mirror of
https://github.com/yquake2/yquake2remaster.git
synced 2024-11-26 06:20:48 +00:00
Load libcurl.so at runtime.
Loading libcurl at runtime instead of linking it at compile time makes things a lot easier and more reliable on Windows. On other platform libcurl can be installed as optional dependency instead as an hard one.
This commit is contained in:
Yamagi Burmeister
parent
cd1b67e489
commit
c0a6e4270f
4 changed files with 349 additions and 33 deletions
6
Makefile
6
Makefile
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@ -352,6 +352,10 @@ build/client/%.o: %.c
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release/yquake2.exe : LDFLAGS += -mwindows
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ifeq ($(WITH_CURL),yes)
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release/quake2 : CFLAGS += -DUSE_CURL
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endif
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ifeq ($(WITH_OPENAL),yes)
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release/yquake2.exe : CFLAGS += -DUSE_OPENAL -DDEFAULT_OPENAL_DRIVER='"openal32.dll"'
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endif
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@ -379,7 +383,6 @@ release/quake2 : CFLAGS += -Wno-unused-result
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ifeq ($(WITH_CURL),yes)
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release/quake2 : CFLAGS += -DUSE_CURL
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release/quake2 : LDFLAGS += -lcurl
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endif
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ifeq ($(WITH_OPENAL),yes)
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@ -690,6 +693,7 @@ CLIENT_OBJS_ := \
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src/client/cl_screen.o \
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src/client/cl_tempentities.o \
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src/client/cl_view.o \
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src/client/curl/qcurl.o \
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src/client/input/sdl.o \
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src/client/menu/menu.o \
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src/client/menu/qmenu.o \
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@ -27,6 +27,7 @@
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#include <ctype.h>
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#include "header/client.h"
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#include "curl/header/qcurl.h"
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#ifdef USE_CURL
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@ -66,7 +67,7 @@ static size_t CL_HTTP_Recv(void *ptr, size_t size, size_t nmemb, void *stream)
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{
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double length = 0;
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curl_easy_getinfo(dl->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &length);
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qcurl_easy_getinfo(dl->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &length);
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// Mkay, the remote file should be at least one byte long.
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// Since this is used for paclists only we assume that the
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@ -198,33 +199,33 @@ static void CL_StartHTTPDownload (dlqueue_t *entry, dlhandle_t *dl)
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// Setup and configure the CURL part of our download handle.
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if (!dl->curl)
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{
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dl->curl = curl_easy_init();
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dl->curl = qcurl_easy_init();
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}
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Com_sprintf(dl->URL, sizeof(dl->URL), "%s%s", cls.downloadServer, escapedFilePath);
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curl_easy_setopt(dl->curl, CURLOPT_ENCODING, "");
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qcurl_easy_setopt(dl->curl, CURLOPT_ENCODING, "");
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if (dl->file)
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{
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curl_easy_setopt(dl->curl, CURLOPT_WRITEDATA, dl->file);
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curl_easy_setopt(dl->curl, CURLOPT_WRITEFUNCTION, NULL);
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qcurl_easy_setopt(dl->curl, CURLOPT_WRITEDATA, dl->file);
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qcurl_easy_setopt(dl->curl, CURLOPT_WRITEFUNCTION, NULL);
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}
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else
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{
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curl_easy_setopt(dl->curl, CURLOPT_WRITEDATA, dl);
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curl_easy_setopt(dl->curl, CURLOPT_WRITEFUNCTION, CL_HTTP_Recv);
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qcurl_easy_setopt(dl->curl, CURLOPT_WRITEDATA, dl);
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qcurl_easy_setopt(dl->curl, CURLOPT_WRITEFUNCTION, CL_HTTP_Recv);
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}
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curl_easy_setopt(dl->curl, CURLOPT_PROXY, cl_http_proxy->string);
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curl_easy_setopt(dl->curl, CURLOPT_FOLLOWLOCATION, 1);
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curl_easy_setopt(dl->curl, CURLOPT_MAXREDIRS, 5);
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curl_easy_setopt(dl->curl, CURLOPT_PROGRESSDATA, dl);
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curl_easy_setopt(dl->curl, CURLOPT_USERAGENT, Cvar_VariableString ("version"));
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curl_easy_setopt(dl->curl, CURLOPT_REFERER, cls.downloadReferer);
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curl_easy_setopt(dl->curl, CURLOPT_URL, dl->URL);
