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/*
* Copyright (C) 2010 Robin H.Johnson, Ovechko Kostyantyn <fastinetserver@gmail.com>.
*
* Project: IDFetch.
* Developer: Ovechko Kostyantyn Olexandrovich (Kharkiv State Technical University of Construction and Architecture, Ukraine).
* Mentor: Robin H. Johnson (Gentoo Linux: Developer, Trustee & Infrastructure Lead).
* Mentoring organization: Gentoo Linux.
* Sponsored by GSOC 2010.
*
* This file is part of Segget.
*
* Segget is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Segget 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Segget; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "connection.h"
uint Tconnection::total_connections=0;
Tconnection connection_array[MAX_CONNECTS];
time_t prev_time;
void init_connections(){
for (ulong connection_num=0; connection_num<MAX_CONNECTS; connection_num++){
connection_array[connection_num].connection_num=connection_num;
};
}
void Tconnection::start(CURLM *cm, uint network_number, uint distfile_num, Tsegment *started_segment, uint best_mirror_num){
try{
segment=started_segment;
debug("Starting connection for distfile: "+segment->parent_distfile->name);
mirror_num=best_mirror_num;
network_num=network_number;
total_dld_bytes=0;
bytes_per_last_interval=0;
gettimeofday(&start_time,NULL);
active=true;
debug("Connecting network"+toString(network_num));
segment->parent_distfile->active_connections_num++;
if (network_array[network_num].network_mode==MODE_PROXY_FETCHER){
connection_start_time_network_phase_for_pf_networks=segment->parent_distfile->network_distfile_brokers_array[network_num].phase;
}
Tmirror *Pcurr_mirror;
string url;
if (network_array[network_num].network_mode==MODE_REMOTE){
url=segment->parent_distfile->url_list[mirror_num];
Pcurr_mirror=find_mirror(strip_mirror_name(url));
}else{
Pcurr_mirror=&network_array[network_num].benchmarked_mirror_list[mirror_num];
url=Pcurr_mirror->url+segment->parent_distfile->name;
}
debug(" URL:"+url);
debug("aaaaa");
Pcurr_mirror->start();
debug("bbbbb");
network_array[network_num].connect();
debug("ccccc");
segment->prepare_for_connection(cm, connection_num, network_num, distfile_num, url);
debug("Started connection for distfile: "+segment->parent_distfile->name);
}catch(...){
error_log("Error in connection.cpp: start()");
}
}
void Tconnection::stop(int connection_result){
try{
debug("Finished connection for distfile: "+segment->parent_distfile->name+" Segment#:"+toString(segment->segment_num)+" Network#"+toString(network_num)+" Status: "+toString(connection_result));
error_log("Finished connection for distfile: "+segment->parent_distfile->name+" Segment#:"+toString(segment->segment_num)+" Network#"+toString(network_num)+" Status: "+toString(connection_result));
msg_clean_connection(connection_num);
active=false;
network_array[network_num].disconnect();
// network_array[network_num].benchmarked_mirror_list[mirror_num].stop();
segment->segment_file.close();
if (connection_result==0){
if (! segment->segment_verification_is_ok()){
debug("curl_lies - there is a problem downloading segment");
error_log("curl_lies - there is a problem downloading segment");
connection_result=100;
}
}
segment->parent_distfile->active_connections_num--;
/*
Tmirror *Pcurr_mirror;
if (network_array[network_num].network_mode==MODE_LOCAL){
Pcurr_mirror=&network_array[network_num].benchmarked_mirror_list[mirror_num];
prnt_distfile->network_distfile_brokers_array[network_num].mirror_fails_vector[mirror_num]=true;
// find_mirror(strip_mirror_name(segment->url));
}else{
Pcurr_mirror=find_mirror(strip_mirror_name(segment->url));
}
*/
Tmirror *Pcurr_mirror;
if (network_array[network_num].network_mode==MODE_REMOTE){
Pcurr_mirror=find_mirror(strip_mirror_name(segment->url));
}else{
Pcurr_mirror=&network_array[network_num].benchmarked_mirror_list[mirror_num];
}
timeval now_time;
gettimeofday(&now_time,NULL);
if (connection_result!=0){
switch (network_array[network_num].network_mode){
case MODE_LOCAL:{
// prnt_distfile->network_distfile_brokers_array[network_num].mirror_fails_vector[mirror_num]=true;
segment->parent_distfile->network_distfile_brokers_array[network_num].local_mirror_failed(mirror_num);
// find_mirror(strip_mirror_name(segment->url));
break;
}
case MODE_PROXY_FETCHER:{
// prnt_distfile->network_distfile_brokers_array[network_num].mirror_fails_vector[mirror_num]=true;
if (connection_start_time_network_phase_for_pf_networks==E_USE_AS_LOCAL_MIRRORS){
segment->parent_distfile->network_distfile_brokers_array[network_num].local_mirror_failed(mirror_num);
}else{ // proxy-fetcher mirror failed, if everything correct it must be in phase E_PROXY_FETCHER_DOWNLOADED,
segment->parent_distfile->network_distfile_brokers_array[network_num].proxy_fetcher_mirror_failed(mirror_num);
}
// find_mirror(strip_mirror_name(segment->url));
break;
}
default:{ // MODE REMOTE MIRRORS
}
}
// error -> start downloading again
msg_status2(segment->connection_num, toString(connection_result)+"]- Failed download "+segment->file_name);
debug(toString(connection_result)+"]- Failed download "+segment->url);
Pcurr_mirror->stop(time_left_from(connection_array[connection_num].start_time),0);
if (segment->try_num>=settings.max_tries){
segment->status=SFAILED;
segment->parent_distfile->status=DFAILED;
error_log("Segget failed to download distfile: "+segment->parent_distfile->name);
error_log("Segment:"+segment->file_name+" has reached max_tries limit - segment.status set to FAILED");
}
else segment->status=SWAITING;
}else{
// no error => count this one and start new
log("Succesfully downloaded "+segment->file_name+" on connection#"+toString(connection_num));
debug(" Successful download "+segment->url);
// already done earlier in this function Pcurr_mirror=find_mirror(strip_mirror_name(segment->url));
Pcurr_mirror->stop(time_left_from(connection_array[connection_num].start_time),segment->segment_size);
segment->status=SDOWNLOADED;
segment->parent_distfile->inc_dld_segments_count(segment);
};
}catch(...){
error_log("Error in connection.cpp: stop()");
}
}
void Tconnection::inc_bytes_per_last_interval(ulong new_bytes_count){
try{
total_dld_bytes+=new_bytes_count;
bytes_per_last_interval+=new_bytes_count;
}catch(...){
error_log("Error in connection.cpp: inc_bytes_per_last_interval()");
}
}
void Tconnection::show_connection_progress(ulong time_diff){
try{
if (active){
stats.total_bytes_per_last_interval+=bytes_per_last_interval;
msg_segment_progress(
segment->connection_num,
network_num,
segment->segment_num,
segment->try_num,
segment->downloaded_bytes,
segment->segment_size,
(bytes_per_last_interval*1000)/time_diff,
(total_dld_bytes*1000)/time_left_from(start_time));
bytes_per_last_interval=0;
}
}catch(...){
error_log("Error in connection.cpp: show_connection_progress()");
}
}
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