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fixed client so that the user can update themselves!

This commit is contained in:
zongor 2023-10-13 00:45:46 -04:00
parent 0b09e0ab60
commit f323d09d9f
7 changed files with 502 additions and 470 deletions
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BIN
common/sql/test.db3
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5
fortran/client/app/main.f90
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@ -3,6 +3,7 @@ program main
use iso_c_binding
use raylib
use player_mod
use json_module
implicit none
integer(c_int) :: screen_width = 800
@ -15,6 +16,7 @@ program main
character(len=24) :: password
integer :: i, status
logical :: player_updated, exist
real(c_double) :: time
inquire (file="debug.log", exist=exist)
if (exist) then
@ -57,11 +59,14 @@ program main
call me%sync_camera(camera)
time = get_time()
if (modulo(time, 1.0) .ge. 0.98_c_double) then
if (player_updated) then
players = me%move()
else
players = me%ping()
end if
end if
call begin_drawing()
call clear_background(RAYWHITE)

88
fortran/client/src/player.f90
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@ -4,11 +4,11 @@ module player_mod
use raylib
use json_module
use mod_dill, only: ipaddr, ipaddr_remote, IPADDR_IPV4, mrecv, msend, tcp_connect, &
suffix_attach
suffix_attach, tcp_close, suffix_detach
implicit none
type player
character(len=24):: username
character(len=:), allocatable :: username
type(vector3) :: position
type(color) :: apperance
contains
@ -21,12 +21,10 @@ module player_mod
contains
type(player) function init_player(username, position, apperance, fifo_write, fifo_read) result(this)
type(player) function init_player(username, position, apperance) result(this)
character(24) :: username
type(vector3) :: position
type(color) :: apperance
integer :: fifo_write
integer :: fifo_read
this%username = username
this%position = position
@ -80,69 +78,83 @@ contains
class(player) :: this
type(player), dimension(:), allocatable :: players
integer :: request_type
character(len=24) :: username
character(len=:), allocatable :: username
character(len=:), allocatable :: local_username
integer :: apperance_r, apperance_g, apperance_b, i, count
real(c_float) :: x_pos, y_pos
real(real64) :: x_pos, y_pos
integer(c_size_t) :: message_size, msglen = 1024
character(c_char) :: message(1024) = ''
character(len=256) :: f_message
type(json_value), pointer :: root, user, recv_users
type(json_core) :: json
character(len=:), allocatable :: str
character(len=1024) :: jsn_string
character(len=10) :: istr
logical :: found
integer(c_int) :: rc, connection
integer(c_size_t) :: message_size, msglen = 256
type(ipaddr) :: addr
character(c_char) :: message(256) = ''
character(len=256) :: f_message
character(len=*), parameter :: TCP_SUFFIX = c_carriage_return//c_new_line//c_null_char
type(json_value), pointer :: root, user
type(json_file) :: json
character(len=:), allocatable :: str
character(len=255) :: jsn_string
character(len=10) :: i_str
logical :: found
rc = ipaddr_remote(addr, '127.0.0.1'//c_null_char, 5555_c_int, IPADDR_IPV4, -1_c_int64_t)
connection = tcp_connect(addr, -1_c_int64_t)
connection = suffix_attach(connection, TCP_SUFFIX, 2_c_size_t)
call json%initialize()
call json%initialize(path_mode=2)
call json%create_object(root, '')
call json%create_object(user, 'user')
call json%add(user, 'username', this%username)
local_username = this%username(:Len_Trim(this%username))
call json%add(user, 'username', local_username)
call json%add(user, 'x_pos', this%position%x)
call json%add(user, 'y_pos', this%position%y)
call json%add(user, 'y_pos', this%position%z)
call json%add(user, 'command', request_type)
call json%add(root, user)
call json%serialize(root, str)
call json%print(root)
connection = suffix_attach(connection, TCP_SUFFIX, 2_c_size_t)
rc = msend(connection, f_c_string(str, .true.), &
transfer(Len_Trim(f_c_string(str, .true.)), 0_c_size_t), -1_c_int64_t)
transfer(Len_Trim(str) + 1, 0_c_size_t), -1_c_int64_t)
call json%destroy()
connection = suffix_detach(connection, -1_c_size_t)
connection = suffix_attach(connection, TCP_SUFFIX, 2_c_size_t)
call json%initialize()
message_size = mrecv(connection, message, msglen, -1_c_int64_t)
print *, 'recv message: ', message
print *, 'message=', message
call c_f_string(message, jsn_string)
call json%deserialize(jsn_string(:Len_Trim(jsn_string)))
call json%info('/users', n_children=count)
call json%deserialize(recv_users, jsn_string(:Len_Trim(jsn_string)))
print *, count
call json%info(recv_users, '/users', n_children=count)
if (allocated(players)) then
deallocate (players)
end if
if (count > 0) then
do i = 0, count - 1
write (i_str, fmt='(I10)') i
i_str = adjustl(i_str)
call json%get("/users/"//istr//"/apperance_r", apperance_r, found)
write (istr, fmt='(I10)') i
istr = adjustl(istr)
call json%get(recv_users, "/users/"//istr//"/apperance_r", apperance_r, found)
if (.not. found) stop 1
call json%get("/users/"//istr//"/apperance_g", apperance_g, found)
call json%get(recv_users, "/users/"//istr//"/apperance_g", apperance_g, found)
if (.not. found) stop 1
call json%get("/users/"//istr//"/apperance_b", apperance_b, found)
call json%get(recv_users, "/users/"//istr//"/apperance_b", apperance_b, found)
if (.not. found) stop 1
call json%get("/users/"//istr//"/x_pos", x_pos, found)
call json%get(recv_users, "/users/"//istr//"/x_pos", x_pos, found)
if (.not. found) stop 1
call json%get("/users/"//istr//"/y_pos", y_pos, found)
call json%get(recv_users, "/users/"//istr//"/y_pos", y_pos, found)
if (.not. found) stop 1
call json%get("/users/"//istr//"/username", username, found)
call json%get(recv_users, "/users/"//istr//"/username", username, found)
if (.not. found) stop 1
if (allocated(players)) then
@ -153,8 +165,12 @@ contains
color(apperance_r, apperance_g, apperance_b, 255))]
end if
end do
end if
nullify (recv_users)
call json%destroy()
rc = tcp_close(connection, -1_c_int64_t)
end function send_packet
! from ivanpribec `https://fortran-lang.discourse.group/t/best-practices-for-passing-c-strings/104/12`

