doylet/DN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add dn_seshc helper lib

Browse Source
This commit is contained in:
doylet
2026-07-15 18:00:14 +10:00
parent fe150b3f36
commit ec5f5e927b
5 changed files with 155 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Single-Header/dn_single_header.cpp
+1 -1
View File
@@ -1,4 +1,4 @@
// Generated by the DN single header generator 2026-07-15 09:59:54
// Generated by the DN single header generator 2026-07-15 17:58:16
// DN: Single header generator commented out => #if defined(_CLANGD)
// #define DN_WITH_TESTS 1
Single-Header/dn_single_header.h
+2 -1
View File
@@ -1,4 +1,4 @@
// Generated by the DN single header generator 2026-07-15 09:59:54
// Generated by the DN single header generator 2026-07-15 17:58:16
#if !defined(DN_H)
#define DN_H
@@ -614,6 +614,7 @@
#define DN_Min(a, b) (((a) < (b)) ? (a) : (b))
#define DN_Clamp(val, lo, hi) DN_Max(DN_Min(val, hi), lo)
#define DN_Squared(val) ((val) * (val))
#define DN_ArgShift(ptr, size) ((size) ? ((size)--, *(ptr)++) : 0)
#define DN_Swap(a, b) \
do { \
Source/Extra/dn_seshc.cpp
+115
View File
@@ -0,0 +1,115 @@
#include "dn_seshc.h"
DN_Str8 DN_SH_CLIOptionsStr8()
{
DN_Str8 result = DN_Str8Lit(
"SESHC OPTIONS (note all options must be set to activate Seshc):\n"
" --seshc-exe-path <path> Path to the Seshc EXE file to invoke for sending messages\n"
" --seshc-account-secret <secret> Specify the secret of the Session account to send a message\n"
" as (see --help on the Seshc EXE for more info)\n"
" --seshc-seed-node <url> URL to the Session seed node for determining the nodes to\n"
" send the message to\n"
" --seshc-display-name <name> Display name to send the message as\n"
" --seshc-recipient-pkey <name> Recipient to send the message as (must be 0x05 prefixed, 0x\n"
" is optional)"
);
return result;
}
DN_SHCLIEatArgResult DN_SH_CLIEatArg(DN_SHCLIArgs *args, char const **arg_ptr, int arg_count)
{
DN_SHCLIEatArgResult result = {};
result.arg_ptr = arg_ptr;
result.arg_count = arg_count;
DN_Str8 arg = {};
if (arg_count)
arg = DN_Str8FromCStr8(*result.arg_ptr);
// NOTE: Try handling the argument if we recognise it
{
if (!result.eaten && DN_Str8EqInsensitive(arg, DN_Str8Lit("--seshc-exe-path"))) {
(void)DN_ArgShift(result.arg_ptr, result.arg_count);
result.eaten = true;
args->exe_path = DN_Str8FromCStr8(DN_ArgShift(result.arg_ptr, result.arg_count));
if (DN_OS_PathInfo(args->exe_path).type != DN_OSPathInfoType_File) {
result.error_msg = DN_Str8Lit("Seshc executable path does not point to a file");
result.error_arg = args->exe_path;
args->exe_path = {};
}
}
if (!result.eaten && DN_Str8EqInsensitive(arg, DN_Str8Lit("--seshc-account-secret"))) {
(void)DN_ArgShift(result.arg_ptr, result.arg_count);
result.eaten = true;
args->account_secret = DN_Str8FromCStr8(DN_ArgShift(result.arg_ptr, result.arg_count));
}
if (!result.eaten && DN_Str8EqInsensitive(arg, DN_Str8Lit("--seshc-seed-node"))) {
(void)DN_ArgShift(result.arg_ptr, result.arg_count);
result.eaten = true;
args->seed_node_url = DN_Str8FromCStr8(DN_ArgShift(result.arg_ptr, result.arg_count));
}
if (!result.eaten && DN_Str8EqInsensitive(arg, DN_Str8Lit("--seshc-display-name"))) {
(void)DN_ArgShift(result.arg_ptr, result.arg_count);
result.eaten = true;
args->display_name = DN_Str8FromCStr8(DN_ArgShift(result.arg_ptr, result.arg_count));
}
if (!result.eaten && DN_Str8EqInsensitive(arg, DN_Str8Lit("--seshc-recipient-pkey"))) {
(void)DN_ArgShift(result.arg_ptr, result.arg_count);
result.eaten = true;
args->recipient_pkey = DN_Str8FromCStr8(DN_ArgShift(result.arg_ptr, result.arg_count));
DN_Str8 check = DN_Str8TrimHexPrefix(args->recipient_pkey);
if (!DN_Str8StartsWithSensitive(check, DN_Str8Lit("05"))) {
result.error_msg = DN_Str8Lit("Seshc recipient public key does not have a 05 prefix");
result.error_arg = args->recipient_pkey;
args->recipient_pkey = {};
}
}
}
if (args->seed_node_url.count && args->account_secret.count && args->exe_path.count && args->display_name.count && args->recipient_pkey.count)
args->valid = true;
return result;
}
bool DN_SH_CLIArgsSendDMFmt(DN_SHCLIArgs *cli_args, DN_Str8 sesh_pkey_hex, char const *fmt, ...)
