Add function http_file_download

http_intf.c

@@ -18,8 +18,55 @@
 #include <assert.h>
 #include "http_intf.h"
 #include "retroarch_logger.h"
+#include <retro_miscellaneous.h>
 #include "general.h"
 
+#include <file/file_path.h>
+
+/**
+ * http_download_file:
+ * @url                 : URL to file.
+ * @output_dir          : Output directory for new file.
+ * @output_basename     : Output basename  for new file.
+ *
+ * Downloads a file at specified URL.
+ *
+ * Returns: bool (1) if successful, otherwise false (0).
+ **/
+bool http_download_file(char *url, const char *output_dir,
+      const char *output_basename)
+{
+   http_retcode status;
+	int len;
+	FILE * f;
+   char output_path[PATH_MAX_LENGTH];
+	char *urlfilename = NULL, *out;
+
+	http_parse_url(url, &urlfilename);
+
+	status = http_get(urlfilename, &out, &len, NULL);
+
+	if (status < 0)
+   {
+      RARCH_ERR("%i - Failure.\n", status);
+      return false;
+   }
+
+   fill_pathname_join(output_path, output_dir, output_basename,
+         sizeof(output_path));
+
+	f = fopen(output_path, "wb");
+
+   if (!f)
+      return false;
+
+	fwrite(out, 1,len, f);
+
+	fclose(f);
+
+   return true;
+}
+
 int http_intf_command(unsigned mode, char *url)
 {
    int ret, lg, blocksize, r;

http_intf.h

@@ -17,6 +17,7 @@
 #ifndef _HTTP_INTF_H
 #define _HTTP_INTF_H
 
+#include <boolean.h>
 #include "netplay_compat.h"
 #include "http_lib.h"
 
@@ -29,6 +30,19 @@ enum
    HTTP_INTF_HEAD
 };
 
+/**
+ * http_download_file:
+ * @url                 : URL to file.
+ * @output_dir          : Output directory for new file.
+ * @output_basename     : Output basename  for new file.
+ *
+ * Downloads a file at specified URL.
+ *
+ * Returns: bool (1) if successful, otherwise false (0).
+ **/
+bool http_download_file(char *url, const char *output_dir,
+      const char *output_basename);
+
 int http_intf_command(unsigned mode, char *url);
 
 #endif

http_lib.c

@@ -33,7 +33,7 @@
 
 #define VERBOSE
 
-/* http_lib - Http data exchanges mini library.
+/* http_lib - HTTP data exchanges mini library.
 */
 
 #include <stdio.h>
@@ -80,7 +80,7 @@ static int http_read_line (int fd, char *buffer, int max)
    /* not efficient on long lines (multiple unbuffered 1 char reads) */
    int n = 0;
 
-   while (n<max)
+   while (n < max)
    {
       if (read(fd, buffer, 1) != 1)
       {
@@ -269,8 +269,9 @@ static http_retcode http_query(const char *command, const char *url,
             return ret;
       }
    }
-   /* close socket */
-   close(s);
+
+   close(s); /* close socket */
+
    return ret;
 }
 
@@ -305,9 +306,41 @@ http_retcode http_put(const char *filename, const char *data,
    else
       snprintf(header, sizeof(header), "Content-length: %d\015\012%s",length,
             overwrite ? "Control: overwrite=1\015\012" : "");
+
    return http_query("PUT", filename, header, CLOSE, data, length, NULL);
 }
 
+static http_retcode http_read_line_loop(int fd, char *header,
+      int *length, char *typebuf)
+{
+   int n;
+   char *pc;
+
+   while (1)
+   {
+      n = http_read_line(fd, header, MAXBUF-1);
+#ifdef VERBOSE
+      fputs(header, stderr);
+      putc('\n', stderr);
+#endif	
+      if (n <= 0)
+         return ERRRDHD;
+
+      /* Empty line ? (=> end of header) */
+      if (n > 0 && (*header) == '\0')
+         break;
+
+      /* Try to parse some keywords : */
+      /* convert to lower case 'till a : is found or end of string */
+      for (pc=header; (*pc != ':' && *pc) ; pc++)
+         *pc = tolower(*pc);
+      sscanf(header, "content-length: %d", length);
+
+      if (typebuf)
+         sscanf(header, "content-type: %s", typebuf);
+   }
+   return 0;
+}
 