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qcurl_easy_setopt(dl->curl, CURLOPT_PROXY, cl_http_proxy->string);
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qcurl_easy_setopt(dl->curl, CURLOPT_FOLLOWLOCATION, 1);
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qcurl_easy_setopt(dl->curl, CURLOPT_MAXREDIRS, 5);
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qcurl_easy_setopt(dl->curl, CURLOPT_PROGRESSDATA, dl);
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qcurl_easy_setopt(dl->curl, CURLOPT_USERAGENT, Cvar_VariableString ("version"));
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qcurl_easy_setopt(dl->curl, CURLOPT_REFERER, cls.downloadReferer);
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qcurl_easy_setopt(dl->curl, CURLOPT_URL, dl->URL);
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if (curl_multi_add_handle (multi, dl->curl) != CURLM_OK)
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if (qcurl_multi_add_handle(multi, dl->curl) != CURLM_OK)
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{
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Com_Printf("HTTP download: cURL error\n");
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dl->queueEntry->state = DLQ_STATE_DONE;
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@ -473,7 +474,7 @@ static void CL_FinishHTTPDownload(void)
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do
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{
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// Get a message from CURL.
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CURLMsg *msg = curl_multi_info_read(multi, &msgs_in_queue);
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CURLMsg *msg = qcurl_multi_info_read(multi, &msgs_in_queue);
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if (!msg)
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{
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@ -551,7 +552,7 @@ static void CL_FinishHTTPDownload(void)
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{
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case CURLE_HTTP_RETURNED_ERROR:
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case CURLE_OK:
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curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &responseCode);
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qcurl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &responseCode);
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if (responseCode == 404)
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{
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@ -564,7 +565,7 @@ static void CL_FinishHTTPDownload(void)
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}
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// ...and remove it from the CURL multihandle.
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curl_multi_remove_handle(multi, dl->curl);
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qcurl_multi_remove_handle(multi, dl->curl);
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Com_Printf("HTTP download: %s - File Not Found\n", dl->queueEntry->quakePath);
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@ -597,7 +598,7 @@ static void CL_FinishHTTPDownload(void)
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}
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// ...and the handle from CURLs mutihandle.
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curl_multi_remove_handle (multi, dl->curl);
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qcurl_multi_remove_handle(multi, dl->curl);
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// Special case: We're already aborting HTTP downloading,
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// so we can't just kill everything. Otherwise we'll get
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@ -614,7 +615,7 @@ static void CL_FinishHTTPDownload(void)
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break;
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default:
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Com_Printf ("HTTP download: cURL error - %s\n", curl_easy_strerror(result));
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Com_Printf ("HTTP download: cURL error - %s\n", qcurl_easy_strerror(result));
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i = strlen(dl->queueEntry->quakePath);
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@ -625,7 +626,7 @@ static void CL_FinishHTTPDownload(void)
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}
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// ...and the handle from CURLs mutihandle.
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curl_multi_remove_handle (multi, dl->curl);
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qcurl_multi_remove_handle (multi, dl->curl);
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continue;
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break;
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@ -651,7 +652,7 @@ static void CL_FinishHTTPDownload(void)
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}
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// Remove the file fo CURLs multihandle.
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curl_multi_remove_handle (multi, dl->curl);
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qcurl_multi_remove_handle (multi, dl->curl);
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} while (msgs_in_queue > 0);
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@ -736,7 +737,11 @@ static void CL_StartNextHTTPDownload(void)
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*/
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void CL_InitHTTPDownloads (void)
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{
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curl_global_init (CURL_GLOBAL_NOTHING);
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// We're initializing the cURL backend here because
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// currently we're the only user. As soon as there
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// are other users this must be moved up into the
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// global client intialization.
