mirror of
https://github.com/pavel-odintsov/fastnetmon
synced 2024-04-26 03:25:10 +02:00
Removed few more unused files
This commit is contained in:
Pavel Odintsov
parent
c2dac3564c
commit
57f862423f
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@ -1,233 +0,0 @@
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#include <iostream>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <boost/thread.hpp>
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#include <arpa/inet.h>
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#include <linux/if_packet.h>
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#include <net/ethernet.h> /* the L2 protocols */
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#include <net/if.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include "../fastnetmon_packet_parser.h"
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/*
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Build it:
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g++ ../fastnetmon_packet_parser.c -ofastnetmon_packet_parser.o -c
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g++ af_packet.cpp fastnetmon_packet_parser.o -lboost_thread -lboost_system -lpthread
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*/
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// Copy and paste from netmap code
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void consume_pkt(u_char* buffer, int len) {
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/*
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struct pfring_pkthdr packet_header;
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memset(&packet_header, 0, sizeof(packet_header));
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packet_header.len = len;
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packet_header.caplen = len;
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// We do not calculate timestamps because timestamping is very CPU intensive operation:
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// https://github.com/ntop/PF_RING/issues/9
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u_int8_t timestamp = 0;
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u_int8_t add_hash = 0;
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fastnetmon_parse_pkt((u_char*)buffer, &packet_header, 4, timestamp, add_hash);
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*/
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// char print_buffer[512];
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// fastnetmon_print_parsed_pkt(print_buffer, 512, (u_char*)buffer, &packet_header);
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// printf("%s\n", print_buffer);
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// logger.info("%s", print_buffer);
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}
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// Get interface number by name
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int get_interface_number_by_device_name(int socket_fd, std::string interface_name) {
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struct ifreq ifr;
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memset(&ifr, 0, sizeof(ifr));
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if (interface_name.size() > IFNAMSIZ) {
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return -1;
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}
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strncpy(ifr.ifr_name, interface_name.c_str(), sizeof(ifr.ifr_name));
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if (ioctl(socket_fd, SIOCGIFINDEX, &ifr) == -1) {
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return -1;
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}
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return ifr.ifr_ifindex;
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}
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unsigned int af_packet_threads = 1;
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uint64_t received_packets = 0;
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void speed_printer() {
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while (true) {
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uint64_t packets_before = received_packets;
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boost::this_thread::sleep(boost::posix_time::seconds(1));
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uint64_t packets_after = received_packets;
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uint64_t pps = packets_after - packets_before;
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printf("We process: %llu pps\n", pps);
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}
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}
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int setup_socket(std::string interface_name, int fanout_group_id) {
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// More details here: http://man7.org/linux/man-pages/man7/packet.7.html
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// We could use SOCK_RAW or SOCK_DGRAM for second argument
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// SOCK_RAW - raw packets pass from the kernel
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// SOCK_DGRAM - some amount of processing
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// Third argument manage ether type of captured packets
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int packet_socket = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
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if (packet_socket == -1) {
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printf("Can't create AF_PACKET socket\n");
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return -1;
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}
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int interface_number = get_interface_number_by_device_name(packet_socket, interface_name);
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if (interface_number == -1) {
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printf("Can't get interface number by interface name\n");
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return -1;
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}
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// Switch to PROMISC mode
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struct packet_mreq sock_params;
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memset(&sock_params, 0, sizeof(sock_params));
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sock_params.mr_type = PACKET_MR_PROMISC;
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sock_params.mr_ifindex = interface_number;