 /**
  * http_get:
@@ -353,35 +386,18 @@ http_retcode http_get(const char *filename,
 
    if (ret == 200)
    {
-      while (1)
+      if ((ret = http_read_line_loop(fd, header, &length, typebuf)) != 0)
       {
-         n = http_read_line(fd,header,MAXBUF-1);
-#ifdef VERBOSE
-         fputs(header,stderr);
-         putc('\n',stderr);
-#endif	
-         if (n <= 0)
-         {
-            close(fd);
-            return ERRRDHD;
-         }
-         /* empty line ? (=> end of header) */
-         if ( n>0 && (*header) == '\0')
-            break;
-         /* try to parse some keywords : */
-         /* convert to lower case 'till a : is found or end of string */
-         for (pc=header; (*pc != ':' && *pc) ; pc++)
-            *pc=tolower(*pc);
-         sscanf(header,"content-length: %d", &length);
-         if (typebuf)
-            sscanf(header,"content-type: %s", typebuf);
+         close(fd);
+         return ret;
       }
 
-      if (length<=0)
+      if (length <= 0)
       {
          close(fd);
          return ERRNOLG;
       }
+
       if (plength)
          *plength = length;
 
@@ -428,8 +444,8 @@ http_retcode http_get(const char *filename,
 http_retcode http_head(const char *filename, int *plength, char *typebuf) 
 {
    http_retcode ret;
-   char header[MAXBUF], *pc;
-   int  fd, n, length = -1;
+   char header[MAXBUF];
+   int  fd, length = -1;
 
    if (plength)
       *plength=0;
@@ -440,32 +456,12 @@ http_retcode http_head(const char *filename, int *plength, char *typebuf)
 
    if (ret == 200)
    {
-      while (1)
+      if ((ret = http_read_line_loop(fd, header, &length, typebuf)) != 0)
       {
-         n = http_read_line(fd, header, MAXBUF-1);
-#ifdef VERBOSE
-         fputs(header, stderr);
-         putc('\n', stderr);
-#endif	
-         if (n <= 0)
-         {
-            close(fd);
-            return ERRRDHD;
-         }
-
-         /* Empty line ? (=> end of header) */
-         if (n > 0 && (*header) == '\0')
-            break;
-
-         /* Try to parse some keywords : */
-         /* convert to lower case 'till a : is found or end of string */
-         for (pc=header; (*pc != ':' && *pc) ; pc++)
-            *pc = tolower(*pc);
-         sscanf(header, "content-length: %d", &length);
-
-         if (typebuf)
-            sscanf(header, "content-type: %s", typebuf);
+         close(fd);
+         return ret;
       }
+
       if (plength)
          *plength = length;
       close(fd);

http_test.c

@@ -1,34 +0,0 @@
-/*  RetroArch - A frontend for libretro.
- *  Copyright (C) 2011-2015 - Daniel De Matteis
- *  Copyright (C) 2014-2015 - Alfred Agrell
- *
- *  RetroArch is free software: you can redistribute it and/or modify it under the terms
- *  of the GNU General Public License as published by the Free Software Found-
- *  ation, either version 3 of the License, or (at your option) any later version.
- *
- *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- *  PURPOSE.  See the GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along with RetroArch.
- *  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include "http_lib.h"
-
-int main(void)
-{
-	char url[]="http://buildbot.libretro.com/nightly/android/latest/armeabi-v7a/2048_libretro.so.zip";
-	char* urlfilename=NULL;
-	int len;
-	char * out;
-	FILE * f;
-	http_parse_url(url, &urlfilename);
-	http_retcode status=http_get(urlfilename, &out, &len, NULL);
-	if (status<0) printf("%i - failure...\n", status);
-	else printf("%i - success\n", status);
-	f=fopen("2048_libretro.so.zip", "wb");
-	fwrite(out, 1,len, f);
-	fclose(f);
-}

menu/menu_entries_cbs.c

@@ -28,6 +28,7 @@
 #include "../retroarch.h"
 #include "../performance.h"
 
+#include "../http_intf.h"
 #include "../input/input_remapping.h"
 
 #ifdef GEKKO
@@ -798,9 +799,14 @@ static int generic_action_ok_command(unsigned cmd)
    return 0;
 }
 
+
 static int action_ok_core_manager_list(const char *path,
       const char *label, unsigned type, size_t idx)
 {
+   char url[] = "http://buildbot.libretro.com/nightly/android/latest/armeabi-v7a/2048_libretro.so.zip";
+
+   if (!http_download_file(url, "/home/squarepusher", "2048_libretro.so.zip"))
+         return -1;
    return 0;
 }