5
fortran/client/src/raylib.f90
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@ -483,5 +483,10 @@ module raylib
type(vector2), intent(in), value :: size
type(color), intent(in), value :: col
end subroutine draw_plane
function get_time() result(res) bind(c, name="GetTime")
import :: c_double
real(c_double) :: res
end function get_time
end interface
end module

10
fortran/server/app/main.f90
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@ -54,7 +54,9 @@ program main
call ipaddr_str(addr, address_string)
print *, 'New connection from '//trim(address_string)
connection = suffix_attach(connection, TCP_SUFFIX, 2_c_size_t)
print *, 'connected'
message_size = mrecv(connection, message, msglen, -1_c_int64_t)
print *, message_size
call c_f_string(message, jsn_string)
@ -73,20 +75,20 @@ program main
call json%destroy()
if (command .eq. 0) then ! get all logged in users and return their positions to client
rc = db_get_logged_in_users(db, connection)
else if (command .eq. 1) then
rc = db_login_user(db, username)
rc = db_get_logged_in_users(db, connection)
else if (command .eq. 3) then ! update new pos to database
rc = db_move_user(db, username, x_pos, y_pos)
rc = db_get_logged_in_users(db, connection)
else ! (2) if logout update logged_in to database
rc = db_logout_user(db, username)
rc = db_get_logged_in_users(db, connection)
exit server_loop
end if
rc = db_get_logged_in_users(db, connection)
rc = tcp_close(connection, -1_c_int64_t)
end do server_loop
rc = tcp_close(connection, -1_c_int64_t)
rc = db_close(db)
contains

10
fortran/server/src/db.f90
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@ -3,8 +3,7 @@ module db
use iso_fortran_env
use iso_c_binding
use json_module
use mod_dill, only: ipaddr, ipaddr_remote, IPADDR_IPV4, mrecv, msend, tcp_connect, &
suffix_attach
use mod_dill, only: msend, suffix_attach, suffix_detach
use :: sqlite3
implicit none
private
@ -145,6 +144,7 @@ contains
!! Prints number of courses per student to standard output.
type(db_type), intent(inout) :: db
integer(c_int), intent(inout) :: connection
character(len=*), parameter :: TCP_SUFFIX = c_carriage_return // c_new_line // c_null_char
character(len=:), allocatable :: str
type(json_value), pointer :: root, users, user
@ -198,8 +198,12 @@ contains
call json%add(root, users)
call json%serialize(root, str)
print *, 'sending users'
call json%print(root)
rc = msend(connection, f_c_string(str, .true.), &
transfer(Len_Trim(f_c_string(str, .true.)), 0_c_size_t), -1_c_int64_t)
call json%destroy()
rc = sqlite3_finalize(stmt)
@ -215,7 +219,7 @@ contains
"UPDATE users SET logged_in = 1 WHERE users.username = ?;", stmt)
call db_error(rc, 'sqlite3_prepare_v2()')
rc = sqlite3_bind_text(stmt, 1, username)
rc = sqlite3_bind_text(stmt, 1, username(:Len_Trim(username)))
call db_error(rc, 'sqlite3_bind_text()')
rc = sqlite3_step(stmt)