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int set_promisc = setsockopt(packet_socket, SOL_PACKET, PACKET_ADD_MEMBERSHIP, (void*)&sock_params, sizeof(sock_params));
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if (set_promisc == -1) {
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printf("Can't enable promisc mode\n");
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return -1;
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}
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struct sockaddr_ll bind_address;
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memset(&bind_address, 0, sizeof(bind_address));
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bind_address.sll_family = AF_PACKET;
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bind_address.sll_protocol = htons(ETH_P_ALL);
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bind_address.sll_ifindex = interface_number;
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// We will follow http://yusufonlinux.blogspot.ru/2010/11/data-link-access-and-zero-copy.html
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// And this: https://www.kernel.org/doc/Documentation/networking/packet_mmap.txt
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/*
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struct tpacket_req req;
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memset(&req, 0, sizeof(req);
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setsockopt(packet_socket, SOL_PACKET , PACKET_RX_RING , (void*)&req , sizeof(req));
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setsockopt(packet_socket, SOL_PACKET , PACKET_TX_RING , (void*)&req , sizeof(req));
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*/
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int bind_result = bind(packet_socket, (struct sockaddr*)&bind_address, sizeof(bind_address));
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if (bind_result == -1) {
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printf("Can't bind to AF_PACKET socket\n");
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return -1;
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}
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if (fanout_group_id) {
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// PACKET_FANOUT_LB - round robin
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// PACKET_FANOUT_CPU - send packets to CPU where packet arrived
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int fanout_type = PACKET_FANOUT_CPU;
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int fanout_arg = (fanout_group_id | (fanout_type << 16));
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int setsockopt_fanout = setsockopt(packet_socket, SOL_PACKET, PACKET_FANOUT, &fanout_arg, sizeof(fanout_arg));
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if (setsockopt_fanout < 0) {
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printf("Can't configure fanout\n");
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return -1;
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}
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}
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// Most challenging option: PACKET_TX_RING
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return packet_socket;
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}
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void start_af_packet_capture(std::string interface_name, int fanout_group_id) {
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int packet_socket = setup_socket(interface_name, fanout_group_id);
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if (packet_socket == -1) {
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printf("Can't create socket\n");
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return;
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}
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unsigned int capture_length = 1500;
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char buffer[capture_length];
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while (true) {
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received_packets++;
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int readed_bytes = read(packet_socket, buffer, capture_length);
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// printf("Got %d bytes from interface\n", readed_bytes);
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consume_pkt((u_char*)buffer, readed_bytes);
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if (readed_bytes < 0) {
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break;
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}
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}
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}
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void get_af_packet_stats() {
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// getsockopt PACKET_STATISTICS
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}
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bool use_multiple_fanout_processes = true;
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// Could get some speed up on NUMA servers
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bool execute_strict_cpu_affinity = false;
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int main() {
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boost::thread speed_printer_thread(speed_printer);
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int fanout_group_id = getpid() & 0xffff;
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if (use_multiple_fanout_processes) {
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boost::thread_group packet_receiver_thread_group;
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unsigned int num_cpus = 8;
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for (int cpu = 0; cpu < num_cpus; cpu++) {
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boost::thread::attributes thread_attrs;
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if (execute_strict_cpu_affinity) {
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cpu_set_t current_cpu_set;
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int cpu_to_bind = cpu % num_cpus;
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CPU_ZERO(¤t_cpu_set);
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// We count cpus from zero
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CPU_SET(cpu_to_bind, ¤t_cpu_set);
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int set_affinity_result =
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pthread_attr_setaffinity_np(thread_attrs.native_handle(), sizeof(cpu_set_t), ¤t_cpu_set);
