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require_relative '../spec_helper'
require_relative '../fixtures/classes'
describe "Socket::IPSocket#recvfrom" do
before :each do
@server = TCPServer.new("127.0.0.1", 0)
@port = @server.addr[1]
@client = TCPSocket.new("127.0.0.1", @port)
end
after :each do
@server.close unless @server.closed?
@client.close unless @client.closed?
end
it "reads data from the connection" do
data = nil
t = Thread.new do
client = @server.accept
begin
data = client.recvfrom(6)
ensure
client.close
end
end
@client.send('hello', 0)
@client.shutdown rescue nil
# shutdown may raise Errno::ENOTCONN when sent data is pending.
t.join
data.first.should == 'hello'
end
it "reads up to len bytes" do
data = nil
t = Thread.new do
client = @server.accept
begin
data = client.recvfrom(3)
ensure
client.close
end
end
@client.send('hello', 0)
@client.shutdown rescue nil
t.join
data.first.should == 'hel'
end
it "returns an array with the data and connection info" do
data = nil
t = Thread.new do
client = @server.accept
data = client.recvfrom(3)
client.close
end
@client.send('hello', 0)
@client.shutdown rescue nil
t.join
data.size.should == 2
data.first.should == "hel"
# This does not apply to every platform, dependent on recvfrom(2)
# data.last.should == nil
end
end
describe "Socket::IPSocket#recvfrom" do
context "when recvfrom(2) returns 0 (if no messages are available to be received and the peer has performed an orderly shutdown)" do
describe "stream socket" do
before :each do
@server = TCPServer.new("127.0.0.1", 0)
port = @server.addr[1]
@client = TCPSocket.new("127.0.0.1", port)
end
after :each do
@server.close unless @server.closed?
@client.close unless @client.closed?
end
ruby_version_is ""..."3.3" do
it "returns an empty String as received data on a closed stream socket" do
t = Thread.new do
client = @server.accept
message = client.recvfrom(10)
message
ensure
client.close if client
end
Thread.pass while t.status and t.status != "sleep"
t.status.should_not be_nil
@client.close
t.value.should.is_a? Array
t.value[0].should == ""
end
end
ruby_version_is "3.3" do
it "returns nil on a closed stream socket" do
t = Thread.new do
client = @server.accept
message = client.recvfrom(10)
message
ensure
client.close if client
end
Thread.pass while t.status and t.status != "sleep"
t.status.should_not be_nil
@client.close
t.value.should be_nil
end
end
end
describe "datagram socket" do
SocketSpecs.each_ip_protocol do |family, ip_address|
before :each do
@server = UDPSocket.new(family)
@client = UDPSocket.new(family)
end
after :each do
@server.close unless @server.closed?
@client.close unless @client.closed?
end
it "returns an empty String as received data" do
@server.bind(ip_address, 0)
addr = @server.connect_address
@client.connect(addr.ip_address, addr.ip_port)
@client.send('', 0)
message = @server.recvfrom(1)
message.should.is_a? Array
message[0].should == ""
end
end
end
end
end
describe 'Socket::IPSocket#recvfrom' do
SocketSpecs.each_ip_protocol do |family, ip_address, family_name|
before do
@server = UDPSocket.new(family)
@client = UDPSocket.new(family)
@server.bind(ip_address, 0)
@client.connect(ip_address, @server.connect_address.ip_port)
@hostname = Socket.getaddrinfo(ip_address, nil)[0][2]
end
after do
@client.close
@server.close
end
it 'returns an Array containing up to N bytes and address information' do
@client.write('hello')
port = @client.local_address.ip_port
ret = @server.recvfrom(2)
ret.should == ['he', [family_name, port, @hostname, ip_address]]
end
it 'allows specifying of flags when receiving data' do
@client.write('hello')
@server.recvfrom(2, Socket::MSG_PEEK)[0].should == 'he'
@server.recvfrom(2)[0].should == 'he'
end
describe 'using reverse lookups' do
before do
@server.do_not_reverse_lookup = false
@hostname = Socket.getaddrinfo(ip_address, nil, 0, 0, 0, 0, true)[0][2]
end
it 'includes the hostname in the address Array' do
@client.write('hello')
port = @client.local_address.ip_port
ret = @server.recvfrom(2)
ret.should == ['he', [family_name, port, @hostname, ip_address]]
end
end
end
end
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