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update to use new sql stuff

This commit is contained in:
zongor 2023-09-10 15:25:00 -04:00
parent f29fba4f11
commit cb77591be1
5 changed files with 29 additions and 25 deletions
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BIN
common/sql/test.db3
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4
fortran/README.md
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@ -1,6 +1,6 @@
# Programming Language Project Fortran Implementation
# Programming Language Project Fortran Implementation or, a Fortran CGI program abuses a sqlite3 database to implement a game server
[fortran-µhttpd (game website & webserver)](./www-f/README.md)
[fortran-µhttpd (game website & webserver)](./www/README.md)
server (game backend)

6
fortran/www/app/main.f90
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@ -1,4 +1,5 @@
program main
use, intrinsic :: iso_c_binding
use www
use db
implicit none
@ -58,6 +59,8 @@ contains
character(len=24) :: username
character(len=24) :: password
character(len=8) :: appearance
real(kind=c_double) :: x_pos = 0.0_c_double
real(kind=c_double) :: y_pos = 0.0_c_double
logical :: start = .false.
type(db_type) :: db
@ -111,7 +114,8 @@ contains
appearance = transfer(request(s_idx:length), appearance)
rc = db_open(db, db_path(:Len_Trim(db_path)))
rc = db_add_user(db, username(:username_len), password(:password_len), appearance(:Len_Trim(appearance)), 0, 0, 0, time())
rc = db_add_user(db, username(:username_len), password(:password_len), &
appearance(:Len_Trim(appearance)), x_pos, y_pos, 0, time())
rc = db_close(db)
end subroutine add_user

1
fortran/www/fpm.toml
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@ -5,7 +5,6 @@ maintainer = "admin@alfrescocavern.com"
name = "fortran-micro-httpd"
version = "0.1.0"
[build]
link = ["pthread", "libdill"]
auto-examples = true
auto-executables = true
auto-tests = false

43
fortran/www/src/db.f90
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@ -15,7 +15,7 @@ module db
public :: db_close
public :: db_open
public :: db_create_users
public :: db_get_users
public :: db_get_logged_in_users
public :: db_add_user
public :: db_delete_user
@ -59,27 +59,27 @@ contains
rc = db_exec(db, "CREATE TABLE users " &
// "(id INTEGER PRIMARY KEY ASC, " &
// "username TEXT, password TEXT, " &
// "apperance TEXT, x_pos INTEGER, " &
// "y_pos INTEGER, last_login INTEGER, " &
// "apperance TEXT, x_pos REAL, " &
// "y_pos REAL, logged_in INTEGER, " &
// "created INTEGER);")
if (rc /= SQLITE_OK) return
end function db_create_users
integer function db_add_user(db, username, password, apperance, x_pos, y_pos, last_login, created) result(rc)
integer function db_add_user(db, username, password, apperance, x_pos, y_pos, logged_in, created) result(rc)
!! Adds student to database.
type(db_type), intent(inout) :: db
character(len=*), intent(in) :: username
character(len=*), intent(in) :: password
character(len=*), intent(in) :: apperance
integer, intent(in) :: x_pos
integer, intent(in) :: y_pos
integer, intent(in) :: last_login
integer, intent(in) :: created
real(kind=c_double), intent(in) :: x_pos
real(kind=c_double), intent(in) :: y_pos
integer(kind=c_int), intent(in) :: logged_in
integer(kind=c_int), intent(in) :: created
type(c_ptr) :: stmt
! Insert values through prepared statement.
rc = sqlite3_prepare_v2(db%ptr, "INSERT INTO users(username, password, " &
//"apperance, x_pos, y_pos, last_login, created) VALUES (?,?,?,?,?,?,?)", stmt)
//"apperance, x_pos, y_pos, logged_in, created) VALUES (?,?,?,?,?,?,?)", stmt)
call db_error(rc, 'sqlite3_prepare_v2()')
rc = sqlite3_bind_text(stmt, 1, username)
@ -88,11 +88,11 @@ contains
call db_error(rc, 'sqlite3_bind_text()')
rc = sqlite3_bind_text(stmt, 3, apperance)
call db_error(rc, 'sqlite3_bind_text()')
rc = sqlite3_bind_int(stmt, 4, x_pos)
call db_error(rc, 'sqlite3_bind_int()')
rc = sqlite3_bind_int(stmt, 5, y_pos)
call db_error(rc, 'sqlite3_bind_int()')
rc = sqlite3_bind_int(stmt, 6, last_login)
rc = sqlite3_bind_double(stmt, 4, x_pos)
call db_error(rc, 'sqlite3_bind_double()')
rc = sqlite3_bind_double(stmt, 5, y_pos)
call db_error(rc, 'sqlite3_bind_double()')
rc = sqlite3_bind_int(stmt, 6, logged_in)
call db_error(rc, 'sqlite3_bind_int()')
rc = sqlite3_bind_int(stmt, 7, created)
call db_error(rc, 'sqlite3_bind_int()')
@ -129,17 +129,17 @@ contains
call db_error(rc, 'sqlite3_finalize()')
end function db_delete_user
integer function db_get_users(db) result(rc)
integer function db_get_logged_in_users(db) result(rc)
!! Prints number of courses per student to standard output.
type(db_type), intent(inout) :: db
type(c_ptr) :: stmt
character(len=24) :: username
character(len=24) :: password
real(kind=c_double) :: x_pos, y_pos
rc = sqlite3_prepare_v2(db%ptr, &
"SELECT username, password " // &
"FROM users;", stmt)
"SELECT username, x_pos, y_pos " // &
"FROM users u WHERE u.logged_in = 1;", stmt)
call db_error(rc, 'sqlite3_prepare_v2()')
step_loop: do
@ -148,8 +148,9 @@ contains
select case (rc)
case (SQLITE_ROW)
username = sqlite3_column_text(stmt, 0)
password = sqlite3_column_text(stmt, 1)
write(12, '(a)') username, password
x_pos = sqlite3_column_double(stmt, 1)
y_pos = sqlite3_column_double(stmt, 1)
write(12, *) username, x_pos, y_pos
case (SQLITE_DONE)
exit step_loop
@ -162,7 +163,7 @@ contains
rc = sqlite3_finalize(stmt)
call db_error(rc, 'sqlite3_finalize()')
end function db_get_users
end function db_get_logged_in_users
subroutine db_error(code, proc, err_msg)
!! Prints error message.