unsigned long bytes_received;
struct downloadinfo_s *next, *prev;
qboolean forthismap;
+
+ unsigned char *buffer;
+ size_t buffersize;
+ curl_callback_t callback;
+ void *callback_data;
}
downloadinfo;
static downloadinfo *downloads = NULL;
*/
static size_t CURL_fwrite(void *data, size_t size, size_t nmemb, void *vdi)
{
- fs_offset_t ret;
+ fs_offset_t ret = -1;
size_t bytes = size * nmemb;
downloadinfo *di = (downloadinfo *) vdi;
+ if(di->buffer)
+ {
+ if(di->bytes_received + bytes <= di->buffersize)
+ {
+ memcpy(di->buffer + di->bytes_received, data, bytes);
+ ret = bytes;
+ }
+ // otherwise: buffer overrun, ret stays -1
+ }
+
+ if(di->stream)
+ {
+ ret = FS_Write(di->stream, data, bytes);
+ }
+
bytes_received += bytes;
di->bytes_received += bytes;
- ret = FS_Write(di->stream, data, bytes);
-
return ret; // why not ret / nmemb?
}
}
CurlStatus;
+static void curl_default_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+ downloadinfo *di = (downloadinfo *) cbdata;
+ switch(status)
+ {
+ case CURLCBSTATUS_OK:
+ Con_Printf("Download of %s: OK\n", di->filename);
+ break;
+ case CURLCBSTATUS_FAILED:
+ Con_Printf("Download of %s: FAILED\n", di->filename);
+ break;
+ case CURLCBSTATUS_ABORTED:
+ Con_Printf("Download of %s: ABORTED\n", di->filename);
+ break;
+ case CURLCBSTATUS_SERVERERROR:
+ Con_Printf("Download of %s: (unknown server error)\n", di->filename);
+ break;
+ case CURLCBSTATUS_UNKNOWN:
+ Con_Printf("Download of %s: (unknown client error)\n", di->filename);
+ break;
+ default:
+ Con_Printf("Download of %s: %d\n", di->filename, status);
+ break;
+ }
+}
+
+static void curl_quiet_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+ if(developer.integer)
+ curl_default_callback(status, length_received, buffer, cbdata);
+}
+
/*
====================
Curl_EndDownload
switch(status)
{
case CURL_DOWNLOAD_SUCCESS:
- Con_Printf("Download of %s: OK\n", di->filename);
ok = true;
+ di->callback(CURLCBSTATUS_OK, di->bytes_received, di->buffer, di->callback_data);
break;
case CURL_DOWNLOAD_FAILED:
- Con_Printf("Download of %s: FAILED\n", di->filename);
- if(error)
- Con_Printf("Reason given by libcurl: %s\n", qcurl_easy_strerror(error));
+ di->callback(CURLCBSTATUS_FAILED, di->bytes_received, di->buffer, di->callback_data);
break;
case CURL_DOWNLOAD_ABORTED:
- Con_Printf("Download of %s: ABORTED\n", di->filename);
+ di->callback(CURLCBSTATUS_ABORTED, di->bytes_received, di->buffer, di->callback_data);
break;
case CURL_DOWNLOAD_SERVERERROR:
- Con_Printf("Download of %s: %d\n", di->filename, (int) error);
-
// reopen to enforce it to have zero bytes again
- FS_Close(di->stream);
- di->stream = FS_Open(di->filename, "w", false, false);
+ if(di->stream)
+ {
+ FS_Close(di->stream);
+ di->stream = FS_OpenRealFile(di->filename, "wb", false);
+ }
+ if(di->callback)
+ di->callback(error ? (int) error : CURLCBSTATUS_SERVERERROR, di->bytes_received, di->buffer, di->callback_data);
+ break;
+ default:
+ if(di->callback)
+ di->callback(CURLCBSTATUS_UNKNOWN, di->bytes_received, di->buffer, di->callback_data);
break;
}
{
if(!di->started)
{
- Con_Printf("Downloading %s -> %s", di->url, di->filename);
+ if(!di->buffer)
+ {
+ Con_Printf("Downloading %s -> %s", di->url, di->filename);
- di->stream = FS_Open(di->filename, "ab", false, false);
- if(!di->stream)
+ di->stream = FS_OpenRealFile(di->filename, "ab", false);
+ if(!di->stream)
+ {
+ Con_Printf("\nFAILED: Could not open output file %s\n", di->filename);
+ Curl_EndDownload(di, CURL_DOWNLOAD_FAILED, CURLE_OK);
+ return;
+ }
+ FS_Seek(di->stream, 0, SEEK_END);
+ di->startpos = FS_Tell(di->stream);
+
+ if(di->startpos > 0)
+ Con_Printf(", resuming from position %ld", (long) di->startpos);
+ Con_Print("...\n");
+ }
+ else
{
- Con_Printf("\nFAILED: Could not open output file %s\n", di->filename);
- Curl_EndDownload(di, CURL_DOWNLOAD_FAILED, CURLE_OK);
- return;
+ Con_DPrintf("Downloading %s -> memory\n", di->url);
+ di->startpos = 0;
}
- FS_Seek(di->stream, 0, SEEK_END);
- di->startpos = FS_Tell(di->stream);
- if(di->startpos > 0)
- Con_Printf(", resuming from position %ld", (long) di->startpos);
- Con_Print("...\n");
-
di->curle = qcurl_easy_init();
qcurl_easy_setopt(di->curle, CURLOPT_URL, di->url);
qcurl_easy_setopt(di->curle, CURLOPT_USERAGENT, engineversion);
return NULL;
}
+void Curl_Cancel_ToMemory(curl_callback_t callback, void *cbdata)
+{
+ downloadinfo *di;
+ if(!curl_dll)
+ return;
+ for(di = downloads; di; )
+ {
+ if(di->callback == callback && di->callback_data == cbdata)
+ {
+ di->callback = curl_quiet_callback; // do NOT call the callback
+ Curl_EndDownload(di, CURL_DOWNLOAD_ABORTED, CURLE_OK);
+ di = downloads;
+ }
+ else
+ di = di->next;
+ }
+}
+
/*
====================
Curl_Begin
if given) in the "dlcache/" folder.
