47,14 → 47,12 |
#include <atomic.h> |
#include "vfs.h" |
|
#define dprintf(...) printf(__VA_ARGS__) |
#define NAME "vfs" |
|
static void vfs_connection(ipc_callid_t iid, ipc_call_t *icall) |
{ |
bool keep_on_going = 1; |
bool keep_on_going = true; |
|
printf("Connection opened from %p\n", icall->in_phone_hash); |
|
/* |
* The connection was opened via the IPC_CONNECT_ME_TO call. |
* This call needs to be answered. |
72,20 → 70,38 |
* connection later. |
*/ |
while (keep_on_going) { |
ipc_callid_t callid; |
ipc_call_t call; |
ipc_callid_t callid = async_get_call(&call); |
|
callid = async_get_call(&call); |
fs_handle_t fs_handle; |
int phone; |
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printf("Received call, method=%d\n", IPC_GET_METHOD(call)); |
|
switch (IPC_GET_METHOD(call)) { |
case IPC_M_PHONE_HUNGUP: |
keep_on_going = false; |
break; |
case IPC_M_CONNECT_ME_TO: |
/* |
* Connect the client file system to another one. |
*/ |
/* FIXME: |
* Prevent ordinary clients from connecting to file |
* system servers directly. This should be solved by |
* applying some security mechanisms. |
*/ |
fs_handle = IPC_GET_ARG1(call); |
phone = vfs_grab_phone(fs_handle); |
(void) ipc_forward_fast(callid, phone, 0, 0, 0, |
IPC_FF_NONE); |
vfs_release_phone(phone); |
break; |
case VFS_REGISTER: |
vfs_register(callid, &call); |
keep_on_going = false; |
/* |
* Keep the connection open so that a file system can |
* later ask us to connect it to another file system. |
* This is necessary to support non-root mounts. |
*/ |
break; |
case VFS_MOUNT: |
vfs_mount(callid, &call); |
124,15 → 140,12 |
} |
|
/* TODO: cleanup after the client */ |
|
} |
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int main(int argc, char **argv) |
{ |
ipcarg_t phonead; |
printf(NAME ": HelenOS VFS server\n"); |
|
printf("VFS: HelenOS VFS server\n"); |
|
/* |
* Initialize the list of registered file systems. |
*/ |
142,7 → 155,7 |
* Initialize VFS node hash table. |
*/ |
if (!vfs_nodes_init()) { |
printf("Failed to initialize the VFS node hash table.\n"); |
printf(NAME ": Failed to initialize VFS node hash table\n"); |
return ENOMEM; |
} |
|
152,12 → 165,13 |
list_initialize(&plb_head); |
plb = as_get_mappable_page(PLB_SIZE); |
if (!plb) { |
printf("Cannot allocate a mappable piece of address space\n"); |
printf(NAME ": Cannot allocate a mappable piece of address space\n"); |
return ENOMEM; |
} |
|
if (as_area_create(plb, PLB_SIZE, AS_AREA_READ | AS_AREA_WRITE | |
AS_AREA_CACHEABLE) != plb) { |
printf("Cannot create address space area.\n"); |
printf(NAME ": Cannot create address space area\n"); |
return ENOMEM; |
} |
memset(plb, 0, PLB_SIZE); |
170,11 → 184,13 |
/* |
* Register at the naming service. |
*/ |
ipcarg_t phonead; |
ipc_connect_to_me(PHONE_NS, SERVICE_VFS, 0, 0, &phonead); |
|
/* |
* Start accepting connections. |
*/ |
printf(NAME ": Accepting connections\n"); |
async_manager(); |
return 0; |
} |