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channels: implement sockopen() to connect to socket

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Helped-By: oni-link <knil.ino@gmail.com>
This commit is contained in:
Björn Linse
2017-04-26 13:10:21 +02:00
parent 9cc185dc6d
commit 6a75938758
7 changed files with 217 additions and 2 deletions
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48
src/nvim/eval.c
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@@ -15058,6 +15058,54 @@ static void f_simplify(typval_T *argvars, typval_T *rettv, FunPtr fptr)
rettv->v_type = VAR_STRING;
}
/// "sockconnect()" function
static void f_sockconnect(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{
if (argvars[0].v_type != VAR_STRING || argvars[1].v_type != VAR_STRING) {
EMSG(_(e_invarg));
return;
}
if (argvars[2].v_type != VAR_DICT && argvars[2].v_type != VAR_UNKNOWN) {
// Wrong argument types
EMSG2(_(e_invarg2), "expected dictionary");
return;
}
const char *mode = tv_get_string(&argvars[0]);
const char *address = tv_get_string(&argvars[1]);
bool tcp;
if (strcmp(mode, "tcp") == 0) {
tcp = true;
} else if (strcmp(mode, "pipe") == 0) {
tcp = false;
} else {
EMSG2(_(e_invarg2), "invalid mode");
return;
}
bool rpc = false;
if (argvars[2].v_type == VAR_DICT) {
dict_T *opts = argvars[2].vval.v_dict;
rpc = tv_dict_get_number(opts, "rpc") != 0;
}
if (!rpc) {
EMSG2(_(e_invarg2), "rpc option must be true");
return;
}
const char *error = NULL;
uint64_t id = channel_connect(tcp, address, 50, &error);
if (error) {
EMSG2(_("connection failed: %s"), error);
}
rettv->vval.v_number = (varnumber_T)id;
rettv->v_type = VAR_NUMBER;
}
/// struct used in the array that's given to qsort()
typedef struct {
listitem_T *item;