{
DN_TCScratch scratch = DN_TCScratchBeginArena(nullptr, 0);
va_list args;
va_start(args, fmt);
DN_Str8 msg = DN_Str8FromFmtVArena(&scratch.arena, fmt, args);
va_end(args);
DN_Str8 cmds[] = {
cli_args->exe_path,
DN_Str8Lit("--account-secret"),
cli_args->account_secret,
DN_Str8Lit("--seed-node-url"),
cli_args->seed_node_url,
DN_Str8Lit("--display-name"),
DN_Str8FromFmtArena(&scratch.arena, "\"%.*s\"", DN_Str8PrintFmt(cli_args->display_name)),
DN_Str8Lit("send"),
sesh_pkey_hex,
msg,
};
DN_Str8Slice cmd_line = {};
cmd_line.data = cmds;
cmd_line.count = DN_ArrayCountU(cmds);
DN_OSExecArgs exec_args = {};
exec_args.flags |= DN_OSExecFlags_SaveOutput;
DN_OSExecResult exec = DN_OS_Exec(cmd_line, &exec_args, &scratch.arena, nullptr);
DN_LogInfoF("OUT (exit code:%zu, os: %zu): %.*s", exec.exit_code, exec.os_error_code, DN_Str8PrintFmt(exec.stdout_text));
DN_LogInfoF("ERR: %.*s", DN_Str8PrintFmt(exec.stderr_text));
DN_TCScratchEnd(&scratch);
bool result = exec.os_error_code == 0 && exec.exit_code == 0;
return result;
}
Source/Extra/dn_seshc.h
+36
View File
@@ -0,0 +1,36 @@
#if !defined(DN_SESHC_H)
#define DN_SESHC_H
#if defined(_CLANGD)
#define DN_WITH_OS 1
#include "../dn.h"
#endif
struct DN_SHCLIArgs
{
bool valid;
DN_Str8 exe_path;
DN_Str8 account_secret;
DN_Str8 seed_node_url;
DN_Str8 display_name;
DN_Str8 recipient_pkey;
};
struct DN_SHCLIEatArgResult
{
bool eaten;
DN_Str8 error_msg; // Parsing error message. String is immutably stored in the data-segment w/ program lifetime.
DN_Str8 error_arg; // Argument that caused the parsing error
char const **arg_ptr; // Next argument pointer that that the caller should proceed from
DN_USize arg_count; // Next argument count that that the caller should assume
};
// NOTE: Seshc
// Overview
// Helper library that provides some useful APIs for programatically calling the Seshc CLI
// executable to send messages from your C/C++ application.
DN_Str8 DN_SH_CLIOptionsStr8 ();
DN_SHCLIEatArgResult DN_SH_CLIEatArg (DN_SHCLIArgs *args, char const **arg_ptr, int arg_count);
bool DN_SH_CLIArgsSendDMFmt(DN_SHCLIArgs *cli_args, DN_Str8 sesh_pkey_hex, char const *fmt, ...);
#endif // #if !defined(DN_SESHC_H)
Source/dn.h
+1
View File
@@ -612,6 +612,7 @@
#define DN_Min(a, b) (((a) < (b)) ? (a) : (b))
#define DN_Clamp(val, lo, hi) DN_Max(DN_Min(val, hi), lo)
#define DN_Squared(val) ((val) * (val))
#define DN_ArgShift(ptr, size) ((size) ? ((size)--, *(ptr)++) : 0)
#define DN_Swap(a, b) \
do { \