Changeset - f8b15ae5255a
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0 3 0
Nathan Brink (binki) - 16 years ago 2009-08-03 23:13:59
ohnobinki@ohnopublishing.net
added partial server support to remoteio
3 files changed with 50 insertions and 4 deletions:
0 comments (0 inline, 0 general)
src/common/libremoteio.h
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@@ -37,7 +37,7 @@ enum remoteio_method
 
struct remoteio_server
 
{
 
  struct remoteio_server *next;
 
  char *name;
 
  char *name; /*< The friendly named passed to remoteio_open() */
 
  char *hostname;
 
  char *username;
 
  enum remoteio_method method;
src/common/remoteio.c
Show inline comments
 
@@ -20,11 +20,15 @@
 

	
 
#include "libremoteio.h"
 
#include "execio.h"
 
#include "asprintf.h"
 

	
 
#include <stdlib.h>
 
#include <stdio.h>
 
#include <string.h>
 

	
 
/* local */
 
struct remoteio_server *remoteio_getserver(const struct remoteio_opts *opts, const char *servername);
 

	
 
int remoteio_config(cfg_t *cfg, struct remoteio_opts *opts)
 
{
 
  size_t numservers;
 
@@ -70,10 +74,35 @@ int remoteio_config(cfg_t *cfg, struct r
 
  return 0;
 
}
 

	
 
int remoteio_open(struct remoteio **rem, struct remoteio_opts *opts, char *servername)
 

	
 

	
 
int remoteio_open(struct remoteio **rem, struct remoteio_opts *opts, const char *servername)
 
{
 
  char *sshargs[] = {opts->ssh_command, servername, "distrend", "-d", (char *)NULL};
 
  char *userhost;
 
  char *sshargs[] = {opts->ssh_command, NULL /* userhost */, "distrend", "-d", (char *)NULL};
 
  
 
  int rtn;
 
  
 
  struct remoteio_server *theserver;
 

	
 
  theserver = remoteio_getserver(opts, servername);
 
  if(!theserver)
 
    {
 
      fprintf(stderr, "%s:%d: Could not find server named ``%s''\n", __FILE__, __LINE__, servername);
 
      return 1;
 
    }
 

	
 
  if(theserver->method != REMOTEIO_METHOD_SSH)
 
    {
 
      fprintf(stderr, "%s:%d: Unsupported remoteio method %d\n", __FILE__, __LINE__, theserver->method);
 
      return 1;
 
    }
 

	
 
  if(theserver->username)
 
    _distren_asprintf(&userhost, "%s@%s", aserver->username, aserver->hostname);
 
  else
 
    userhost = strdup(aserver->hostname);
 
  sshargs[1] = userhost;
 

	
 
  *rem = malloc(sizeof(struct remoteio));
 
  rtn = execio_open( &(*rem)->execio, "ssh", sshargs);
 
@@ -81,8 +110,10 @@ int remoteio_open(struct remoteio **rem,
 
    {
 
      fprintf(stderr, "error opening remoteio channel to server ``%s''" , servername);
 
      free(*rem);
 
      free(userhost);
 
      return 1;
 
    }
 
  free(userhost);
 
  
 
  return 0;
 
}
 
@@ -107,3 +138,18 @@ int remoteio_close(struct remoteio *rem)
 
  
 
  return 0 + rtn;
 
}
 

	
 

	
 

	
 
struct remoteio_server *remoteio_getserver(const struct remoteio_opts *opts, const char *servername)
 
{
 
  struct remoteio_server *aserver;
 
  
 
  for(aserver = opts->servers;
 
      aserver;
 
      aserver = aserver->next)
 
    if(!strcmp(servername, aserver->name))
 
      return aserver;
 

	
 
  return (struct remoteio_server *)NULL;
 
}
src/common/remoteio.h
Show inline comments
 
@@ -37,7 +37,7 @@ struct remoteio {
 

	
 
   @todo should this be asynchronous?
 
 */
 
int remoteio_open(struct remoteio **rem, struct remoteio_opts *opts, char *servername);
 
int remoteio_open(struct remoteio **rem, struct remoteio_opts *opts, const char *servername);
 

	
 
/**
 
   non-blocking I/O.
0 comments (0 inline, 0 general)