MultiCurl | Retrieve multiple pages
kandi X-RAY | MultiCurl Summary
kandi X-RAY | MultiCurl Summary
Retrieve multiple pages simultaneously
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- Add a URL to the pool
- Execute a multi select command .
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MultiCurl Key Features
MultiCurl Examples and Code Snippets
Community Discussions
Trending Discussions on MultiCurl
QUESTION
I spent a few hours trying to figure out how to implement curl_multi_perform() in a general sort of way. This example may help out others.
It basically takes a struct object and places all curl output into that as a character string. The programmer can then take that character string and do whatever processing they like. If anyone has any improvements, etc I'd be more than happy to see them.
Here's a header file called "multicurl.h" with a struct and function prototypes.
...ANSWER
Answered 2021-Dec-21 at 00:11Here is an improved variation of the above example that should be more thread friendly using the suggestions provided.
A header file called "multicurl.h"
QUESTION
When using cURL to take character streams off of the internet, when is the datastream converted from a multibyte datatype to a single byte character array?
I wrote a program here, which appears to work using ASCII in the callback function.
However, I wrote another program that uses UTF-8 with wchar_t datatypes, which also appears to work. The datastream does not appear to differentiate between the two datatypes, even though a wchar_t type is 4 bytes on my machine and a char is 1 byte.
I guess that there is some sort of type conversion going on transparent to this program, but I am not aware of it (I think that in UTF-8 ASCII characters still take 1 byte of memory, but when a program uses wchar_t datatypes the system pads regular ascii characters with zeros converting them to 4 bytes, but this was not something the programmer implemented...).
...ANSWER
Answered 2022-Jan-10 at 17:58As you would expect, it doesn't work. libcurl has no way to know the function expects a wchar_t*
when it should expect a char*
If you inspect MyOutputStruct1.memory[0]
, you'll find it doesn't contain what it should. For example, when requesting https://stackoverflow.com, it contains 0x4f44213c. This is obviously wrong since that's far outside the range of valid Code Points. This is actually the first four Code Points () jammed into one
wchar_t
(in LE order).
It kind of appears to work because of a second bug. When printing a wide string, you need to use %ls
, not %s
.
QUESTION
Hello Everyone
I want send and receive more than 50 api requests at the same time using cURL. Becase each one request takes 5 second and If I use the sync type It will takes 250s. So I try to get all request in 5~10s but not working correctly.
Is it possible to receive all request one time?
Thanks.
...ANSWER
Answered 2021-May-10 at 10:26You can use Multi-threading (Threadpool) to do that or use The curl_multi_*
series of functions to make concurrent access possible.
However you used multi function but maybe in a wrong way. Read the following article and see different examples to run concurrent access.
Using curl multi-threading to simulate the concurrency of the detailed
QUESTION
I am working with an IOT system and trying to improve our data ingestion. Currently we are iterating over an array of URLs with different ports and sending one curl request at a time. I would like to use multicurl to get around this bottleneck but I am getting only getting errors as a response. Here's my code (IP addresses redacted)
...ANSWER
Answered 2021-Mar-11 at 08:19I found an external issue to my code, but am posting the final, working code here for future reference.
Multi-curl does not like iterating over the port number so I had to bake the port into the curl URL and iterate over an array of URLs.
The $content
is not required for the multicurl to work, but it is to get data from the URLs I'm calling.
QUESTION
I have a mysql table "blackrock" (it has over 14.000 rows).
...ANSWER
Answered 2020-Sep-25 at 21:27Note: CURLOPT_SSL_VERIFYHOST
and CURLOPT_SSL_VERIFYPEER
are set to 0, for just api verification. These can make your server insecure. Please follow this link to get proper solution.
Now that being said,
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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No vulnerabilities reported
Install MultiCurl
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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