research.m1stereo.tv/gitweb/ - melted_gui/blob - src/whois.c

   1 /*
   2  * whois.c -- GTK+ 2 omnplay
   3  * Copyright (C) 2011 Maksym Veremeyenko <verem@m1stereo.tv>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software Foundation,
  17  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include <config.h>
  22 #endif
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <gtk/gtk.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <pthread.h>
  30 #include "curl/curl.h"
  31
  32 #include "omnplay.h"
  33 #include "ui.h"
  34 #include "timecode.h"
  35
  36
  37 static size_t upload_cb_write(void *ptr, size_t size, size_t nmemb, void *stream)
  38 {
  39     return fwrite(ptr, size, nmemb, (FILE*)stream);
  40 };
  41
  42 static int save_list(playlist_item_t* item, int count, char* filename)
  43 {
  44     int i, r = 0;
  45     FILE* f;
  46
  47     if((f = fopen(filename, "wt")))
  48     {
  49         char tc_in[32], tc_dur[32];
  50
  51         for(i = 0; i < count; i++)
  52             fprintf(f, "%-40s%-15s%s\n",
  53                 item[i].id,
  54                 frames2tc(item[i].in, 25.0, tc_in),
  55                 frames2tc(item[i].dur, 25.0, tc_dur));
  56
  57         fclose(f);
  58
  59         g_warning("whois.c: save_list: filename=[%s], count=[%d]\n", filename, count);
  60     }
  61     else
  62         r = 1;
  63
  64     return r;
  65 };
  66
  67 static int post_file(char* url, char* file_in, char* file_out, char* curl_error_msg)
  68 {
  69     int r = 0;
  70     FILE* f;
  71     CURL *curl;
  72     long http_responce = 0;
  73     struct curl_httppost* post = NULL;
  74     struct curl_httppost* last = NULL;
  75
  76     /* open out file */
  77     f = fopen(file_out, "wt");
  78     if(!f)
  79     {
  80         snprintf(curl_error_msg, CURL_ERROR_SIZE, "failed to create output file [%s]", file_out);
  81         return -1;
  82     };
  83
  84     /* prepare CURL to HTTP GET request*/
  85     curl = curl_easy_init();
  86     curl_easy_setopt(curl, CURLOPT_URL, url);
  87     curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1);
  88     curl_easy_setopt(curl, CURLOPT_NOSIGNAL , 1);
  89     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, upload_cb_write);
  90     curl_easy_setopt(curl, CURLOPT_WRITEDATA, f);
  91     curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_error_msg);
  92     curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
  93
  94     curl_formadd(&post, &last,
  95         CURLFORM_COPYNAME, "src_file",
  96         CURLFORM_FILE, file_in,
  97         CURLFORM_END);
  98
  99     /* Set the form info */
 100     curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
 101
 102     /* POST data to server */
 103     r = curl_easy_perform(curl);
 104
 105     /* close file */
 106     fclose(f);
 107
 108     /* check results */
 109     if(!r)
 110     {
 111         curl_easy_getinfo(curl, CURLINFO_HTTP_CODE, &http_responce);
 112         if(200 != http_responce)
 113         {
 114             snprintf(curl_error_msg, CURL_ERROR_SIZE, "FAILED [http_responce=%ld]", http_responce);
 115             r = -2;
 116         }
 117     };
 118
 119     /* always cleanup */
 120     curl_easy_cleanup(curl);
 121     curl_formfree(post);
 122
 123     return r;
 124 };
 125
 126 int omnplay_whois_list(omnplay_instance_t* app, playlist_item_t *items, int* pcount)
 127 {
 128     int r;
 129     char *filenames[2];
 130     char *curl_error_msg;
 131
 132     /* alloc filenames */
 133     filenames[0] = (char *)malloc(PATH_MAX);
 134     filenames[1] = (char *)malloc(PATH_MAX);
 135     curl_error_msg = (char*)malloc(CURL_ERROR_SIZE);
 136
 137     /* compose filenames */
 138 #ifdef _WIN32
 139     snprintf(filenames[0], PATH_MAX, "%s\\omnplay.whois.in", getenv("TEMP"));
 140     snprintf(filenames[1], PATH_MAX, "%s\\omnplay.whois.out", getenv("TEMP"));
 141 #else
 142     snprintf(filenames[0], PATH_MAX, "%s/omnplay.whois.in", getenv("HOME"));
 143     snprintf(filenames[1], PATH_MAX, "%s/omnplay.whois.out", getenv("HOME"));
 144 #endif
 145
 146     r = save_list(items, *pcount, filenames[0]);
 147
 148     if(r)
 149         g_warning("Failed to save list to [%s]\n", filenames[0]);
 150     else
 151     {
 152         r = post_file(app->library.whois, filenames[0], filenames[1], curl_error_msg);
 153         if(r)
 154             g_warning("Failed to whois: {%s}\n", curl_error_msg);
 155         else
 156             r = omnplay_library_load_file(items, pcount, filenames[1]);
 157     };
 158
 159     free(filenames[0]);
 160     free(filenames[1]);
 161     free(curl_error_msg);
 162
 163     return r;
 164 };
 165