105 lines
3 KiB
C
105 lines
3 KiB
C
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/* This file contains the main directory for the server. It waits for a
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* request and then send a response. */
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#include "inc.h"
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#include <minix/vfsif.h>
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#include "const.h"
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#include "glo.h"
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/* Declare some local functions. */
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FORWARD _PROTOTYPE(void init_server, (void) );
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FORWARD _PROTOTYPE(void get_work, (message *m_in) );
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/*===========================================================================*
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* main *
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*===========================================================================*/
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PUBLIC int main(void) {
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int who_e, ind, error;
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message m;
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/* Initialize the server, then go to work. */
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init_server();
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fs_m_in.m_type = FS_READY;
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if (send(FS_PROC_NR, &fs_m_in) != OK) {
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printf("ISO9660FS(%d): Error sending login to VFS\n", SELF_E);
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return -1;
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}
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for (;;) {
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/* Wait for request message. */
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get_work(&fs_m_in);
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error = OK;
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caller_uid = -1; /* To trap errors */
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caller_gid = -1;
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who_e = fs_m_in.m_source; /* source of the request */
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if (who_e != FS_PROC_NR) { /* If the message is not for us just
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* continue */
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continue;
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}
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req_nr = fs_m_in.m_type;
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if (req_nr < VFS_BASE) {
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fs_m_in.m_type += VFS_BASE;
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req_nr = fs_m_in.m_type;
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}
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ind= req_nr-VFS_BASE;
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if (ind < 0 || ind >= NREQS) {
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error = EINVAL;
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}
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else
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error = (*fs_call_vec[ind])(); /* Process the request calling
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* the appropriate function. */
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fs_m_out.m_type = error;
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reply(who_e, &fs_m_out); /* returns the response to VFS */
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}
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}
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/*===========================================================================*
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* init_server *
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*===========================================================================*/
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PRIVATE void init_server(void)
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{
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int i;
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/* Init driver mapping */
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for (i = 0; i < NR_DEVICES; ++i)
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driver_endpoints[i].driver_e = NONE;
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/* SELF_E will contain the id of this process */
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SELF_E = getprocnr();
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/* hash_init(); */ /* Init the table with the ids */
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setenv("TZ","",1); /* Used to calculate the time */
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}
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/*===========================================================================*
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* get_work *
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*===========================================================================*/
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PRIVATE void get_work(m_in)
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message *m_in; /* pointer to message */
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{
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int s; /* receive status */
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if (OK != (s = receive(ANY, m_in))) /* wait for message */
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panic("I9660FS","receive failed", s);
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}
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/*===========================================================================*
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* reply *
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*===========================================================================*/
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PUBLIC void reply(who, m_out)
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int who;
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message *m_out; /* report result */
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{
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if (OK != send(who, m_out)) /* send the message */
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printf("I9660FS(%d) was unable to send reply\n", SELF_E);
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}
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