httpd_socket_send() function

A low level API to send data on a given socket This internally calls the default send function, or the function registered by httpd_sess_set_send_override().

Syntax

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Summary

Declaration

Definition

from esp_http_server.h:1456

int httpd_socket_send(httpd_handle_t hd, int sockfd, const char *buf, size_t buf_len, int flags);

Implemented in httpd_txrx.c:726

Arguments

Argument

Description

server instance

sockfd

session socket file descriptor

buf

buffer with bytes to send

buf_len

data size

flags

flags for the send() function

Return value

- Bytes : The number of bytes sent successfully - HTTPD_SOCK_ERR_INVALID : Invalid arguments - HTTPD_SOCK_ERR_TIMEOUT : Timeout/interrupted while calling socket send() - HTTPD_SOCK_ERR_FAIL : Unrecoverable error while calling socket send()

Notes

This API is not recommended to be used in any request handler. Use this only for advanced use cases, wherein some asynchronous data is to be sent over a socket.

Examples

httpd_socket_send() is referenced by 1 libraries and example projects:

References

from examples

httpd_socket_send() function

Syntax

Arguments

Return value

Notes

Examples

References

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