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SLFS file size hint

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PUBLISHED_FROM=532200881406349585612ea5d59aaa323789a688
This commit is contained in:
Deomid Ryabkov 2016-04-19 17:43:15 +01:00 committed by rojer
parent 063c017bb7
commit bf9a2b45ef
5 changed files with 97 additions and 12 deletions
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1
examples/CC3200/Makefile.build
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@ -31,7 +31,6 @@ SDK_FLAGS = -DUSE_FREERTOS -DSL_PLATFORM_MULTI_THREADED
CFLAGS += -Os -Wall -Werror \
$(SDK_FLAGS) -DCS_PLATFORM=4 -DCC3200_FS_SLFS \
-DFS_SLFS_MAX_FILE_SIZE=262144 \
$(MONGOOSE_FEATURES) $(CFLAGS_EXTRA)
FW_ELF = $(FW_DIR)/$(PROG).axf

36
examples/CC3200/ccs/MG_hello/main.c
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@ -42,6 +42,8 @@
#include "wifi.h"
void fs_slfs_set_new_file_size(const char *name, size_t size);
static const char *upload_form =
"\
<h1>Upload file</h1> \
@ -53,10 +55,18 @@ static const char *upload_form =
static struct mg_str upload_fname(struct mg_connection *nc,
struct mg_str fname) {
struct mg_str lfn;
lfn.len = fname.len + 3;
lfn.p = malloc(lfn.len);
memcpy((char *) lfn.p, "SL:", 3);
memcpy((char *) lfn.p + 3, fname.p, fname.len);
char *fn = malloc(fname.len + 4);
memcpy(fn, "SL:", 3);
memcpy(fn + 3, fname.p, fname.len);
fn[3 + fname.len] = '\0';
if (nc->user_data != NULL) {
intptr_t cl = (intptr_t) nc->user_data;
if (cl >= 0) {
fs_slfs_set_new_file_size(fn + 3, cl);
}
}
lfn.len = fname.len + 4;
lfn.p = fn;
return lfn;
}
@ -96,6 +106,23 @@ void mg_ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
LOG(LL_INFO, ("Connection %p closed", nc));
break;
}
/* SimpleLink FS requires pre-declaring max file size. We use Content-Length
* for that purpose - it will not exactly match file size, but is guaranteed
* to exceed it and should be close enough. */
case MG_EV_HTTP_MULTIPART_REQUEST: {
struct http_message *hm = (struct http_message *) ev_data;
struct mg_str *cl_header = mg_get_http_header(hm, "Content-Length");
intptr_t cl = -1;
if (cl_header != NULL && cl_header->len < 20) {
char buf[20];
memcpy(buf, cl_header->p, cl_header->len);
buf[cl_header->len] = '\0';
cl = atoi(buf);
if (cl < 0) cl = -1;
}
nc->user_data = (void *) cl;
break;
}
case MG_EV_HTTP_PART_BEGIN:
case MG_EV_HTTP_PART_DATA:
case MG_EV_HTTP_PART_END: {
@ -115,6 +142,7 @@ static void mg_init(struct mg_mgr *mgr) {
LOG(LL_INFO, ("MG task running"));
stop_nwp(); /* See function description in wifi.c */
LOG(LL_INFO, ("Starting NWP..."));
int role = sl_Start(0, 0, 0);
if (role < 0) {
LOG(LL_ERROR, ("Failed to start NWP"));

2
examples/CC3200/ccs/Mongoose/.cproject
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@ -29,7 +29,6 @@
<option id="com.ti.ccstudio.buildDefinitions.TMS470_5.2.compilerID.DEFINE.2068422510" name="Pre-define NAME (--define, -D)" superClass="com.ti.ccstudio.buildDefinitions.TMS470_5.2.compilerID.DEFINE" valueType="definedSymbols">
<listOptionValue builtIn="false" value="MG_ENABLE_HTTP_STREAMING_MULTIPART=1"/>
<listOptionValue builtIn="false" value="SL_PLATFORM_MULTI_THREADED=1"/>
<listOptionValue builtIn="false" value="FS_SLFS_MAX_FILE_SIZE=262144"/>
<listOptionValue builtIn="false" value="MG_FS_SLFS=1"/>
<listOptionValue builtIn="false" value="cc3200"/>
</option>
@ -95,7 +94,6 @@
<option id="com.ti.ccstudio.buildDefinitions.TMS470_5.2.compilerID.DEFINE.1633469996" name="Pre-define NAME (--define, -D)" superClass="com.ti.ccstudio.buildDefinitions.TMS470_5.2.compilerID.DEFINE" valueType="definedSymbols">
<listOptionValue builtIn="false" value="MG_ENABLE_HTTP_STREAMING_MULTIPART=1"/>
<listOptionValue builtIn="false" value="SL_PLATFORM_MULTI_THREADED=1"/>
<listOptionValue builtIn="false" value="FS_SLFS_MAX_FILE_SIZE=262144"/>
<listOptionValue builtIn="false" value="MG_FS_SLFS=1"/>
<listOptionValue builtIn="false" value="cc3200"/>
</option>

