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Multi-query support

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This commit is contained in:
bill
2022-08-09 22:00:46 +08:00
parent 70f29e028d
commit 5699638520
12 changed files with 184 additions and 61 deletions
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server/server.cpp
+15 -6
View File
@@ -85,16 +85,25 @@ int dll_main(int argc, char** argv, Context* cxt){
while(cfg->running){
if (cfg->new_query) {
void *handle = 0;
if (cfg->backend_type == BACKEND_MonetDB){
if (cxt->alt_server == 0)
cxt->alt_server = new Server(cxt);
Server* server = reinterpret_cast<Server*>(cxt->alt_server);
if(n_recv > 0){
if (cfg->backend_type == BACKEND_AQuery || cfg->has_dll) {
handle = dlopen("./dll.so", RTLD_LAZY);
}
for(int i = 0; i < n_recv; ++i)
{
server->exec(n_recvd[i]);
printf("Exec Q%d: %s\n", i, n_recvd[i]);
if (n_recvd[i][0] == 'Q'){
server->exec(n_recvd[i] + 1);
printf("Exec Q%d: %s\n", i, n_recvd[i]);
}
else if (n_recvd[i][0] == 'P' && handle) {
code_snippet c = reinterpret_cast<code_snippet>(dlsym(handle, n_recvd[i]+1));
c(cxt);
}
}
n_recv = 0;
}
@@ -108,12 +117,12 @@ int dll_main(int argc, char** argv, Context* cxt){
}
// puts(cfg->has_dll ? "true" : "false");
if (cfg->backend_type == BACKEND_AQuery || cfg->has_dll) {
void* handle = dlopen("./dll.so", RTLD_LAZY);
if (cfg->backend_type == BACKEND_AQuery) {
handle = dlopen("./dll.so", RTLD_LAZY);
code_snippet c = reinterpret_cast<code_snippet>(dlsym(handle, "dllmain"));
c(cxt);
dlclose(handle);
}
if (handle) dlclose(handle);
cfg->new_query = 0;
}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
server/types.h
+4 -3
View File
@@ -220,12 +220,13 @@ constexpr size_t sum_type(size_t a[], size_t sz) {
ret += a[i];
return ret;
}
template<class Types, class ...T1> constexpr size_t sum_type() {
template<class Types, class ...T1>
constexpr size_t sum_type() {
size_t t[] = {std::is_same_v<Types, T1> ...};
return sum_type(t, sizeof...(T1));
}
template<class ...T1, class ...Types> constexpr
size_t count_type(std::tuple<Types...>* ts) {
template<class ...T1, class ...Types>
constexpr size_t count_type(std::tuple<Types...>* ts) {
size_t t[] = {sum_type<Types, T1...>() ...};
return sum_type(t, sizeof...(Types));
}