Subversion Repositories Kolibri OS

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include "package.h"

#include "http.h"

#define BUFFSIZE  (64*1024)

char *make_url(const char *name)

{

    static char url_buf[128] = "http://ftp.kolibrios.org/users/Serge/new/OS/";

    strcpy(&url_buf[44], name);

    return url_buf;

};

char *make_tmp_path(const char *path)

{

    static char path_buf[64] = "/tmp0/1/";

    strcpy(&path_buf[8], path);

    return path_buf;

};

char *make_cache_path(const char *path)

{

    static char path_buf[64] = "/kolibrios/kpm/cache/";

    strcpy(&path_buf[21], path);

    return path_buf;

};

int http_load_file(const char *path, const char *url)

{

    http_t *http;

    int     received = 0;

    int     offset = 0;

    int     tail;

    char   *buf;

    int     fd;

    int     i;

    buf = user_alloc(BUFFSIZE);

    for(i = 0; i < 16; i++)

        buf[i*4096] = 0;

    fd = open(path, O_CREAT|O_WRONLY);

    if(fd == -1)

    {

        user_free(buf);

        return 0;

    };

    http = http_get(url, NULL,FLAG_STREAM|FLAG_REUSE_BUFFER, NULL);

    if(http == NULL)

        goto err_get;

    do

    {

        if(http_receive_with_retry(http, 500) == 0)

        {

            int count;

            if(http->flags & 0xffff0000)

                break;

            count = http->content_received - received;

            if(count+offset <= BUFFSIZE)

            {

                memcpy(buf+offset, http->content_ptr, count);

                offset+= count;

            }

                tail  = count+offset-BUFFSIZE;

                count = BUFFSIZE - offset;

                if(count)

                {

                    memcpy(buf+offset, http->content_ptr, count);

                    offset = 0;

                };

                write(fd, buf, BUFFSIZE);

                if(tail)

                    memcpy(buf, http->content_ptr+count, tail);

                    offset = tail;

                }

            }

            received = http->content_received;

        }

        else break;

    }while( (http->flags & FLAG_GOT_ALL_DATA) == 0);

    if(offset)

        write(fd, buf, offset);

    }

//    ftruncate(fd, received);

    if(http->content_ptr)

    http_free(http);

    user_free(buf);

    return received;

err_get:

    return received;

}

    int   count;

    char *cache_path;

    char *tmp_path;

    if(http_init())

    tmp_path = make_tmp_path("packages.xml");

    count = http_load_file(tmp_path, make_url("packages.xml"));

    if(count)

        collection_t *collection;

        package_t   *pkg;

        LIST_HEAD(install_list);

        LIST_HEAD(download_list);

        collection = load_collection_file(tmp_path);

        if(collection && build_install_list(&install_list, collection))

            if(build_download_list(&download_list, &install_list))

                do_download(&download_list);

            if(!list_empty(&download_list))

            list_for_each_entry(pkg, &install_list, list)

        };

     }

    return 0;

err_init:

    return -1;

}

int build_install_list(list_t *list, collection_t *collection)

    pkg_group_t *gr;

    int count = 0;

    list_for_each_entry(gr, &collection->groups, list)

        package_t   *pkg, *tmp;

        list_for_each_entry(tmp, &gr->packages, list)

            pkg = (package_t*)malloc(sizeof(package_t));

            INIT_LIST_HEAD(&pkg->file_list);

            pkg->name     = strdup(tmp->name);

            pkg->version  = strdup(tmp->version);

            pkg->filename = strdup(tmp->filename);

            pkg->description = strdup(tmp->description);

            list_add_tail(&pkg->list, list);

            count++;

        }

    };

    return count;

}

int build_download_list(list_t *download, list_t *src)

    int count = 0;

    char *cache_path;

    package_t   *pkg, *tmp;

    fileinfo_t  info;

    list_for_each_entry(tmp, src, list)

    {

        cache_path = make_cache_path(tmp->filename);

        if( get_fileinfo(cache_path, &info) != 0)

            pkg = (package_t*)malloc(sizeof(package_t));

            INIT_LIST_HEAD(&pkg->file_list);

            pkg->name     = strdup(tmp->name);

            pkg->version  = strdup(tmp->version);

            pkg->filename = strdup(tmp->filename);

            pkg->description = strdup(tmp->description);

            list_add_tail(&pkg->list, download);

            count++;

        };

    }

    return count;

};

void do_download(list_t *download_list)

    package_t   *pkg, *tmp;

    char        *cache_path;

    int         count;

    list_for_each_entry_safe(pkg, tmp, download_list, list)

        printf("package %s-%s\n", pkg->name, pkg->version);

        cache_path = make_cache_path(pkg->filename);

        count = http_load_file(cache_path, make_url(pkg->filename));

        printf("%s loaded %d bytes\n",cache_path, count);

        if( !test_archive(cache_path))

            list_del_pkg(pkg);

        else /*delete file*/;

    };

}

void remove_packages(list_t *install, list_t *missed)

    package_t   *mpkg, *mtmp, *ipkg, *itmp;

    list_for_each_entry_safe(mpkg, mtmp, missed, list)

        list_for_each_entry_safe(ipkg, itmp, install, list)

        {

            if(ipkg->id == mpkg->id)

            {

                printf("skip missed package %s-%s\n", ipkg->name, ipkg->version);

                list_del_pkg(ipkg);

            };

        }

        list_del_pkg(mpkg);

    };

};