153 lines
3.9 KiB
C
153 lines
3.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "event.h"
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#include "httpd.h"
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#include "linebuffer.h"
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#include "list.h"
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#include "logging.h"
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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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struct client_con {
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struct list_head list;
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struct sockaddr_in addr;
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struct event_fd *event;
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struct linebuffer *lbuf;
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int bw_up;
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int bw_dn;
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unsigned long long total_up;
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unsigned long long total_dn;
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int chunk_total;
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int chunk_avail;
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int chunk_have;
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};
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static void free_client(struct client_con *con)
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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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free(con);
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}
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static int data_cb(int fd, void *privdata)
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{
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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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char *line;
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while ((line = linebuffer_getline(con->lbuf, NULL)) != NULL) {
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if (strncmp(line, "CTBW ", 5) == 0) {
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int bwup, bwdn, liup, lidn;
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if (sscanf(line +5, "%d,%d %d,%d", &bwdn, &bwup, &lidn, &liup) == 4) {
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con->bw_up = bwup;
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con->bw_dn = bwdn;
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}
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} else if (strncmp(line, "CTSTATUS ", 9) == 0) {
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int seeds1 = 0, seeds2 = 0, leech1 = 0, leech2 = 0, count = 0;
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int chunk1 = 0, chunk2 = 0, chunk3 = 0, bwdn = 0, bwup = 0;
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int lidn = 0, liup = 0, cache = 0;
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unsigned long long totdn = 0, totup = 0;
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if (sscanf(line +9, "%d:%d/%d:%d/%d %d/%d/%d %d,%d %llu,%llu %d,%d %d",
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&seeds1, &seeds2, &leech1, &leech2, &count,
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&chunk1, &chunk2, &chunk3,
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&bwdn, &bwup, &totdn, &totup,
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&lidn, &liup, &cache) == 15) {
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con->total_up = totup;
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con->total_dn = totdn;
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con->chunk_have = chunk1;
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con->chunk_total = chunk2;
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con->chunk_avail = chunk3;
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}
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}
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linebuffer_freeline(con->lbuf);
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}
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return 0;
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}
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int ctcs_trigger_status(void *privdata)
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{
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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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return 0;
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}
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int ctcs_accept_handler(int fd, void *privdata)
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{
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struct client_con *con = malloc(sizeof(struct client_con));
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if (con == NULL) {
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log_print(LOG_WARN, "accept_cb(): out of memory");
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return 0;
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}
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memset(con, 0, sizeof(struct client_con));
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con->lbuf = create_linebuffer(1024);
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if (con->lbuf == NULL) {
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log_print(LOG_WARN, "accept_cb(): out of memory");
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free(con);
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return 0;
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}
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unsigned int i = sizeof(con->addr);
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int sockfd = accept(fd, (struct sockaddr *)&con->addr, &i);
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if (sockfd < 0) {
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log_print(LOG_WARN, "accept_cb(): accept()");
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free(con->lbuf);
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free(con);
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return 0;
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}
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con->event = event_add_readfd(NULL, sockfd, data_cb, con);
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list_add(&con->list, &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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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, "<html><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></tr>\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></tr>\n",
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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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tmp->total_dn, tmp->bw_dn, tmp->total_up, tmp->bw_up);
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}
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linebuffer_printf(lbuf, "</table>\n</body></html>\n");
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httpd_send_header(con, "200 OK", "text/html");
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linebuffer_writefd(lbuf, con->fd);
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linebuffer_free(lbuf);
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return 0;
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}
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