1 /* Copyright (c) 2004-2016. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "surf_interface.hpp"
7 #include "cpu_interface.hpp"
8 #include "network_interface.hpp"
9 #include "src/surf/PropertyHolder.hpp"
11 #include "StorageImpl.hpp"
14 #ifndef SURF_HOST_INTERFACE_HPP_
15 #define SURF_HOST_INTERFACE_HPP_
24 class XBT_PRIVATE HostModel;
25 class XBT_PRIVATE HostImpl;
26 class XBT_PRIVATE HostAction;
34 XBT_PUBLIC_DATA(simgrid::surf::HostModel*) surf_host_model;
43 /** @ingroup SURF_host_interface
44 * @brief SURF Host model interface class
45 * @details A model is an object which handle the interactions between its Resources and its Actions
47 class HostModel : public Model {
49 HostModel() : Model() {}
51 virtual void ignoreEmptyVmInPmLMM();
52 virtual Action* executeParallelTask(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount,
59 /** @ingroup SURF_host_interface
60 * @brief SURF Host interface class
61 * @details An host represents a machine with a aggregation of a Cpu, a RoutingEdge and a Storage
63 class HostImpl : public simgrid::surf::PropertyHolder {
66 explicit HostImpl(s4u::Host* host);
67 virtual ~HostImpl() = default;
69 /** @brief Return the storage of corresponding mount point */
70 virtual simgrid::surf::StorageImpl* findStorageOnMountList(const char* storage);
72 /** @brief Get the xbt_dynar_t of storages attached to the Host */
73 virtual void getAttachedStorageList(std::vector<const char*>* storages);
78 * @param fd The file descriptor to close
79 * @return The StorageAction corresponding to the closing
81 virtual Action* close(surf_file_t fd);
84 * @brief Unlink a file
85 * @details [long description]
87 * @param fd [description]
88 * @return [description]
90 virtual int unlink(surf_file_t fd);
93 * @brief Get the size in bytes of the file
95 * @param fd The file descriptor to read
96 * @return The size in bytes of the file
98 virtual sg_size_t getSize(surf_file_t fd);
103 * @param fd The file descriptor to read
104 * @param size The size in bytes to read
105 * @return The StorageAction corresponding to the reading
107 virtual Action* read(surf_file_t fd, sg_size_t size);
110 * @brief Write a file
112 * @param fd The file descriptor to write
113 * @param size The size in bytes to write
114 * @return The StorageAction corresponding to the writing
116 virtual Action* write(surf_file_t fd, sg_size_t size);
119 * @brief Get the current position of the file descriptor
121 * @param fd The file descriptor
122 * @return The current position of the file descriptor
124 virtual sg_size_t fileTell(surf_file_t fd);
127 * @brief Set the position indicator associated with the file descriptor to a new position
128 * @details [long description]
130 * @param fd The file descriptor
131 * @param offset The offset from the origin
132 * @param origin Position used as a reference for the offset
133 * - SEEK_SET: beginning of the file
134 * - SEEK_CUR: current position indicator
135 * - SEEK_END: end of the file
136 * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
138 virtual int fileSeek(surf_file_t fd, sg_offset_t offset, int origin);
141 * @brief Move a file to another location on the *same mount point*.
142 * @details [long description]
144 * @param fd The file descriptor
145 * @param fullpath The new full path
146 * @return MSG_OK if successful, MSG_TASK_CANCELED and a warning if the new
147 * full path is not on the same mount point
149 virtual int fileMove(surf_file_t fd, const char* fullpath);
151 std::map<std::string, simgrid::surf::StorageImpl*> storage_;
152 simgrid::s4u::Host* piface_ = nullptr;
154 simgrid::s4u::Host* getHost() { return piface_; }
159 #endif /* SURF_Host_INTERFACE_HPP_ */