====================
*/
-void Curl_Begin(const char *URL, const char *name, qboolean ispak, qboolean forthismap)
+static qboolean Curl_Begin(const char *URL, const char *name, qboolean ispak, qboolean forthismap, unsigned char *buf, size_t bufsize, curl_callback_t callback, void *cbdata)
{
if(!curl_dll)
- return;
+ {
+ return false;
+ }
else
{
char fn[MAX_QPATH];
if(!name)
name = URL;
- p = strrchr(name, '/');
- p = p ? (p+1) : name;
- q = strchr(p, '?');
- length = q ? (size_t)(q - p) : strlen(p);
- dpsnprintf(fn, sizeof(fn), "dlcache/%.*s", (int)length, p);
- if(cls.demorecording)
+ if(!buf)
{
- void *demobuf; fs_offset_t demofilesize;
- char msg[MAX_QPATH + 16];
- sizebuf_t sb;
-
- sb.data = (void *) msg;
- sb.maxsize = sizeof(msg);
- SZ_Clear(&sb);
- MSG_WriteByte(&sb, svc_stufftext);
- MSG_WriteString(&sb, va("\ncurl --pak \"%.*s\"\n", (int)length, p));
-
- CL_CutDemo(&demobuf, &demofilesize);
- CL_WriteDemoMessage(&sb);
- CL_PasteDemo(&demobuf, &demofilesize);
- }
+ p = strrchr(name, '/');
+ p = p ? (p+1) : name;
+ q = strchr(p, '?');
+ length = q ? (size_t)(q - p) : strlen(p);
+ dpsnprintf(fn, sizeof(fn), "dlcache/%.*s", (int)length, p);
- // already downloading the file?
- {
- downloadinfo *di = Curl_Find(fn);
- if(di)
- {
- Con_Printf("Can't download %s, already getting it from %s!\n", fn, di->url);
-
- // however, if it was not for this map yet...
- if(forthismap && !di->forthismap)
- {
- di->forthismap = true;
- // this "fakes" a download attempt so the client will wait for
- // the download to finish and then reconnect
- ++numdownloads_added;
- }
-
- return;
- }
- }
+ name = fn; // make it point back
- if(ispak && FS_FileExists(fn))
- {
- qboolean already_loaded;
- if(FS_AddPack(fn, &already_loaded, true))
+ // already downloading the file?
{
- Con_DPrintf("%s already exists, not downloading!\n", fn);
- if(already_loaded)
- Con_DPrintf("(pak was already loaded)\n");
- else
+ downloadinfo *di = Curl_Find(fn);
+ if(di)
{
- if(forthismap)
+ Con_Printf("Can't download %s, already getting it from %s!\n", fn, di->url);
+
+ // however, if it was not for this map yet...
