Got working on raspi

build/build.sh

@@ -1,3 +1,7 @@
 SCRIPT_REL_DIR=$(dirname "${BASH_SOURCE[0]}")
-$SCRIPT_REL_DIR/build_.sh debug osx arm64
+$SCRIPT_REL_DIR/build_.sh debug raspi arm64
 # $SCRIPT_REL_DIR/build_.sh debug wasm intel
+
+# pushd "run_tree/raspi/arm64/debug"
+# clang -o lumenarium /home/pi/dev/Lumenarium/src_v2/platform/raspi/lumenarium_first_raspi.c -lm
+# popd

build/build_.sh

@@ -145,8 +145,8 @@ CompilerFlags_wasm+=" -Wl,--export-all" #
 
 CompilerFlags_linux=""
 
-CompilerFlags_raspi="--target=arm-linux-gnueabihf" #target
-CompilerFlags_raspi+=""
+CompilerFlags_raspi="" # "--target=arm-rpi-linux-gnueabihf" # "--target=arm-linux-gnueabihf" #target
+CompilerFlags_raspi+="-lm" # link with local system math libraries
 
 
 CompilerFlags_DEBUG_win32=""
@@ -158,7 +158,10 @@ CompilerFlags_DEBUG_win32+=" -DDEBUG" #
 CompilerFlags_DEBUG="-O0"
 CompilerFlags_DEBUG+=" -g" #
 CompilerFlags_DEBUG+=" -DDEBUG" #
-CompilerFlags_DEBUG+=" -fsanitize=address" #address sanitizer
+if [ "${PLATFORM}" != "raspi" ]
+then
+  CompilerFlags_DEBUG+=" -fsanitize=address" #address sanitizer
+fi
 
 CompilerFlags_PROD=" -O3"
 

src_v2/core/lumenarium_core_time.h

@@ -1,6 +1,11 @@
 #if !defined(LUMENARIUM_CORE_TIME_H)
 #define LUMENARIUM_CORE_TIME_H
 
+// Ticks is a container that each os will use differently
+// the value of tick should never be accessed outside of 
+// lumenarium_core_time.h or the various os_time implementations.
+// Instead, treat it as an opaque struct and use the values returned
+// from the functions defined below. 
 typedef struct { s64 value; } Ticks;
 
 internal Ticks get_ticks_elapsed(Ticks start, Ticks end);

src_v2/lumenarium_first.c

@@ -14,8 +14,8 @@ lumenarium_init(Editor_Desc* ed_desc)
 {
   App_State* state = 0;
   
-  permanent = bump_allocator_create_reserve(GB(2));
-  global_scratch_ = bump_allocator_create_reserve(GB(4));
+  permanent = bump_allocator_create_reserve(GB(1));
+  global_scratch_ = bump_allocator_create_reserve(GB(1));
   
   run_tests();
   

src_v2/lumenarium_tests.cpp

@@ -192,6 +192,7 @@ run_tests()
   assert(run_tree_path_nullterm.len > 0);
   assert(os_pwd_set(run_tree_path_nullterm));
   
+
   // testing file io
   File_Handle f = os_file_open(lit_str("text.txt"), FileAccess_Read | FileAccess_Write, FileCreate_OpenExisting);
   File_Info i = os_file_get_info(f, scratch.a);

src_v2/platform/linux/lumenarium_linux_file.h

@@ -4,48 +4,190 @@
 File_Async_Job_System 
 os_file_jobs_init()
 {
-  return (File_Async_Job_System){};
+  open_files_init();
+  File_Async_Job_System result = file_async_jobs_init(os_file_async_work_on_job);
+  return result;
 }
 
 File_Handle 
 os_file_open(String path, File_Access_Flags flags_access,  File_Create_Flags flags_create)
 {
-  invalid_code_path;
-  return (File_Handle){};
+  File_Handle result = {};
+
+  s32 flags = 0;
+  if(has_flag_exact(flags_access, (FileAccess_Read | FileAccess_Write)))
+  {
+    add_flag(flags, O_RDWR);
+  }
+  else
+  {
+    if (has_flag(flags_access, FileAccess_Read)) {
+      add_flag(flags, O_RDONLY);
+    } 
+    else if (has_flag(flags_access, FileAccess_Write))
+    {
+      add_flag(flags, O_WRONLY);
+    }
+    else
+    {
+      return result;
+    }
+  }
+
+  switch (flags_create)
+  {
+    case FileCreate_New:          { add_flag(flags, O_CREAT | O_EXCL ); } break;
+    case FileCreate_CreateAlways: { add_flag(flags, O_CREAT); } break;
+    case FileCreate_OpenExisting: { /* add_flag(flags, O_); */ } break;
+    case FileCreate_OpenAlways:   { /* add_flag(flags, O_); */ } break;
+    invalid_default_case;
+  }
+
+  s32 file_handle = open((char*)path.str, flags);
+  if (file_handle >= 0)
+  {
+    result = open_files_put_handle(file_handle, path);
+  }
+  else
+  {
+    s32 errsv = errno;
+    printf("Error: os_file_open - %d\n", errsv);
+    printf("\tAttempting to open: %.*s\n", str_varg(path));
+    printf("\tFlags: %u %u\n", flags_access, flags_create);
+  }
+  return result;
 }
 
