CN113766006A - Real-time file transmission method and system based on FTP (file transfer protocol) - Google Patents
Real-time file transmission method and system based on FTP (file transfer protocol) Download PDFInfo
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- CN113766006A CN113766006A CN202110864371.4A CN202110864371A CN113766006A CN 113766006 A CN113766006 A CN 113766006A CN 202110864371 A CN202110864371 A CN 202110864371A CN 113766006 A CN113766006 A CN 113766006A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012546 transfer Methods 0.000 title claims description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
Abstract
The invention provides a real-time file transmission method and a system based on an FTP protocol, which relate to the technical field of file transmission and comprise the following steps: starting a multithreading connection FTP server, which comprises a main thread and a plurality of sub threads; the main thread monitors a file directory in real time and inquires files under the file directory as required; judging whether the inquired file is transmitted or not; if the judgment result is negative, acquiring the attribute information of the file, packaging the attribute information as an object, and putting the object into a sharing queue; and the sub-threads acquire the object from the shared queue and execute the transmission task. The FTP server is connected through multiple threads, one thread is used as a main thread, and directory files of the FTP server and local directory files are monitored in real time; and then, files are acquired to the sharing queue through the main thread, and the files are uploaded and downloaded between the directory files of the FTP server and the local directory files in real time and rapidly in a multithread file transmission mode.
Description
Technical Field
The invention relates to the technical field of file transmission, in particular to a real-time file transmission method and a real-time file transmission system based on an FTP protocol.
Background
In the process of business handling in the telecommunication industry, files need to be transmitted between a server and the local in real time; therefore, files in the file directory need to be searched in real time, and after files meeting the conditions are searched, the files are transmitted to the server or the local.
The file transmission efficiency of the current service handling system is low, and the low file transmission efficiency cannot meet the service handling requirements along with the increase of services, so that the problems of service backlog, delay and the like are easily caused.
Disclosure of Invention
Aiming at the problems, the invention provides a real-time file transmission method and a real-time file transmission system based on an FTP protocol, which realize the real-time file transmission of a designated directory by connecting an FTP server in a multithreading way.
In order to achieve the above object, the present invention provides an emergency multitasking short message group sending system, which comprises:
starting a multithreading connection FTP server, which comprises a main thread and a plurality of sub threads;
the main thread monitors a file directory in real time and inquires files under the file directory as required;
judging whether the inquired file is transmitted or not;
if the judgment result is negative, acquiring the attribute information of the file, packaging the attribute information as an object, and putting the object into a sharing queue;
and the sub-thread acquires the object from the shared queue and executes a transmission task.
As a further improvement of the present invention, the main thread monitors the file directory in real time, and queries the files in the file directory as required; the method comprises the following steps:
the main thread monitors a file directory and a local file directory of the FTP server in real time;
inquiring a file directory of the FTP server according to downloading requirements;
and inquiring the local file directory according to uploading requirements.
As a further improvement of the present invention, the attribute information of the file includes: a source file directory, a source file name, a target server, and a target directory.
As a further improvement of the present invention, the sub-thread acquires the object from the shared queue and executes a transmission task; the method comprises the following steps:
each branch thread acquires different objects from the shared queue respectively;
analyzing the attribute information encapsulated in the object;
and transmitting the file from the source end to the target end according to the attribute information.
As a further improvement of the invention, if an exception occurs in the sub-thread executing transmission task process, the object is placed back into the shared queue again.
The invention also provides a system for real-time file transmission based on the FTP protocol, which comprises: the device comprises a thread connection module, a monitoring module, a transmission condition judgment module, a packaging module and a file transmission module;
the thread connection module is configured to:
starting a multithreading connection FTP server, which comprises a main thread and a plurality of sub threads;
the monitoring module is used for:
the main thread monitors a file directory in real time and inquires files under the file directory as required;
the transmission condition judgment module is used for:
judging whether the inquired file is transmitted or not;
the encapsulation module is used for:
if the judgment result is negative, acquiring the attribute information of the file, packaging the attribute information as an object, and putting the object into a sharing queue;
the file transmission module is used for:
and the sub-thread acquires the object from the shared queue and executes a transmission task.
As a further improvement of the present invention, the main thread monitors the file directory in real time, and queries the files in the file directory as required; the method comprises the following steps:
the main thread monitors a file directory and a local file directory of the FTP server in real time;
inquiring a file directory of the FTP server according to downloading requirements;
and inquiring the local file directory according to uploading requirements.
