forked from KolibriOS/kolibrios
163 lines
3.7 KiB
C
163 lines
3.7 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/unistd.h>
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#include <fcntl.h>
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#include <kos32sys.h>
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#include "collection.h"
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#include "http.h"
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#define BUFFSIZE (64*1024)
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char *make_url(const char *name)
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{
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static char url_buf[128] = "http://ftp.kolibrios.org/users/Serge/new/OS/";
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strcpy(&url_buf[44], name);
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return url_buf;
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};
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char *make_tmp_path(const char *path)
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{
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static char path_buf[64] = "/tmp0/1/";
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strcpy(&path_buf[8], path);
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return path_buf;
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};
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char *make_cache_path(const char *path)
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{
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static char path_buf[64] = "/kolibrios/kpm/cache/";
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strcpy(&path_buf[21], path);
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return path_buf;
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};
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int http_load_file(const char *path, const char *url)
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{
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http_t *http;
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int received = 0;
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int offset = 0;
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int tail;
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char *buf;
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int fd;
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int i;
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buf = user_alloc(BUFFSIZE);
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for(i = 0; i < 16; i++)
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buf[i*4096] = 0;
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fd = open(path, O_CREAT|O_WRONLY);
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if(fd == -1)
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{
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user_free(buf);
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return 0;
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};
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http = http_get(url, NULL,FLAG_STREAM|FLAG_REUSE_BUFFER, NULL);
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if(http == NULL)
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goto err_get;
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do
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{
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if(http_receive_with_retry(http, 500) == 0)
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{
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int count;
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if(http->flags & 0xffff0000)
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break;
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count = http->content_received - received;
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if(count+offset <= BUFFSIZE)
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{
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memcpy(buf+offset, http->content_ptr, count);
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offset+= count;
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}
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else
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{
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tail = count+offset-BUFFSIZE;
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count = BUFFSIZE - offset;
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if(count)
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{
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memcpy(buf+offset, http->content_ptr, count);
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offset = 0;
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};
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write(fd, buf, BUFFSIZE);
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if(tail)
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{
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memcpy(buf, http->content_ptr+count, tail);
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offset = tail;
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}
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}
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received = http->content_received;
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}
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else break;
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}while( (http->flags & FLAG_GOT_ALL_DATA) == 0);
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if(offset)
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{
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write(fd, buf, offset);
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}
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// ftruncate(fd, received);
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close(fd);
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if(http->content_ptr)
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user_free(http->content_ptr);
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http_free(http);
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user_free(buf);
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return received;
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err_get:
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printf("HTTP GET failed\n");
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return received;
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}
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int main(int argc, char *argv[])
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{
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int count;
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char *cache_path;
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char *tmp_path;
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if(http_init())
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goto err_init;
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tmp_path = make_tmp_path("packages.xml");
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count = http_load_file(tmp_path, make_url("packages.xml"));
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if(count)
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{
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collection_t *collection;
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package_t *pkg;
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LIST_HEAD(install_list);
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LIST_HEAD(download_list);
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collection = load_collection_file(tmp_path);
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if(collection && build_install_list(&install_list, collection))
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{
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if(build_download_list(&download_list, &install_list))
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{
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list_for_each_entry(pkg, &download_list, list)
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{
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printf("package %s-%s\n", pkg->name, pkg->version);
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cache_path = make_cache_path(pkg->filename);
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count = http_load_file(cache_path, make_url(pkg->filename));
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printf("%s loaded %d bytes\n",cache_path, count);
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};
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};
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};
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}
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return 0;
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err_init:
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printf("HTTP library initialization failed\n");
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return -1;
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}
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