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caturday work: leak fixes, can now tell dooms to quit, nng util functions

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This commit is contained in:
oxmox 2023-02-18 11:26:47 +01:00
parent 7dbcf4bbb5
commit e26e406f29
4 changed files with 114 additions and 18 deletions
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34
src/doompanning.cc
View file

@ -48,6 +48,7 @@ struct ControllerContext
struct ControllerActions
{
int doomsToSpawn = 0;
bool quitAllDooms = false;
};
void spawn_doom(ControllerContext &ctx)
@ -80,6 +81,24 @@ void spawn_doom(ControllerContext &ctx)
log_info("Spawned doom#%zu, pid=%d", ds.id, ds.pid);
}
void quit_all_dooms(ControllerContext &ctx)
{
// Publish { DP_MT_QuitDoom, doomid }.
{
nng_msg *msg = nullptr;
int res = 0;
if ((res = nng_msg_alloc(&msg, 0)))
dp_nng_fatal("ctrl/alloc", res);
if ((res = nng_msg_append_u16(msg, DP_MT_QuitDoom)))
dp_nng_fatal("ctrl/msg", res);
if ((res = nng_sendmsg(ctx.pub, msg, 0)))
dp_nng_fatal("ctrl/sendmsg", res);
}
}
void perform_actions(ControllerContext &ctx, const ControllerActions &actions)
{
if (actions.doomsToSpawn)
@ -88,6 +107,12 @@ void perform_actions(ControllerContext &ctx, const ControllerActions &actions)
for (int i=0; i<actions.doomsToSpawn; ++i)
spawn_doom(ctx);
}
if (actions.quitAllDooms)
{
log_info("Telling all dooms to quit");
quit_all_dooms(ctx);
}
}
void check_on_dooms(ControllerContext &ctx)
@ -122,10 +147,10 @@ void do_networking(ControllerContext &ctx)
nng_msg *msg = nullptr;
int res = 0;
if ((res = nng_msg_alloc(&msg, sizeof(dmt_t))))
if ((res = nng_msg_alloc(&msg, 0)))
dp_nng_fatal("ctrl/alloc", res);
if ((res = nng_msg_append_u16(msg, DP_MT_DoomReady)))
if ((res = nng_msg_append_u16(msg, DP_MT_RunDoom)))
dp_nng_fatal("ctrl/msg", res);
if ((res = nng_sendmsg(ctx.pub, msg, 0)))
@ -209,11 +234,14 @@ ControllerActions run_ui(ControllerContext &ctx)
ImGui::SliderInt("Layout columns##columns", &ctx.columns, 1, 32, "%d", ImGuiSliderFlags_AlwaysClamp);
ImGui::SliderInt("##dooms", &doomsToSpawn, 1, 16, "%d", ImGuiSliderFlags_AlwaysClamp);
ImGui::SliderInt("##dooms", &doomsToSpawn, 1, 256, "%d", ImGuiSliderFlags_AlwaysClamp | ImGuiSliderFlags_Logarithmic);
aprintf(strbuf, "Spawn %d more doom%s###spawnmore", doomsToSpawn, doomsToSpawn > 1 ? "s" : "");
if (ImGui::SameLine(); ImGui::Button(strbuf.data()))
result.doomsToSpawn = doomsToSpawn;
if (ImGui::Button("Quit all Dooms"))
result.quitAllDooms = true;
ImGui::PopItemWidth();
ImGui::End();

57
src/doomsim.cc
View file

@ -35,7 +35,7 @@ DEF_DOOM_STATE_FUNC(do_doom_ready)
{
nng_msg *msg = NULL;
if ((res = nng_msg_alloc(&msg, sizeof(dmt_t) + sizeof(doomid_t))))
if ((res = nng_msg_alloc(&msg, 0)))
dp_nng_fatal("doom/alloc", res);
if ((res = nng_msg_append_u16(msg, DP_MT_DoomReady)))
@ -51,15 +51,12 @@ DEF_DOOM_STATE_FUNC(do_doom_ready)
// Incoming Message | Next State
// -------------------------------
// DP_MT_RunDoom -> DP_DS_Running
// DP_MT_QuitDoom -> DP_DS_Quit
// DP_MT_QuitDoom -> DP_DS_Quitting
// */none -> DP_DS_Ready
{
nng_msg *msg = NULL;
if ((res = nng_msg_alloc(&msg, sizeof(int) + sizeof(doomid_t))))
dp_nng_fatal("doom/alloc", res);
if ((res = nng_recvmsg(ctx->sub, &msg, 0)))
if ((res = dp_recv_new_msg(ctx->sub, &msg)))
{
if (res != NNG_ETIMEDOUT)
dp_nng_fatal("doom/recvmsg", res);
@ -67,6 +64,9 @@ DEF_DOOM_STATE_FUNC(do_doom_ready)
return 0;
}
auto len = nng_msg_len(msg);
log_trace("do_doom_ready received message of size %zu", len);
dmt_t mt = DP_MT_Invalid;
if ((res = nng_msg_trim_u16(msg, &mt)))
@ -80,7 +80,12 @@ DEF_DOOM_STATE_FUNC(do_doom_ready)
ctx->f = do_doom_running;
}
else if (mt == DP_MT_QuitDoom)
ctx->state = DP_DS_Quit;
// TODO: pop off the doomid and check against ours.
// TODO: add a QuitAllDooms message
ctx->state = DP_DS_Quitting;
// No error on receiving different message types because other dooms
// might get readied or be told to quit.
}
return res;
@ -93,10 +98,35 @@ DEF_DOOM_STATE_FUNC(do_doom_running)
// Non-blocking receive of incoming messages.
// Check if we should quit.
// Handle incoming input.
// Let doom render a new frame.
// Publish the frame.
// Let doom render a new frame
int res = 0;
nng_msg *msg = NULL;
// Publish the frame
// FIXME: this is blocking while testing things
if ((res = dp_recv_new_msg_nonblock(ctx->sub, &msg)))
{
if (res != NNG_ETIMEDOUT && res != NNG_EAGAIN)
dp_nng_fatal("doom/recvmsg", res);
return 0;
}
auto len = nng_msg_len(msg);
log_trace("do_doom_running received message of size %zu", len);
dmt_t mt = DP_MT_Invalid;
if ((res = nng_msg_trim_u16(msg, &mt)))
dp_nng_fatal("doom/msg_trim", res);
nng_msg_free(msg);
if (mt == DP_MT_QuitDoom)
ctx->state = DP_DS_Quitting;
// Otherwise stay in running state
return 0;
}
@ -107,7 +137,7 @@ int doom_loop(DoomContext *ctx)
int res = 0;
while (ctx->state != DP_DS_Quit && res == 0)
while (ctx->state != DP_DS_Quitting && res == 0)
{
DP_DoomState prevState = ctx->state;
res = ctx->f(ctx);
@ -123,6 +153,13 @@ int doom_loop(DoomContext *ctx)
int main(int argc, char *argv[])
{
#ifndef NDEBUG
log_set_level(LOG_TRACE);
#else
log_set_level(LOG_DEBUG);
#endif
log_set_level(LOG_DEBUG); // FIXME: silence!
log_info("doomsim starting");
std::optional<doomid_t> doomId;