As a further improvement of the present invention, the attribute information of the file includes: a source file directory, a source file name, a target server, and a target directory.
As a further improvement of the present invention, the sub-thread acquires the object from the shared queue and executes a transmission task; the method comprises the following steps:
each branch thread acquires different objects from the shared queue respectively;
analyzing the attribute information encapsulated in the object;
and transmitting the file from the source end to the target end according to the attribute information.
As a further improvement of the invention, if an exception occurs in the sub-thread executing transmission task process, the object is placed back into the shared queue again.
Compared with the prior art, the invention has the beneficial effects that:
the FTP server is connected through multiple threads, one thread is used as a main thread, and directory files of the FTP server and local directory files are monitored in real time; and then, files are acquired to the sharing queue through the main thread, and the files are uploaded and downloaded between the directory files of the FTP server and the local directory files in real time and rapidly in a multithread file transmission mode.
In the scheme of the invention, operation and maintenance personnel can automatically set the specific uploading and downloading tasks, the specific FTP server and the thread number for connecting the FTP, further start a program, and respectively scan the local directory files and the directory files of the FTP server by the uploading and downloading tasks set by the main thread branch office to finish the file transmission work of uploading and downloading.
Drawings
FIG. 1 is a flowchart illustrating a real-time file transfer method based on FTP protocol according to an embodiment of the present invention;
fig. 2 is a system diagram of a real-time file transfer method based on the FTP protocol according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
example (b):
as shown in fig. 1, a real-time file transfer method based on the FTP protocol provided by the present invention includes:
s1, starting a multithreading connection FTP server, which comprises a main thread and a plurality of sub threads;
s2, the main thread monitors the file directory in real time and inquires files under the file directory as required;
wherein, include:
the main thread monitors a file directory and a local file directory of the FTP server in real time;
inquiring a file directory of the FTP server according to downloading requirements;
and inquiring the local file directory according to uploading requirements.
S3, judging whether the inquired file is transmitted or not;
s4, if the judgment result is negative, acquiring the attribute information of the file, packaging the attribute information as an object, and putting the object into a sharing queue;
wherein the content of the first and second substances,
the attribute information of the file includes: a source file directory, a source file name, a target server, and a target directory.
And S5, the sub-thread acquires the object from the shared queue and executes the transmission task.
Wherein, include:
each branch process respectively acquires different objects from the shared queue;
analyzing the encapsulated attribute information in the object;
and transmitting the file from the source end to the target end according to the attribute information.
Further, in the above-mentioned case,
and transmitting the file from the source file directory to the target directory according to the source file directory and the target directory in the attribute information.
In the invention, if an exception occurs in the process of executing the transmission task by the branch thread, the object is placed back to the shared queue again.
As shown in fig. 2, the present invention further provides a real-time file transfer system based on the FTP protocol, including: the device comprises a thread connection module, a monitoring module, a transmission condition judgment module, a packaging module and a file transmission module;
a thread connection module to:
starting a multithreading connection FTP server, which comprises a main thread and a plurality of sub threads;
a monitoring module to:
the main thread monitors a file directory in real time and inquires files under the file directory as required;
wherein, include:
the main thread monitors a file directory and a local file directory of the FTP server in real time;
inquiring a file directory of the FTP server according to downloading requirements;
and inquiring the local file directory according to uploading requirements.
A transmission condition judgment module for:
judging whether the inquired file is transmitted or not;
an encapsulation module to:
if the judgment result is negative, acquiring the attribute information of the file, packaging the attribute information as an object, and putting the object into a sharing queue;
wherein the content of the first and second substances,
the attribute information of the file includes: a source file directory, a source file name, a target server, and a target directory.
A file transfer module to:
and the sub-threads acquire the object from the shared queue and execute the transmission task.
Wherein, include:
each branch process respectively acquires different objects from the shared queue;
analyzing the encapsulated attribute information in the object;
and transmitting the file from the source end to the target end according to the attribute information.
Further, the file is transmitted from the source file directory to the target directory according to the source file directory and the target directory in the attribute information.
In the invention, if an exception occurs in the process of executing the transmission task by the branch thread, the object is placed back to the shared queue again.
