// called by download thread itself if download was canceled
Download::~Download()
{
if (http && (keepAlive || downloadCanceled))
http_async_req_close(http);
if (downloadData)
free(downloadData);
}
char *http_async_req_stop(void *ctx, int *ret, int *len)
{
struct http_ctx *cx = ctx;
char *rxd;
if(cx->state != HTS_DONE)
while(!http_async_req_status(ctx)) ;
if(cx->host) {
free(cx->host);
cx->host = NULL;
}
if(cx->path) {
free(cx->path);
cx->path = NULL;
}
if(cx->txd) {
free(cx->txd);
cx->txd = NULL;
cx->txdl = 0;
}
if(cx->hbuf) {
free(cx->hbuf);
cx->hbuf = NULL;
}
if(cx->thdr) {
free(cx->thdr);
cx->thdr = NULL;
cx->thlen = 0;
}
if(ret)
*ret = cx->ret;
if(len)
*len = cx->rptr;
if(cx->rbuf)
cx->rbuf[cx->rptr] = 0;
rxd = cx->rbuf;
cx->rbuf = NULL;
cx->rlen = 0;
cx->rptr = 0;
cx->contlen = 0;
if(!cx->keep)
http_async_req_close(ctx);
else if(cx->cclose) {
PCLOSE(cx->fd);
cx->fd = PERROR;
if(cx->fdhost) {
free(cx->fdhost);
cx->fdhost = NULL;
}
cx->state = HTS_STRT;
} else
cx->state = HTS_IDLE;
return rxd;
}
void *http_async_req_start(void *ctx, const char *uri, const char *data, int dlen, int keep)
{
struct http_ctx *cx = (http_ctx *)ctx;
if (cx && time(NULL) - cx->last > http_timeout)
{
http_force_close(ctx);
http_async_req_close(ctx);
ctx = NULL;
}
if (!ctx)
{
ctx = calloc(1, sizeof(struct http_ctx));
cx = (http_ctx *)ctx;
cx->fd = PERROR;
}
if (!cx->hbuf)
{
cx->hbuf = (char *)malloc(256);
cx->hlen = 256;
}
if (!http_up)
{
cx->ret = 604;
cx->state = HTS_DONE;
return ctx;
}
if (cx->state!=HTS_STRT && cx->state!=HTS_IDLE)
{
fprintf(stderr, "HTTP: unclean request restart state.\n");
exit(1);
}
cx->keep = keep;
cx->ret = 600;
if (splituri(uri, &cx->host, &cx->path))
{
cx->ret = 601;
cx->state = HTS_DONE;
return ctx;
}
if (http_use_proxy)
{
free(cx->path);
cx->path = mystrdup(uri);
}
if (cx->fdhost && strcmp(cx->host, cx->fdhost))
{
free(cx->fdhost);
cx->fdhost = NULL;
PCLOSE(cx->fd);
cx->fd = PERROR;
cx->state = HTS_STRT;
}
if (data)
{
if (!dlen)
dlen = strlen(data);
cx->txd = (char *)malloc(dlen);
memcpy(cx->txd, data, dlen);
cx->txdl = dlen;
}
else
cx->txdl = 0;
cx->contlen = 0;
cx->chunked = 0;
cx->chunkhdr = 0;
cx->rxtogo = 0;
cx->cclose = 0;
cx->tptr = 0;
cx->tlen = 0;
cx->last = time(NULL);
return ctx;
}