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qcurlInit();
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}
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/*
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@ -771,8 +776,11 @@ void CL_HTTP_Cleanup(qboolean fullShutdown)
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if (dl->curl)
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{
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if (multi)
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curl_multi_remove_handle (multi, dl->curl);
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curl_easy_cleanup (dl->curl);
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{
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qcurl_multi_remove_handle(multi, dl->curl);
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}
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qcurl_easy_cleanup(dl->curl);
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dl->curl = NULL;
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}
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@ -782,14 +790,17 @@ void CL_HTTP_Cleanup(qboolean fullShutdown)
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// Cleanup CURL multihandle.
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if (multi)
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{
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curl_multi_cleanup(multi);
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qcurl_multi_cleanup(multi);
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multi = NULL;
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}
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// Shutdown CURL.
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if (fullShutdown)
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{
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curl_global_cleanup ();
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// This must be moved up into the generic
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// client shutdown as soon as there're
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// other users of the cURL backend.
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qcurlShutdown();
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httpDown = true;
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}
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}
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@ -807,6 +818,16 @@ void CL_SetHTTPServer (const char *URL)
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dlqueue_t *last = NULL;
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dlqueue_t *q = &cls.downloadQueue;
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// This code abuses the download server setting to
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// determine if HTTP downloads are possible. So if
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// we don't set a download server, no downloads are
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// queued and run. :)
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if (!qcurlInitialized)
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{
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cls.downloadServer[0] = 0;
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return;
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}
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CL_HTTP_Cleanup(false);
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// Cleanup download queues.
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@ -841,7 +862,7 @@ void CL_SetHTTPServer (const char *URL)
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Com_Error(ERR_DROP, "HTTP download: Still have old handle?!");
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}
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multi = curl_multi_init();
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multi = qcurl_multi_init();
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}
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/*
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@ -981,10 +1002,10 @@ qboolean CL_PendingHTTPDownloads(void)
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*/
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void CL_RunHTTPDownloads(void)
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{
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int newHandleCount;
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CURLMcode ret;
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int newHandleCount;
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CURLMcode ret;
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// No HTTP server given.
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// No HTTP server given or not initialized.
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if (!cls.downloadServer[0])
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{
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return;
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@ -993,7 +1014,7 @@ void CL_RunHTTPDownloads(void)
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// Kick CURL into action.
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do
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{
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ret = curl_multi_perform(multi, &newHandleCount);
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ret = qcurl_multi_perform(multi, &newHandleCount);
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if (newHandleCount < handleCount)
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{
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70
src/client/curl/header/qcurl.h
Normal file
70
src/client/curl/header/qcurl.h
Normal file
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@ -0,0 +1,70 @@
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/*
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* Copyright (C) 2018 Yamagi
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* =======================================================================
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*
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* CURL backend for Quake II.
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*
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* =======================================================================
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*/
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#ifdef USE_CURL
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#ifndef QCURL_H
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#define QCURL_H
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// --------
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#include <curl/curl.h>
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#include "../../../common/header/common.h"
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// --------
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// True if cURL is initialized.
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extern qboolean qcurlInitialized;
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// Function pointers to cURL.
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extern void (*qcurl_easy_cleanup)(CURL *curl);
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extern CURL *(*qcurl_easy_init)(void);
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extern CURLcode (*qcurl_easy_getinfo)(CURL *curl, CURLINFO info, ...);
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extern CURLcode (*qcurl_easy_setopt)(CURL *curl, CURLoption option, ...);
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extern const char *(*qcurl_easy_strerror)(CURLcode);
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extern void (*qcurl_global_cleanup)(void);
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extern CURLcode (*qcurl_global_init)(long flags);
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extern CURLMcode (*qcurl_multi_add_handle)(CURLM *multi_handle, CURL *curl_handle);
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extern CURLMcode (*qcurl_multi_cleanup)(CURLM *multi_handle);
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extern CURLMsg *(*qcurl_multi_info_read)(CURLM *multi_handle, int *msgs_in_queue);
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extern CURLM *(*qcurl_multi_init)(void);
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extern CURLMcode (*qcurl_multi_perform)(CURLM *multi_handle, int *running_handles);
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extern CURLMcode (*qcurl_multi_remove_handle)(CURLM *multi_handle, CURL *curl_handle);
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// --------
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// Loads and initialized cURL.
