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/* | ||
* Copyright 2020-present Daniel Trugman | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#include <regex> | ||
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#include "format.hpp" | ||
#include "log.hpp" | ||
#include "tool.hpp" | ||
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static const std::string TCP("tcp"); | ||
static const std::string UDP("udp"); | ||
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void task_netstat(const pfs::task& task, const std::string& type) | ||
{ | ||
LOG("========================================================="); | ||
LOG("Netstat for task ID[" << task.id() << "]"); | ||
LOG("========================================================="); | ||
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auto inodes = task.get_fds_inodes(); | ||
pfs::net::net_socket_filter filter = [&inodes](const pfs::net_socket& sock){ | ||
return inodes.find(sock.inode) == inodes.end(); | ||
}; | ||
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auto net = task.get_net(); | ||
std::vector<pfs::net_socket> sockets; | ||
if (type == TCP) | ||
{ | ||
sockets = net.get_tcp(filter); | ||
} | ||
else if (type == UDP) | ||
{ | ||
sockets = net.get_udp(filter); | ||
} | ||
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print(sockets); | ||
} | ||
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int tool_netstat(std::vector<std::string>&& args) | ||
{ | ||
if (args.size() < 1) | ||
{ | ||
return -EINVAL; | ||
} | ||
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std::string type(args[0]); | ||
if (type != TCP && type != UDP) | ||
{ | ||
return -EINVAL; | ||
} | ||
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try | ||
{ | ||
pfs::procfs pfs; | ||
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if (args.size() > 1) | ||
{ | ||
for (unsigned arg = 1; arg < args.size(); ++arg) | ||
{ | ||
auto id = std::stoi(args[arg]); | ||
auto task = pfs.get_task(id); | ||
task_netstat(task, type); | ||
} | ||
} | ||
else | ||
{ | ||
for (auto& task : pfs.get_processes()) | ||
{ | ||
task_netstat(task, type); | ||
} | ||
} | ||
} | ||
catch (const std::runtime_error& ex) | ||
{ | ||
LOG("Error when printing netstat:"); | ||
LOG(TAB << ex.what()); | ||
} | ||
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return 0; | ||
} |