multi torrent support
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parent
419ce7766e
commit
2e21d27d10
124
connection.c
124
connection.c
@ -12,7 +12,13 @@
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#include "sockaddr.h"
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#include "tcpsocket.h"
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static LIST_HEAD(client_list);
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static LIST_HEAD(torrent_list);
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struct torrent_file {
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struct list_head list;
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struct list_head client_list;
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char *name;
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};
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struct client_con {
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struct list_head list;
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@ -32,10 +38,47 @@ struct client_con {
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int chunk_have;
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long completed;
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struct torrent_file *torrent;
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};
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static struct torrent_file * find_create_torrent(const char *filename)
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{
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struct torrent_file *torrent;
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list_for_each_entry(torrent, &torrent_list, list) {
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if (strcmp(torrent->name, filename) == 0)
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return torrent;
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}
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torrent = malloc(sizeof(struct torrent_file) + strlen(filename));
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if (torrent == NULL) {
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log_print(LOG_WARN, "find_create_torrent(): out of memory");
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return NULL;
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}
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INIT_LIST_HEAD(&torrent->client_list);
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torrent->name = strdup(filename);
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struct torrent_file *search;
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list_for_each_entry(search, &torrent_list, list)
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if (strcmp(search->name, torrent->name) > 0)
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break;
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list_add_tail(&torrent->list, &search->list);
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return torrent;
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}
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static void free_client(struct client_con *con)
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{
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list_del(&con->list);
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/* remove torrents without clients */
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if (list_empty(&con->torrent->client_list)) {
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list_del(&con->torrent->list);
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free(con->torrent->name);
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free(con->torrent);
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}
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close(event_get_fd(con->event));
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event_remove_fd(con->event);
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free(con->lbuf);
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@ -47,8 +90,6 @@ static int data_cb(int fd, void *privdata)
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struct client_con *con = (struct client_con *)privdata;
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if (linebuffer_readfd(con->lbuf, fd) < 0) {
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log_print(LOG_WARN, "data_cb(): client %s read", get_sockaddr_buf(&con->addr));
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list_del(&con->list);
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free_client(con);
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return -1;
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}
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@ -80,6 +121,17 @@ static int data_cb(int fd, void *privdata)
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con->chunk_total = chunk2;
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con->chunk_avail = chunk3;
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}
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} else if (strncmp(line, "CTORRENT ", 9) == 0) {
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char *filename = strrchr(line +9, ' ');
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if (filename != NULL) {
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struct torrent_file *torrent = find_create_torrent(filename +1);
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if (torrent != NULL) {
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list_del(&con->list);
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con->torrent = torrent;
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list_add_tail(&con->list, &con->torrent->client_list);
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}
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}
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}
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linebuffer_freeline(con->lbuf);
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}
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@ -91,7 +143,7 @@ static int data_cb(int fd, void *privdata)
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list_del(&con->list);
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struct client_con *search;
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list_for_each_entry(search, &client_list, list) {
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list_for_each_entry(search, &con->torrent->client_list, list) {
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if (search->completed == 0)
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break;
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@ -106,26 +158,30 @@ static int data_cb(int fd, void *privdata)
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int ctcs_trigger_status(void *privdata)
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{
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int delete = 0;
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long timeout = time(NULL) - 300;
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struct client_con *con;
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list_for_each_entry(con, &client_list, list) {
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write(event_get_fd(con->event), "SENDSTATUS\n", 11);
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struct torrent_file *torrent;