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if (set_affinity_result != 0) {
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printf("Can't set CPU affinity for thread\n");
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}
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}
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packet_receiver_thread_group.add_thread(
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new boost::thread(thread_attrs, boost::bind(start_af_packet_capture, "eth6", fanout_group_id)));
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}
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// Wait all processes for finish
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packet_receiver_thread_group.join_all();
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} else {
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start_af_packet_capture("eth6", 0);
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}
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speed_printer_thread.join();
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}
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@ -1,308 +0,0 @@
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#include <iostream>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <boost/thread.hpp>
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#include <linux/if_packet.h>
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#include <net/ethernet.h> /* the L2 protocols */
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#include <net/if.h>
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#include <poll.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <sys/socket.h>
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#include "../fastnetmon_packet_parser.h"
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// 4194304 bytes
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unsigned int blocksiz = 1 << 22;
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// 2048 bytes
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unsigned int framesiz = 1 << 11;
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unsigned int blocknum = 64;
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struct block_desc {
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uint32_t version;
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uint32_t offset_to_priv;
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struct tpacket_hdr_v1 h1;
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};
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/*
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Build it:
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g++ ../fastnetmon_packet_parser.c -ofastnetmon_packet_parser.o -c
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g++ af_packet.cpp fastnetmon_packet_parser.o -lboost_thread -lboost_system -lpthread
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*/
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// Get interface number by name
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int get_interface_number_by_device_name(int socket_fd, std::string interface_name) {
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struct ifreq ifr;
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memset(&ifr, 0, sizeof(ifr));
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if (interface_name.size() > IFNAMSIZ) {
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return -1;
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}
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strncpy(ifr.ifr_name, interface_name.c_str(), sizeof(ifr.ifr_name));
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if (ioctl(socket_fd, SIOCGIFINDEX, &ifr) == -1) {
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return -1;
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}
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return ifr.ifr_ifindex;
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}
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unsigned int af_packet_threads = 1;
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uint64_t received_packets = 0;
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uint64_t received_bytes = 0;
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void speed_printer() {
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while (true) {
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uint64_t packets_before = received_packets;
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boost::this_thread::sleep(boost::posix_time::seconds(1));
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uint64_t packets_after = received_packets;
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uint64_t pps = packets_after - packets_before;
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printf("We process: %llu pps\n", pps);
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}
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}
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void flush_block(struct block_desc* pbd) {
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pbd->h1.block_status = TP_STATUS_KERNEL;
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}
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void walk_block(struct block_desc* pbd, const int block_num) {
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int num_pkts = pbd->h1.num_pkts, i;
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unsigned long bytes = 0;
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struct tpacket3_hdr* ppd;
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ppd = (struct tpacket3_hdr*)((uint8_t*)pbd + pbd->h1.offset_to_first_pkt);
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for (i = 0; i < num_pkts; ++i) {
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bytes += ppd->tp_snaplen;
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// struct ethhdr *eth = (struct ethhdr *) ((uint8_t *) ppd + ppd->tp_mac);
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// Print packets
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// #define PRINT_PACKETS
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#ifdef PRINT_PACKETS
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struct pfring_pkthdr packet_header;
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memset(&packet_header, 0, sizeof(packet_header));
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packet_header.len = ppd->tp_snaplen;
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packet_header.caplen = ppd->tp_snaplen;
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u_int8_t timestamp = 0;
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u_int8_t add_hash = 0;