The invention has the advantages that:
(1) connecting the FTP servers through multiple threads, and using one thread as a main thread to realize real-time monitoring of directory files of the FTP servers and local directory files; and then, files are acquired to the sharing queue through the main thread, and the files are uploaded and downloaded between the directory files of the FTP server and the local directory files in real time and rapidly in a multithread file transmission mode.
(2) The operation and maintenance personnel can automatically set specific uploading and downloading tasks, specific FTP servers and the number of threads for connecting the FTP, the program automatically initializes the connection of the FTP servers according to the set information, and then starts the program, and the uploading and downloading tasks set by the main thread branch office respectively scan local directory files and directory files of the FTP servers to finish the file transmission work of uploading and downloading.
(3) The branch process checks whether the shared queue has an object in real time, if so, the object is taken out from the shared queue, and the file transmission task is executed according to the information in the object until the shared queue is empty
(4) The main thread regularly checks whether the task needs to be stopped, restarted and the like, so that the front end can conveniently control and manage the task.
(5) Monitoring a directory file of the FTP server in real time, and downloading the file to a local directory from the FTP server when the file meeting the downloading requirement exists under the directory file; and monitoring local directory files in real time, and uploading the files to a designated directory of a designated FTP server when the files meet uploading conditions, wherein the files can be a plurality of FTP servers.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A real-time file transmission method based on FTP protocol is characterized by comprising the following steps:
starting a multithreading connection FTP server, which comprises a main thread and a plurality of sub threads;
the main thread monitors a file directory in real time and inquires files under the file directory as required;
judging whether the inquired file is transmitted or not;
if the judgment result is negative, acquiring the attribute information of the file, packaging the attribute information as an object, and putting the object into a sharing queue;
and the sub-thread acquires the object from the shared queue and executes a transmission task.
2. The real-time file transfer method according to claim 1, wherein: the main thread monitors a file directory in real time and inquires files under the file directory as required; the method comprises the following steps:
the main thread monitors a file directory and a local file directory of the FTP server in real time;
inquiring a file directory of the FTP server according to downloading requirements;
and inquiring the local file directory according to uploading requirements.
3. The real-time file transfer method according to claim 1, wherein: the attribute information of the file includes: a source file directory, a source file name, a target server, and a target directory.
4. The real-time file transmission method according to claim 1, wherein the sub-thread acquires the object from the shared queue and executes a transmission task; the method comprises the following steps:
each branch thread acquires different objects from the shared queue respectively;
analyzing the attribute information encapsulated in the object;
and transmitting the file from the source end to the target end according to the attribute information.
5. The real-time file transfer method according to claim 1, wherein: and if the sub-thread is abnormal in the process of executing the transmission task, the object is placed back into the shared queue again.
6. A system for implementing the real-time file transmission method according to any one of claims 1 to 5, comprising: the device comprises a thread connection module, a monitoring module, a transmission condition judgment module, a packaging module and a file transmission module;
the thread connection module is configured to:
starting a multithreading connection FTP server, which comprises a main thread and a plurality of sub threads;
the monitoring module is used for:
the main thread monitors a file directory in real time and inquires files under the file directory as required;
the transmission condition judgment module is used for:
judging whether the inquired file is transmitted or not;
the encapsulation module is used for:
if the judgment result is negative, acquiring the attribute information of the file, packaging the attribute information as an object, and putting the object into a sharing queue;
the file transmission module is used for:
and the sub-thread acquires the object from the shared queue and executes a transmission task.
7. The system of claim 6, wherein: the main thread monitors a file directory in real time and inquires files under the file directory as required; the method comprises the following steps:
the main thread monitors a file directory and a local file directory of the FTP server in real time;
inquiring a file directory of the FTP server according to downloading requirements;
and inquiring the local file directory according to uploading requirements.
8. The system of claim 6, wherein: the attribute information of the file includes: a source file directory, a source file name, a target server, and a target directory.
9. The system of claim 6, wherein: the sub-thread acquires the object from the shared queue and executes a transmission task; the method comprises the following steps:
each branch thread acquires different objects from the shared queue respectively;
analyzing the attribute information encapsulated in the object;
and transmitting the file from the source end to the target end according to the attribute information.
10. The system of claim 6, wherein: and if the sub-thread is abnormal in the process of executing the transmission task, the object is placed back into the shared queue again.
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