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74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include <development/protocol.h>
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#include <development/session.h>
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#include <app/event.h>
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#include <tactility/concurrent/task_event_group.h>
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#include <tactility/paths.h>
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#include <cstdio>
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enum class DevelopmentRequestMode {
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Sync,
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App,
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};
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struct DevelopmentRequestContext;
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/**
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* Called when a push received its file completely and closed it.
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* @return an error message, or nullptr on success
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*/
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typedef const char* (*DevelopmentPushCompleteFn)(DevelopmentRequestContext& context, const char* path);
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struct DevelopmentRequestContext {
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DevelopmentSession* session;
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AppEventSubscription* subscription;
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bool* closeRequested;
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/** Scratch space for handlers, DEVELOPMENT_FRAME_PAYLOAD_MAX bytes */
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uint8_t* buffer;
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// A push keeps consuming its DATA frames until DONE, also when it failed, and then reports its result
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bool pushing = false;
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FILE* pushFile = nullptr;
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const char* pushError = nullptr;
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char pushPath[FILE_MAX_PATH_STRING_LENGTH] = {};
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DevelopmentPushCompleteFn pushComplete = nullptr;
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bool pushIsTemporary = false;
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};
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/**
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* Serves requests of @a mode until the client disconnects or the app is asked to close.
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* @param[in,out] close_requested set when an APP_EVENT_CLOSE arrives
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*/
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void development_requests_run(DevelopmentSession* session, TaskEventGroup* event_group, AppEventSubscription* subscription, bool* close_requested, DevelopmentRequestMode mode);
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/**
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* Starts receiving a file into @a path. The result is sent when the client sends DONE.
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* @param[in] error when not nullptr, the push fails with this message
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* @param[in] complete optional, see DevelopmentPushCompleteFn
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* @param[in] temporary removes the file after @a complete, also on success
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*/
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void development_requests_start_push(DevelopmentRequestContext& context, const char* path, const char* error, DevelopmentPushCompleteFn complete, bool temporary);
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/** Copies the frame payload as a null-terminated string. @return false when it's empty, too long or contains a null character */
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bool development_requests_read_string(const DevelopmentFrame& frame, char* out_string, size_t out_size);
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/** Like development_requests_read_string(), but also requires an absolute path */
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bool development_requests_read_path(const DevelopmentFrame& frame, char* out_path);
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bool development_requests_send_ok(DevelopmentRequestContext& context);
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bool development_requests_send_fail(DevelopmentRequestContext& context, const char* message);
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/** Handles APP_EVENT_CLOSE, for handlers that run for a long time */
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void development_requests_poll_events(DevelopmentRequestContext& context);
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/** @return false when the connection must close */
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bool development_sync_handle(DevelopmentRequestContext& context, const DevelopmentFrame& frame);
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/** @return false when the connection must close */
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bool development_app_handle(DevelopmentRequestContext& context, const DevelopmentFrame& frame);
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