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562663df7c
Only the receive timeout is hooked up yet. You can change the timeout by calling setsockopt(..., SOL_SOCKET, SO_RCVTIMEO, ...). Use this mechanism to make /bin/ping report timeouts.
122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
#include <Kernel/Socket.h>
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#include <Kernel/LocalSocket.h>
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#include <Kernel/IPv4Socket.h>
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#include <Kernel/UnixTypes.h>
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#include <Kernel/Process.h>
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#include <LibC/errno_numbers.h>
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KResultOr<Retained<Socket>> Socket::create(int domain, int type, int protocol)
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{
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(void)protocol;
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switch (domain) {
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case AF_LOCAL:
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return LocalSocket::create(type & SOCK_TYPE_MASK);
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case AF_INET:
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return IPv4Socket::create(type & SOCK_TYPE_MASK, protocol);
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default:
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return KResult(-EAFNOSUPPORT);
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}
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}
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Socket::Socket(int domain, int type, int protocol)
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: m_domain(domain)
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, m_type(type)
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, m_protocol(protocol)
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{
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m_origin_pid = current->pid();
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}
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Socket::~Socket()
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{
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}
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KResult Socket::listen(int backlog)
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{
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LOCKER(m_lock);
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if (m_type != SOCK_STREAM)
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return KResult(-EOPNOTSUPP);
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m_backlog = backlog;
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kprintf("Socket{%p} listening with backlog=%d\n", this, m_backlog);
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return KSuccess;
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}
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RetainPtr<Socket> Socket::accept()
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{
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LOCKER(m_lock);
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if (m_pending.is_empty())
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return nullptr;
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auto client = m_pending.take_first();
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ASSERT(!client->is_connected());
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client->m_connected = true;
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m_clients.append(client.copy_ref());
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return client;
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}
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KResult Socket::queue_connection_from(Socket& peer)
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{
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LOCKER(m_lock);
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if (m_pending.size() >= m_backlog)
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return KResult(-ECONNREFUSED);
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m_pending.append(peer);
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return KSuccess;
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}
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KResult Socket::setsockopt(int level, int option, const void* value, socklen_t value_size)
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{
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ASSERT(level == SOL_SOCKET);
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switch (option) {
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case SO_SNDTIMEO:
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if (value_size != sizeof(timeval))
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return KResult(-EINVAL);
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m_send_timeout = *(timeval*)value;
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return KSuccess;
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case SO_RCVTIMEO:
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if (value_size != sizeof(timeval))
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return KResult(-EINVAL);
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m_receive_timeout = *(timeval*)value;
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return KSuccess;
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default:
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kprintf("%s(%u): setsockopt() at SOL_SOCKET with unimplemented option %d\n", option);
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return KResult(-ENOPROTOOPT);
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}
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}
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KResult Socket::getsockopt(int level, int option, void* value, socklen_t* value_size)
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{
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ASSERT(level == SOL_SOCKET);
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switch (option) {
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case SO_SNDTIMEO:
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if (*value_size < sizeof(timeval))
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return KResult(-EINVAL);
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*(timeval*)value = m_send_timeout;
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*value_size = sizeof(timeval);
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return KSuccess;
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case SO_RCVTIMEO:
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if (*value_size < sizeof(timeval))
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return KResult(-EINVAL);
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*(timeval*)value = m_receive_timeout;
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*value_size = sizeof(timeval);
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return KSuccess;
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default:
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kprintf("%s(%u): getsockopt() at SOL_SOCKET with unimplemented option %d\n", option);
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return KResult(-ENOPROTOOPT);
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}
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}
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void Socket::load_receive_deadline()
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{
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kgettimeofday(m_receive_deadline);
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m_receive_deadline.tv_sec += m_receive_timeout.tv_sec;
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m_receive_deadline.tv_usec += m_receive_timeout.tv_usec;
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m_receive_deadline.tv_sec += (m_send_timeout.tv_usec / 1000000) * 1;
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m_receive_deadline.tv_usec %= 1000000;
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}
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void Socket::load_send_deadline()
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{
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kgettimeofday(m_send_deadline);
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m_send_deadline.tv_sec += m_send_timeout.tv_sec;
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m_send_deadline.tv_usec += m_send_timeout.tv_usec;
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m_send_deadline.tv_sec += (m_send_timeout.tv_usec / 1000000) * 1;
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m_send_deadline.tv_usec %= 1000000;
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}
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