 void        
 os_file_close(File_Handle file_handle)
 {
-  invalid_code_path;
+  s32 os_handle = open_files_get_handle(file_handle);
+  if (close(os_handle) != -1)
+  {
+    open_files_rem_file(file_handle);
+  }
+  else
+  {
+    s32 errsv = errno;
+    printf("Error: os_file_close - %d\n", errsv);
+  }
 }
 
 File_Info   
 os_file_get_info(File_Handle file_handle, Allocator* allocator)
 {
-  invalid_code_path;
-  return (File_Info){};
+  File_Info info = {};
+  s32 os_handle = open_files_get_handle(file_handle);
+  if (os_handle != -1)
+  {
+    String path = open_files_get_path(file_handle);
+
+    struct stat os_info = {};
+    if (fstat(os_handle, &os_info) != -1)
+    {
+      info.path = string_copy(path, allocator);
+      info.path_abs = allocator_alloc_string(allocator, PATH_MAX);
+      if (realpath((char*)path.str, (char*)info.path_abs.str) != 0)
+      {
+        info.path_abs.len = c_str_len((char*)info.path_abs.str);
+      }
+      else
+      {
+        s32 errsv = errno;
+        printf("Error - os_file_get_info - %d - realpath\n", errsv);
+      }
+      info.size = (u64)os_info.st_size;
+      if (S_ISDIR(os_info.st_mode))
+      {
+        add_flag(info.flags, FileFlag_IsDir);
+      }
+      else if (!S_ISREG(os_info.st_mode))
+      {
+        printf("Error - os_file_get_info - stat-ing a handle that is not a directory or a file\n");
+      }
+    }
+    else
+    {
+      s32 errsv = errno;
+      printf("Error: os_file_get_info - %d\n", errsv);
+    }
+  }
+  return info;
 }
 
 Data        
 os_file_read_all(File_Handle file_handle, Allocator* allocator)
 {
-  invalid_code_path;
-  return (Data){};
+  Data result = {};
+  s32 os_handle = open_files_get_handle(file_handle);
+  if (os_handle == -1) return result;
+
+  // get file size
+  s32 offset = lseek(os_handle, 0, SEEK_END);
+  if (offset == -1) 
+  {
+    s32 errsv = errno;
+    printf("Error: os_file_read_all:lseek - %d\n", errsv);
+    return result;
+  }
+  lseek(os_handle, 0, SEEK_SET);
+
+  result.base = allocator_alloc(allocator, offset + 1);
+  result.size = offset + 1;
+
+  s32 bytes_read = read(os_handle, result.base, result.size);
+  if (bytes_read == (result.size - 1))
+  {
+    result.base[bytes_read] = 0; // null term
+  }
+  else if (bytes_read >= 0)
+  {
+    printf("Error: os_file_read:read - whole file not read.\n");
+  }
+  else if (bytes_read == -1)
+  {
+    s32 errsv = errno;
+    printf("Error: os_file_read_all:read - %d\n", errsv);
+  }
+  
+  return result;
+}
+
+bool
+os_file_write_(s32 os_handle, Data file_data)
+{
+  s32 size_written = write(os_handle, file_data.base, file_data.size);
+  if (size_written > 0 && size_written != file_data.size)
+  {
+    printf("Error: os_file_write_all:write - whole file not written\n");
+    return true;
+  }
+  else if (size_written < 0)
+  {
+    linux_err_print("write");
+    return false;
+  }
+
+  return true;
 }
 
 bool        
 os_file_write_all(File_Handle file_handle, Data file_data)
 {
-  invalid_code_path;
-  return false;
+  s32 os_handle = open_files_get_handle(file_handle);
+  if (os_handle == -1) return false;
+
+  lseek(os_handle, 0, SEEK_SET);
+  return os_file_write_(os_handle, file_data);
 }
 
 bool
 os_file_write(File_Handle file_handle, Data file_data)
 {
-  invalid_code_path;
-  return false;
+  s32 os_handle = open_files_get_handle(file_handle);
+  if (os_handle == -1) return false;
+
+  return os_file_write_(os_handle, file_data);
 }
 