37
examples/CC3200/main.c
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@ -50,6 +50,8 @@
#define BM222_ADDR 0x18
#define TMP006_ADDR 0x41
void fs_slfs_set_new_file_size(const char *name, size_t size);
static const char *upload_form =
"\
<h1>Upload file</h1> \
@ -61,10 +63,18 @@ static const char *upload_form =
static struct mg_str upload_fname(struct mg_connection *nc,
struct mg_str fname) {
struct mg_str lfn;
lfn.len = fname.len + 3;
lfn.p = malloc(lfn.len);
memcpy((char *) lfn.p, "SL:", 3);
memcpy((char *) lfn.p + 3, fname.p, fname.len);
char *fn = malloc(fname.len + 4);
memcpy(fn, "SL:", 3);
memcpy(fn + 3, fname.p, fname.len);
fn[3 + fname.len] = '\0';
if (nc->user_data != NULL) {
intptr_t cl = (intptr_t) nc->user_data;
if (cl >= 0) {
fs_slfs_set_new_file_size(fn + 3, cl);
}
}
lfn.len = fname.len + 4;
lfn.p = fn;
return lfn;
}
@ -113,6 +123,24 @@ static void mg_ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
case MG_EV_TIMER: {
data_collect();
nc->ev_timer_time = mg_time() + (DATA_COLLECTION_INTERVAL_MS * 0.001);
break;
}
/* SimpleLink FS requires pre-declaring max file size. We use Content-Length
* for that purpose - it will not exactly match file size, but is guaranteed
* to exceed it and should be close enough. */
case MG_EV_HTTP_MULTIPART_REQUEST: {
struct http_message *hm = (struct http_message *) ev_data;
struct mg_str *cl_header = mg_get_http_header(hm, "Content-Length");
intptr_t cl = -1;
if (cl_header != NULL && cl_header->len < 20) {
char buf[20];
memcpy(buf, cl_header->p, cl_header->len);
buf[cl_header->len] = '\0';
cl = atoi(buf);
if (cl < 0) cl = -1;
}
nc->user_data = (void *) cl;
break;
}
case MG_EV_HTTP_PART_BEGIN:
case MG_EV_HTTP_PART_DATA:
@ -133,6 +161,7 @@ static void mg_init(struct mg_mgr *mgr) {
LOG(LL_INFO, ("MG task running"));
stop_nwp(); /* See function description in wifi.c */
LOG(LL_INFO, ("Starting NWP..."));
int role = sl_Start(0, 0, 0);
if (role < 0) {
LOG(LL_ERROR, ("Failed to start NWP"));

33
mongoose.c
View File

@ -10216,6 +10216,8 @@ off_t fs_slfs_lseek(int fd, off_t offset, int whence);
int fs_slfs_unlink(const char *filename);
int fs_slfs_rename(const char *from, const char *to);
void fs_slfs_set_new_file_size(const char *name, size_t size);
#endif /* defined(MG_FS_SLFS) */
#endif /* CS_COMMON_PLATFORMS_SIMPLELINK_SL_FS_SLFS_H_ */
@ -10253,6 +10255,11 @@ extern int set_errno(int e); /* From sl_fs.c */
#define FS_SLFS_MAX_FILE_SIZE (64 * 1024)
#endif
struct sl_file_size_hint {
char *name;
size_t size;
};
struct sl_fd_info {
_i32 fh;
_off_t pos;
@ -10260,6 +10267,7 @@ struct sl_fd_info {
};
static struct sl_fd_info s_sl_fds[MAX_OPEN_SLFS_FILES];
static struct sl_file_size_hint s_sl_file_size_hints[MAX_OPEN_SLFS_FILES];
static int sl_fs_to_errno(_i32 r) {
DBG(("SL error: %d", (int) r));
@ -10309,7 +10317,18 @@ int fs_slfs_open(const char *pathname, int flags, mode_t mode) {
return set_errno(ENOTSUP);
}
if (flags & O_CREAT) {
am = FS_MODE_OPEN_CREATE(FS_SLFS_MAX_FILE_SIZE, 0);
size_t i, size = FS_SLFS_MAX_FILE_SIZE;
for (i = 0; i < MAX_OPEN_SLFS_FILES; i++) {
if (s_sl_file_size_hints[i].name != NULL &&
strcmp(s_sl_file_size_hints[i].name, pathname) == 0) {
size = s_sl_file_size_hints[i].size;
free(s_sl_file_size_hints[i].name);
s_sl_file_size_hints[i].name = NULL;
break;
}
}
DBG(("creating %s with max size %d", pathname, (int) size));
am = FS_MODE_OPEN_CREATE(size, 0);
} else {
am = FS_MODE_OPEN_WRITE;
}
@ -10410,6 +10429,18 @@ int fs_slfs_rename(const char *from, const char *to) {
return set_errno(ENOTSUP);
}
void fs_slfs_set_new_file_size(const char *name, size_t size) {
int i;
for (i = 0; i < MAX_OPEN_SLFS_FILES; i++) {
if (s_sl_file_size_hints[i].name == NULL) {
DBG(("File size hint: %s %d", name, (int) size));
s_sl_file_size_hints[i].name = strdup(name);
s_sl_file_size_hints[i].size = size;
break;
}
}
}
#endif /* defined(MG_FS_SLFS) || defined(CC3200_FS_SLFS) */
#ifdef MG_MODULE_LINES
#line 1 "./src/../../common/platforms/simplelink/sl_fs.c"