static int httpserver_handle_get_mmap(struct mg_connection* conn, void* cbdata)
{
static const char* hexdigits = "0123456789ABCDEF";
const struct mg_request_info* req = mg_get_request_info(conn);
const char* comma = "";
rarch_system_info_t* system;
const struct retro_memory_map* mmaps;
const struct retro_memory_descriptor* mmap;
unsigned id;
uLong buflen;
Bytef* buffer;
if (strcmp(req->request_method, "GET"))
{
return httpserver_error(conn, 405, "Unimplemented method in %s: %s", __FUNCTION__, req->request_method);
}
if (sscanf(req->request_uri, "/mmaps/%u", &id) != 1)
{
return httpserver_error(conn, 500, "Malformed request in %s: %s", __FUNCTION__, req->request_uri);
}
if (!runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system))
{
return httpserver_error(conn, 500, "Could not get system information in %s", __FUNCTION__);
}
mmaps = &system->mmaps;
if (id >= mmaps->num_descriptors)
{
return httpserver_error(conn, 404, "Invalid memory map id in %s: %u", __FUNCTION__, id);
}
mmap = mmaps->descriptors + id;
buflen = compressBound(mmap->len);
buffer = (Bytef*)malloc(((buflen + 3) / 4) * 5);
if (buffer == NULL)
{
return httpserver_error(conn, 500, "Out of memory in %s", __FUNCTION__);
}
if (compress2(buffer, &buflen, (Bytef*)mmap->ptr, mmap->len, Z_BEST_COMPRESSION) != Z_OK)
{
free((void*)buffer);
return httpserver_error(conn, 500, "Error during compression in %s", __FUNCTION__);
}
buffer[buflen] = 0;
buffer[buflen + 1] = 0;
buffer[buflen + 2] = 0;
httpserver_z85_encode_inplace(buffer, (buflen + 3) & ~3);
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n");
mg_printf(conn,
"{"
"\"length\":" STRING_REP_UINT64 ","
"\"compressedLength\":" STRING_REP_ULONG ","
"\"bytesZ85\":\"%s\""
"}",
mmap->len,
(size_t)buflen,
(char*)buffer
);
free((void*)buffer);
return 1;
}
static int httpserver_handle_get_mmap(struct mg_connection* conn, void* cbdata)
{
size_t start, length;
unsigned id;
uLong buflen;
const struct mg_request_info * req = mg_get_request_info(conn);
const char * comma = "";
const struct retro_memory_map* mmaps = NULL;
const struct retro_memory_descriptor* mmap = NULL;
const char* param = NULL;
Bytef* buffer = NULL;
rarch_system_info_t *system = runloop_get_system_info();
if (strcmp(req->request_method, "GET"))
return httpserver_error(conn, 405, "Unimplemented method in %s: %s", __FUNCTION__, req->request_method);
if (sscanf(req->request_uri, "/" MEMORY_MAP "/%u", &id) != 1)
return httpserver_error(conn, 500, "Malformed request in %s: %s", __FUNCTION__, req->request_uri);
mmaps = &system->mmaps;
if (id >= mmaps->num_descriptors)
return httpserver_error(conn, 404, "Invalid memory map id in %s: %u", __FUNCTION__, id);
mmap = mmaps->descriptors + id;
start = 0;
length = mmap->len;
if (req->query_string != NULL)
{
param = strstr(req->query_string, "start=");
if (param != NULL)
start = atoll(param + 6);
param = strstr(req->query_string, "length=");
if (param != NULL)
length = atoll(param + 7);
}
if (start >= mmap->len)
start = mmap->len - 1;
if (length > mmap->len - start)
length = mmap->len - start;
buflen = compressBound(length);
buffer = (Bytef*)malloc(((buflen + 3) / 4) * 5);
if (buffer == NULL)
return httpserver_error(conn, 500, "Out of memory in %s", __FUNCTION__);
if (compress2(buffer, &buflen, (Bytef*)mmap->ptr + start, length, Z_BEST_COMPRESSION) != Z_OK)
{
free((void*)buffer);
return httpserver_error(conn, 500, "Error during compression in %s", __FUNCTION__);
}
buffer[buflen] = 0;
buffer[buflen + 1] = 0;
buffer[buflen + 2] = 0;
httpserver_z85_encode_inplace(buffer, (buflen + 3) & ~3);
mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n");
mg_printf(conn,
"{"
"\"start\":" STRING_REP_ULONG ","
"\"length\":" STRING_REP_ULONG ","
"\"compression\":\"deflate\","
"\"compressedLength\":" STRING_REP_ULONG ","
"\"encoding\":\"Z85\","
"\"data\":\"%s\""
"}",
start,
length,
(size_t)buflen,
(char*)buffer
);
free((void*)buffer);
return 1;
}
