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add initial (and buggy) unix socket based client/server code

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This commit is contained in:
Maxime Coste 2012-10-23 22:56:24 +02:00
parent b9eb939e05
commit 0735c69a92
1 changed files with 154 additions and 55 deletions
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167
src/main.cc
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@ -20,6 +20,7 @@
#include "string.hh" #include "string.hh"
#include "file.hh" #include "file.hh"
#include "color_registry.hh" #include "color_registry.hh"
#include "remote.hh"
#if defined(__APPLE__) #if defined(__APPLE__)
#include <mach-o/dyld.h> #include <mach-o/dyld.h>
@ -27,6 +28,8 @@
#include <unordered_map> #include <unordered_map>
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/wait.h> #include <sys/wait.h>
using namespace Kakoune; using namespace Kakoune;
@ -450,6 +453,45 @@ std::unordered_map<Key, std::function<void (Context& context)>> keymap =
void run_unit_tests(); void run_unit_tests();
void register_env_vars()
{
ShellManager& shell_manager = ShellManager::instance();
shell_manager.register_env_var("bufname",
[](const String& name, const Context& context)
{ return context.buffer().name(); });
shell_manager.register_env_var("selection",
[](const String& name, const Context& context)
{ return context.editor().selections_content().back(); });
shell_manager.register_env_var("runtime",
[](const String& name, const Context& context)
{ return runtime_directory(); });
shell_manager.register_env_var("opt_.+",
[](const String& name, const Context& context)
{ return context.option_manager()[name.substr(4_byte)].as_string(); });
shell_manager.register_env_var("reg_.+",
[](const String& name, const Context& context)
{ return RegisterManager::instance()[name[4]].values(context)[0]; });
}
void register_registers()
{
RegisterManager& register_manager = RegisterManager::instance();
register_manager.register_dynamic_register('%', [](const Context& context) { return std::vector<String>(1, context.buffer().name()); });
register_manager.register_dynamic_register('.', [](const Context& context) { return context.editor().selections_content(); });
for (size_t i = 0; i < 10; ++i)
{
register_manager.register_dynamic_register('0'+i,
[i](const Context& context) {
std::vector<String> result;
for (auto& sel_and_cap : context.editor().selections())
result.emplace_back(i < sel_and_cap.captures.size() ? sel_and_cap.captures[i] : "");
return result;
});
}
}
struct Client struct Client
{ {
std::unique_ptr<UserInterface> ui; std::unique_ptr<UserInterface> ui;
@ -499,48 +541,104 @@ Client create_local_client(const String& file)
return client; return client;
} }
void register_env_vars() std::vector<Client> clients;
{
ShellManager& shell_manager = ShellManager::instance();
shell_manager.register_env_var("bufname", void setup_server()
[](const String& name, const Context& context) {
{ return context.buffer().name(); }); auto filename = "/tmp/kak-" + int_to_str(getpid());
shell_manager.register_env_var("selection",
[](const String& name, const Context& context) int listen_sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
{ return context.editor().selections_content().back(); }); sockaddr_un addr;
shell_manager.register_env_var("runtime", addr.sun_family = AF_UNIX;
[](const String& name, const Context& context) strncpy(addr.sun_path, filename.c_str(), sizeof(addr.sun_path) - 1);
{ return runtime_directory(); });
shell_manager.register_env_var("opt_.+", if (bind(listen_sock, (sockaddr*) &addr, sizeof(sockaddr_un)) == -1)
[](const String& name, const Context& context) throw runtime_error("unable to bind listen socket " + filename);
{ return context.option_manager()[name.substr(4_byte)].as_string(); });
shell_manager.register_env_var("reg_.+", if (listen(listen_sock, 4) == -1)
[](const String& name, const Context& context) throw runtime_error("unable to listen on socket " + filename);
{ return RegisterManager::instance()[name[4]].values(context)[0]; });
auto accepter = [=](int socket) {
sockaddr_un client_addr;
socklen_t client_addr_len = sizeof(sockaddr_un);
int sock = accept(socket, (sockaddr*) &client_addr, &client_addr_len);
if (sock == -1)
throw runtime_error("accept failed");
auto& buffer = *BufferManager::instance().begin();
RemoteUI* ui = new RemoteUI{sock};
ui->set_dimensions(DisplayCoord(24, 80));
Client client{ui, *buffer->get_or_create_window()};
InputHandler* input_handler = client.input_handler.get();
Context* context = client.context.get();
EventManager::instance().watch(sock, [=](int) {
try
{
input_handler->handle_next_input(*context);
} }
catch (Kakoune::runtime_error& error)
void register_registers()
{ {
RegisterManager& register_manager = RegisterManager::instance(); ui->print_status(error.description(), -1);
}
register_manager.register_dynamic_register('%', [](const Context& context) { return std::vector<String>(1, context.buffer().name()); });
register_manager.register_dynamic_register('.', [](const Context& context) { return context.editor().selections_content(); });
for (size_t i = 0; i < 10; ++i)
{
register_manager.register_dynamic_register('0'+i,
[i](const Context& context) {
std::vector<String> result;
for (auto& sel_and_cap : context.editor().selections())
result.emplace_back(i < sel_and_cap.captures.size() ? sel_and_cap.captures[i] : "");
return result;
}); });
clients.push_back(std::move(client));
};
EventManager::instance().watch(listen_sock, accepter);
} }
RemoteClient* connect_to(const String& pid)
{
auto filename = "/tmp/kak-" + pid;
int sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
sockaddr_un addr;
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, filename.c_str(), sizeof(addr.sun_path) - 1);
if (connect(sock, (sockaddr*)&addr, sizeof(addr.sun_path)) == -1)
throw runtime_error("connect to " + filename + " failed");
NCursesUI* ui = new NCursesUI{};
RemoteClient* remote_client = new RemoteClient{sock, ui};
EventManager::instance().watch(sock, [=](int) {
try
{
remote_client->process_next_message();
}
catch (Kakoune::runtime_error& error)
{
ui->print_status(error.description(), -1);
}
});
EventManager::instance().watch(0, [=](int) {
try
{
remote_client->write_next_key();
}
catch (Kakoune::runtime_error& error)
{
ui->print_status(error.description(), -1);
}
});
return remote_client;
} }
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{
try
{ {
EventManager event_manager; EventManager event_manager;
if (argc == 3 and String("-c") == argv[1])
{
std::unique_ptr<RemoteClient> client(connect_to(argv[2]));
while(not quit_requested)
event_manager.handle_next_events();
return 0;
}
GlobalOptionManager option_manager; GlobalOptionManager option_manager;
GlobalHookManager hook_manager; GlobalHookManager hook_manager;
ShellManager shell_manager; ShellManager shell_manager;
@ -560,11 +658,12 @@ int main(int argc, char* argv[])
register_filters(); register_filters();
write_debug("*** This is the debug buffer, where debug info will be written ***\n"); write_debug("*** This is the debug buffer, where debug info will be written ***\n");
write_debug("pid: " + int_to_str(getpid()) + "\n");
write_debug("utf-8 test: é á ï"); write_debug("utf-8 test: é á ï");
setup_server();
Client local_client; Client local_client;
try
{
try try
{ {
Context initialisation_context; Context initialisation_context;