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u_char* data_pointer = (u_char*)((uint8_t*)ppd + ppd->tp_mac);
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fastnetmon_parse_pkt(data_pointer, &packet_header, 4, timestamp, add_hash);
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char print_buffer[512];
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fastnetmon_print_parsed_pkt(print_buffer, 512, data_pointer, &packet_header);
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printf("%s\n", print_buffer);
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#endif
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ppd = (struct tpacket3_hdr*)((uint8_t*)ppd + ppd->tp_next_offset);
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}
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received_packets += num_pkts;
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received_bytes += bytes;
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}
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int setup_socket(std::string interface_name, int fanout_group_id) {
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// More details here: http://man7.org/linux/man-pages/man7/packet.7.html
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// We could use SOCK_RAW or SOCK_DGRAM for second argument
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// SOCK_RAW - raw packets pass from the kernel
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// SOCK_DGRAM - some amount of processing
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// Third argument manage ether type of captured packets
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int packet_socket = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
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if (packet_socket == -1) {
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printf("Can't create AF_PACKET socket\n");
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return -1;
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}
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// We whould use V3 bcause it could read/pool in per block basis instead per packet
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int version = TPACKET_V3;
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int setsockopt_packet_version = setsockopt(packet_socket, SOL_PACKET, PACKET_VERSION, &version, sizeof(version));
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if (setsockopt_packet_version < 0) {
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printf("Can't set packet v3 version\n");
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return -1;
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}
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int interface_number = get_interface_number_by_device_name(packet_socket, interface_name);
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if (interface_number == -1) {
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printf("Can't get interface number by interface name\n");
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return -1;
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}
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// Switch to PROMISC mode
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struct packet_mreq sock_params;
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memset(&sock_params, 0, sizeof(sock_params));
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sock_params.mr_type = PACKET_MR_PROMISC;
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sock_params.mr_ifindex = interface_number;
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int set_promisc = setsockopt(packet_socket, SOL_PACKET, PACKET_ADD_MEMBERSHIP, (void*)&sock_params, sizeof(sock_params));
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if (set_promisc == -1) {
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printf("Can't enable promisc mode\n");
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return -1;
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}
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struct sockaddr_ll bind_address;
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memset(&bind_address, 0, sizeof(bind_address));
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bind_address.sll_family = AF_PACKET;
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bind_address.sll_protocol = htons(ETH_P_ALL);
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bind_address.sll_ifindex = interface_number;
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// We will follow http://yusufonlinux.blogspot.ru/2010/11/data-link-access-and-zero-copy.html
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// And this: https://www.kernel.org/doc/Documentation/networking/packet_mmap.txt
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struct tpacket_req3 req;
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memset(&req, 0, sizeof(req));
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req.tp_block_size = blocksiz;
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req.tp_frame_size = framesiz;
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req.tp_block_nr = blocknum;
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req.tp_frame_nr = (blocksiz * blocknum) / framesiz;
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req.tp_retire_blk_tov = 60; // Timeout in msec
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req.tp_feature_req_word = TP_FT_REQ_FILL_RXHASH;
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int setsockopt_rx_ring = setsockopt(packet_socket, SOL_PACKET, PACKET_RX_RING, (void*)&req, sizeof(req));
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if (setsockopt_rx_ring == -1) {
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printf("Can't enable RX_RING for AF_PACKET socket\n");
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return -1;
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}
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// We use per thread structures
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uint8_t* mapped_buffer = NULL;
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struct iovec* rd = NULL;
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mapped_buffer = (uint8_t*)mmap(NULL, req.tp_block_size * req.tp_block_nr, PROT_READ | PROT_WRITE,
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MAP_SHARED | MAP_LOCKED, packet_socket, 0);
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if (mapped_buffer == MAP_FAILED) {
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printf("mmap failed!\n");
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return -1;
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}
