir->has_next) {
tinydir_file file;
tinydir_readfile(dir, &file);
tinydir_next(dir);
// compare
if (strncmp(keypath, file.name, strlen(keypath)) == 0){
// parse bd_addr
const int addr_offset = sizeof(LINK_KEY_PREFIX) + LINK_KEY_STRING_LEN + sizeof(LINK_KEY_FOR) - 2; // -1 for each sizeof
sscanf_bd_addr(&file.name[addr_offset], bd_addr);
// path found, read file
strcpy(keypath, LINK_KEY_PATH);
strcat(keypath, file.name);
read_link_key(keypath, link_key, type);
return 1;
}
}
return 0;
}
static void iterator_done(btstack_link_key_iterator_t * it){
tinydir_close((tinydir_dir*)it->context);
free(it->context);
it->context = NULL;
}
static const btstack_link_key_db_t btstack_link_key_db_fs = {
&db_open,
&db_set_local_bd_addr,
@ -197,6 +246,9 @@ static const btstack_link_key_db_t btstack_link_key_db_fs = {
&get_link_key,
&put_link_key,
&delete_link_key,
&iterator_init,
&iterator_get_next,
&iterator_done,
};
const btstack_link_key_db_t * btstack_link_key_db_fs_instance(void){

3
port/libusb/Makefile
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@ -11,7 +11,8 @@ CFLAGS += -g -Wall -Wmissing-prototypes -Wstrict-prototypes -Wshadow -Werror -W
# CFLAGS += -Werror
CFLAGS += -I${BTSTACK_ROOT}/platform/posix \
-I${BTSTACK_ROOT}/platform/embedded
-I${BTSTACK_ROOT}/platform/embedded \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/embedded
VPATH += ${BTSTACK_ROOT}/platform/posix

1
port/posix-h4-atwilc3000/Makefile
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@ -22,6 +22,7 @@ CFLAGS += -g -Wall -Werror \
-I$(BTSTACK_ROOT)/platform/posix \
-I$(BTSTACK_ROOT)/chipset/atwilc3000 \
-I$(BTSTACK_ROOT)/platform/embedded \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/posix
VPATH += ${BTSTACK_ROOT}/chipset/atwilc3000

1
port/posix-h4-da14581/Makefile
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@ -20,6 +20,7 @@ CFLAGS += -g -Wall -Werror \
-I$(BTSTACK_ROOT)/platform/posix \
-I$(BTSTACK_ROOT)/chipset/da14581 \
-I$(BTSTACK_ROOT)/platform/embedded \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/posix
VPATH += ${BTSTACK_ROOT}/chipset/da14581

3
port/posix-h4-zephyr/Makefile
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@ -18,7 +18,8 @@ CFLAGS += -g -Wall -Werror \
-I$(BTSTACK_ROOT)/platform/embedded \
-I$(BTSTACK_ROOT)/platform/posix \
-I$(BTSTACK_ROOT)/chipset/zephyr \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/posix
VPATH += ${BTSTACK_ROOT}/platform/embedded
VPATH += ${BTSTACK_ROOT}/chipset/zephyr

1
port/posix-h4/Makefile
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@ -41,6 +41,7 @@ CFLAGS += -g -Wall -Werror \
-I$(BTSTACK_ROOT)/chipset/em9301 \
-I$(BTSTACK_ROOT)/chipset/stlc2500d \
-I$(BTSTACK_ROOT)/chipset/tc3566x \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/posix
VPATH += ${BTSTACK_ROOT}/platform/embedded

1
port/posix-h5-bcm/Makefile
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@ -24,6 +24,7 @@ CFLAGS += -g -Wall -Werror \
-I$(BTSTACK_ROOT)/platform/embedded \
-I$(BTSTACK_ROOT)/platform/posix \
-I$(BTSTACK_ROOT)/chipset/bcm \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/posix
VPATH += ${BTSTACK_ROOT}/platform/embedded

1
port/posix-h5/Makefile
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@ -34,6 +34,7 @@ CFLAGS += -g -Wall -Werror \
-I$(BTSTACK_ROOT)/chipset/em9301 \
-I$(BTSTACK_ROOT)/chipset/stlc2500d \
-I$(BTSTACK_ROOT)/chipset/tc3566x \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/posix
VPATH += ${BTSTACK_ROOT}/platform/embedded

1
port/windows-h4-zephyr/Makefile
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@ -22,6 +22,7 @@ CFLAGS += -I${BTSTACK_ROOT}/platform/posix \
-I${BTSTACK_ROOT}/platform/windows \
-I${BTSTACK_ROOT}/platform/embedded \
-I$(BTSTACK_ROOT)/chipset/zephyr \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/windows
VPATH += ${BTSTACK_ROOT}/platform/posix

1
port/windows-h4/Makefile
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@ -40,6 +40,7 @@ CFLAGS += -I${BTSTACK_ROOT}/platform/posix \
-I$(BTSTACK_ROOT)/chipset/em9301 \
-I$(BTSTACK_ROOT)/chipset/stlc2500d \
-I$(BTSTACK_ROOT)/chipset/tc3566x \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/windows
VPATH += ${BTSTACK_ROOT}/platform/posix

3
port/windows-winusb/Makefile
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@ -13,7 +13,8 @@ CFLAGS += -g -Wall -Wmissing-prototypes -Wstrict-prototypes -Wshadow -Werror
CFLAGS += -I${BTSTACK_ROOT}/platform/windows \
-I${BTSTACK_ROOT}/platform/posix \
-I${BTSTACK_ROOT}/platform/embedded
-I${BTSTACK_ROOT}/platform/embedded \
-I${BTSTACK_ROOT}/3rd-party/tinydir
VPATH += ${BTSTACK_ROOT}/platform/embedded
VPATH += ${BTSTACK_ROOT}/platform/posix