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httpd: pass stream_upload() state through an xdata struct

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This commit is contained in:
bloqaudio
2026-08-30 04:09:30 -05:00
parent b63117ba6c
commit e826180d06
1 changed files with 25 additions and 12 deletions
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httpd/httpd.c
+25 -12
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@@ -401,20 +401,27 @@ static uint16_t preamble_payload_start(uint16_t n)
}
// Source window for stream_upload(); filled by the caller before the call
__xdata struct {
__xdata uint8_t *p;
uint16_t bptr;
uint16_t plen;
} upload_settings;
/*
* Reads post data from the http stream and writes it into flash memory
* Input: the current position in the TCP buffer (uip_appdata)
* Input: upload_settings, set by the caller
* Returns 1: More data to read, 0: Upload complete, all parts reads
*/
uint8_t stream_upload(__xdata uint8_t *p, uint16_t bptr, uint16_t plen)
uint8_t stream_upload(void)
{
__xdata struct httpd_state * __xdata s = &(uip_conn->appstate);
dbg_string("Stream_upload called: ");
dbg_short(bptr); dbg_char('\n');
dbg_short(upload_settings.bptr); dbg_char('\n');
do {
if (bptr >= plen) {
if (upload_settings.bptr >= upload_settings.plen) {
s->tstate = TSTATE_POST;
return 1;
}
@@ -451,15 +458,15 @@ uint8_t stream_upload(__xdata uint8_t *p, uint16_t bptr, uint16_t plen)
flash_region.addr = uptr;
flash_region.len = 1;
flash_write_bytes(flash_buf);
if (bptr >= plen)
if (upload_settings.bptr >= upload_settings.plen)
return 0;
return 1;
}
if (p[bptr] == boundary[bindex]) {
if (upload_settings.p[upload_settings.bptr] == boundary[bindex]) {
if (!bindex)
crc_final = crc_value;
crc16(p + bptr);
bptr++;
crc16(upload_settings.p + upload_settings.bptr);
upload_settings.bptr++;
bindex++;
} else {
if (bindex) {
@@ -467,8 +474,8 @@ uint8_t stream_upload(__xdata uint8_t *p, uint16_t bptr, uint16_t plen)
write_len += bindex;
bindex = 0;
}
crc16(p + bptr);
flash_buf[write_len++] = p[bptr++];
crc16(upload_settings.p + upload_settings.bptr);
flash_buf[write_len++] = upload_settings.p[upload_settings.bptr++];
if (write_len >= FLASH_PAGE_SIZE) {
dbg_string("len: "); dbg_short(write_len); dbg_char(' ');
dbg_string("CRC16: "); dbg_short(crc_value); dbg_char('\n');
@@ -644,7 +651,10 @@ void handle_post(void)
// clear any stale response so the completion check in the
// appcall POST branch cannot send leftovers
slen = 0;
stream_upload(config_buf, cfg_end, pre_acc);
upload_settings.p = config_buf;
upload_settings.bptr = cfg_end;
upload_settings.plen = pre_acc;
stream_upload();
dbg_string("Done reading first fragment\n");
return;
@@ -727,7 +737,10 @@ void httpd_appcall(void)
} else if (uip_newdata() && s->tstate == TSTATE_POST) {
// Check here maxupload by subtracting uip_len and close socekt if fails!
if (max_upload - uip_len > 0) {
stream_upload(uip_appdata, 0, uip_len);
upload_settings.p = uip_appdata;
upload_settings.bptr = 0;
upload_settings.plen = uip_len;
stream_upload();
// A completed part with a built verdict must go out
// through the normal TX path
if (s->tstate == TSTATE_NONE && slen)