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qboolean qcurlInit(void);
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// Shuts cURL down and unloads it.
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void qcurlShutdown(void);
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// --------
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#endif // QCURL_H
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#endif // USE_CURL
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221
src/client/curl/qcurl.c
Normal file
221
src/client/curl/qcurl.c
Normal file
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@ -0,0 +1,221 @@
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/*
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* Copyright (C) 2018 Yamagi
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
|
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* =======================================================================
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*
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* CURL backend for Quake II.
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*
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* =======================================================================
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*/
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#ifdef USE_CURL
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// --------
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#include <curl/curl.h>
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#include "header/qcurl.h"
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#include "../../common/header/common.h"
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// --------
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// True if cURL is initialized.
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qboolean qcurlInitialized;
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// Pointer to the dynamic library.
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static void *curlhandle;
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// CVars
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static cvar_t *cl_libcurl;
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// Function pointers to cURL.
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void (*qcurl_easy_cleanup)(CURL *curl);
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CURL *(*qcurl_easy_init)(void);
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CURLcode (*qcurl_easy_getinfo)(CURL *curl, CURLINFO info, ...);
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CURLcode (*qcurl_easy_setopt)(CURL *curl, CURLoption option, ...);
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const char *(*qcurl_easy_strerror)(CURLcode);
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void (*qcurl_global_cleanup)(void);
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CURLcode (*qcurl_global_init)(long flags);
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CURLMcode (*qcurl_multi_add_handle)(CURLM *multi_handle, CURL *curl_handle);
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CURLMcode (*qcurl_multi_cleanup)(CURLM *multi_handle);
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CURLMsg *(*qcurl_multi_info_read)(CURLM *multi_handle, int *msgs_in_queue);
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CURLM *(*qcurl_multi_init)(void);
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CURLMcode (*qcurl_multi_perform)(CURLM *multi_handle, int *running_handles);
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CURLMcode (*qcurl_multi_remove_handle)(CURLM *multi_handle, CURL *curl_handle);
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// --------
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/*
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* Load libcurl, connect the function pointer
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* and call cURLs global init function.
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*/
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qboolean qcurlInit(void)
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{
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Com_Printf("------- curl initialization -------\n");
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assert(!qcurlInitialized && "cURL already initialized?!");
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// Most systems have only one distinct name for the
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// libcurl, loading that one will be successfull in
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// at least 99% of all cases. But Linux, the mother
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// of chaos, is more complicated. Debian / Ubuntu
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// alone has 6 possible names... So:
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// - Let's try whatever the user has written into
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// the cl_libcurl cvar first.
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// - If that fails try all possible names until we
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// find a working one.
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// - If we found one put it into cl_libcurl, so we
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// don't need to iterate trought the whole list
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// the next time the game is started.
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// - If we found none error out.
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#ifdef __APPLE__
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const char *libcurl[] = { "libcurl.dylib", NULL };
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#elif __linux__
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const char *libcurl[] = { "libcurl.so", "libcurl.so.3", "libcurl.so.4", "libcurl-gnutls.so.3",
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"libcurl-gnutls.so.4", "libcurl-nss.so.3", "libcurl-nss.so.4", NULL };
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#elif _WIN32
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const char *libcurl[] = { "curl.dll", NULL };
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#else
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const char *libcurl[] = { "libcurl.so", NULL };
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#endif
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// Mkay, let's try to find a working libcurl.