34
src/dp_common.c
View file

@ -1,5 +1,6 @@
#include "dp_common.h"
#include <assert.h>
#include <errno.h>
#include <nng/protocol/pubsub0/pub.h>
#include <nng/protocol/pubsub0/sub.h>
@ -49,7 +50,7 @@ nng_socket make_ctrl_sub(const char *url)
if ((res = nng_sub0_open(&sock)))
dp_nng_fatal("make_ctrl_sub/nng_sub0_open", res);
if ((res = nng_socket_set_string(sock, NNG_OPT_SUB_SUBSCRIBE, "")))
if ((res = nng_setopt(sock, NNG_OPT_SUB_SUBSCRIBE, "", 0)))
dp_nng_fatal("make_ctrl_sub/subscribe", res);
if ((res = nng_socket_set_ms(sock, NNG_OPT_RECVTIMEO, 100)))
@ -84,7 +85,7 @@ nng_socket make_doom_sub(const char *url)
if ((res = nng_sub0_open(&sock)))
dp_nng_fatal("make_doom_sub/nng_sub0_open", res);
if ((res = nng_socket_set_string(sock, NNG_OPT_SUB_SUBSCRIBE, "")))
if ((res = nng_setopt(sock, NNG_OPT_SUB_SUBSCRIBE, "", 0)))
dp_nng_fatal("make_doom_sub/subscribe", res);
if ((res = nng_socket_set_ms(sock, NNG_OPT_RECVTIMEO, 100)))
@ -96,12 +97,37 @@ nng_socket make_doom_sub(const char *url)
return sock;
}
const char *const DP_DoomState_Strings[DP_DS_COUNT] =
const char *const DP_DoomState_Strings[] =
{
"DoomState_Unknown",
"DoomState_Ready",
"DoomState_Running",
"DoomState_Quit",
};
_Static_assert(sizeof(DP_DoomState_Strings) / sizeof(DP_DoomState_Strings[0]) == DP_DS_COUNT,
"DP_DoomState enum and strings do not match up");
"DP_DoomState enum and strings do not match up");
int dp_recv_new_msg(nng_socket sock, nng_msg **msg_ptr)
{
return dp_recv_new_msg_flags(sock, msg_ptr, 0);
}
int dp_recv_new_msg_nonblock(nng_socket sock, nng_msg **msg_ptr)
{
return dp_recv_new_msg_flags(sock, msg_ptr, NNG_FLAG_NONBLOCK);
}
int dp_recv_new_msg_flags(nng_socket sock, nng_msg **msg_ptr, int flags)
{
assert(msg_ptr);
int res = 0;
if ((res = nng_recvmsg(sock, msg_ptr, flags)))
{
nng_msg_free(*msg_ptr);
*msg_ptr = NULL;
}
return res;
}

7
src/dp_common.h
View file

@ -42,7 +42,7 @@ typedef enum DP_DoomState
DP_DS_Unknown,
DP_DS_Ready,
DP_DS_Running,
DP_DS_Quit,
DP_DS_Quitting,
DP_DS_COUNT,
} DP_DoomState;
@ -53,6 +53,11 @@ static inline const char *doomstate_str(DP_DoomState ds)
return DP_DoomState_Strings[ds];
}
int dp_recv_new_msg(nng_socket sock, nng_msg **msg_ptr);
int dp_recv_new_msg_nonblock(nng_socket sock, nng_msg **msg_ptr);
int dp_recv_new_msg_flags(nng_socket sock, nng_msg **msg_ptr, int flags);
#ifdef __cplusplus
}
#endif