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// Allocate iov structure for each block
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rd = (struct iovec*)malloc(req.tp_block_nr * sizeof(struct iovec));
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// Initilize iov structures
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for (int i = 0; i < req.tp_block_nr; ++i) {
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rd[i].iov_base = mapped_buffer + (i * req.tp_block_size);
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rd[i].iov_len = req.tp_block_size;
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}
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int bind_result = bind(packet_socket, (struct sockaddr*)&bind_address, sizeof(bind_address));
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if (bind_result == -1) {
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printf("Can't bind to AF_PACKET socket\n");
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return -1;
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}
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if (fanout_group_id) {
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// PACKET_FANOUT_LB - round robin
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// PACKET_FANOUT_CPU - send packets to CPU where packet arrived
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int fanout_type = PACKET_FANOUT_CPU;
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int fanout_arg = (fanout_group_id | (fanout_type << 16));
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int setsockopt_fanout = setsockopt(packet_socket, SOL_PACKET, PACKET_FANOUT, &fanout_arg, sizeof(fanout_arg));
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if (setsockopt_fanout < 0) {
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printf("Can't configure fanout\n");
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return -1;
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}
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}
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unsigned int current_block_num = 0;
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|
||||
struct pollfd pfd;
|
||||
memset(&pfd, 0, sizeof(pfd));
|
||||
|
||||
pfd.fd = packet_socket;
|
||||
pfd.events = POLLIN | POLLERR;
|
||||
pfd.revents = 0;
|
||||
|
||||
while (true) {
|
||||
struct block_desc* pbd = (struct block_desc*)rd[current_block_num].iov_base;
|
||||
|
||||
if ((pbd->h1.block_status & TP_STATUS_USER) == 0) {
|
||||
poll(&pfd, 1, -1);
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
walk_block(pbd, current_block_num);
|
||||
flush_block(pbd);
|
||||
current_block_num = (current_block_num + 1) % blocknum;
|
||||
}
|
||||
|
||||
return packet_socket;
|
||||
}
|
||||
|
||||
void start_af_packet_capture(std::string interface_name, int fanout_group_id) {
|
||||
setup_socket(interface_name, fanout_group_id);
|
||||
}
|
||||
|
||||
void get_af_packet_stats() {
|
||||
// getsockopt PACKET_STATISTICS
|
||||
}
|
||||
|
||||
// Could get some speed up on NUMA servers
|
||||
bool execute_strict_cpu_affinity = false;
|
||||
|
||||
bool use_multiple_fanout_processes = true;
|
||||
|
||||
int main() {
|
||||
int fanout_group_id = getpid() & 0xffff;
|
||||
|
||||
boost::thread speed_printer_thread(speed_printer);
|
||||
|
||||
if (use_multiple_fanout_processes) {
|
||||
boost::thread_group packet_receiver_thread_group;
|
||||
|
||||
unsigned int num_cpus = 8;
|
||||
for (int cpu = 0; cpu < num_cpus; cpu++) {
|
||||
boost::thread::attributes thread_attrs;
|
||||
|
||||
if (execute_strict_cpu_affinity) {
|
||||
cpu_set_t current_cpu_set;
|
||||
|
||||
int cpu_to_bind = cpu % num_cpus;
|
||||
CPU_ZERO(¤t_cpu_set);
|
||||
// We count cpus from zero
|
||||
CPU_SET(cpu_to_bind, ¤t_cpu_set);
|
||||
|
||||
int set_affinity_result =
|
||||
pthread_attr_setaffinity_np(thread_attrs.native_handle(), sizeof(cpu_set_t), ¤t_cpu_set);
|
||||
|
||||
if (set_affinity_result != 0) {
|
||||
printf("Can't set CPU affinity for thread\n");
|
||||
}
|
||||
}
|
||||
|
||||
packet_receiver_thread_group.add_thread(
|
||||
new boost::thread(thread_attrs, boost::bind(start_af_packet_capture, "eth6", fanout_group_id)));
|
||||
}
|
||||
|
||||
// Wait all processes for finish
|
||||
packet_receiver_thread_group.join_all();
|
||||
} else {
|
||||
start_af_packet_capture("eth6", 0);
|
||||
}
|
||||
|
||||
speed_printer_thread.join();
|
||||
}
|
||||
|
|
@ -1,33 +0,0 @@
|
|||
#include <bson.h>
|
||||
#include <mongoc.h>
|
||||
#include <stdio.h>
|
||||
|
||||
// g++ mongodb_client.cpp $(PKG_CONFIG_PATH=/opt/mongo_c_driver/lib/pkgconfig pkg-config --cflags --libs libmongoc-1.0)
|
||||
int main(int argc, char* argv[]) {
|
||||
mongoc_client_t* client;
|
||||
mongoc_collection_t* collection;
|
||||
mongoc_cursor_t* cursor;
|
||||
bson_error_t error;
|
||||
bson_oid_t oid;
|
||||
bson_t* doc;
|
||||
|
||||
mongoc_init();
|
||||
|
||||
client = mongoc_client_new("mongodb://localhost:27017/");
|
||||
collection = mongoc_client_get_collection(client, "test", "test");
|
||||
|
||||
doc = bson_new();
|
||||
bson_oid_init(&oid, NULL);
|
||||
BSON_APPEND_OID(doc, "_id", &oid);
|
||||
BSON_APPEND_UTF8(doc, "hello", "world");
|
||||
|
||||
if (!mongoc_collection_insert(collection, MONGOC_INSERT_NONE, doc, NULL, &error)) {
|
||||
printf("Error: %s\n", error.message);
|
||||
}
|
||||
|
||||
bson_destroy(doc);
|
||||
mongoc_collection_destroy(collection);
|
||||
mongoc_client_destroy(client);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,45 +0,0 @@
|
|||
#include <arpa/inet.h>
|
||||
#include <errno.h>
|
||||
#include <iostream>
|
||||
#include <netdb.h>
|
||||
#include <netinet/in.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/types.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <time.h>
|
||||
|
||||
int main() {
|
||||
int sockfd = 0;
|
||||
|
||||
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
|
||||
printf("\n Error : Could not create socket \n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
struct sockaddr_in serv_addr;
|
||||
memset(&serv_addr, 0, sizeof(serv_addr));
|
||||
|
||||
serv_addr.sin_family = AF_INET;
|
||||
serv_addr.sin_port = htons(2003);
|
||||
|
||||
if (inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr) <= 0) {
|
||||
printf("\n inet_pton error occured\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (connect(sockfd, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
|
||||
printf("\n Error : Connect Failed \n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
unsigned long long pps = 10000778;
|
||||
char buffer[256];
|
||||
sprintf(buffer, "client.ip.in.udp %ld %ld\n", pps, time(NULL));
|
||||
int write_result = write(sockfd, buffer, strlen(buffer));
|
||||
|
||||
printf("We store %d bytes\n", write_result);
|
||||
}
|
||||
Loading…
Reference in New Issue