+ if(forthismap && !di->forthismap)
{
+ di->forthismap = true;
+ // this "fakes" a download attempt so the client will wait for
+ // the download to finish and then reconnect
++numdownloads_added;
- ++numdownloads_success;
}
+
+ return false;
}
- return;
}
- else
+
+ if(ispak && FS_FileExists(fn))
{
- qfile_t *f = FS_Open(fn, "rb", false, false);
- if(f)
+ qboolean already_loaded;
+ if(FS_AddPack(fn, &already_loaded, true))
{
- char buf[4] = {0};
- FS_Read(f, buf, sizeof(buf)); // no "-1", I will use memcmp
-
- if(memcmp(buf, "PK\x03\x04", 4) && memcmp(buf, "PACK", 4))
+ Con_DPrintf("%s already exists, not downloading!\n", fn);
+ if(already_loaded)
+ Con_DPrintf("(pak was already loaded)\n");
+ else
{
- Con_DPrintf("Detected non-PAK %s, clearing and NOT resuming.\n", fn);
- FS_Close(f);
- f = FS_Open(fn, "w", false, false);
- if(f)
- FS_Close(f);
+ if(forthismap)
+ {
+ ++numdownloads_added;
+ ++numdownloads_success;
+ }
}
- else
+
+ return false;
+ }
+ else
+ {
+ qfile_t *f = FS_OpenVirtualFile(fn, false);
+ if(f)
{
- // OK
- FS_Close(f);
+ char buf[4] = {0};
+ FS_Read(f, buf, sizeof(buf)); // no "-1", I will use memcmp
+
+ if(memcmp(buf, "PK\x03\x04", 4) && memcmp(buf, "PACK", 4))
+ {
+ Con_DPrintf("Detected non-PAK %s, clearing and NOT resuming.\n", fn);
+ FS_Close(f);
+ f = FS_OpenRealFile(fn, "wb", false);
+ if(f)
+ FS_Close(f);
+ }
+ else
+ {
+ // OK
+ FS_Close(f);
+ }
}
}
}
}
+ // if we get here, we actually want to download... so first verify the
+ // URL scheme (so one can't read local files using file://)
+ if(strncmp(URL, "http://", 7) && strncmp(URL, "ftp://", 6) && strncmp(URL, "https://", 8))
+ {
+ Con_Printf("Curl_Begin(\"%s\")): nasty URL scheme rejected\n", URL);
+ return false;
+ }
+
if(forthismap)
++numdownloads_added;
di = (downloadinfo *) Z_Malloc(sizeof(*di));
- strlcpy(di->filename, fn, sizeof(di->filename));
+ strlcpy(di->filename, name, sizeof(di->filename));
strlcpy(di->url, URL, sizeof(di->url));
dpsnprintf(di->referer, sizeof(di->referer), "dp://%s/", cls.netcon ? cls.netcon->address : "notconnected.invalid");
di->forthismap = forthismap;
di->prev = NULL;
if(di->next)
di->next->prev = di;
+
+ di->buffer = buf;
+ di->buffersize = bufsize;
+ if(callback == NULL)
+ {
+ di->callback = curl_default_callback;
+ di->callback_data = di;
+ }
+ else
+ {
+ di->callback = callback;
+ di->callback_data = cbdata;
+ }
+
downloads = di;
+ return true;
}
}
+qboolean Curl_Begin_ToFile(const char *URL, const char *name, qboolean ispak, qboolean forthismap)
+{
+ return Curl_Begin(URL, name, ispak, forthismap, NULL, 0, NULL, NULL);
+}
+qboolean Curl_Begin_ToMemory(const char *URL, unsigned char *buf, size_t bufsize, curl_callback_t callback, void *cbdata)
+{
+ return Curl_Begin(URL, NULL, false, false, buf, bufsize, callback, cbdata);
+}
/*
====================
}
needthefile:
- Curl_Begin(url, name, pak, forthismap);
+ Curl_Begin_ToFile(url, name, pak, forthismap);
+}
+
+/*
+static void curl_curlcat_callback(int code, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+ Con_Printf("Received %d bytes (status %d):\n%.*s\n", (int) length_received, code, (int) length_received, buffer);
+ Z_Free(buffer);
}
+void Curl_CurlCat_f(void)
+{
+ unsigned char *buf;
+ const char *url = Cmd_Argv(1);
+ buf = Z_Malloc(16384);
+ Curl_Begin_ToMemory(url, buf, 16384, curl_curlcat_callback, NULL);
+}
+*/
+
/*
====================
Curl_Init_Commands
Cvar_RegisterVariable (&sv_curl_defaulturl);
Cvar_RegisterVariable (&sv_curl_serverpackages);
Cmd_AddCommand ("curl", Curl_Curl_f, "download data from an URL and add to search path");
+ //Cmd_AddCommand ("curlcat", Curl_CurlCat_f, "display data from an URL (debugging command)");
}
/*
*/
Curl_downloadinfo_t *Curl_GetDownloadInfo(int *nDownloads, const char **additional_info)
{
- int n, i;
+ int i;
downloadinfo *di;
Curl_downloadinfo_t *downinfo;
static char addinfo[128];
return NULL;
}
- n = 0;
+ i = 0;
for(di = downloads; di; di = di->next)
- ++n;
+ ++i;
- downinfo = (Curl_downloadinfo_t *) Z_Malloc(sizeof(*downinfo) * n);
+ downinfo = (Curl_downloadinfo_t *) Z_Malloc(sizeof(*downinfo) * i);
i = 0;
for(di = downloads; di; di = di->next)
{
+ // do not show infobars for background downloads
+ if(!developer.integer)
+ if(di->buffer)
+ continue;
strlcpy(downinfo[i].filename, di->filename, sizeof(downinfo[i].filename));
if(di->curle)
{
*additional_info = NULL;
}
- *nDownloads = n;
+ *nDownloads = i;
return downinfo;
}
projects / xonotic / darkplaces.git / blobdiff