 

src_v2/platform/linux/lumenarium_linux_network.h

@@ -4,8 +4,19 @@
 Socket_Handle 
 os_socket_create(s32 domain, s32 type, s32 protocol)
 {
-  invalid_code_path;
-  return (Socket_Handle){0};
+  Socket_Handle result = {};
+  OS_SOCKET_TYPE sock = socket(domain, type, protocol);
+  if (sock == -1) {
+    perror("Error: os_socket_create\n");
+    return result;
+  }
+
+  result = open_sockets_put(sock);
+  if (result.value == 0)
+  {
+    fprintf(stderr, "Error: os_socket_create = not enough room in open_sockets\n");
+  }
+  return result;
 }
 
 bool          
@@ -53,14 +64,31 @@ os_socket_send()
 s32           
 os_socket_send_to(Socket_Handle handle, u32 addr, u32 port, Data data, s32 flags)
 {
-  invalid_code_path;
+  OS_SOCKET_TYPE sock = open_sockets_get(handle);
+
+  struct sockaddr_in dst = {
+    .sin_family = AF_INET,
+    .sin_port = hton_u16(port),
+    .sin_addr.s_addr = hton_u32(addr),
+  };
+  struct sockaddr* dst_ptr = (struct sockaddr*)&dst;
+  s32 len_sent = sendto(sock, data.base, data.size, flags, dst_ptr, sizeof(struct sockaddr_in));
+  if (len_sent == -1)
+  {
+    perror("Error: os_socket_send_to\n");
     return 0;
+  }
+  return len_sent;
 }
 
 s32           
 os_socket_set_opt(Socket_Handle handle, int level, int option_name, u8* option_value, s32 option_len)
 {
-  invalid_code_path;
+  OS_SOCKET_TYPE sock = open_sockets_get(handle);
+  s32 err = setsockopt(sock, level, option_name, (void*)option_value, (socklen_t)option_len);
+  if (err) {
+    fprintf(stderr, "Error: setsockopt - %d\n\targs: %d %d %.*s\n", err, level, option_name, option_len, (char*)option_value);
+  }
   return 0;
 }
 

src_v2/platform/linux/lumenarium_linux_time.h

@@ -1,18 +1,26 @@
 #ifndef LUMENARIUM_LINUX_TIME_H
 #define LUMENARIUM_LINUX_TIME_H 1
 
+#define NANOS_PER_SECOND 1000000000
 Ticks 
 os_get_ticks()
 {
-  invalid_code_path;
-  return (Ticks){};
+  struct timespec ts = {};
+  s32 r = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
+  assert(r == 0);
+  s64 nanos = (s64)ts.tv_sec * NANOS_PER_SECOND;
+  nanos += (s64)ts.tv_nsec;
+
+  Ticks result = {
+    .value = nanos
+  };
+  return result;
 }
 
 r64   
 os_get_ticks_per_second()
 {
-  invalid_code_path;
-  return 0;
+  return NANOS_PER_SECOND;
 }
 
 #endif // LUMENARIUM_LINUX_TIME_H

src_v2/platform/raspi/lumenarium_first_raspi.c

@@ -18,6 +18,11 @@
 
 #include <errno.h>
 #include <linux/limits.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <time.h>
 
 #define linux_err_print(sub_proc) linux_err_print_((char*)__FUNCTION__, (char*)(sub_proc), errno)
 void 
@@ -38,11 +43,36 @@ linux_err_print_(char* proc, char* sub_proc, s32 errsv)
 #include "../linux/lumenarium_linux_time.h"
 #include "../linux/lumenarium_linux_network.h"
 
+
 int main (int arg_count, char** args)
 {
-  // temp
-  global_scratch_ = bump_allocator_create_reserve(MB(256));
-  run_tests();
+  // INIT APPLICATION
+  Editor_Desc ed_desc = {
+  };
+  App_State* state = lumenarium_init(&ed_desc);
 
+  bool running = true;
+  r64 target_seconds_per_frame = 1.0 / 30.0;
+  Ticks ticks_start = os_get_ticks();
+  while (has_flag(state->flags, AppState_IsRunning))
+  {
+    lumenarium_frame_prepare(state);
+
+    lumenarium_frame(state);
+    lumenarium_env_validate();
+
+    Ticks ticks_end = os_get_ticks();
+    r64 seconds_elapsed = get_seconds_elapsed(ticks_start, ticks_end, os_get_ticks_per_second());
+    while (seconds_elapsed < target_seconds_per_frame)
+    {
+      u32 sleep_time = (u32)(1000.0f * (target_seconds_per_frame - seconds_elapsed));
+      usleep(sleep_time);
+      ticks_end = os_get_ticks();
+      seconds_elapsed = get_seconds_elapsed(ticks_start, ticks_end, os_get_ticks_per_second());
+    }
+    ticks_start = ticks_end;
+  }
+
+  lumenarium_cleanup(state);
   return 0;
 }