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list_for_each_entry(torrent, &torrent_list, list) {
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int delete = 0;
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delete += (con->completed == 0) ? -1 : 1;
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}
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struct client_con *con;
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list_for_each_entry(con, &torrent->client_list, list) {
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write(event_get_fd(con->event), "SENDSTATUS\n", 11);
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/* delete holds the number of clients to quit */
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list_for_each_entry(con, &client_list, list) {
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if (delete <= 0)
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break;
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delete += (con->completed == 0) ? -1 : 1;
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}
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if (con->completed == 0 || con->completed > timeout)
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continue;
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/* delete holds the number of clients to quit */
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list_for_each_entry(con, &torrent->client_list, list) {
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if (delete <= 0)
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break;
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write(event_get_fd(con->event), "CTQUIT\n", 7);
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delete--;
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if (con->completed == 0 || con->completed > timeout)
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continue;
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write(event_get_fd(con->event), "CTQUIT\n", 7);
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delete--;
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}
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}
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return 0;
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}
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@ -158,32 +214,44 @@ int ctcs_accept_handler(int fd, void *privdata)
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con->event = event_add_readfd(NULL, sockfd, data_cb, con);
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list_add_tail(&con->list, &client_list);
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con->torrent = find_create_torrent("[unknown]");
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list_add_tail(&con->list, &con->torrent->client_list);
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return 0;
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}
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int ctcs_httpd_handler(struct httpd_con *con, void *privdata)
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{
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struct linebuffer *lbuf = create_linebuffer(4096);
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struct linebuffer *lbuf = create_linebuffer(16384);
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if (lbuf == NULL) {
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httpd_send_error(con, "500 ERROR", "Out of Memory");
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return -1;
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}
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linebuffer_printf(lbuf, "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n");
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linebuffer_printf(lbuf, "<html><head><meta http-equiv=\"refresh\" content=\"30;\"></head><body><h1>ctorrent stats</h1>\n<table border=\"1\">\n");
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linebuffer_printf(lbuf, "<tr><td><b>Client IP:Port</b></td><td><b>Chunks (have/total/avail)</b></td><td><b>Download total(current)</b></td><td><b>Upload total(current)</b></td><td><b>Completed since</b></td></tr>\n");
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linebuffer_printf(lbuf, "<html><head><meta http-equiv=\"refresh\" content=\"30;\"></head><body><h1>ctorrent stats</h1>\n");
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struct client_con *tmp;
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list_for_each_entry(tmp, &client_list, list) {
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linebuffer_printf(lbuf, "<tr><td align=\"right\">%s</td><td align=\"right\">%3.2lf%% (%d/%d/%d)</td><td align=\"right\">%llu (%d)</td><td align=\"right\">%llu (%d)</td><td align=\"right\">%s</td></tr>\n",
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struct torrent_file *torrent;
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list_for_each_entry(torrent, &torrent_list, list) {
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if (list_empty(&torrent->client_list))
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continue;
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linebuffer_printf(lbuf, "<table border=\"1\">\n<tr><td colspan=\"5\" align=\"center\">%s</td></tr>\n", torrent->name);
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linebuffer_printf(lbuf, "<tr></td><td><b>Client IP:Port</b></td><td><b>Chunks (have/total/avail)</b></td>");
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linebuffer_printf(lbuf, "<td><b>Download total(current)</b></td><td><b>Upload total(current)</b></td><td><b>Completed since</b></td></tr>\n");
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struct client_con *tmp;
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list_for_each_entry(tmp, &torrent->client_list, list) {
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linebuffer_printf(lbuf, "<tr><td align=\"right\">%s</td><td align=\"right\">%3.2lf%% (%d/%d/%d)</td>",
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get_sockaddr_buf(&tmp->addr),
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(double)tmp->chunk_have / (double)tmp->chunk_total * 100.0, tmp->chunk_have, tmp->chunk_total, tmp->chunk_avail,
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(double)tmp->chunk_have / (double)tmp->chunk_total * 100.0, tmp->chunk_have, tmp->chunk_total, tmp->chunk_avail);
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linebuffer_printf(lbuf, "<td align=\"right\">%llu (%d)</td><td align=\"right\">%llu (%d)</td><td align=\"right\">%s</td></tr>\n",
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tmp->total_dn, tmp->bw_dn, tmp->total_up, tmp->bw_up,
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(tmp->completed != 0) ? ctime(&tmp->completed) : "-");
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}
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linebuffer_printf(lbuf, "</table>\n<br><br>\n");
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}
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linebuffer_printf(lbuf, "</table>\n</body></html>\n");
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linebuffer_printf(lbuf, "</body></html>\n");
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linebuffer_writefd(lbuf, con->fd);
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linebuffer_free(lbuf);
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