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cl_libcurl = Cvar_Get("cl_libcurl", (char *)libcurl[0], CVAR_ARCHIVE);
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Com_Printf("LoadLibrary(%s)\n", cl_libcurl->string);
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Sys_LoadLibrary(cl_libcurl->string, NULL, &curlhandle);
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if (!curlhandle)
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{
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Com_Printf("Loading %s failed!\n", cl_libcurl->string);
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for (int i = 0; libcurl[i] != NULL; i++)
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{
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// Tried that one already.
|
||||
if (!strcmp(cl_libcurl->string, libcurl[i]))
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
Com_Printf("LoadLibrary(%s)\n", libcurl[i]);
|
||||
Sys_LoadLibrary(libcurl[i], NULL, &curlhandle);
|
||||
|
||||
if (!curlhandle)
|
||||
{
|
||||
// No luck with this one.
|
||||
Com_Printf("Loading %s failed!\n", libcurl[i]);
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Got one!
|
||||
Cvar_Set("cl_libcurl", (char *)libcurl[i]);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!curlhandle)
|
||||
{
|
||||
goto error;
|
||||
}
|
||||
}
|
||||
|
||||
// libcurl loaded sucessfully, connect the pointers.
|
||||
#define CONCURL(var, sym) do { \
|
||||
var = Sys_GetProcAddress(curlhandle, sym); \
|
||||
if (!var) goto error; \
|
||||
} while(0)
|
||||
|
||||
CONCURL(qcurl_easy_cleanup, "curl_easy_cleanup");
|
||||
CONCURL(qcurl_easy_init, "curl_easy_init");
|
||||
CONCURL(qcurl_easy_getinfo, "curl_easy_getinfo");
|
||||
CONCURL(qcurl_easy_setopt, "curl_easy_setopt");
|
||||
CONCURL(qcurl_easy_strerror, "curl_easy_strerror");
|
||||
|
||||
CONCURL(qcurl_global_cleanup, "curl_global_cleanup");
|
||||
CONCURL(qcurl_global_init, "curl_global_init");
|
||||
|
||||
CONCURL(qcurl_multi_add_handle, "curl_multi_add_handle");
|
||||
CONCURL(qcurl_multi_cleanup, "curl_multi_cleanup");
|
||||
CONCURL(qcurl_multi_info_read, "curl_multi_info_read");
|
||||
CONCURL(qcurl_multi_init, "curl_multi_init");
|
||||
CONCURL(qcurl_multi_perform, "curl_multi_perform");
|
||||
CONCURL(qcurl_multi_remove_handle, "curl_multi_remove_handle");
|
||||
|
||||
#undef CONCURL
|
||||
|
||||
// And finally the global cURL initialization.
|
||||
qcurl_global_init(CURL_GLOBAL_NOTHING);
|
||||
qcurlInitialized = true;
|
||||
|
||||
Com_Printf("------------------------------------\n\n");
|
||||
|
||||
return true;
|
||||
|
||||
error:
|
||||
qcurlShutdown();
|
||||
|
||||
Com_Printf("------------------------------------\n\n");
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
* Calls cURLs global shutdown funtion,
|
||||
* unloads libcurl and set the function
|
||||
* pointers to NULL.
|
||||
*/
|
||||
void qcurlShutdown(void)
|
||||
{
|
||||
if (qcurlInitialized)
|
||||
{
|
||||
Com_Printf("Shutting down curl.\n");
|
||||
|
||||
qcurl_global_cleanup();
|
||||
qcurlInitialized = false;
|
||||
}
|
||||
|
||||
qcurl_easy_cleanup = NULL;
|
||||
qcurl_easy_init = NULL;
|
||||
qcurl_easy_getinfo = NULL;
|
||||
qcurl_easy_setopt = NULL;
|
||||
qcurl_easy_strerror = NULL;
|
||||
|
||||
qcurl_global_cleanup = NULL;
|
||||
qcurl_global_init = NULL;
|
||||
|
||||
qcurl_multi_add_handle = NULL;
|
||||
qcurl_multi_cleanup = NULL;
|
||||
qcurl_multi_info_read = NULL;
|
||||
qcurl_multi_init = NULL;
|
||||
qcurl_multi_perform = NULL;
|
||||
qcurl_multi_remove_handle = NULL;
|
||||
|
||||
if (curlhandle)
|
||||
{
|
||||
Sys_FreeLibrary(curlhandle);
|
||||
curlhandle = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
// --------
|
||||
|
||||
#endif // USE_CURL
|
||||
Loading…
Reference in a new issue