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eval: learn serverstart, list, and close().

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Implement functions for spawning, destroying, and listing active
servers, and add server_address_list() to msgpack_rpc/server.c for the
serverlist() vimL function.
This commit is contained in:
Scott Prager
2015-04-01 23:07:41 -04:00
parent 4a66c48d8b
commit 296719428a
3 changed files with 121 additions and 9 deletions
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67
src/nvim/eval.c
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@@ -87,6 +87,7 @@
#include "nvim/os/rstream_defs.h"
#include "nvim/os/time.h"
#include "nvim/msgpack_rpc/channel.h"
#include "nvim/msgpack_rpc/server.h"
#include "nvim/api/private/helpers.h"
#include "nvim/api/vim.h"
#include "nvim/os/dl.h"
@@ -6605,6 +6606,9 @@ static struct fst {
{"searchpair", 3, 7, f_searchpair},
{"searchpairpos", 3, 7, f_searchpairpos},
{"searchpos", 1, 4, f_searchpos},
{"serverlist", 0, 0, f_serverlist},
{"serverstart", 0, 1, f_serverstart},
{"serverstop", 1, 1, f_serverstop},
{"setbufvar", 3, 3, f_setbufvar},
{"setcmdpos", 1, 1, f_setcmdpos},
{"setline", 2, 2, f_setline},
@@ -13292,6 +13296,69 @@ static void f_searchpos(typval_T *argvars, typval_T *rettv)
list_append_number(rettv->vval.v_list, (varnumber_T)n);
}
/// "serverlist()" function
static void f_serverlist(typval_T *argvars, typval_T *rettv)
{
size_t n;
char **addrs = server_address_list(&n);
// Copy addrs into a linked list.
list_T *l = rettv_list_alloc(rettv);
for (size_t i = 0; i < n; i++) {
listitem_T *li = listitem_alloc();
li->li_tv.v_type = VAR_STRING;
li->li_tv.v_lock = 0;
li->li_tv.vval.v_string = (char_u *) addrs[i];
list_append(l, li);
}
xfree(addrs);
}
/// "serverstart()" function
static void f_serverstart(typval_T *argvars, typval_T *rettv)
{
rettv->v_type = VAR_STRING;
rettv->vval.v_string = NULL; // Will hold the address of the new server.
if (check_restricted() || check_secure()) {
return;
}
// If the user supplied an address, use it, otherwise use a temp.
if (argvars[0].v_type != VAR_UNKNOWN) {
if (argvars[0].v_type != VAR_STRING) {
EMSG(_(e_invarg));
return;
} else {
rettv->vval.v_string = vim_strsave(get_tv_string(argvars));
}
} else {
rettv->vval.v_string = vim_tempname();
}
int result = server_start((char *) rettv->vval.v_string);
if (result != 0) {
EMSG2("Failed to start server: %s", uv_strerror(result));
}
}
/// "serverstop()" function
static void f_serverstop(typval_T *argvars, typval_T *rettv)
{
if (check_restricted() || check_secure()) {
return;
}
if (argvars[0].v_type == VAR_UNKNOWN || argvars[0].v_type != VAR_STRING) {
EMSG(_(e_invarg));
return;
}
if (argvars[0].vval.v_string) {
server_stop((char *) argvars[0].vval.v_string);
}
}
/*
* "setbufvar()" function
*/