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Copy pathruntime.cpp
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333 lines (285 loc) · 9.87 KB
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#include "runtime.h"
#include <algorithm>
#include <cctype>
#include <chrono>
#include <cstdlib>
#include <filesystem>
#include <mutex>
#include <regex>
#include <sstream>
#include "common/common.h"
#include "common/log.h"
namespace fs = std::filesystem;
static std::string lower_ascii(std::string value) {
std::transform(value.begin(), value.end(), value.begin(), [](unsigned char c) {
return static_cast<char>(std::tolower(c));
});
return value;
}
static bool is_supported_model_ext(const fs::path& p) {
auto ext = lower_ascii(p.extension().string());
return ext == ".gguf" || ext == ".pt" || ext == ".pth" || ext == ".safetensors";
}
static const std::string k_base64_chars =
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"
"0123456789+/";
std::string base64_encode(const std::vector<uint8_t>& bytes) {
std::string ret;
int val = 0;
int valb = -6;
for (uint8_t c : bytes) {
val = (val << 8) + c;
valb += 8;
while (valb >= 0) {
ret.push_back(k_base64_chars[(val >> valb) & 0x3F]);
valb -= 6;
}
}
if (valb > -6) {
ret.push_back(k_base64_chars[((val << 8) >> (valb + 8)) & 0x3F]);
}
while (ret.size() % 4) {
ret.push_back('=');
}
return ret;
}
std::string normalize_output_format(std::string output_format) {
std::transform(output_format.begin(), output_format.end(), output_format.begin(),
[](unsigned char c) { return static_cast<char>(std::tolower(c)); });
return output_format;
}
std::vector<std::string> supported_img_output_formats(bool allow_webp) {
std::vector<std::string> formats = {"png", "jpeg"};
#ifdef SD_USE_WEBP
if (allow_webp) {
formats.push_back("webp");
}
#else
(void)allow_webp;
#endif
return formats;
}
std::vector<std::string> supported_vid_output_formats() {
std::vector<std::string> formats;
#ifdef SD_USE_WEBM
formats.push_back("webm");
#endif
#ifdef SD_USE_WEBP
formats.push_back("webp");
#endif
formats.push_back("avi");
return formats;
}
static std::string valid_vid_output_formats_message() {
const std::vector<std::string> formats = supported_vid_output_formats();
std::string message = "invalid output_format, must be one of [";
for (size_t i = 0; i < formats.size(); ++i) {
if (i > 0) {
message += ", ";
}
message += formats[i];
}
message += "]";
return message;
}
bool assign_output_options(ImgGenJobRequest& request,
std::string output_format,
int output_compression,
bool allow_webp,
std::string& error_message) {
request.output_format = normalize_output_format(std::move(output_format));
request.output_compression = std::clamp(output_compression, 0, 100);
const std::vector<std::string> valid_formats = supported_img_output_formats(allow_webp);
const bool valid_format = std::find(valid_formats.begin(),
valid_formats.end(),
request.output_format) != valid_formats.end();
if (!valid_format) {
error_message = "invalid output_format, must be one of [";
for (size_t i = 0; i < valid_formats.size(); ++i) {
if (i > 0) {
error_message += ", ";
}
error_message += valid_formats[i];
}
error_message += "]";
return false;
}
return true;
}
bool assign_output_options(VidGenJobRequest& request,
std::string output_format,
int output_compression,
std::string& error_message) {
request.output_format = normalize_output_format(std::move(output_format));
request.output_compression = std::clamp(output_compression, 0, 100);
if (request.output_format == "avi") {
return true;
}
if (request.output_format == "webm") {
#ifdef SD_USE_WEBM
return true;
#else
error_message = valid_vid_output_formats_message();
return false;
#endif
}
if (request.output_format == "webp") {
#ifdef SD_USE_WEBP
return true;
#else
error_message = valid_vid_output_formats_message();
return false;
#endif
}
error_message = valid_vid_output_formats_message();
return false;
}
std::string video_mime_type(const std::string& output_format) {
if (output_format == "webm") {
return "video/webm";
}
if (output_format == "webp") {
return "image/webp";
}
return "video/x-msvideo";
}
bool runtime_supports_generation_mode(const ServerRuntime& runtime, SDMode mode) {
if (mode == VID_GEN) {
return sd_ctx_supports_video_generation(runtime.sd_ctx);
