在CentOS系统上进行Fortran网络编程,你需要了解一些基本的网络编程概念,比如套接字(sockets)、IP地址、端口号等,并且熟悉相关的API。以下是详细步骤:
推荐使用 gfortran 或 Intel Fortran Compiler (ifort)。在CentOS系统上,可以通过包管理器安装gfortran:
sudo yum install gcc-gfortran
以下是一个简单的TCP服务器和客户端示例代码:
program tcp_server
use, intrinsic :: iso_c_binding
implicit none
integer(c_int), parameter :: port = 8080
integer(c_int) :: server_fd, new_socket
type(sockaddr_in) :: address
integer(c_int) :: addrlen
character(c_char), dimension(*) :: buffer
! 创建套接字
server_fd = socket(AF_INET, SOCK_STREAM, 0)
if (server_fd < 0) then
print *, "Error creating socket"
stop
end if
! 配置套接字
address%sin_family = AF_INET
address%sin_addr%s_addr = inet_addr("127.0.0.1")
address%sin_port = htons(port)
bind(server_fd, address, sizeof(address))
if (server_fd < 0) then
print *, "Error binding socket"
stop
end if
listen(server_fd, 5)
if (server_fd < 0) then
print *, "Error listening on socket"
stop
end if
addrlen = sizeof(address)
new_socket = accept(server_fd, address, addrlen)
if (new_socket < 0) then
print *, "Error accepting connection"
stop
end if
! 数据传输
buffer = "Hello from server!"
send(new_socket, buffer, len(buffer), 0)
print *, "Hello message sent"
close(new_socket)
close(server_fd)
end program tcp_server
program tcp_client
use, intrinsic :: iso_c_binding
implicit none
integer(c_int), parameter :: port = 8080
integer(c_int) :: sock
type(sockaddr_in) :: serv_addr
integer(c_int) :: clilen
character(c_char), dimension(*) :: buffer
! 创建套接字
sock = socket(AF_INET, SOCK_STREAM, 0)
if (sock < 0) then
print *, "Socket creation error"
stop
end if
serv_addr%sin_family = AF_INET
serv_addr%sin_port = htons(port)
! 将IPv4和IPv6地址从文本转换为二进制形式
if (inet_pton(AF_INET, "127.0.0.1", serv_addr%sin_addr) <= 0) then
print *, "Invalid address/ Address not supported"
stop
end if
if (connect(sock, serv_addr, sizeof(serv_addr)) < 0) then
print *, "Connection Failed"
stop
end if
buffer = "Hello from client"
call send(sock, buffer, len(buffer), 0)
print *, "Message sent"
buffer = " "
call recv(sock, buffer, len(buffer), 0)
print *, "Message received: ", buffer
close(sock)
end program tcp_client
使用gfortran编译上述Fortran源代码文件:
gfortran -o server server.f90
gfortran -o client client.f90
然后运行编译后的程序:
./server
./client
通过以上步骤,你可以在CentOS系统上使用Fortran进行基本的网络编程。根据具体需求,你可能需要深入学习相关的库和API。