}
if (mode == IMG_GEN) {
return sd_ctx_supports_image_generation(runtime.sd_ctx);
}
return true;
}
std::string unsupported_generation_mode_error(SDMode mode) {
if (mode == VID_GEN) {
return "loaded model does not support vid_gen";
}
if (mode == IMG_GEN) {
return "loaded model does not support img_gen";
}
return "loaded model does not support requested mode";
}
ArgOptions SDSvrParams::get_options() {
ArgOptions options;
options.string_options = {
{"-l", "--listen-ip", "server listen ip (default: 127.0.0.1)", 0, &listen_ip},
{"", "--serve-html-path", "path to HTML file to serve at root (optional)", 0, &serve_html_path},
};
options.int_options = {
{"", "--listen-port", "server listen port (default: 1234)", &listen_port},
};
options.bool_options = {
{"-v", "--verbose", "print extra info", true, &verbose},
{"", "--color", "colors the logging tags according to level", true, &color},
};
auto on_help_arg = [&](int, const char**, int, bool& valid) {
normal_exit = true;
valid = true;
return -1;
};
options.manual_options = {
{"-h", "--help", "show this help message and exit", on_help_arg},
};
return options;
}
bool SDSvrParams::validate() {
if (listen_ip.empty()) {
LOG_ERROR("error: the following arguments are required: listen_ip");
return false;
}
if (listen_port < 0 || listen_port > 65535) {
LOG_ERROR("error: listen_port should be in the range [0, 65535]");
return false;
}
if (!serve_html_path.empty() && !fs::exists(serve_html_path)) {
LOG_ERROR("error: serve_html_path file does not exist: %s", serve_html_path.c_str());
return false;
}
return true;
}
bool SDSvrParams::resolve_and_validate() {
if (!validate()) {
return false;
}
return true;
}
std::string SDSvrParams::to_string() const {
std::ostringstream oss;
oss << "SDSvrParams {\n"
<< " listen_ip: " << listen_ip << ",\n"
<< " listen_port: \"" << listen_port << "\",\n"
<< " serve_html_path: \"" << serve_html_path << "\",\n"
<< "}";
return oss.str();
}
void refresh_lora_cache(ServerRuntime& rt) {
std::vector<LoraEntry> new_cache;
fs::path lora_dir = rt.ctx_params->lora_model_dir;
if (fs::exists(lora_dir) && fs::is_directory(lora_dir)) {
for (auto& entry : fs::recursive_directory_iterator(lora_dir, fs::directory_options::skip_permission_denied)) {
if (!entry.is_regular_file()) {
continue;
}
const fs::path& p = entry.path();
if (!is_supported_model_ext(p)) {
continue;
}
LoraEntry lora_entry;
lora_entry.name = p.stem().u8string();
lora_entry.fullpath = p.u8string();
std::string rel = p.lexically_relative(lora_dir).u8string();
std::replace(rel.begin(), rel.end(), '\\', '/');
lora_entry.path = rel;
new_cache.push_back(std::move(lora_entry));
}
}
std::sort(new_cache.begin(), new_cache.end(), [](const LoraEntry& a, const LoraEntry& b) {
return a.path < b.path;
});
{
std::lock_guard<std::mutex> lock(*rt.lora_mutex);
*rt.lora_cache = std::move(new_cache);
}
}
std::string get_lora_full_path(ServerRuntime& rt, const std::string& path) {
std::lock_guard<std::mutex> lock(*rt.lora_mutex);
auto it = std::find_if(rt.lora_cache->begin(), rt.lora_cache->end(),
[&](const LoraEntry& entry) { return entry.path == path; });
return it != rt.lora_cache->end() ? it->fullpath : "";
}
void refresh_upscaler_cache(ServerRuntime& rt) {
std::vector<UpscalerEntry> new_cache;
fs::path upscaler_dir = rt.ctx_params->hires_upscalers_dir;
if (fs::exists(upscaler_dir) && fs::is_directory(upscaler_dir)) {
for (auto& entry : fs::directory_iterator(upscaler_dir)) {
if (!entry.is_regular_file()) {
continue;
}
const fs::path& p = entry.path();
if (!is_supported_model_ext(p)) {
continue;
}
UpscalerEntry upscaler_entry;
upscaler_entry.name = p.stem().u8string();
upscaler_entry.fullpath = fs::absolute(p).lexically_normal().u8string();
upscaler_entry.model_name = "ESRGAN_4x";
upscaler_entry.path = p.filename().u8string();
new_cache.push_back(std::move(upscaler_entry));
}
}
std::sort(new_cache.begin(), new_cache.end(), [](const UpscalerEntry& a, const UpscalerEntry& b) {
return a.name < b.name;
});
{
std::lock_guard<std::mutex> lock(*rt.upscaler_mutex);
*rt.upscaler_cache = std::move(new_cache);
}
}
int64_t unix_timestamp_now() {
return std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::system_clock::now().time_since_epoch())
.count();
}